diff --git a/include/common/tmsg.h b/include/common/tmsg.h
index ca2446bdf3..df1f0ed275 100644
--- a/include/common/tmsg.h
+++ b/include/common/tmsg.h
@@ -168,7 +168,7 @@ typedef struct {
   int32_t vgId;
   char*   dbFName;
   char*   tbName;
-} SBuildTableMetaInput;
+} SBuildTableInput;
 
 typedef struct {
   char    db[TSDB_DB_FNAME_LEN];
@@ -444,6 +444,7 @@ typedef struct {
   char*   comment;
   char*   pAst1;
   char*   pAst2;
+  SArray* pFuncs;
 } SMCreateStbReq;
 
 int32_t tSerializeSMCreateStbReq(void* buf, int32_t bufLen, SMCreateStbReq* pReq);
@@ -667,6 +668,41 @@ int32_t tSerializeSQueryTableRsp(void* buf, int32_t bufLen, SQueryTableRsp* pRsp
 
 int32_t tDeserializeSQueryTableRsp(void* buf, int32_t bufLen, SQueryTableRsp* pRsp);
 
+typedef struct {
+  SMsgHead header;
+  char     dbFName[TSDB_DB_FNAME_LEN];
+  char     tbName[TSDB_TABLE_NAME_LEN];
+} STableCfgReq;
+
+typedef struct {
+  char     tbName[TSDB_TABLE_NAME_LEN];
+  char     stbName[TSDB_TABLE_NAME_LEN];
+  char     dbFName[TSDB_DB_FNAME_LEN];
+  int32_t  numOfTags;
+  int32_t  numOfColumns;
+  int8_t   tableType;
+  int64_t  delay1;
+  int64_t  delay2;
+  int64_t  watermark1;
+  int64_t  watermark2;
+  int32_t  ttl;
+  SArray*  pFuncs;
+  int32_t  commentLen;
+  char*    pComment;
+  SSchema* pSchemas;
+  int32_t  tagsLen;
+  char*    pTags;
+} STableCfg;
+
+typedef STableCfg STableCfgRsp;
+
+int32_t tSerializeSTableCfgReq(void *buf, int32_t bufLen, STableCfgReq *pReq);
+int32_t tDeserializeSTableCfgReq(void *buf, int32_t bufLen, STableCfgReq *pReq);
+
+int32_t tSerializeSTableCfgRsp(void *buf, int32_t bufLen, STableCfgRsp *pRsp);
+int32_t tDeserializeSTableCfgRsp(void *buf, int32_t bufLen, STableCfgRsp *pRsp);
+void tFreeSTableCfgRsp(STableCfgRsp *pRsp);
+
 typedef struct {
   char    db[TSDB_DB_FNAME_LEN];
   int32_t numOfVgroups;
diff --git a/include/common/tmsgdef.h b/include/common/tmsgdef.h
index a3205e4d2c..90fd4a65ae 100644
--- a/include/common/tmsgdef.h
+++ b/include/common/tmsgdef.h
@@ -132,6 +132,7 @@ enum {
   TD_DEF_MSG_TYPE(TDMT_MND_DROP_INDEX, "drop-index", NULL, NULL)
   TD_DEF_MSG_TYPE(TDMT_MND_GET_INDEX, "get-index", NULL, NULL)
   TD_DEF_MSG_TYPE(TDMT_MND_GET_TABLE_INDEX, "get-table-index", NULL, NULL)
+  TD_DEF_MSG_TYPE(TDMT_MND_TABLE_CFG, "table-cfg", NULL, NULL)
   TD_DEF_MSG_TYPE(TDMT_MND_CREATE_TOPIC, "create-topic", SMCreateTopicReq, SMCreateTopicRsp)
   TD_DEF_MSG_TYPE(TDMT_MND_ALTER_TOPIC, "alter-topic", NULL, NULL)
   TD_DEF_MSG_TYPE(TDMT_MND_DROP_TOPIC, "drop-topic", NULL, NULL)
@@ -172,6 +173,7 @@ enum {
   TD_DEF_MSG_TYPE(TDMT_VND_UPDATE_TAG_VAL, "update-tag-val", NULL, NULL)
   TD_DEF_MSG_TYPE(TDMT_VND_TABLE_META, "vnode-table-meta", NULL, NULL)
   TD_DEF_MSG_TYPE(TDMT_VND_TABLES_META, "vnode-tables-meta", NULL, NULL)
+  TD_DEF_MSG_TYPE(TDMT_VND_TABLE_CFG, "vnode-table-cfg", NULL, NULL)
   TD_DEF_MSG_TYPE(TDMT_VND_CREATE_STB, "vnode-create-stb", SVCreateStbReq, NULL)
   TD_DEF_MSG_TYPE(TDMT_VND_ALTER_STB, "vnode-alter-stb", NULL, NULL)
   TD_DEF_MSG_TYPE(TDMT_VND_DROP_STB, "vnode-drop-stb", SVDropStbReq, NULL)
diff --git a/include/common/tname.h b/include/common/tname.h
index 28f97d1028..c691c2f7b2 100644
--- a/include/common/tname.h
+++ b/include/common/tname.h
@@ -63,6 +63,8 @@ int32_t tNameSetAcctId(SName* dst, int32_t acctId);
 
 bool tNameDBNameEqual(SName* left, SName* right);
 
+bool tNameTbNameEqual(SName* left, SName* right);
+
 typedef struct {
   // input
   SArray*     tags;           // element is SSmlKv
diff --git a/include/libs/catalog/catalog.h b/include/libs/catalog/catalog.h
index 0c720138bd..20f4765190 100644
--- a/include/libs/catalog/catalog.h
+++ b/include/libs/catalog/catalog.h
@@ -68,6 +68,7 @@ typedef struct SCatalogReq {
   SArray* pIndex;         // element is index name
   SArray* pUser;          // element is SUserAuthInfo
   SArray* pTableIndex;    // element is SNAME
+  SArray* pTableCfg;      // element is SNAME
   bool    qNodeRequired;  // valid qnode
   bool    dNodeRequired;  // valid dnode
   bool    forceUpdate;
@@ -89,6 +90,7 @@ typedef struct SMetaData {
   SArray* pIndex;       // pRes = SIndexInfo*
   SArray* pUser;        // pRes = bool*
   SArray* pQnodeList;   // pRes = SArray<SQueryNodeLoad>*
+  SArray* pTableCfg;    // pRes = STableCfg*
   SArray* pDnodeList;   // pRes = SArray<SEpSet>*
 } SMetaData;
 
@@ -284,6 +286,8 @@ int32_t catalogGetIndexMeta(SCatalog* pCtg, SRequestConnInfo* pConn, const char*
 
 int32_t catalogGetTableIndex(SCatalog* pCtg, SRequestConnInfo* pConn, const SName* pTableName, SArray** pRes);
 
+int32_t catalogRefreshGetTableCfg(SCatalog* pCtg, SRequestConnInfo *pConn, const SName* pTableName, STableCfg** pCfg);
+
 int32_t catalogUpdateTableIndex(SCatalog* pCtg, STableIndexRsp *pRsp);
 
 int32_t catalogGetUdfInfo(SCatalog* pCtg, SRequestConnInfo* pConn, const char* funcName, SFuncInfo* pInfo);
diff --git a/include/libs/nodes/cmdnodes.h b/include/libs/nodes/cmdnodes.h
index 4578087164..10c3f313a2 100644
--- a/include/libs/nodes/cmdnodes.h
+++ b/include/libs/nodes/cmdnodes.h
@@ -28,6 +28,15 @@ extern "C" {
 #define DESCRIBE_RESULT_TYPE_LEN  (20 + VARSTR_HEADER_SIZE)
 #define DESCRIBE_RESULT_NOTE_LEN  (8 + VARSTR_HEADER_SIZE)
 
+#define SHOW_CREATE_DB_RESULT_COLS      2
+#define SHOW_CREATE_DB_RESULT_FIELD1_LEN (TSDB_DB_NAME_LEN + VARSTR_HEADER_SIZE)
+#define SHOW_CREATE_DB_RESULT_FIELD2_LEN (TSDB_MAX_BINARY_LEN + VARSTR_HEADER_SIZE)
+
+#define SHOW_CREATE_TB_RESULT_COLS      2
+#define SHOW_CREATE_TB_RESULT_FIELD1_LEN (TSDB_TABLE_NAME_LEN + VARSTR_HEADER_SIZE)
+#define SHOW_CREATE_TB_RESULT_FIELD2_LEN (TSDB_MAX_BINARY_LEN + VARSTR_HEADER_SIZE)
+
+
 #define PRIVILEGE_TYPE_MASK(n) (1 << n)
 
 #define PRIVILEGE_TYPE_ALL   PRIVILEGE_TYPE_MASK(0)
@@ -221,7 +230,7 @@ typedef struct SShowCreateTableStmt {
   ENodeType   type;
   char        dbName[TSDB_DB_NAME_LEN];
   char        tableName[TSDB_TABLE_NAME_LEN];
-  STableMeta* pMeta;
+  void*       pCfg; // STableCfg
 } SShowCreateTableStmt;
 
 typedef struct SShowTableDistributedStmt {
diff --git a/include/libs/qcom/query.h b/include/libs/qcom/query.h
index d562d07d77..26f2758033 100644
--- a/include/libs/qcom/query.h
+++ b/include/libs/qcom/query.h
@@ -207,6 +207,10 @@ char*   jobTaskStatusStr(int32_t status);
 
 SSchema createSchema(int8_t type, int32_t bytes, col_id_t colId, const char* name);
 void destroyQueryExecRes(SQueryExecRes* pRes);
+int32_t dataConverToStr(char *str, int type, void *buf, int32_t bufSize, int32_t *len);
+char* parseTagDatatoJson(void* p);
+int32_t cloneTableMeta(STableMeta* pSrc, STableMeta** pDst);
+int32_t cloneDbVgInfo(SDBVgInfo* pSrc, SDBVgInfo** pDst);
 
 extern int32_t (*queryBuildMsg[TDMT_MAX])(void *input, char **msg, int32_t msgSize, int32_t *msgLen, void*(*mallocFp)(int32_t));
 extern int32_t (*queryProcessMsgRsp[TDMT_MAX])(void* output, char* msg, int32_t msgSize);
diff --git a/include/libs/sync/sync.h b/include/libs/sync/sync.h
index e963f25616..2cb0c65d35 100644
--- a/include/libs/sync/sync.h
+++ b/include/libs/sync/sync.h
@@ -162,7 +162,7 @@ typedef struct SSyncLogStore {
   SyncIndex (*syncLogEndIndex)(struct SSyncLogStore* pLogStore);
   bool (*syncLogIsEmpty)(struct SSyncLogStore* pLogStore);
   int32_t (*syncLogEntryCount)(struct SSyncLogStore* pLogStore);
-  bool (*syncLogInRange)(struct SSyncLogStore* pLogStore, SyncIndex index);
+  // bool (*syncLogInRange)(struct SSyncLogStore* pLogStore, SyncIndex index);
 
   SyncIndex (*syncLogWriteIndex)(struct SSyncLogStore* pLogStore);
   SyncIndex (*syncLogLastIndex)(struct SSyncLogStore* pLogStore);
diff --git a/include/util/taoserror.h b/include/util/taoserror.h
index e695a9e282..eb68f52a40 100644
--- a/include/util/taoserror.h
+++ b/include/util/taoserror.h
@@ -129,6 +129,7 @@ int32_t* taosGetErrno();
 #define TSDB_CODE_TSC_STMT_CLAUSE_ERROR         TAOS_DEF_ERROR_CODE(0, 0X0227)
 #define TSDB_CODE_TSC_QUERY_KILLED              TAOS_DEF_ERROR_CODE(0, 0X0228)
 #define TSDB_CODE_TSC_NO_EXEC_NODE              TAOS_DEF_ERROR_CODE(0, 0X0229)
+#define TSDB_CODE_TSC_NOT_STABLE_ERROR          TAOS_DEF_ERROR_CODE(0, 0X022a)
 
 // mnode-common
 #define TSDB_CODE_MND_APP_ERROR                 TAOS_DEF_ERROR_CODE(0, 0x0300)
diff --git a/packaging/tools/install.sh b/packaging/tools/install.sh
index f07705ff44..d730cc0d8a 100755
--- a/packaging/tools/install.sh
+++ b/packaging/tools/install.sh
@@ -196,7 +196,6 @@ function install_bin() {
   ${csudo}rm -f ${bin_link_dir}/${uninstallScript} || :
   ${csudo}rm -f ${bin_link_dir}/tarbitrator || :
   ${csudo}rm -f ${bin_link_dir}/set_core || :
-  ${csudo}rm -f ${bin_link_dir}/run_${serverName}_and_${adapterName}.sh || :
   ${csudo}rm -f ${bin_link_dir}/TDinsight.sh || :
 
   ${csudo}cp -r ${script_dir}/bin/* ${install_main_dir}/bin && ${csudo}chmod 0555 ${install_main_dir}/bin/*
@@ -211,7 +210,6 @@ function install_bin() {
   [ -x ${install_main_dir}/bin/TDinsight.sh ] && ${csudo}ln -s ${install_main_dir}/bin/TDinsight.sh ${bin_link_dir}/TDinsight.sh || :
   [ -x ${install_main_dir}/bin/remove.sh ] && ${csudo}ln -s ${install_main_dir}/bin/remove.sh ${bin_link_dir}/${uninstallScript} || :
   [ -x ${install_main_dir}/bin/set_core.sh ] && ${csudo}ln -s ${install_main_dir}/bin/set_core.sh ${bin_link_dir}/set_core || :
-  [ -x ${install_main_dir}/bin/run_${serverName}_and_${adapterName}.sh ] && ${csudo}ln -s ${install_main_dir}/bin/run_${serverName}_and_${adapterName}.sh ${bin_link_dir}/run_${serverName}_and_${adapterName}.sh || :
   [ -x ${install_main_dir}/bin/tarbitrator ] && ${csudo}ln -s ${install_main_dir}/bin/tarbitrator ${bin_link_dir}/tarbitrator || :
 
   if [ "$verMode" == "cluster" ]; then
diff --git a/packaging/tools/make_install.sh b/packaging/tools/make_install.sh
index 31cb5e87b9..6726b3fe2d 100755
--- a/packaging/tools/make_install.sh
+++ b/packaging/tools/make_install.sh
@@ -176,7 +176,6 @@ function install_bin() {
   if [ "$osType" != "Darwin" ]; then
     ${csudo}rm -f ${bin_link_dir}/perfMonitor || :
     ${csudo}rm -f ${bin_link_dir}/set_core || :
-    ${csudo}rm -f ${bin_link_dir}/run_taosd_and_taosadapter.sh || :
     ${csudo}rm -f ${bin_link_dir}/${uninstallScript} || :
 
     ${csudo}cp -r ${binary_dir}/build/bin/${clientName} ${install_main_dir}/bin || :
@@ -191,7 +190,6 @@ function install_bin() {
     ${csudo}cp -r ${script_dir}/taosd-dump-cfg.gdb ${install_main_dir}/bin || :
     ${csudo}cp -r ${script_dir}/remove.sh ${install_main_dir}/bin || :
     ${csudo}cp -r ${script_dir}/set_core.sh ${install_main_dir}/bin || :
-    ${csudo}cp -r ${script_dir}/run_taosd_and_taosadapter.sh ${install_main_dir}/bin || :
     ${csudo}cp -r ${script_dir}/startPre.sh ${install_main_dir}/bin || :
 
     ${csudo}chmod 0555 ${install_main_dir}/bin/*
@@ -204,7 +202,6 @@ function install_bin() {
     [ -x ${install_main_dir}/bin/taosdemo ] && ${csudo}ln -s ${install_main_dir}/bin/taosdemo ${bin_link_dir}/taosdemo || :
     [ -x ${install_main_dir}/bin/perfMonitor ] && ${csudo}ln -s ${install_main_dir}/bin/perfMonitor ${bin_link_dir}/perfMonitor || :
     [ -x ${install_main_dir}/set_core.sh ] && ${csudo}ln -s ${install_main_dir}/bin/set_core.sh ${bin_link_dir}/set_core || :
-    [ -x ${install_main_dir}/run_taosd_and_taosadapter.sh ] && ${csudo}ln -s ${install_main_dir}/bin/run_taosd_and_taosadapter.sh ${bin_link_dir}/run_taosd_and_taosadapter.sh || :
     [ -x ${install_main_dir}/bin/remove.sh ] && ${csudo}ln -s ${install_main_dir}/bin/remove.sh ${bin_link_dir}/${uninstallScript} || :
   else
 
diff --git a/source/client/src/clientImpl.c b/source/client/src/clientImpl.c
index 8920922006..37b8866e25 100644
--- a/source/client/src/clientImpl.c
+++ b/source/client/src/clientImpl.c
@@ -244,10 +244,10 @@ void asyncExecLocalCmd(SRequestObj* pRequest, SQuery* pQuery) {
   }
 
   SReqResultInfo* pResultInfo = &pRequest->body.resInfo;
+  pRequest->code = code;
 
   if (pRequest->code != TSDB_CODE_SUCCESS) {
     pResultInfo->numOfRows = 0;
-    pRequest->code = code;
     tscError("0x%" PRIx64 " fetch results failed, code:%s, reqId:0x%" PRIx64, pRequest->self, tstrerror(code),
              pRequest->requestId);
   } else {
@@ -256,7 +256,7 @@ void asyncExecLocalCmd(SRequestObj* pRequest, SQuery* pQuery) {
              pRequest->requestId);
   }
 
-  pRequest->body.queryFp(pRequest->body.param, pRequest, 0);
+  pRequest->body.queryFp(pRequest->body.param, pRequest, code);
   //  pRequest->body.fetchFp(pRequest->body.param, pRequest, pResultInfo->numOfRows);
 }
 
@@ -1444,80 +1444,6 @@ static int32_t doPrepareResPtr(SReqResultInfo* pResInfo) {
   return TSDB_CODE_SUCCESS;
 }
 
-static char* parseTagDatatoJson(void* p) {
-  char*  string = NULL;
-  cJSON* json = cJSON_CreateObject();
-  if (json == NULL) {
-    goto end;
-  }
-
-  SArray* pTagVals = NULL;
-  if (tTagToValArray((const STag*)p, &pTagVals) != 0) {
-    goto end;
-  }
-
-  int16_t nCols = taosArrayGetSize(pTagVals);
-  char    tagJsonKey[256] = {0};
-  for (int j = 0; j < nCols; ++j) {
-    STagVal* pTagVal = (STagVal*)taosArrayGet(pTagVals, j);
-    // json key  encode by binary
-    memset(tagJsonKey, 0, sizeof(tagJsonKey));
-    memcpy(tagJsonKey, pTagVal->pKey, strlen(pTagVal->pKey));
-    // json value
-    char type = pTagVal->type;
-    if (type == TSDB_DATA_TYPE_NULL) {
-      cJSON* value = cJSON_CreateNull();
-      if (value == NULL) {
-        goto end;
-      }
-      cJSON_AddItemToObject(json, tagJsonKey, value);
-    } else if (type == TSDB_DATA_TYPE_NCHAR) {
-      cJSON* value = NULL;
-      if (pTagVal->nData > 0) {
-        char*   tagJsonValue = taosMemoryCalloc(pTagVal->nData, 1);
-        int32_t length = taosUcs4ToMbs((TdUcs4*)pTagVal->pData, pTagVal->nData, tagJsonValue);
-        if (length < 0) {
-          tscError("charset:%s to %s. val:%s convert json value failed.", DEFAULT_UNICODE_ENCODEC, tsCharset,
-                   pTagVal->pData);
-          taosMemoryFree(tagJsonValue);
-          goto end;
-        }
-        value = cJSON_CreateString(tagJsonValue);
-        taosMemoryFree(tagJsonValue);
-        if (value == NULL) {
-          goto end;
-        }
-      } else if (pTagVal->nData == 0) {
-        value = cJSON_CreateString("");
-      } else {
-        ASSERT(0);
-      }
-
-      cJSON_AddItemToObject(json, tagJsonKey, value);
-    } else if (type == TSDB_DATA_TYPE_DOUBLE) {
-      double jsonVd = *(double*)(&pTagVal->i64);
-      cJSON* value = cJSON_CreateNumber(jsonVd);
-      if (value == NULL) {
-        goto end;
-      }
-      cJSON_AddItemToObject(json, tagJsonKey, value);
-    } else if (type == TSDB_DATA_TYPE_BOOL) {
-      char   jsonVd = *(char*)(&pTagVal->i64);
-      cJSON* value = cJSON_CreateBool(jsonVd);
-      if (value == NULL) {
-        goto end;
-      }
-      cJSON_AddItemToObject(json, tagJsonKey, value);
-    } else {
-      ASSERT(0);
-    }
-  }
-  string = cJSON_PrintUnformatted(json);
-end:
-  cJSON_Delete(json);
-  return string;
-}
-
 static int32_t doConvertUCS4(SReqResultInfo* pResultInfo, int32_t numOfRows, int32_t numOfCols, int32_t* colLength) {
   for (int32_t i = 0; i < numOfCols; ++i) {
     int32_t type = pResultInfo->fields[i].type;
diff --git a/source/common/src/tmsg.c b/source/common/src/tmsg.c
index 182f637742..373400bc59 100644
--- a/source/common/src/tmsg.c
+++ b/source/common/src/tmsg.c
@@ -532,6 +532,14 @@ int32_t tSerializeSMCreateStbReq(void *buf, int32_t bufLen, SMCreateStbReq *pReq
   if (pReq->ast2Len > 0) {
     if (tEncodeBinary(&encoder, pReq->pAst2, pReq->ast2Len) < 0) return -1;
   }
+
+  int32_t numOfFuncs = taosArrayGetSize(pReq->pFuncs);
+  if (tEncodeI32(&encoder, numOfFuncs) < 0) return -1;
+  for (int32_t i = 0; i < numOfFuncs; ++i) {
+    const char *pFunc = taosArrayGet(pReq->pFuncs, i);
+    if (tEncodeCStr(&encoder, pFunc) < 0) return -1;
+  }
+  
   tEndEncode(&encoder);
 
   int32_t tlen = encoder.pos;
@@ -606,6 +614,21 @@ int32_t tDeserializeSMCreateStbReq(void *buf, int32_t bufLen, SMCreateStbReq *pR
     if (tDecodeCStrTo(&decoder, pReq->pAst2) < 0) return -1;
   }
 
+  int32_t numOfFuncs = 0;
+  if (tDecodeI32(&decoder, &numOfFuncs) < 0) return -1;
+  if (numOfFuncs > 0) {
+    pReq->pFuncs = taosArrayInit(numOfFuncs, TSDB_FUNC_NAME_LEN);
+    if (NULL == pReq->pFuncs) return -1;
+  }
+  for (int32_t i = 0; i < numOfFuncs; ++i) {
+    char* pFunc = NULL;
+    if (tDecodeCStrAlloc(&decoder, &pFunc) < 0) return -1;
+    if (taosArrayPush(pReq->pFuncs, pFunc) == NULL) {
+      terrno = TSDB_CODE_OUT_OF_MEMORY;
+      return -1;
+    }
+  }
+
   tEndDecode(&decoder);
 
   tDecoderClear(&decoder);
@@ -618,8 +641,7 @@ void tFreeSMCreateStbReq(SMCreateStbReq *pReq) {
   taosMemoryFreeClear(pReq->comment);
   taosMemoryFreeClear(pReq->pAst1);
   taosMemoryFreeClear(pReq->pAst2);
-  pReq->pColumns = NULL;
-  pReq->pTags = NULL;
+  taosArrayDestroy(pReq->pFuncs);
 }
 
 int32_t tSerializeSMDropStbReq(void *buf, int32_t bufLen, SMDropStbReq *pReq) {
@@ -1757,6 +1779,165 @@ void tFreeSRetrieveFuncRsp(SRetrieveFuncRsp *pRsp) {
   taosArrayDestroy(pRsp->pFuncInfos);
 }
 
+int32_t tSerializeSTableCfgReq(void *buf, int32_t bufLen, STableCfgReq *pReq) {
+  int32_t headLen = sizeof(SMsgHead);
+  if (buf != NULL) {
+    buf = (char *)buf + headLen;
+    bufLen -= headLen;
+  }
+
+  SEncoder encoder = {0};
+  tEncoderInit(&encoder, buf, bufLen);
+
+  if (tStartEncode(&encoder) < 0) return -1;
+  if (tEncodeCStr(&encoder, pReq->dbFName) < 0) return -1;
+  if (tEncodeCStr(&encoder, pReq->tbName) < 0) return -1;
+  tEndEncode(&encoder);
+
+  int32_t tlen = encoder.pos;
+  tEncoderClear(&encoder);
+
+  if (buf != NULL) {
+    SMsgHead *pHead = (SMsgHead *)((char *)buf - headLen);
+    pHead->vgId = htonl(pReq->header.vgId);
+    pHead->contLen = htonl(tlen + headLen);
+  }
+
+  return tlen + headLen;
+}
+
+int32_t tDeserializeSTableCfgReq(void *buf, int32_t bufLen, STableCfgReq *pReq) {
+  int32_t headLen = sizeof(SMsgHead);
+
+  SMsgHead *pHead = buf;
+  pHead->vgId = pReq->header.vgId;
+  pHead->contLen = pReq->header.contLen;
+
+  SDecoder decoder = {0};
+  tDecoderInit(&decoder, (char *)buf + headLen, bufLen - headLen);
+
+  if (tStartDecode(&decoder) < 0) return -1;
+  if (tDecodeCStrTo(&decoder, pReq->dbFName) < 0) return -1;
+  if (tDecodeCStrTo(&decoder, pReq->tbName) < 0) return -1;
+
+  tEndDecode(&decoder);
+  tDecoderClear(&decoder);
+  return 0;
+}
+
+int32_t tSerializeSTableCfgRsp(void *buf, int32_t bufLen, STableCfgRsp *pRsp) {
+  SEncoder encoder = {0};
+  tEncoderInit(&encoder, buf, bufLen);
+
+  if (tStartEncode(&encoder) < 0) return -1;
+  if (tEncodeCStr(&encoder, pRsp->tbName) < 0) return -1;
+  if (tEncodeCStr(&encoder, pRsp->stbName) < 0) return -1;
+  if (tEncodeCStr(&encoder, pRsp->dbFName) < 0) return -1;
+  if (tEncodeI32(&encoder, pRsp->numOfTags) < 0) return -1;
+  if (tEncodeI32(&encoder, pRsp->numOfColumns) < 0) return -1;
+  if (tEncodeI8(&encoder, pRsp->tableType) < 0) return -1;
+  if (tEncodeI64(&encoder, pRsp->delay1) < 0) return -1;
+  if (tEncodeI64(&encoder, pRsp->delay2) < 0) return -1;
+  if (tEncodeI64(&encoder, pRsp->watermark1) < 0) return -1;
+  if (tEncodeI64(&encoder, pRsp->watermark2) < 0) return -1;
+  if (tEncodeI32(&encoder, pRsp->ttl) < 0) return -1;
+  
+  int32_t numOfFuncs = taosArrayGetSize(pRsp->pFuncs);
+  if (tEncodeI32(&encoder, numOfFuncs) < 0) return -1;
+  for (int32_t i = 0; i < numOfFuncs; ++i) {
+    const char *pFunc = taosArrayGet(pRsp->pFuncs, i);
+    if (tEncodeCStr(&encoder, pFunc) < 0) return -1;
+  }
+
+  if (tEncodeI32(&encoder, pRsp->commentLen) < 0) return -1;  
+  if (pRsp->commentLen > 0) {
+    if (tEncodeCStr(&encoder, pRsp->pComment) < 0) return -1;
+  }
+  
+  for (int32_t i = 0; i < pRsp->numOfColumns + pRsp->numOfTags; ++i) {
+    SSchema *pSchema = &pRsp->pSchemas[i];
+    if (tEncodeSSchema(&encoder, pSchema) < 0) return -1;
+  }
+
+  if (tEncodeI32(&encoder, pRsp->tagsLen) < 0) return -1;  
+  if (tEncodeBinary(&encoder, pRsp->pTags, pRsp->tagsLen) < 0) return -1;  
+  
+  tEndEncode(&encoder);
+
+  int32_t tlen = encoder.pos;
+  tEncoderClear(&encoder);
+  return tlen;
+}
+
+int32_t tDeserializeSTableCfgRsp(void *buf, int32_t bufLen, STableCfgRsp *pRsp) {
+  SDecoder decoder = {0};
+  tDecoderInit(&decoder, buf, bufLen);
+
+  if (tStartDecode(&decoder) < 0) return -1;
+  if (tDecodeCStrTo(&decoder, pRsp->tbName) < 0) return -1;
+  if (tDecodeCStrTo(&decoder, pRsp->stbName) < 0) return -1;
+  if (tDecodeCStrTo(&decoder, pRsp->dbFName) < 0) return -1;
+  if (tDecodeI32(&decoder, &pRsp->numOfTags) < 0) return -1;
+  if (tDecodeI32(&decoder, &pRsp->numOfColumns) < 0) return -1;
+  if (tDecodeI8(&decoder, &pRsp->tableType) < 0) return -1;
+  if (tDecodeI64(&decoder, &pRsp->delay1) < 0) return -1;
+  if (tDecodeI64(&decoder, &pRsp->delay2) < 0) return -1;
+  if (tDecodeI64(&decoder, &pRsp->watermark1) < 0) return -1;
+  if (tDecodeI64(&decoder, &pRsp->watermark2) < 0) return -1;
+  if (tDecodeI32(&decoder, &pRsp->ttl) < 0) return -1;
+
+  int32_t numOfFuncs = 0;
+  if (tDecodeI32(&decoder, &numOfFuncs) < 0) return -1;
+  if (numOfFuncs > 0) {
+    pRsp->pFuncs = taosArrayInit(numOfFuncs, TSDB_FUNC_NAME_LEN);
+    if (NULL == pRsp->pFuncs) return -1;
+  }
+  for (int32_t i = 0; i < numOfFuncs; ++i) {
+    char pFunc[TSDB_FUNC_NAME_LEN];
+    if (tDecodeCStrTo(&decoder, pFunc) < 0) return -1;
+    if (taosArrayPush(pRsp->pFuncs, pFunc) == NULL) {
+      terrno = TSDB_CODE_OUT_OF_MEMORY;
+      return -1;
+    }
+  }
+
+  if (tDecodeI32(&decoder, &pRsp->commentLen) < 0) return -1;
+  if (pRsp->commentLen > 0) {
+    if (tDecodeCStrAlloc(&decoder, &pRsp->pComment) < 0) return -1;
+  } else {
+    pRsp->pComment = NULL;
+  }
+
+  int32_t totalCols = pRsp->numOfTags + pRsp->numOfColumns;
+  pRsp->pSchemas = taosMemoryMalloc(sizeof(SSchema) * totalCols);
+  if (pRsp->pSchemas == NULL) return -1;
+
+  for (int32_t i = 0; i < totalCols; ++i) {
+    SSchema *pSchema = &pRsp->pSchemas[i];
+    if (tDecodeSSchema(&decoder, pSchema) < 0) return -1;
+  }
+
+  if (tDecodeI32(&decoder, &pRsp->tagsLen) < 0) return -1;
+  if (tDecodeBinaryAlloc(&decoder, (void**)&pRsp->pTags, NULL) < 0) return -1;
+
+  tEndDecode(&decoder);
+
+  tDecoderClear(&decoder);
+  return 0;
+}
+
+void tFreeSTableCfgRsp(STableCfgRsp *pRsp) {
+  if (NULL == pRsp) {
+    return;
+  }
+
+  taosMemoryFreeClear(pRsp->pComment);
+  taosMemoryFreeClear(pRsp->pSchemas);
+  taosMemoryFreeClear(pRsp->pTags);
+  
+  taosArrayDestroy(pRsp->pFuncs);
+}
+
 int32_t tSerializeSCreateDbReq(void *buf, int32_t bufLen, SCreateDbReq *pReq) {
   SEncoder encoder = {0};
   tEncoderInit(&encoder, buf, bufLen);
diff --git a/source/common/src/tname.c b/source/common/src/tname.c
index b67b3ca1f1..ce454d439d 100644
--- a/source/common/src/tname.c
+++ b/source/common/src/tname.c
@@ -240,6 +240,15 @@ bool tNameDBNameEqual(SName* left, SName* right) {
   return (0 == strcmp(left->dbname, right->dbname));
 }
 
+bool tNameTbNameEqual(SName* left, SName* right) {
+  bool equal = tNameDBNameEqual(left, right);
+  if (equal) {
+    return (0 == strcmp(left->tname, right->tname));
+  }
+
+  return equal;
+}
+
 int32_t tNameFromString(SName* dst, const char* str, uint32_t type) {
   assert(dst != NULL && str != NULL && strlen(str) > 0);
 
diff --git a/source/dnode/mgmt/mgmt_mnode/src/mmHandle.c b/source/dnode/mgmt/mgmt_mnode/src/mmHandle.c
index 228033e2a7..d44a7d79bf 100644
--- a/source/dnode/mgmt/mgmt_mnode/src/mmHandle.c
+++ b/source/dnode/mgmt/mgmt_mnode/src/mmHandle.c
@@ -183,6 +183,7 @@ SArray *mmGetMsgHandles() {
   if (dmSetMgmtHandle(pArray, TDMT_MND_ALTER_STB, mmPutMsgToWriteQueue, 0) == NULL) goto _OVER;
   if (dmSetMgmtHandle(pArray, TDMT_MND_DROP_STB, mmPutMsgToWriteQueue, 0) == NULL) goto _OVER;
   if (dmSetMgmtHandle(pArray, TDMT_MND_TABLE_META, mmPutMsgToReadQueue, 0) == NULL) goto _OVER;
+  if (dmSetMgmtHandle(pArray, TDMT_MND_TABLE_CFG, mmPutMsgToReadQueue, 0) == NULL) goto _OVER;
   if (dmSetMgmtHandle(pArray, TDMT_MND_CREATE_SMA, mmPutMsgToWriteQueue, 0) == NULL) goto _OVER;
   if (dmSetMgmtHandle(pArray, TDMT_MND_DROP_SMA, mmPutMsgToWriteQueue, 0) == NULL) goto _OVER;
   if (dmSetMgmtHandle(pArray, TDMT_MND_CREATE_STREAM, mmPutMsgToWriteQueue, 0) == NULL) goto _OVER;
diff --git a/source/dnode/mgmt/mgmt_vnode/src/vmHandle.c b/source/dnode/mgmt/mgmt_vnode/src/vmHandle.c
index c2821669f0..d9502ec8f3 100644
--- a/source/dnode/mgmt/mgmt_vnode/src/vmHandle.c
+++ b/source/dnode/mgmt/mgmt_vnode/src/vmHandle.c
@@ -330,6 +330,7 @@ SArray *vmGetMsgHandles() {
   if (dmSetMgmtHandle(pArray, TDMT_VND_ALTER_TABLE, vmPutMsgToWriteQueue, 0) == NULL) goto _OVER;
   if (dmSetMgmtHandle(pArray, TDMT_VND_UPDATE_TAG_VAL, vmPutMsgToWriteQueue, 0) == NULL) goto _OVER;
   if (dmSetMgmtHandle(pArray, TDMT_VND_TABLE_META, vmPutMsgToFetchQueue, 0) == NULL) goto _OVER;
+  if (dmSetMgmtHandle(pArray, TDMT_VND_TABLE_CFG, vmPutMsgToFetchQueue, 0) == NULL) goto _OVER;
   if (dmSetMgmtHandle(pArray, TDMT_VND_TABLES_META, vmPutMsgToFetchQueue, 0) == NULL) goto _OVER;
   if (dmSetMgmtHandle(pArray, TDMT_VND_CANCEL_TASK, vmPutMsgToFetchQueue, 0) == NULL) goto _OVER;
   if (dmSetMgmtHandle(pArray, TDMT_VND_DROP_TASK, vmPutMsgToFetchQueue, 0) == NULL) goto _OVER;
diff --git a/source/dnode/mnode/impl/inc/mndDef.h b/source/dnode/mnode/impl/inc/mndDef.h
index 3e4cb6a64d..0605e3a69e 100644
--- a/source/dnode/mnode/impl/inc/mndDef.h
+++ b/source/dnode/mnode/impl/inc/mndDef.h
@@ -349,6 +349,7 @@ typedef struct {
   int32_t  commentLen;
   int32_t  ast1Len;
   int32_t  ast2Len;
+  SArray*  pFuncs;
   SSchema* pColumns;
   SSchema* pTags;
   char*    comment;
diff --git a/source/dnode/mnode/impl/inc/mndInfoSchema.h b/source/dnode/mnode/impl/inc/mndInfoSchema.h
index 43d934c431..b10d92ee3d 100644
--- a/source/dnode/mnode/impl/inc/mndInfoSchema.h
+++ b/source/dnode/mnode/impl/inc/mndInfoSchema.h
@@ -25,6 +25,7 @@ extern "C" {
 int32_t mndInitInfos(SMnode *pMnode);
 void    mndCleanupInfos(SMnode *pMnode);
 int32_t mndBuildInsTableSchema(SMnode *pMnode, const char *dbFName, const char *tbName, STableMetaRsp *pRsp);
+int32_t mndBuildInsTableCfg(SMnode *pMnode, const char *dbFName, const char *tbName, STableCfgRsp *pRsp);
 
 #ifdef __cplusplus
 }
diff --git a/source/dnode/mnode/impl/inc/mndPerfSchema.h b/source/dnode/mnode/impl/inc/mndPerfSchema.h
index 19f60229f9..87b4626e83 100644
--- a/source/dnode/mnode/impl/inc/mndPerfSchema.h
+++ b/source/dnode/mnode/impl/inc/mndPerfSchema.h
@@ -23,6 +23,7 @@ extern "C" {
 #endif
 
 int32_t mndBuildPerfsTableSchema(SMnode *pMnode, const char *dbFName, const char *tbName, STableMetaRsp *pRsp);
+int32_t mndBuildPerfsTableCfg(SMnode *pMnode, const char *dbFName, const char *tbName, STableCfgRsp *pRsp);
 int32_t mndInitPerfs(SMnode *pMnode);
 void mndCleanupPerfs(SMnode *pMnode);
 
diff --git a/source/dnode/mnode/impl/src/mndInfoSchema.c b/source/dnode/mnode/impl/src/mndInfoSchema.c
index c9bccaf1d0..45fefaf870 100644
--- a/source/dnode/mnode/impl/src/mndInfoSchema.c
+++ b/source/dnode/mnode/impl/src/mndInfoSchema.c
@@ -90,6 +90,38 @@ int32_t mndBuildInsTableSchema(SMnode *pMnode, const char *dbFName, const char *
   return 0;
 }
 
+int32_t mndBuildInsTableCfg(SMnode *pMnode, const char *dbFName, const char *tbName, STableCfgRsp *pRsp) {
+  if (NULL == pMnode->infosMeta) {
+    terrno = TSDB_CODE_MND_NOT_READY;
+    return -1;
+  }
+
+  STableMetaRsp *pMeta = taosHashGet(pMnode->infosMeta, tbName, strlen(tbName));
+  if (NULL == pMeta) {
+    mError("invalid information schema table name:%s", tbName);
+    terrno = TSDB_CODE_MND_INVALID_SYS_TABLENAME;
+    return -1;
+  }
+
+  strcpy(pRsp->tbName, pMeta->tbName);
+  strcpy(pRsp->stbName, pMeta->stbName);
+  strcpy(pRsp->dbFName, pMeta->dbFName);
+  pRsp->numOfTags = pMeta->numOfTags;
+  pRsp->numOfColumns = pMeta->numOfColumns;
+  pRsp->tableType = pMeta->tableType;
+
+  pRsp->pSchemas = taosMemoryCalloc(pMeta->numOfColumns, sizeof(SSchema));
+  if (pRsp->pSchemas == NULL) {
+    terrno = TSDB_CODE_OUT_OF_MEMORY;
+    pRsp->pSchemas = NULL;
+    return -1;
+  }
+
+  memcpy(pRsp->pSchemas, pMeta->pSchemas, pMeta->numOfColumns * sizeof(SSchema));
+  return 0;
+}
+
+
 int32_t mndInitInfos(SMnode *pMnode) {
   pMnode->infosMeta = taosHashInit(20, taosGetDefaultHashFunction(TSDB_DATA_TYPE_VARCHAR), false, HASH_NO_LOCK);
   if (pMnode->infosMeta == NULL) {
diff --git a/source/dnode/mnode/impl/src/mndPerfSchema.c b/source/dnode/mnode/impl/src/mndPerfSchema.c
index d7b2e3ec24..7056337c8d 100644
--- a/source/dnode/mnode/impl/src/mndPerfSchema.c
+++ b/source/dnode/mnode/impl/src/mndPerfSchema.c
@@ -92,6 +92,37 @@ int32_t mndBuildPerfsTableSchema(SMnode *pMnode, const char *dbFName, const char
   return 0;
 }
 
+int32_t mndBuildPerfsTableCfg(SMnode *pMnode, const char *dbFName, const char *tbName, STableCfgRsp *pRsp) {
+  if (NULL == pMnode->perfsMeta) {
+    terrno = TSDB_CODE_MND_NOT_READY;
+    return -1;
+  }
+
+  STableMetaRsp *pMeta = taosHashGet(pMnode->perfsMeta, tbName, strlen(tbName));
+  if (NULL == pMeta) {
+    mError("invalid performance schema table name:%s", tbName);
+    terrno = TSDB_CODE_MND_INVALID_SYS_TABLENAME;
+    return -1;
+  }
+
+  strcpy(pRsp->tbName, pMeta->tbName);
+  strcpy(pRsp->stbName, pMeta->stbName);
+  strcpy(pRsp->dbFName, pMeta->dbFName);
+  pRsp->numOfTags = pMeta->numOfTags;
+  pRsp->numOfColumns = pMeta->numOfColumns;
+  pRsp->tableType = pMeta->tableType;
+
+  pRsp->pSchemas = taosMemoryCalloc(pMeta->numOfColumns, sizeof(SSchema));
+  if (pRsp->pSchemas == NULL) {
+    terrno = TSDB_CODE_OUT_OF_MEMORY;
+    pRsp->pSchemas = NULL;
+    return -1;
+  }
+
+  memcpy(pRsp->pSchemas, pMeta->pSchemas, pMeta->numOfColumns * sizeof(SSchema));
+  return 0;
+}
+
 int32_t mndInitPerfs(SMnode *pMnode) {
   pMnode->perfsMeta = taosHashInit(20, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), false, HASH_NO_LOCK);
   if (pMnode->perfsMeta == NULL) {
diff --git a/source/dnode/mnode/impl/src/mndStb.c b/source/dnode/mnode/impl/src/mndStb.c
index 3e50ea8262..e04662d22b 100644
--- a/source/dnode/mnode/impl/src/mndStb.c
+++ b/source/dnode/mnode/impl/src/mndStb.c
@@ -43,6 +43,7 @@ static int32_t  mndProcessDropStbReq(SRpcMsg *pReq);
 static int32_t  mndProcessTableMetaReq(SRpcMsg *pReq);
 static int32_t  mndRetrieveStb(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rows);
 static void     mndCancelGetNextStb(SMnode *pMnode, void *pIter);
+static int32_t  mndProcessTableCfgReq(SRpcMsg *pReq);
 
 int32_t mndInitStb(SMnode *pMnode) {
   SSdbTable table = {
@@ -62,6 +63,7 @@ int32_t mndInitStb(SMnode *pMnode) {
   mndSetMsgHandle(pMnode, TDMT_VND_ALTER_STB_RSP, mndTransProcessRsp);
   mndSetMsgHandle(pMnode, TDMT_VND_DROP_STB_RSP, mndTransProcessRsp);
   mndSetMsgHandle(pMnode, TDMT_MND_TABLE_META, mndProcessTableMetaReq);
+  mndSetMsgHandle(pMnode, TDMT_MND_TABLE_CFG, mndProcessTableCfgReq);
 
   mndAddShowRetrieveHandle(pMnode, TSDB_MGMT_TABLE_STB, mndRetrieveStb);
   mndAddShowFreeIterHandle(pMnode, TSDB_MGMT_TABLE_STB, mndCancelGetNextStb);
@@ -75,7 +77,7 @@ SSdbRaw *mndStbActionEncode(SStbObj *pStb) {
   terrno = TSDB_CODE_OUT_OF_MEMORY;
 
   int32_t size = sizeof(SStbObj) + (pStb->numOfColumns + pStb->numOfTags) * sizeof(SSchema) + +pStb->commentLen +
-                 pStb->ast1Len + pStb->ast2Len + STB_RESERVE_SIZE;
+                 pStb->ast1Len + pStb->ast2Len + STB_RESERVE_SIZE + taosArrayGetSize(pStb->pFuncs) * TSDB_FUNC_NAME_LEN;
   SSdbRaw *pRaw = sdbAllocRaw(SDB_STB, STB_VER_NUMBER, size);
   if (pRaw == NULL) goto _OVER;
 
@@ -100,6 +102,13 @@ SSdbRaw *mndStbActionEncode(SStbObj *pStb) {
   SDB_SET_INT32(pRaw, dataPos, pStb->ast1Len, _OVER)
   SDB_SET_INT32(pRaw, dataPos, pStb->ast2Len, _OVER)
 
+  int32_t funcNum = taosArrayGetSize(pStb->pFuncs);
+  SDB_SET_INT32(pRaw, dataPos, funcNum, _OVER)
+  for (int32_t i = 0; i < funcNum; ++i) {
+    char* func = taosArrayGet(pStb->pFuncs, i);
+    SDB_SET_BINARY(pRaw, dataPos, func, TSDB_FUNC_NAME_LEN, _OVER)
+  }
+
   for (int32_t i = 0; i < pStb->numOfColumns; ++i) {
     SSchema *pSchema = &pStb->pColumns[i];
     SDB_SET_INT8(pRaw, dataPos, pSchema->type, _OVER)
@@ -181,6 +190,20 @@ static SSdbRow *mndStbActionDecode(SSdbRaw *pRaw) {
   SDB_GET_INT32(pRaw, dataPos, &pStb->ast1Len, _OVER)
   SDB_GET_INT32(pRaw, dataPos, &pStb->ast2Len, _OVER)
 
+  int32_t funcNum = 0;
+  SDB_GET_INT32(pRaw, dataPos, &funcNum, _OVER)
+  if (funcNum > 0) {
+    pStb->pFuncs = taosArrayInit(funcNum, TSDB_FUNC_NAME_LEN);
+    if (NULL == pStb->pFuncs) {
+      goto _OVER;
+    }
+    char funcName[TSDB_FUNC_NAME_LEN];
+    for (int32_t i = 0; i < funcNum; ++i) {
+      SDB_GET_BINARY(pRaw, dataPos, funcName, TSDB_FUNC_NAME_LEN, _OVER)
+      taosArrayPush(pStb->pFuncs, funcName);
+    }
+  }
+
   pStb->pColumns = taosMemoryCalloc(pStb->numOfColumns, sizeof(SSchema));
   pStb->pTags = taosMemoryCalloc(pStb->numOfTags, sizeof(SSchema));
   if (pStb->pColumns == NULL || pStb->pTags == NULL) {
@@ -250,6 +273,7 @@ static int32_t mndStbActionDelete(SSdb *pSdb, SStbObj *pStb) {
   taosMemoryFreeClear(pStb->comment);
   taosMemoryFreeClear(pStb->pAst1);
   taosMemoryFreeClear(pStb->pAst2);
+  taosArrayDestroy(pStb->pFuncs);
   return 0;
 }
 
@@ -680,6 +704,9 @@ int32_t mndBuildStbFromReq(SMnode *pMnode, SStbObj *pDst, SMCreateStbReq *pCreat
   pDst->numOfColumns = pCreate->numOfColumns;
   pDst->numOfTags = pCreate->numOfTags;
   pDst->commentLen = pCreate->commentLen;
+  pDst->pFuncs = pCreate->pFuncs;
+  pCreate->pFuncs = NULL;
+  
   if (pDst->commentLen > 0) {
     pDst->comment = taosMemoryCalloc(pDst->commentLen + 1, 1);
     if (pDst->comment == NULL) {
@@ -1277,6 +1304,60 @@ static int32_t mndBuildStbSchemaImp(SDbObj *pDb, SStbObj *pStb, const char *tbNa
   return 0;
 }
 
+static int32_t mndBuildStbCfgImp(SDbObj *pDb, SStbObj *pStb, const char *tbName, STableCfgRsp *pRsp) {
+  taosRLockLatch(&pStb->lock);
+
+  int32_t totalCols = pStb->numOfColumns + pStb->numOfTags;
+  pRsp->pSchemas = taosMemoryCalloc(totalCols, sizeof(SSchema));
+  if (pRsp->pSchemas == NULL) {
+    taosRUnLockLatch(&pStb->lock);
+    terrno = TSDB_CODE_OUT_OF_MEMORY;
+    return -1;
+  }
+
+  strcpy(pRsp->dbFName, pStb->db);
+  strcpy(pRsp->tbName, tbName);
+  strcpy(pRsp->stbName, tbName);
+  pRsp->numOfTags = pStb->numOfTags;
+  pRsp->numOfColumns = pStb->numOfColumns;
+  pRsp->tableType = TSDB_SUPER_TABLE;
+  pRsp->delay1 = pStb->maxdelay[0];
+  pRsp->delay2 = pStb->maxdelay[1];
+  pRsp->watermark1 = pStb->watermark[0];
+  pRsp->watermark2 = pStb->watermark[1];
+  pRsp->ttl = pStb->ttl;
+  pRsp->commentLen = pStb->commentLen;
+  if (pStb->commentLen > 0) {
+    pRsp->pComment = strdup(pStb->comment);
+  }
+
+  for (int32_t i = 0; i < pStb->numOfColumns; ++i) {
+    SSchema *pSchema = &pRsp->pSchemas[i];
+    SSchema *pSrcSchema = &pStb->pColumns[i];
+    memcpy(pSchema->name, pSrcSchema->name, TSDB_COL_NAME_LEN);
+    pSchema->type = pSrcSchema->type;
+    pSchema->colId = pSrcSchema->colId;
+    pSchema->bytes = pSrcSchema->bytes;
+  }
+
+  for (int32_t i = 0; i < pStb->numOfTags; ++i) {
+    SSchema *pSchema = &pRsp->pSchemas[i + pStb->numOfColumns];
+    SSchema *pSrcSchema = &pStb->pTags[i];
+    memcpy(pSchema->name, pSrcSchema->name, TSDB_COL_NAME_LEN);
+    pSchema->type = pSrcSchema->type;
+    pSchema->colId = pSrcSchema->colId;
+    pSchema->bytes = pSrcSchema->bytes;
+  }
+
+  if (pStb->pFuncs) {
+    pRsp->pFuncs = taosArrayDup(pStb->pFuncs);
+  }
+  
+  taosRUnLockLatch(&pStb->lock);
+  return 0;
+}
+
+
 static int32_t mndBuildStbSchema(SMnode *pMnode, const char *dbFName, const char *tbName, STableMetaRsp *pRsp,
                                  int32_t *smaVer) {
   char tbFName[TSDB_TABLE_FNAME_LEN] = {0};
@@ -1305,6 +1386,32 @@ static int32_t mndBuildStbSchema(SMnode *pMnode, const char *dbFName, const char
   return code;
 }
 
+static int32_t mndBuildStbCfg(SMnode *pMnode, const char *dbFName, const char *tbName, STableCfgRsp *pRsp) {
+ char tbFName[TSDB_TABLE_FNAME_LEN] = {0};
+ snprintf(tbFName, sizeof(tbFName), "%s.%s", dbFName, tbName);
+
+ SDbObj *pDb = mndAcquireDb(pMnode, dbFName);
+ if (pDb == NULL) {
+   terrno = TSDB_CODE_MND_DB_NOT_SELECTED;
+   return -1;
+ }
+
+ SStbObj *pStb = mndAcquireStb(pMnode, tbFName);
+ if (pStb == NULL) {
+   mndReleaseDb(pMnode, pDb);
+   terrno = TSDB_CODE_PAR_TABLE_NOT_EXIST;
+   return -1;
+ }
+
+ int32_t code = mndBuildStbCfgImp(pDb, pStb, tbName, pRsp);
+ 
+ mndReleaseDb(pMnode, pDb);
+ mndReleaseStb(pMnode, pStb);
+ return code;
+}
+
+
+
 static int32_t mndBuildSMAlterStbRsp(SDbObj *pDb, const SMAlterStbReq *pAlter, SStbObj *pObj, void **pCont,
                                      int32_t *pLen) {
   int32_t       ret;
@@ -1664,6 +1771,63 @@ _OVER:
   return code;
 }
 
+static int32_t mndProcessTableCfgReq(SRpcMsg *pReq) {
+  SMnode       *pMnode = pReq->info.node;
+  int32_t       code = -1;
+  STableCfgReq  cfgReq = {0};
+  STableCfgRsp  cfgRsp = {0};
+
+  if (tDeserializeSTableCfgReq(pReq->pCont, pReq->contLen, &cfgReq) != 0) {
+    terrno = TSDB_CODE_INVALID_MSG;
+    goto _OVER;
+  }
+
+  if (0 == strcmp(cfgReq.dbFName, TSDB_INFORMATION_SCHEMA_DB)) {
+    mDebug("information_schema table:%s.%s, start to retrieve cfg", cfgReq.dbFName, cfgReq.tbName);
+    if (mndBuildInsTableCfg(pMnode, cfgReq.dbFName, cfgReq.tbName, &cfgRsp) != 0) {
+      goto _OVER;
+    }
+  } else if (0 == strcmp(cfgReq.dbFName, TSDB_PERFORMANCE_SCHEMA_DB)) {
+    mDebug("performance_schema table:%s.%s, start to retrieve cfg", cfgReq.dbFName, cfgReq.tbName);
+    if (mndBuildPerfsTableCfg(pMnode, cfgReq.dbFName, cfgReq.tbName, &cfgRsp) != 0) {
+      goto _OVER;
+    }
+  } else {
+    mDebug("stb:%s.%s, start to retrieve cfg", cfgReq.dbFName, cfgReq.tbName);
+    if (mndBuildStbCfg(pMnode, cfgReq.dbFName, cfgReq.tbName, &cfgRsp) != 0) {
+      goto _OVER;
+    }
+  }
+
+  int32_t rspLen = tSerializeSTableCfgRsp(NULL, 0, &cfgRsp);
+  if (rspLen < 0) {
+    terrno = TSDB_CODE_INVALID_MSG;
+    goto _OVER;
+  }
+
+  void *pRsp = rpcMallocCont(rspLen);
+  if (pRsp == NULL) {
+    terrno = TSDB_CODE_OUT_OF_MEMORY;
+    goto _OVER;
+  }
+
+  tSerializeSTableCfgRsp(pRsp, rspLen, &cfgRsp);
+  pReq->info.rsp = pRsp;
+  pReq->info.rspLen = rspLen;
+  code = 0;
+
+  mTrace("%s.%s, cfg is retrieved", cfgReq.dbFName, cfgReq.tbName);
+
+_OVER:
+  if (code != 0) {
+    mError("stb:%s.%s, failed to retrieve cfg since %s", cfgReq.dbFName, cfgReq.tbName, terrstr());
+  }
+
+  tFreeSTableCfgRsp(&cfgRsp);
+  return code;
+}
+
+
 int32_t mndValidateStbInfo(SMnode *pMnode, SSTableVersion *pStbVersions, int32_t numOfStbs, void **ppRsp,
                            int32_t *pRspLen) {
   SSTbHbRsp hbRsp = {0};
diff --git a/source/dnode/vnode/src/inc/vnd.h b/source/dnode/vnode/src/inc/vnd.h
index 19c46d2f6e..7fa188d83a 100644
--- a/source/dnode/vnode/src/inc/vnd.h
+++ b/source/dnode/vnode/src/inc/vnd.h
@@ -79,6 +79,7 @@ void    vnodeBufPoolReset(SVBufPool* pPool);
 int32_t vnodeQueryOpen(SVnode* pVnode);
 void    vnodeQueryClose(SVnode* pVnode);
 int32_t vnodeGetTableMeta(SVnode* pVnode, SRpcMsg* pMsg);
+int     vnodeGetTableCfg(SVnode *pVnode, SRpcMsg *pMsg);
 
 // vnodeCommit.c
 int32_t vnodeBegin(SVnode* pVnode);
diff --git a/source/dnode/vnode/src/vnd/vnodeQuery.c b/source/dnode/vnode/src/vnd/vnodeQuery.c
index 2333a93ce0..32d183ca0a 100644
--- a/source/dnode/vnode/src/vnd/vnodeQuery.c
+++ b/source/dnode/vnode/src/vnd/vnodeQuery.c
@@ -124,6 +124,115 @@ _exit:
   return TSDB_CODE_SUCCESS;
 }
 
+int vnodeGetTableCfg(SVnode *pVnode, SRpcMsg *pMsg) {
+  STableCfgReq   cfgReq = {0};
+  STableCfgRsp   cfgRsp = {0};
+  SMetaReader    mer1 = {0};
+  SMetaReader    mer2 = {0};
+  char           tableFName[TSDB_TABLE_FNAME_LEN];
+  SRpcMsg        rpcMsg;
+  int32_t        code = 0;
+  int32_t        rspLen = 0;
+  void          *pRsp = NULL;
+  SSchemaWrapper schema = {0};
+  SSchemaWrapper schemaTag = {0};
+
+  // decode req
+  if (tDeserializeSTableCfgReq(pMsg->pCont, pMsg->contLen, &cfgReq) != 0) {
+    code = TSDB_CODE_INVALID_MSG;
+    goto _exit;
+  }
+
+  strcpy(cfgRsp.tbName, cfgReq.tbName);
+  memcpy(cfgRsp.dbFName, cfgReq.dbFName, sizeof(cfgRsp.dbFName));
+
+  sprintf(tableFName, "%s.%s", cfgReq.dbFName, cfgReq.tbName);
+  code = vnodeValidateTableHash(pVnode, tableFName);
+  if (code) {
+    goto _exit;
+  }
+
+  // query meta
+  metaReaderInit(&mer1, pVnode->pMeta, 0);
+
+  if (metaGetTableEntryByName(&mer1, cfgReq.tbName) < 0) {
+    code = terrno;
+    goto _exit;
+  }
+
+  cfgRsp.tableType = mer1.me.type;
+
+  if (mer1.me.type == TSDB_SUPER_TABLE) {
+    code = TSDB_CODE_VND_HASH_MISMATCH;
+    goto _exit;
+  } else if (mer1.me.type == TSDB_CHILD_TABLE) {
+    metaReaderInit(&mer2, pVnode->pMeta, 0);
+    if (metaGetTableEntryByUid(&mer2, mer1.me.ctbEntry.suid) < 0) goto _exit;
+
+    strcpy(cfgRsp.stbName, mer2.me.name);
+    schema = mer2.me.stbEntry.schemaRow;
+    schemaTag = mer2.me.stbEntry.schemaTag;
+    cfgRsp.ttl = mer1.me.ctbEntry.ttlDays;
+    cfgRsp.commentLen = mer1.me.ctbEntry.commentLen;
+    if (mer1.me.ctbEntry.commentLen > 0) {
+      cfgRsp.pComment = strdup(mer1.me.ctbEntry.comment);
+    }
+    STag *pTag = (STag *)mer1.me.ctbEntry.pTags;
+    cfgRsp.tagsLen = pTag->len;
+    cfgRsp.pTags = taosMemoryMalloc(cfgRsp.tagsLen);
+    memcpy(cfgRsp.pTags, pTag, cfgRsp.tagsLen);
+  } else if (mer1.me.type == TSDB_NORMAL_TABLE) {
+    schema = mer1.me.ntbEntry.schemaRow;
+    cfgRsp.ttl = mer1.me.ntbEntry.ttlDays;
+    cfgRsp.commentLen = mer1.me.ntbEntry.commentLen;
+    if (mer1.me.ntbEntry.commentLen > 0) {
+      cfgRsp.pComment = strdup(mer1.me.ntbEntry.comment);
+    }
+  } else {
+    ASSERT(0);
+  }
+
+  cfgRsp.numOfTags = schemaTag.nCols;
+  cfgRsp.numOfColumns = schema.nCols;
+  cfgRsp.pSchemas = (SSchema *)taosMemoryMalloc(sizeof(SSchema) * (cfgRsp.numOfColumns + cfgRsp.numOfTags));
+
+  memcpy(cfgRsp.pSchemas, schema.pSchema, sizeof(SSchema) * schema.nCols);
+  if (schemaTag.nCols) {
+    memcpy(cfgRsp.pSchemas + schema.nCols, schemaTag.pSchema, sizeof(SSchema) * schemaTag.nCols);
+  }
+
+  // encode and send response
+  rspLen = tSerializeSTableCfgRsp(NULL, 0, &cfgRsp);
+  if (rspLen < 0) {
+    code = TSDB_CODE_INVALID_MSG;
+    goto _exit;
+  }
+
+  pRsp = rpcMallocCont(rspLen);
+  if (pRsp == NULL) {
+    code = TSDB_CODE_OUT_OF_MEMORY;
+    goto _exit;
+  }
+  tSerializeSTableCfgRsp(pRsp, rspLen, &cfgRsp);
+
+_exit:
+  rpcMsg.info = pMsg->info;
+  rpcMsg.pCont = pRsp;
+  rpcMsg.contLen = rspLen;
+  rpcMsg.code = code;
+
+  if (code) {
+    qError("get table %s cfg failed cause of %s", cfgReq.tbName, tstrerror(code));
+  }
+
+  tmsgSendRsp(&rpcMsg);
+
+  tFreeSTableCfgRsp(&cfgRsp);
+  metaReaderClear(&mer2);
+  metaReaderClear(&mer1);
+  return TSDB_CODE_SUCCESS;
+}
+
 int32_t vnodeGetLoad(SVnode *pVnode, SVnodeLoad *pLoad) {
   pLoad->vgId = TD_VID(pVnode);
   pLoad->syncState = syncGetMyRole(pVnode->sync);
@@ -157,4 +266,4 @@ tsdbReaderT tsdbQueryCacheLast(SVnode *pVnode, SQueryTableDataCond *pCond, STabl
   return tsdbQueryCacheLastT(pVnode->pTsdb, pCond, groupList, qId, pMemRef);
 #endif
   return 0;
-}
\ No newline at end of file
+}
diff --git a/source/dnode/vnode/src/vnd/vnodeSvr.c b/source/dnode/vnode/src/vnd/vnodeSvr.c
index b5a2da091f..e764aba48e 100644
--- a/source/dnode/vnode/src/vnd/vnodeSvr.c
+++ b/source/dnode/vnode/src/vnd/vnodeSvr.c
@@ -255,6 +255,8 @@ int32_t vnodeProcessFetchMsg(SVnode *pVnode, SRpcMsg *pMsg, SQueueInfo *pInfo) {
       return qWorkerProcessHbMsg(pVnode, pVnode->pQuery, pMsg, 0);
     case TDMT_VND_TABLE_META:
       return vnodeGetTableMeta(pVnode, pMsg);
+    case TDMT_VND_TABLE_CFG:
+      return vnodeGetTableCfg(pVnode, pMsg);
     case TDMT_VND_CONSUME:
       return tqProcessPollReq(pVnode->pTq, pMsg, pInfo->workerId);
     case TDMT_STREAM_TASK_RUN:
diff --git a/source/libs/catalog/inc/catalogInt.h b/source/libs/catalog/inc/catalogInt.h
index f2e0af27fd..abe6a69a8d 100644
--- a/source/libs/catalog/inc/catalogInt.h
+++ b/source/libs/catalog/inc/catalogInt.h
@@ -71,11 +71,18 @@ typedef enum {
   CTG_TASK_GET_TB_META,
   CTG_TASK_GET_TB_HASH,
   CTG_TASK_GET_TB_INDEX,
+  CTG_TASK_GET_TB_CFG,
   CTG_TASK_GET_INDEX,
   CTG_TASK_GET_UDF,
   CTG_TASK_GET_USER,
 } CTG_TASK_TYPE;
 
+typedef enum {
+  CTG_TASK_LAUNCHED = 1,
+  CTG_TASK_DONE,
+} CTG_TASK_STATUS;
+
+
 typedef struct SCtgDebug {
   bool     lockEnable;
   bool     cacheEnable;
@@ -102,6 +109,12 @@ typedef struct SCtgTbIndexCtx {
   SName* pName;
 } SCtgTbIndexCtx;
 
+typedef struct SCtgTbCfgCtx {
+  SName*       pName;
+  int32_t      tbType;
+  SVgroupInfo* pVgInfo;
+} SCtgTbCfgCtx;
+
 typedef struct SCtgDbVgCtx {
   char dbFName[TSDB_DB_FNAME_LEN];
 } SCtgDbVgCtx;
@@ -190,7 +203,9 @@ typedef struct SCtgJob {
   SArray*           pTasks;
   int32_t           taskDone;
   SMetaData         jobRes;
-
+  int32_t           taskIdx;
+  SRWLatch          taskLock;
+  
   uint64_t          queryId;
   SCatalog*         pCtg; 
   SRequestConnInfo  conn;
@@ -207,6 +222,7 @@ typedef struct SCtgJob {
   int32_t           userNum;
   int32_t           dbInfoNum;
   int32_t           tbIndexNum;
+  int32_t           tbCfgNum;
 } SCtgJob;
 
 typedef struct SCtgMsgCtx {
@@ -216,24 +232,44 @@ typedef struct SCtgMsgCtx {
   char* target;
 } SCtgMsgCtx;
 
+typedef struct SCtgTask SCtgTask;
+typedef int32_t (*ctgSubTaskCbFp)(SCtgTask*);
+
+typedef struct SCtgSubRes {
+  CTG_TASK_TYPE  type;
+  int32_t        code;
+  void*          res;
+  ctgSubTaskCbFp fp;
+} SCtgSubRes;
+
 typedef struct SCtgTask {
-  CTG_TASK_TYPE type;
-  int32_t       taskId;
-  SCtgJob*      pJob;
-  void*         taskCtx;
-  SCtgMsgCtx    msgCtx;
-  int32_t       code;
-  void*         res;
+  CTG_TASK_TYPE   type;
+  int32_t         taskId;
+  SCtgJob*        pJob;
+  void*           taskCtx;
+  SCtgMsgCtx      msgCtx;
+  int32_t         code;
+  void*           res;
+  CTG_TASK_STATUS status;
+  SRWLatch        lock;
+  SArray*         pParents;
+  SCtgSubRes      subRes;
 } SCtgTask;
 
+typedef int32_t (*ctgInitTaskFp)(SCtgJob*, int32_t, void*);
 typedef int32_t (*ctgLanchTaskFp)(SCtgTask*);
 typedef int32_t (*ctgHandleTaskMsgRspFp)(SCtgTask*, int32_t, const SDataBuf *, int32_t);
 typedef int32_t (*ctgDumpTaskResFp)(SCtgTask*);
+typedef int32_t (*ctgCloneTaskResFp)(SCtgTask*, void**);
+typedef int32_t (*ctgCompTaskFp)(SCtgTask*, void*, bool*);
 
 typedef struct SCtgAsyncFps {
-  ctgLanchTaskFp launchFp;
+  ctgInitTaskFp         initFp;
+  ctgLanchTaskFp        launchFp;
   ctgHandleTaskMsgRspFp handleRspFp;
-  ctgDumpTaskResFp dumpResFp;
+  ctgDumpTaskResFp      dumpResFp;
+  ctgCompTaskFp         compFp;
+  ctgCloneTaskResFp     cloneFp;
 } SCtgAsyncFps;
 
 typedef struct SCtgApiStat {
@@ -521,6 +557,8 @@ int32_t ctgDropTbIndexEnqueue(SCatalog* pCtg, SName* pName, bool syncOp);
 int32_t ctgOpDropTbIndex(SCtgCacheOperation *operation);
 int32_t ctgOpUpdateTbIndex(SCtgCacheOperation *operation);
 int32_t ctgOpClearCache(SCtgCacheOperation *operation);
+int32_t ctgReadTbTypeFromCache(SCatalog* pCtg, char* dbFName, char *tableName, int32_t *tbType);
+int32_t ctgGetTbHashVgroupFromCache(SCatalog *pCtg, const SName *pTableName, SVgroupInfo **pVgroup);
 
 
 
@@ -536,10 +574,14 @@ int32_t ctgGetUserDbAuthFromMnode(SCatalog* pCtg, SRequestConnInfo *pConn, const
 int32_t ctgGetTbMetaFromMnodeImpl(SCatalog* pCtg, SRequestConnInfo *pConn, char *dbFName, char* tbName, STableMetaOutput* out, SCtgTask* pTask);
 int32_t ctgGetTbMetaFromMnode(SCatalog* pCtg, SRequestConnInfo *pConn, const SName* pTableName, STableMetaOutput* out, SCtgTask* pTask);
 int32_t ctgGetTbMetaFromVnode(SCatalog* pCtg, SRequestConnInfo *pConn, const SName* pTableName, SVgroupInfo *vgroupInfo, STableMetaOutput* out, SCtgTask* pTask);
+int32_t ctgGetTableCfgFromVnode(SCatalog* pCtg, SRequestConnInfo *pConn, const SName* pTableName, SVgroupInfo *vgroupInfo, STableCfg **out, SCtgTask* pTask);
+int32_t ctgGetTableCfgFromMnode(SCatalog* pCtg, SRequestConnInfo *pConn, const SName* pTableName, STableCfg **out, SCtgTask* pTask);
 
 int32_t ctgInitJob(SCatalog* pCtg, SRequestConnInfo *pConn, SCtgJob** job, uint64_t reqId, const SCatalogReq* pReq, catalogCallback fp, void* param, int32_t* taskNum);
 int32_t ctgLaunchJob(SCtgJob *pJob);
 int32_t ctgMakeAsyncRes(SCtgJob *pJob);
+int32_t ctgLaunchSubTask(SCtgTask *pTask, CTG_TASK_TYPE type, ctgSubTaskCbFp fp, void* param);
+int32_t ctgGetTbCfgCb(SCtgTask *pTask);
 
 int32_t ctgCloneVgInfo(SDBVgInfo *src, SDBVgInfo **dst);
 int32_t ctgCloneMetaOutput(STableMetaOutput *output, STableMetaOutput **pOutput);
@@ -560,6 +602,7 @@ char *  ctgTaskTypeStr(CTG_TASK_TYPE type);
 int32_t ctgUpdateSendTargetInfo(SMsgSendInfo *pMsgSendInfo, int32_t msgType, SCtgTask* pTask);
 int32_t ctgCloneTableIndex(SArray* pIndex, SArray** pRes);
 void    ctgFreeSTableIndex(void *info);
+void    ctgClearSubTaskRes(SCtgSubRes *pRes);
 
 
 extern SCatalogMgmt gCtgMgmt;
diff --git a/source/libs/catalog/src/catalog.c b/source/libs/catalog/src/catalog.c
index 9c76d57cdc..931a944adf 100644
--- a/source/libs/catalog/src/catalog.c
+++ b/source/libs/catalog/src/catalog.c
@@ -22,36 +22,6 @@
 
 SCatalogMgmt gCtgMgmt = {0};
 
-int32_t ctgRemoveTbMetaFromCache(SCatalog* pCtg, SName* pTableName, bool syncReq) {
-  int32_t       code = 0;
-  STableMeta*   tblMeta = NULL;
-  SCtgTbMetaCtx tbCtx = {0};
-  tbCtx.flag = CTG_FLAG_UNKNOWN_STB;
-  tbCtx.pName = pTableName;
-
-  CTG_ERR_JRET(ctgReadTbMetaFromCache(pCtg, &tbCtx, &tblMeta));
-
-  if (NULL == tblMeta) {
-    ctgDebug("table already not in cache, db:%s, tblName:%s", pTableName->dbname, pTableName->tname);
-    return TSDB_CODE_SUCCESS;
-  }
-
-  char dbFName[TSDB_DB_FNAME_LEN];
-  tNameGetFullDbName(pTableName, dbFName);
-
-  if (TSDB_SUPER_TABLE == tblMeta->tableType) {
-    CTG_ERR_JRET(ctgDropStbMetaEnqueue(pCtg, dbFName, tbCtx.tbInfo.dbId, pTableName->tname, tblMeta->suid, syncReq));
-  } else {
-    CTG_ERR_JRET(ctgDropTbMetaEnqueue(pCtg, dbFName, tbCtx.tbInfo.dbId, pTableName->tname, syncReq));
-  }
-
-_return:
-
-  taosMemoryFreeClear(tblMeta);
-
-  CTG_RET(code);
-}
-
 int32_t ctgGetDBVgInfo(SCatalog* pCtg, SRequestConnInfo *pConn, const char* dbFName, SCtgDBCache** dbCache, SDBVgInfo **pInfo) {
   int32_t code = 0;
 
@@ -212,29 +182,6 @@ _return:
   CTG_RET(code);
 }
 
-int32_t ctgGetTbMetaFromCache(SCatalog* pCtg, SRequestConnInfo *pConn, SCtgTbMetaCtx* ctx, STableMeta** pTableMeta) {
-  if (CTG_IS_SYS_DBNAME(ctx->pName->dbname)) {
-    CTG_FLAG_SET_SYS_DB(ctx->flag);
-  }
-
-  CTG_ERR_RET(ctgReadTbMetaFromCache(pCtg, ctx, pTableMeta));
-
-  if (*pTableMeta) {
-    if (CTG_FLAG_MATCH_STB(ctx->flag, (*pTableMeta)->tableType) &&
-        ((!CTG_FLAG_IS_FORCE_UPDATE(ctx->flag)) || (CTG_FLAG_IS_SYS_DB(ctx->flag)))) {
-      return TSDB_CODE_SUCCESS;
-    }
-
-    taosMemoryFreeClear(*pTableMeta);
-  }
-
-  if (CTG_FLAG_IS_UNKNOWN_STB(ctx->flag)) {
-    CTG_FLAG_SET_STB(ctx->flag, ctx->tbInfo.tbType);
-  }
-
-  return TSDB_CODE_SUCCESS;
-}
-
 int32_t ctgGetTbMeta(SCatalog* pCtg, SRequestConnInfo *pConn, SCtgTbMetaCtx* ctx, STableMeta** pTableMeta) {
   int32_t code = 0;
   STableMetaOutput *output = NULL;
@@ -381,6 +328,23 @@ _return:
   return TSDB_CODE_SUCCESS;
 }
 
+int32_t ctgGetTbType(SCatalog* pCtg, SRequestConnInfo *pConn, SName* pTableName, int32_t *tbType) {
+  char dbFName[TSDB_DB_FNAME_LEN];
+  tNameGetFullDbName(pTableName, dbFName);
+  CTG_ERR_RET(ctgReadTbTypeFromCache(pCtg, dbFName, pTableName->tname, tbType));
+  if (*tbType > 0) {
+    return TSDB_CODE_SUCCESS;
+  }
+
+  STableMeta* pMeta = NULL;
+  CTG_ERR_RET(catalogGetTableMeta(pCtg, pConn, pTableName, &pMeta));
+
+  *tbType = pMeta->tableType;
+  taosMemoryFree(pMeta);
+
+  return TSDB_CODE_SUCCESS;
+}
+
 int32_t ctgGetTbIndex(SCatalog* pCtg, SRequestConnInfo *pConn, SName* pTableName, SArray** pRes) {
   CTG_ERR_RET(ctgReadTbIndexFromCache(pCtg, pTableName, pRes));
   if (*pRes) {
@@ -419,6 +383,20 @@ _return:
   CTG_RET(code);
 }
 
+int32_t ctgGetTbCfg(SCatalog* pCtg, SRequestConnInfo *pConn, SName* pTableName, STableCfg** pCfg) {
+  int32_t tbType = 0;
+  CTG_ERR_RET(ctgGetTbType(pCtg, pConn, pTableName, &tbType));
+
+  if (TSDB_SUPER_TABLE == tbType) {
+    CTG_ERR_RET(ctgGetTableCfgFromMnode(pCtg, pConn, pTableName, pCfg, NULL));
+  } else {
+    SVgroupInfo vgroupInfo = {0};
+    CTG_ERR_RET(catalogGetTableHashVgroup(pCtg, pConn, pTableName, &vgroupInfo));
+    CTG_ERR_RET(ctgGetTableCfgFromVnode(pCtg, pConn, pTableName, &vgroupInfo, pCfg, NULL));
+  }
+
+  CTG_RET(TSDB_CODE_SUCCESS);
+}
 
 int32_t ctgGetTbDistVgInfo(SCatalog* pCtg, SRequestConnInfo *pConn, SName* pTableName, SArray** pVgList) {
   STableMeta *tbMeta = NULL;
@@ -1222,6 +1200,23 @@ _return:
   CTG_API_LEAVE(code);
 }
 
+int32_t catalogRefreshGetTableCfg(SCatalog* pCtg, SRequestConnInfo *pConn, const SName* pTableName, STableCfg** pCfg) {
+  CTG_API_ENTER();
+  
+  if (NULL == pCtg || NULL == pConn || NULL == pTableName || NULL == pCfg) {
+    CTG_API_LEAVE(TSDB_CODE_CTG_INVALID_INPUT);
+  }
+
+  int32_t code = 0;
+  CTG_ERR_JRET(catalogRemoveTableMeta(pCtg, (SName*)pTableName));
+
+  CTG_ERR_JRET(ctgGetTbCfg(pCtg, pConn, (SName*)pTableName, pCfg));
+
+_return:
+
+  CTG_API_LEAVE(code);
+}
+
 int32_t catalogGetUdfInfo(SCatalog* pCtg, SRequestConnInfo *pConn, const char* funcName, SFuncInfo* pInfo) {
   CTG_API_ENTER();
   
diff --git a/source/libs/catalog/src/ctgAsync.c b/source/libs/catalog/src/ctgAsync.c
index 253384712a..78bc421be9 100644
--- a/source/libs/catalog/src/ctgAsync.c
+++ b/source/libs/catalog/src/ctgAsync.c
@@ -20,7 +20,8 @@
 #include "systable.h"
 #include "tref.h"
 
-int32_t ctgInitGetTbMetaTask(SCtgJob *pJob, int32_t taskIdx, SName *name) {
+int32_t ctgInitGetTbMetaTask(SCtgJob *pJob, int32_t taskIdx, void* param) {
+  SName *name = (SName*)param;
   SCtgTask task = {0};
 
   task.type = CTG_TASK_GET_TB_META;
@@ -44,12 +45,13 @@ int32_t ctgInitGetTbMetaTask(SCtgJob *pJob, int32_t taskIdx, SName *name) {
 
   taosArrayPush(pJob->pTasks, &task);
 
-  qDebug("QID:0x%" PRIx64 " the %d task type %s initialized, tbName:%s", pJob->queryId, taskIdx, ctgTaskTypeStr(task.type), name->tname);
+  qDebug("QID:0x%" PRIx64 " the %dth task type %s initialized, tbName:%s", pJob->queryId, taskIdx, ctgTaskTypeStr(task.type), name->tname);
 
   return TSDB_CODE_SUCCESS;
 }
 
-int32_t ctgInitGetDbVgTask(SCtgJob *pJob, int32_t taskIdx, char *dbFName) {
+int32_t ctgInitGetDbVgTask(SCtgJob *pJob, int32_t taskIdx, void* param) {
+  char *dbFName = (char*)param;
   SCtgTask task = {0};
 
   task.type = CTG_TASK_GET_DB_VGROUP;
@@ -67,12 +69,13 @@ int32_t ctgInitGetDbVgTask(SCtgJob *pJob, int32_t taskIdx, char *dbFName) {
 
   taosArrayPush(pJob->pTasks, &task);
 
-  qDebug("QID:0x%" PRIx64 " the %d task type %s initialized, dbFName:%s", pJob->queryId, taskIdx, ctgTaskTypeStr(task.type), dbFName);
+  qDebug("QID:0x%" PRIx64 " the %dth task type %s initialized, dbFName:%s", pJob->queryId, taskIdx, ctgTaskTypeStr(task.type), dbFName);
 
   return TSDB_CODE_SUCCESS;
 }
 
-int32_t ctgInitGetDbCfgTask(SCtgJob *pJob, int32_t taskIdx, char *dbFName) {
+int32_t ctgInitGetDbCfgTask(SCtgJob *pJob, int32_t taskIdx, void* param) {
+  char *dbFName = (char*)param;
   SCtgTask task = {0};
 
   task.type = CTG_TASK_GET_DB_CFG;
@@ -90,12 +93,13 @@ int32_t ctgInitGetDbCfgTask(SCtgJob *pJob, int32_t taskIdx, char *dbFName) {
 
   taosArrayPush(pJob->pTasks, &task);
 
-  qDebug("QID:0x%" PRIx64 " the %d task type %s initialized, dbFName:%s", pJob->queryId, taskIdx, ctgTaskTypeStr(task.type), dbFName);
+  qDebug("QID:0x%" PRIx64 " the %dth task type %s initialized, dbFName:%s", pJob->queryId, taskIdx, ctgTaskTypeStr(task.type), dbFName);
 
   return TSDB_CODE_SUCCESS;
 }
 
-int32_t ctgInitGetDbInfoTask(SCtgJob *pJob, int32_t taskIdx, char *dbFName) {
+int32_t ctgInitGetDbInfoTask(SCtgJob *pJob, int32_t taskIdx, void* param) {
+  char *dbFName = (char*)param;
   SCtgTask task = {0};
 
   task.type = CTG_TASK_GET_DB_INFO;
@@ -113,13 +117,14 @@ int32_t ctgInitGetDbInfoTask(SCtgJob *pJob, int32_t taskIdx, char *dbFName) {
 
   taosArrayPush(pJob->pTasks, &task);
 
-  qDebug("QID:0x%" PRIx64 " the %d task type %s initialized, dbFName:%s", pJob->queryId, taskIdx, ctgTaskTypeStr(task.type), dbFName);
+  qDebug("QID:0x%" PRIx64 " the %dth task type %s initialized, dbFName:%s", pJob->queryId, taskIdx, ctgTaskTypeStr(task.type), dbFName);
 
   return TSDB_CODE_SUCCESS;
 }
 
 
-int32_t ctgInitGetTbHashTask(SCtgJob *pJob, int32_t taskIdx, SName *name) {
+int32_t ctgInitGetTbHashTask(SCtgJob *pJob, int32_t taskIdx, void* param) {
+  SName *name = (SName*)param;
   SCtgTask task = {0};
 
   task.type = CTG_TASK_GET_TB_HASH;
@@ -143,12 +148,12 @@ int32_t ctgInitGetTbHashTask(SCtgJob *pJob, int32_t taskIdx, SName *name) {
 
   taosArrayPush(pJob->pTasks, &task);
 
-  qDebug("QID:0x%" PRIx64 " the %d task type %s initialized, tableName:%s", pJob->queryId, taskIdx, ctgTaskTypeStr(task.type), name->tname);
+  qDebug("QID:0x%" PRIx64 " the %dth task type %s initialized, tableName:%s", pJob->queryId, taskIdx, ctgTaskTypeStr(task.type), name->tname);
 
   return TSDB_CODE_SUCCESS;
 }
 
-int32_t ctgInitGetQnodeTask(SCtgJob *pJob, int32_t taskIdx) {
+int32_t ctgInitGetQnodeTask(SCtgJob *pJob, int32_t taskIdx, void* param) {
   SCtgTask task = {0};
 
   task.type = CTG_TASK_GET_QNODE;
@@ -163,7 +168,8 @@ int32_t ctgInitGetQnodeTask(SCtgJob *pJob, int32_t taskIdx) {
   return TSDB_CODE_SUCCESS;
 }
 
-int32_t ctgInitGetIndexTask(SCtgJob *pJob, int32_t taskIdx, char *name) {
+int32_t ctgInitGetIndexTask(SCtgJob *pJob, int32_t taskIdx, void* param) {
+  char *name = (char*)param;
   SCtgTask task = {0};
 
   task.type = CTG_TASK_GET_INDEX;
@@ -181,12 +187,13 @@ int32_t ctgInitGetIndexTask(SCtgJob *pJob, int32_t taskIdx, char *name) {
 
   taosArrayPush(pJob->pTasks, &task);
 
-  qDebug("QID:0x%" PRIx64 " the %d task type %s initialized, indexFName:%s", pJob->queryId, taskIdx, ctgTaskTypeStr(task.type), name);
+  qDebug("QID:0x%" PRIx64 " the %dth task type %s initialized, indexFName:%s", pJob->queryId, taskIdx, ctgTaskTypeStr(task.type), name);
 
   return TSDB_CODE_SUCCESS;
 }
 
-int32_t ctgInitGetUdfTask(SCtgJob *pJob, int32_t taskIdx, char *name) {
+int32_t ctgInitGetUdfTask(SCtgJob *pJob, int32_t taskIdx, void* param) {
+  char *name = (char*)param;
   SCtgTask task = {0};
 
   task.type = CTG_TASK_GET_UDF;
@@ -204,12 +211,13 @@ int32_t ctgInitGetUdfTask(SCtgJob *pJob, int32_t taskIdx, char *name) {
 
   taosArrayPush(pJob->pTasks, &task);
 
-  qDebug("QID:0x%" PRIx64 " the %d task type %s initialized, udfName:%s", pJob->queryId, taskIdx, ctgTaskTypeStr(task.type), name);
+  qDebug("QID:0x%" PRIx64 " the %dth task type %s initialized, udfName:%s", pJob->queryId, taskIdx, ctgTaskTypeStr(task.type), name);
 
   return TSDB_CODE_SUCCESS;
 }
 
-int32_t ctgInitGetUserTask(SCtgJob *pJob, int32_t taskIdx, SUserAuthInfo *user) {
+int32_t ctgInitGetUserTask(SCtgJob *pJob, int32_t taskIdx, void* param) {
+  SUserAuthInfo *user = (SUserAuthInfo*)param;
   SCtgTask task = {0};
 
   task.type = CTG_TASK_GET_USER;
@@ -227,12 +235,13 @@ int32_t ctgInitGetUserTask(SCtgJob *pJob, int32_t taskIdx, SUserAuthInfo *user)
 
   taosArrayPush(pJob->pTasks, &task);
 
-  qDebug("QID:0x%" PRIx64 " the %d task type %s initialized, user:%s", pJob->queryId, taskIdx, ctgTaskTypeStr(task.type), user->user);
+  qDebug("QID:0x%" PRIx64 " the %dth task type %s initialized, user:%s", pJob->queryId, taskIdx, ctgTaskTypeStr(task.type), user->user);
 
   return TSDB_CODE_SUCCESS;
 }
 
-int32_t ctgInitGetTbIndexTask(SCtgJob *pJob, int32_t taskIdx, SName *name) {
+int32_t ctgInitGetTbIndexTask(SCtgJob *pJob, int32_t taskIdx, void* param) {
+  SName *name = (SName*)param;
   SCtgTask task = {0};
 
   task.type = CTG_TASK_GET_TB_INDEX;
@@ -255,11 +264,41 @@ int32_t ctgInitGetTbIndexTask(SCtgJob *pJob, int32_t taskIdx, SName *name) {
 
   taosArrayPush(pJob->pTasks, &task);
 
-  qDebug("QID:0x%" PRIx64 " the %d task type %s initialized, tbName:%s", pJob->queryId, taskIdx, ctgTaskTypeStr(task.type), name->tname);
+  qDebug("QID:0x%" PRIx64 " the %dth task type %s initialized, tbName:%s", pJob->queryId, taskIdx, ctgTaskTypeStr(task.type), name->tname);
 
   return TSDB_CODE_SUCCESS;
 }
 
+int32_t ctgInitGetTbCfgTask(SCtgJob *pJob, int32_t taskIdx, void* param) {
+  SName *name = (SName*)param;
+  SCtgTask task = {0};
+
+  task.type = CTG_TASK_GET_TB_CFG;
+  task.taskId = taskIdx;
+  task.pJob = pJob;
+
+  task.taskCtx = taosMemoryCalloc(1, sizeof(SCtgTbCfgCtx));
+  if (NULL == task.taskCtx) {
+    CTG_ERR_RET(TSDB_CODE_OUT_OF_MEMORY);
+  }
+
+  SCtgTbCfgCtx* ctx = task.taskCtx;
+  ctx->pName = taosMemoryMalloc(sizeof(*name));
+  if (NULL == ctx->pName) {
+    taosMemoryFree(task.taskCtx);
+    CTG_ERR_RET(TSDB_CODE_OUT_OF_MEMORY);
+  }
+  
+  memcpy(ctx->pName, name, sizeof(*name));
+
+  taosArrayPush(pJob->pTasks, &task);
+
+  qDebug("QID:0x%" PRIx64 " the %dth task type %s initialized, tbName:%s", pJob->queryId, taskIdx, ctgTaskTypeStr(task.type), name->tname);
+
+  return TSDB_CODE_SUCCESS;
+}
+
+
 
 int32_t ctgHandleForceUpdate(SCatalog* pCtg, int32_t taskNum, SCtgJob *pJob, const SCatalogReq* pReq) {
   SHashObj* pDb = taosHashInit(taskNum, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), false, HASH_NO_LOCK);
@@ -296,6 +335,13 @@ int32_t ctgHandleForceUpdate(SCatalog* pCtg, int32_t taskNum, SCtgJob *pJob, con
     taosHashPut(pDb, dbFName, strlen(dbFName), dbFName, TSDB_DB_FNAME_LEN);
   }
 
+  for (int32_t i = 0; i < pJob->tbCfgNum; ++i) {
+    SName* name = taosArrayGet(pReq->pTableCfg, i);
+    char dbFName[TSDB_DB_FNAME_LEN];
+    tNameGetFullDbName(name, dbFName);
+    taosHashPut(pDb, dbFName, strlen(dbFName), dbFName, TSDB_DB_FNAME_LEN);
+  }
+
   char* dbFName = taosHashIterate(pDb, NULL);
   while (dbFName) {
     ctgDropDbVgroupEnqueue(pCtg, dbFName, true);
@@ -304,39 +350,31 @@ int32_t ctgHandleForceUpdate(SCatalog* pCtg, int32_t taskNum, SCtgJob *pJob, con
 
   taosHashCleanup(pDb);
 
-  int32_t tbNum = pJob->tbMetaNum + pJob->tbHashNum;
-  if (tbNum > 0) {
-    if (tbNum > pJob->tbMetaNum && tbNum > pJob->tbHashNum) {
-      SHashObj* pTb = taosHashInit(tbNum, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), false, HASH_NO_LOCK);
-      for (int32_t i = 0; i < pJob->tbMetaNum; ++i) {
-        SName* name = taosArrayGet(pReq->pTableMeta, i);
-        taosHashPut(pTb, name, sizeof(SName), name, sizeof(SName));
-      }
-      
-      for (int32_t i = 0; i < pJob->tbHashNum; ++i) {
-        SName* name = taosArrayGet(pReq->pTableHash, i);
-        taosHashPut(pTb, name, sizeof(SName), name, sizeof(SName));
-      }
-
-      SName* name = taosHashIterate(pTb, NULL);
-      while (name) {
-        catalogRemoveTableMeta(pCtg, name);
-        name = taosHashIterate(pTb, name);
-      }
-
-      taosHashCleanup(pTb);
-    } else {
-      for (int32_t i = 0; i < pJob->tbMetaNum; ++i) {
-        SName* name = taosArrayGet(pReq->pTableMeta, i);
-        catalogRemoveTableMeta(pCtg, name);
-      }
-      
-      for (int32_t i = 0; i < pJob->tbHashNum; ++i) {
-        SName* name = taosArrayGet(pReq->pTableHash, i);
-        catalogRemoveTableMeta(pCtg, name);
-      }
-    }
+  // REFRESH TABLE META
+  SHashObj* pTb = taosHashInit(taskNum, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), false, HASH_NO_LOCK);
+  for (int32_t i = 0; i < pJob->tbMetaNum; ++i) {
+    SName* name = taosArrayGet(pReq->pTableMeta, i);
+    taosHashPut(pTb, name, sizeof(SName), name, sizeof(SName));
   }
+  
+  for (int32_t i = 0; i < pJob->tbHashNum; ++i) {
+    SName* name = taosArrayGet(pReq->pTableHash, i);
+    taosHashPut(pTb, name, sizeof(SName), name, sizeof(SName));
+  }
+
+  for (int32_t i = 0; i < pJob->tbCfgNum; ++i) {
+    SName* name = taosArrayGet(pReq->pTableCfg, i);
+    taosHashPut(pTb, name, sizeof(SName), name, sizeof(SName));
+  }
+
+  SName* name = taosHashIterate(pTb, NULL);
+  while (name) {
+    catalogRemoveTableMeta(pCtg, name);
+    name = taosHashIterate(pTb, name);
+  }
+
+  taosHashCleanup(pTb);
+
 
   for (int32_t i = 0; i < pJob->tbIndexNum; ++i) {
     SName* name = taosArrayGet(pReq->pTableIndex, i);
@@ -346,6 +384,20 @@ int32_t ctgHandleForceUpdate(SCatalog* pCtg, int32_t taskNum, SCtgJob *pJob, con
   return TSDB_CODE_SUCCESS;
 }
 
+int32_t ctgInitTask(SCtgJob *pJob, CTG_TASK_TYPE type, void* param, int32_t *taskId) {
+  int32_t tid = atomic_fetch_add_32(&pJob->taskIdx, 1);
+
+  CTG_LOCK(CTG_WRITE, &pJob->taskLock);
+  CTG_ERR_RET((*gCtgAsyncFps[type].initFp)(pJob, tid, param));
+  CTG_UNLOCK(CTG_WRITE, &pJob->taskLock);
+
+  if (taskId) {
+    *taskId = tid;
+  }
+  
+  return TSDB_CODE_SUCCESS;
+}
+
 int32_t ctgInitJob(SCatalog* pCtg, SRequestConnInfo *pConn, SCtgJob** job, uint64_t reqId, const SCatalogReq* pReq, catalogCallback fp, void* param, int32_t* taskNum) {
   int32_t code = 0;
   int32_t tbMetaNum = (int32_t)taosArrayGetSize(pReq->pTableMeta);
@@ -359,8 +411,9 @@ int32_t ctgInitJob(SCatalog* pCtg, SRequestConnInfo *pConn, SCtgJob** job, uint6
   int32_t userNum = (int32_t)taosArrayGetSize(pReq->pUser);
   int32_t dbInfoNum = (int32_t)taosArrayGetSize(pReq->pDbInfo);
   int32_t tbIndexNum = (int32_t)taosArrayGetSize(pReq->pTableIndex);
+  int32_t tbCfgNum = (int32_t)taosArrayGetSize(pReq->pTableCfg);
 
-  *taskNum = tbMetaNum + dbVgNum + udfNum + tbHashNum + qnodeNum + dnodeNum + dbCfgNum + indexNum + userNum + dbInfoNum + tbIndexNum;
+  *taskNum = tbMetaNum + dbVgNum + udfNum + tbHashNum + qnodeNum + dnodeNum + dbCfgNum + indexNum + userNum + dbInfoNum + tbIndexNum + tbCfgNum;
   if (*taskNum <= 0) {
     ctgDebug("Empty input for job, no need to retrieve meta, reqId:0x%" PRIx64, reqId);
     return TSDB_CODE_SUCCESS;
@@ -391,6 +444,7 @@ int32_t ctgInitJob(SCatalog* pCtg, SRequestConnInfo *pConn, SCtgJob** job, uint6
   pJob->userNum = userNum;
   pJob->dbInfoNum = dbInfoNum;
   pJob->tbIndexNum = tbIndexNum;
+  pJob->tbCfgNum = tbCfgNum;
 
   pJob->pTasks = taosArrayInit(*taskNum, sizeof(SCtgTask));
 
@@ -403,54 +457,58 @@ int32_t ctgInitJob(SCatalog* pCtg, SRequestConnInfo *pConn, SCtgJob** job, uint6
     CTG_ERR_JRET(ctgHandleForceUpdate(pCtg, *taskNum, pJob, pReq));
   }
 
-  int32_t taskIdx = 0;
   for (int32_t i = 0; i < dbVgNum; ++i) {
     char* dbFName = taosArrayGet(pReq->pDbVgroup, i);
-    CTG_ERR_JRET(ctgInitGetDbVgTask(pJob, taskIdx++, dbFName));
+    CTG_ERR_JRET(ctgInitTask(pJob, CTG_TASK_GET_DB_VGROUP, dbFName, NULL));
   }
 
   for (int32_t i = 0; i < dbCfgNum; ++i) {
     char* dbFName = taosArrayGet(pReq->pDbCfg, i);
-    CTG_ERR_JRET(ctgInitGetDbCfgTask(pJob, taskIdx++, dbFName));
+    CTG_ERR_JRET(ctgInitTask(pJob, CTG_TASK_GET_DB_CFG, dbFName, NULL));
   }
 
   for (int32_t i = 0; i < dbInfoNum; ++i) {
     char* dbFName = taosArrayGet(pReq->pDbInfo, i);
-    CTG_ERR_JRET(ctgInitGetDbInfoTask(pJob, taskIdx++, dbFName));
+    CTG_ERR_JRET(ctgInitTask(pJob, CTG_TASK_GET_DB_INFO, dbFName, NULL));
   }
 
   for (int32_t i = 0; i < tbMetaNum; ++i) {
     SName* name = taosArrayGet(pReq->pTableMeta, i);
-    CTG_ERR_JRET(ctgInitGetTbMetaTask(pJob, taskIdx++, name));
+    CTG_ERR_JRET(ctgInitTask(pJob, CTG_TASK_GET_TB_META, name, NULL));
   }
 
   for (int32_t i = 0; i < tbHashNum; ++i) {
     SName* name = taosArrayGet(pReq->pTableHash, i);
-    CTG_ERR_JRET(ctgInitGetTbHashTask(pJob, taskIdx++, name));
+    CTG_ERR_JRET(ctgInitTask(pJob, CTG_TASK_GET_TB_HASH, name, NULL));
   }
 
   for (int32_t i = 0; i < tbIndexNum; ++i) {
     SName* name = taosArrayGet(pReq->pTableIndex, i);
-    CTG_ERR_JRET(ctgInitGetTbIndexTask(pJob, taskIdx++, name));
+    CTG_ERR_JRET(ctgInitTask(pJob, CTG_TASK_GET_TB_INDEX, name, NULL));
+  }
+
+  for (int32_t i = 0; i < tbCfgNum; ++i) {
+    SName* name = taosArrayGet(pReq->pTableCfg, i);
+    CTG_ERR_JRET(ctgInitTask(pJob, CTG_TASK_GET_TB_CFG, name, NULL));
   }
 
   for (int32_t i = 0; i < indexNum; ++i) {
     char* indexName = taosArrayGet(pReq->pIndex, i);
-    CTG_ERR_JRET(ctgInitGetIndexTask(pJob, taskIdx++, indexName));
+    CTG_ERR_JRET(ctgInitTask(pJob, CTG_TASK_GET_INDEX, indexName, NULL));
   }
 
   for (int32_t i = 0; i < udfNum; ++i) {
     char* udfName = taosArrayGet(pReq->pUdf, i);
-    CTG_ERR_JRET(ctgInitGetUdfTask(pJob, taskIdx++, udfName));
+    CTG_ERR_JRET(ctgInitTask(pJob, CTG_TASK_GET_UDF, udfName, NULL));
   }
 
   for (int32_t i = 0; i < userNum; ++i) {
     SUserAuthInfo* user = taosArrayGet(pReq->pUser, i);
-    CTG_ERR_JRET(ctgInitGetUserTask(pJob, taskIdx++, user));
+    CTG_ERR_JRET(ctgInitTask(pJob, CTG_TASK_GET_USER, user, NULL));
   }
 
   if (qnodeNum) {
-    CTG_ERR_JRET(ctgInitGetQnodeTask(pJob, taskIdx++));
+    CTG_ERR_JRET(ctgInitTask(pJob, CTG_TASK_GET_QNODE, NULL, NULL));
   }
 
   pJob->refId = taosAddRef(gCtgMgmt.jobPool, pJob);
@@ -530,6 +588,21 @@ int32_t ctgDumpTbIndexRes(SCtgTask* pTask) {
   return TSDB_CODE_SUCCESS;
 }
 
+int32_t ctgDumpTbCfgRes(SCtgTask* pTask) {
+  SCtgJob* pJob = pTask->pJob;
+  if (NULL == pJob->jobRes.pTableCfg) {
+    pJob->jobRes.pTableCfg = taosArrayInit(pJob->tbCfgNum, sizeof(SMetaRes));
+    if (NULL == pJob->jobRes.pTableCfg) {
+      CTG_ERR_RET(TSDB_CODE_OUT_OF_MEMORY);
+    }
+  }
+
+  SMetaRes res = {.code = pTask->code, .pRes = pTask->res};
+  taosArrayPush(pJob->jobRes.pTableCfg, &res);
+
+  return TSDB_CODE_SUCCESS;
+}
+
 int32_t ctgDumpIndexRes(SCtgTask* pTask) {
   SCtgJob* pJob = pTask->pJob;
   if (NULL == pJob->jobRes.pIndex) {
@@ -620,13 +693,48 @@ int32_t ctgDumpUserRes(SCtgTask* pTask) {
   return TSDB_CODE_SUCCESS;
 }
 
+int32_t ctgInvokeSubCb(SCtgTask *pTask) {
+  int32_t code = 0;
+  
+  CTG_LOCK(CTG_WRITE, &pTask->lock);
+  
+  int32_t parentNum = taosArrayGetSize(pTask->pParents);
+  for (int32_t i = 0; i < parentNum; ++i) {
+    SCtgTask* pParent = taosArrayGetP(pTask->pParents, i);
+    
+    pParent->subRes.code = pTask->code;
+    if (TSDB_CODE_SUCCESS == pTask->code) {
+      code = (*gCtgAsyncFps[pTask->type].cloneFp)(pTask, &pParent->subRes.res);
+      if (code) {
+        pParent->subRes.code = code;
+      }
+    }
+    
+    CTG_ERR_JRET(pParent->subRes.fp(pParent));
+  }
+  
+_return:
+
+  CTG_UNLOCK(CTG_WRITE, &pTask->lock);
+
+  CTG_RET(code);  
+}
+
+
 int32_t ctgHandleTaskEnd(SCtgTask* pTask, int32_t rspCode) {
   SCtgJob* pJob = pTask->pJob;
   int32_t code = 0;
 
+  if (CTG_TASK_DONE == pTask->status) {
+    return TSDB_CODE_SUCCESS;
+  }
+
   qDebug("QID:0x%" PRIx64 " task %d end with res %s", pJob->queryId, pTask->taskId, tstrerror(rspCode));
 
   pTask->code = rspCode;
+  pTask->status = CTG_TASK_DONE;
+
+  ctgInvokeSubCb(pTask);
 
   int32_t taskDone = atomic_add_fetch_32(&pJob->taskDone, 1);
   if (taskDone < taosArrayGetSize(pJob->pTasks)) {
@@ -638,7 +746,7 @@ int32_t ctgHandleTaskEnd(SCtgTask* pTask, int32_t rspCode) {
 
 _return:
 
-  qDebug("QID:0x%" PRIx64 " user callback with rsp %s", pJob->queryId, tstrerror(code));
+  qDebug("QID:0x%" PRIx64 " ctg call user callback with rsp %s", pJob->queryId, tstrerror(code));
 
   (*pJob->userFp)(&pJob->jobRes, pJob->userParam, code);
 
@@ -804,11 +912,12 @@ int32_t ctgHandleGetDbVgRsp(SCtgTask* pTask, int32_t reqType, const SDataBuf *pM
   switch (reqType) {
     case TDMT_MND_USE_DB: {
       SUseDbOutput* pOut = (SUseDbOutput*)pTask->msgCtx.out;
-
-      CTG_ERR_JRET(ctgGenerateVgList(pCtg, pOut->dbVgroup->vgHash, (SArray**)&pTask->res));
+      SDBVgInfo* pDb = NULL;
       
-      CTG_ERR_JRET(ctgUpdateVgroupEnqueue(pCtg, ctx->dbFName, pOut->dbId, pOut->dbVgroup, false));
-      pOut->dbVgroup = NULL;
+      CTG_ERR_JRET(ctgGenerateVgList(pCtg, pOut->dbVgroup->vgHash, (SArray**)&pTask->res));
+
+      CTG_ERR_JRET(cloneDbVgInfo(pOut->dbVgroup, &pDb));
+      CTG_ERR_JRET(ctgUpdateVgroupEnqueue(pCtg, ctx->dbFName, pOut->dbId, pDb, false));
 
       break;
     }
@@ -876,6 +985,7 @@ int32_t ctgHandleGetTbIndexRsp(SCtgTask* pTask, int32_t reqType, const SDataBuf
   CTG_ERR_JRET(ctgUpdateTbIndexEnqueue(pTask->pJob->pCtg, (STableIndex**)&pTask->msgCtx.out, false));
   
 _return:
+
   if (TSDB_CODE_MND_DB_INDEX_NOT_EXIST == code) {
     code = TSDB_CODE_SUCCESS;
   }
@@ -884,6 +994,18 @@ _return:
   CTG_RET(code);
 }
 
+int32_t ctgHandleGetTbCfgRsp(SCtgTask* pTask, int32_t reqType, const SDataBuf *pMsg, int32_t rspCode) {
+  int32_t code = 0;
+  CTG_ERR_JRET(ctgProcessRspMsg(&pTask->msgCtx.out, reqType, pMsg->pData, pMsg->len, rspCode, pTask->msgCtx.target));
+
+  TSWAP(pTask->res, pTask->msgCtx.out);
+  
+_return:
+
+  ctgHandleTaskEnd(pTask, code);
+
+  CTG_RET(code);
+}
 
 int32_t ctgHandleGetDbCfgRsp(SCtgTask* pTask, int32_t reqType, const SDataBuf *pMsg, int32_t rspCode) {
   int32_t code = 0;
@@ -1140,6 +1262,48 @@ int32_t ctgLaunchGetTbIndexTask(SCtgTask *pTask) {
   return TSDB_CODE_SUCCESS;
 }
 
+int32_t ctgLaunchGetTbCfgTask(SCtgTask *pTask) {
+  int32_t code = 0;
+  SCatalog* pCtg = pTask->pJob->pCtg; 
+  SRequestConnInfo* pConn = &pTask->pJob->conn;
+  SCtgTbCfgCtx* pCtx = (SCtgTbCfgCtx*)pTask->taskCtx;
+  SArray* pRes = NULL;
+  char dbFName[TSDB_DB_FNAME_LEN];
+  tNameGetFullDbName(pCtx->pName, dbFName);
+
+  if (pCtx->tbType <= 0) {
+    CTG_ERR_JRET(ctgReadTbTypeFromCache(pCtg, dbFName, pCtx->pName->tname, &pCtx->tbType));
+    if (pCtx->tbType <= 0) {
+      CTG_ERR_JRET(ctgLaunchSubTask(pTask, CTG_TASK_GET_TB_META, ctgGetTbCfgCb, pCtx->pName));
+      return TSDB_CODE_SUCCESS;
+    }
+  }
+
+  if (TSDB_SUPER_TABLE == pCtx->tbType) {
+    CTG_ERR_JRET(ctgGetTableCfgFromMnode(pCtg, pConn, pCtx->pName, NULL, pTask));
+  } else {
+    if (NULL == pCtx->pVgInfo) {
+      CTG_ERR_JRET(ctgGetTbHashVgroupFromCache(pCtg, pCtx->pName, &pCtx->pVgInfo));
+      if (NULL == pCtx->pVgInfo) {
+        CTG_ERR_JRET(ctgLaunchSubTask(pTask, CTG_TASK_GET_DB_VGROUP, ctgGetTbCfgCb, dbFName));
+        return TSDB_CODE_SUCCESS;
+      }
+    }
+    
+    CTG_ERR_JRET(ctgGetTableCfgFromVnode(pCtg, pConn, pCtx->pName, pCtx->pVgInfo, NULL, pTask));
+  }
+
+  return TSDB_CODE_SUCCESS;
+
+_return:
+
+  if (CTG_TASK_LAUNCHED == pTask->status) {
+    ctgHandleTaskEnd(pTask, code);
+  }
+  
+  CTG_RET(code);
+}
+
 
 int32_t ctgLaunchGetQnodeTask(SCtgTask *pTask) {
   SCatalog* pCtg = pTask->pJob->pCtg; 
@@ -1246,17 +1410,70 @@ int32_t ctgRelaunchGetTbMetaTask(SCtgTask *pTask) {
   return TSDB_CODE_SUCCESS;
 }
 
+int32_t ctgGetTbCfgCb(SCtgTask *pTask) {
+  int32_t code = 0;
+  
+  CTG_ERR_JRET(pTask->subRes.code);
+
+  SCtgTbCfgCtx* pCtx = (SCtgTbCfgCtx*)pTask->taskCtx;
+  if (CTG_TASK_GET_TB_META == pTask->subRes.type) {
+    pCtx->tbType = ((STableMeta*)pTask->subRes.res)->tableType;
+  } else if (CTG_TASK_GET_DB_VGROUP == pTask->subRes.type) {
+    SDBVgInfo* pDb = (SDBVgInfo*)pTask->subRes.res;
+    
+    pCtx->pVgInfo = taosMemoryCalloc(1, sizeof(SVgroupInfo));
+    CTG_ERR_JRET(ctgGetVgInfoFromHashValue(pTask->pJob->pCtg, pDb, pCtx->pName, pCtx->pVgInfo));
+  }
+
+  CTG_RET(ctgLaunchGetTbCfgTask(pTask));
+
+_return:
+
+  CTG_RET(ctgHandleTaskEnd(pTask, pTask->subRes.code));
+}
+
+int32_t ctgCompDbVgTasks(SCtgTask* pTask, void* param, bool* equal) {
+  SCtgDbVgCtx* ctx = pTask->taskCtx;
+
+  *equal = (0 == strcmp(ctx->dbFName, param));
+
+  return TSDB_CODE_SUCCESS;
+}
+
+
+int32_t ctgCompTbMetaTasks(SCtgTask* pTask, void* param, bool* equal) {
+  SCtgTbMetaCtx* ctx = pTask->taskCtx;
+
+  *equal = tNameTbNameEqual(ctx->pName, (SName*)param);
+
+  return TSDB_CODE_SUCCESS;
+}
+
+int32_t ctgCloneTbMeta(SCtgTask* pTask, void** pRes) {
+  STableMeta* pMeta = (STableMeta*)pTask->res;
+
+  CTG_RET(cloneTableMeta(pMeta, (STableMeta**)pRes));
+}
+
+int32_t ctgCloneDbVg(SCtgTask* pTask, void** pRes) {
+  SUseDbOutput* pOut = (SUseDbOutput*)pTask->msgCtx.out;
+
+  CTG_RET(cloneDbVgInfo(pOut->dbVgroup, (SDBVgInfo**)pRes));
+}
+
+
 SCtgAsyncFps gCtgAsyncFps[] = {
-  {ctgLaunchGetQnodeTask,   ctgHandleGetQnodeRsp,   ctgDumpQnodeRes},
-  {ctgLaunchGetDbVgTask,    ctgHandleGetDbVgRsp,    ctgDumpDbVgRes},
-  {ctgLaunchGetDbCfgTask,   ctgHandleGetDbCfgRsp,   ctgDumpDbCfgRes},
-  {ctgLaunchGetDbInfoTask,  ctgHandleGetDbInfoRsp,  ctgDumpDbInfoRes},
-  {ctgLaunchGetTbMetaTask,  ctgHandleGetTbMetaRsp,  ctgDumpTbMetaRes},
-  {ctgLaunchGetTbHashTask,  ctgHandleGetTbHashRsp,  ctgDumpTbHashRes},
-  {ctgLaunchGetTbIndexTask, ctgHandleGetTbIndexRsp, ctgDumpTbIndexRes},
-  {ctgLaunchGetIndexTask,   ctgHandleGetIndexRsp,   ctgDumpIndexRes},
-  {ctgLaunchGetUdfTask,     ctgHandleGetUdfRsp,     ctgDumpUdfRes},
-  {ctgLaunchGetUserTask,    ctgHandleGetUserRsp,    ctgDumpUserRes},
+  {ctgInitGetQnodeTask,   ctgLaunchGetQnodeTask,   ctgHandleGetQnodeRsp,   ctgDumpQnodeRes,   NULL,               NULL},
+  {ctgInitGetDbVgTask,    ctgLaunchGetDbVgTask,    ctgHandleGetDbVgRsp,    ctgDumpDbVgRes,    ctgCompDbVgTasks,   ctgCloneDbVg},
+  {ctgInitGetDbCfgTask,   ctgLaunchGetDbCfgTask,   ctgHandleGetDbCfgRsp,   ctgDumpDbCfgRes,   NULL,               NULL},
+  {ctgInitGetDbInfoTask,  ctgLaunchGetDbInfoTask,  ctgHandleGetDbInfoRsp,  ctgDumpDbInfoRes,  NULL,               NULL},
+  {ctgInitGetTbMetaTask,  ctgLaunchGetTbMetaTask,  ctgHandleGetTbMetaRsp,  ctgDumpTbMetaRes,  ctgCompTbMetaTasks, ctgCloneTbMeta},
+  {ctgInitGetTbHashTask,  ctgLaunchGetTbHashTask,  ctgHandleGetTbHashRsp,  ctgDumpTbHashRes,  NULL,               NULL},
+  {ctgInitGetTbIndexTask, ctgLaunchGetTbIndexTask, ctgHandleGetTbIndexRsp, ctgDumpTbIndexRes, NULL,               NULL},
+  {ctgInitGetTbCfgTask,   ctgLaunchGetTbCfgTask,   ctgHandleGetTbCfgRsp,   ctgDumpTbCfgRes,   NULL,               NULL},
+  {ctgInitGetIndexTask,   ctgLaunchGetIndexTask,   ctgHandleGetIndexRsp,   ctgDumpIndexRes,   NULL,               NULL},
+  {ctgInitGetUdfTask,     ctgLaunchGetUdfTask,     ctgHandleGetUdfRsp,     ctgDumpUdfRes,     NULL,               NULL},
+  {ctgInitGetUserTask,    ctgLaunchGetUserTask,    ctgHandleGetUserRsp,    ctgDumpUserRes,    NULL,               NULL},
 };
 
 int32_t ctgMakeAsyncRes(SCtgJob *pJob) {
@@ -1271,6 +1488,86 @@ int32_t ctgMakeAsyncRes(SCtgJob *pJob) {
   return TSDB_CODE_SUCCESS;
 }
 
+int32_t ctgSearchExistingTask(SCtgJob *pJob, CTG_TASK_TYPE type, void* param, int32_t* taskId) {
+  bool      equal = false;
+  SCtgTask* pTask = NULL;
+  int32_t   code = 0;
+  
+  CTG_LOCK(CTG_READ, &pJob->taskLock);
+  
+  int32_t taskNum = taosArrayGetSize(pJob->pTasks);
+  for (int32_t i = 0; i < taskNum; ++i) {
+    pTask = taosArrayGet(pJob->pTasks, i);
+    if (type !=  pTask->type) {
+      continue;
+    }
+    
+    CTG_ERR_JRET((*gCtgAsyncFps[type].compFp)(pTask, param, &equal));
+    if (equal) {
+      break;
+    }
+  }
+
+_return:
+
+  CTG_UNLOCK(CTG_READ, &pJob->taskLock);
+  if (equal) {
+    *taskId = pTask->taskId;
+  }
+
+  CTG_RET(code);
+}
+
+int32_t ctgSetSubTaskCb(SCtgTask *pSub, SCtgTask *pTask) {
+  int32_t code = 0;
+  
+  CTG_LOCK(CTG_WRITE, &pSub->lock);
+  if (CTG_TASK_DONE == pSub->status) {
+    pTask->subRes.code = pSub->code;
+    CTG_ERR_JRET((*gCtgAsyncFps[pTask->type].cloneFp)(pSub, &pTask->subRes.res));
+    CTG_ERR_JRET(pTask->subRes.fp(pTask));
+  } else {
+    if (NULL == pSub->pParents) {
+      pSub->pParents = taosArrayInit(4, POINTER_BYTES);
+    }
+
+    taosArrayPush(pSub->pParents, &pTask);
+  }
+
+_return:
+
+  CTG_UNLOCK(CTG_WRITE, &pSub->lock);
+
+  CTG_RET(code);  
+}
+
+
+int32_t ctgLaunchSubTask(SCtgTask *pTask, CTG_TASK_TYPE type, ctgSubTaskCbFp fp, void* param) {
+  SCtgJob* pJob = pTask->pJob;
+  int32_t  subTaskId = -1;
+  bool     newTask = false;
+
+  ctgClearSubTaskRes(&pTask->subRes);
+  pTask->subRes.type = type;
+  pTask->subRes.fp = fp;
+  
+  CTG_ERR_RET(ctgSearchExistingTask(pJob, type, param, &subTaskId));
+  if (subTaskId < 0) {
+    CTG_ERR_RET(ctgInitTask(pJob, type, param, &subTaskId));
+    newTask = true;
+  }
+  
+  SCtgTask* pSub = taosArrayGet(pJob->pTasks, subTaskId);
+
+  CTG_ERR_RET(ctgSetSubTaskCb(pSub, pTask));
+
+  if (newTask) {
+    CTG_ERR_RET((*gCtgAsyncFps[pSub->type].launchFp)(pSub));
+    pSub->status = CTG_TASK_LAUNCHED;
+  }
+
+  return TSDB_CODE_SUCCESS;
+}
 
 int32_t ctgLaunchJob(SCtgJob *pJob) {
   int32_t taskNum = taosArrayGetSize(pJob->pTasks);
@@ -1280,6 +1577,7 @@ int32_t ctgLaunchJob(SCtgJob *pJob) {
 
     qDebug("QID:0x%" PRIx64 " ctg start to launch task %d", pJob->queryId, pTask->taskId);
     CTG_ERR_RET((*gCtgAsyncFps[pTask->type].launchFp)(pTask));
+    pTask->status = CTG_TASK_LAUNCHED;
   }
 
   return TSDB_CODE_SUCCESS;
diff --git a/source/libs/catalog/src/ctgCache.c b/source/libs/catalog/src/ctgCache.c
index 1de5ee3d7d..eeb627624b 100644
--- a/source/libs/catalog/src/ctgCache.c
+++ b/source/libs/catalog/src/ctgCache.c
@@ -326,6 +326,7 @@ _return:
 
 int32_t ctgAcquireTbIndexFromCache(SCatalog* pCtg, char *dbFName, char* tbName, SCtgDBCache **pDb, SCtgTbCache** pTb) {
   SCtgDBCache *dbCache = NULL;
+  SCtgTbCache* pCache = NULL;
   ctgAcquireDBCache(pCtg, dbFName, &dbCache);
   if (NULL == dbCache) {
     ctgDebug("db %s not in cache", dbFName);
@@ -333,7 +334,7 @@ int32_t ctgAcquireTbIndexFromCache(SCatalog* pCtg, char *dbFName, char* tbName,
   }
   
   int32_t sz = 0;
-  SCtgTbCache* pCache = taosHashAcquire(dbCache->tbCache, tbName, strlen(tbName));
+  pCache = taosHashAcquire(dbCache->tbCache, tbName, strlen(tbName));
   if (NULL == pCache) {
     ctgDebug("tb %s not in cache, dbFName:%s", tbName, dbFName);
     goto _return;
@@ -540,10 +541,10 @@ int32_t ctgReadTbVerFromCache(SCatalog *pCtg, SName *pTableName, int32_t *sver,
 }
 
 
-int32_t ctgReadTbTypeFromCache(SCatalog* pCtg, char* dbFName, char *tableName, int32_t *tbType) {
+int32_t ctgReadTbTypeFromCache(SCatalog* pCtg, char* dbFName, char *tbName, int32_t *tbType) {
   SCtgDBCache *dbCache = NULL;
   SCtgTbCache *tbCache = NULL;  
-  CTG_ERR_RET(ctgAcquireTbMetaFromCache(pCtg, dbFName, tableName, &dbCache, &tbCache));
+  CTG_ERR_RET(ctgAcquireTbMetaFromCache(pCtg, dbFName, tbName, &dbCache, &tbCache));
   if (NULL == tbCache) {
     ctgReleaseTbMetaToCache(pCtg, dbCache, tbCache);
     return TSDB_CODE_SUCCESS;
@@ -552,7 +553,7 @@ int32_t ctgReadTbTypeFromCache(SCatalog* pCtg, char* dbFName, char *tableName, i
   *tbType = tbCache->pMeta->tableType;
   ctgReleaseTbMetaToCache(pCtg, dbCache, tbCache);
 
-  ctgDebug("Got tb %s tbType %d from cache, dbFName:%s", tableName, *tbType, dbFName);  
+  ctgDebug("Got tb %s tbType %d from cache, dbFName:%s", tbName, *tbType, dbFName);  
   
   return TSDB_CODE_SUCCESS;
 }
@@ -1394,7 +1395,7 @@ int32_t ctgWriteTbMetaToCache(SCatalog *pCtg, SCtgDBCache *dbCache, char *dbFNam
   if (orig) {
     origType = orig->tableType;
 
-    if (origType == meta->tableType && orig->uid == meta->uid && orig->sversion >= meta->sversion && orig->tversion >= meta->tversion) {
+    if (origType == meta->tableType && orig->uid == meta->uid && (origType == TSDB_CHILD_TABLE || (orig->sversion >= meta->sversion && orig->tversion >= meta->tversion))) {
       taosMemoryFree(meta);
       ctgDebug("ignore table %s meta update", tbName);
       return TSDB_CODE_SUCCESS;
@@ -2060,4 +2061,92 @@ int32_t ctgStartUpdateThread() {
 }
 
 
+int32_t ctgGetTbMetaFromCache(SCatalog* pCtg, SRequestConnInfo *pConn, SCtgTbMetaCtx* ctx, STableMeta** pTableMeta) {
+  if (CTG_IS_SYS_DBNAME(ctx->pName->dbname)) {
+    CTG_FLAG_SET_SYS_DB(ctx->flag);
+  }
+
+  CTG_ERR_RET(ctgReadTbMetaFromCache(pCtg, ctx, pTableMeta));
+
+  if (*pTableMeta) {
+    if (CTG_FLAG_MATCH_STB(ctx->flag, (*pTableMeta)->tableType) &&
+        ((!CTG_FLAG_IS_FORCE_UPDATE(ctx->flag)) || (CTG_FLAG_IS_SYS_DB(ctx->flag)))) {
+      return TSDB_CODE_SUCCESS;
+    }
+
+    taosMemoryFreeClear(*pTableMeta);
+  }
+
+  if (CTG_FLAG_IS_UNKNOWN_STB(ctx->flag)) {
+    CTG_FLAG_SET_STB(ctx->flag, ctx->tbInfo.tbType);
+  }
+
+  return TSDB_CODE_SUCCESS;
+}
+
+
+int32_t ctgRemoveTbMetaFromCache(SCatalog* pCtg, SName* pTableName, bool syncReq) {
+  int32_t       code = 0;
+  STableMeta*   tblMeta = NULL;
+  SCtgTbMetaCtx tbCtx = {0};
+  tbCtx.flag = CTG_FLAG_UNKNOWN_STB;
+  tbCtx.pName = pTableName;
+
+  CTG_ERR_JRET(ctgReadTbMetaFromCache(pCtg, &tbCtx, &tblMeta));
+
+  if (NULL == tblMeta) {
+    ctgDebug("table already not in cache, db:%s, tblName:%s", pTableName->dbname, pTableName->tname);
+    return TSDB_CODE_SUCCESS;
+  }
+
+  char dbFName[TSDB_DB_FNAME_LEN];
+  tNameGetFullDbName(pTableName, dbFName);
+
+  if (TSDB_SUPER_TABLE == tblMeta->tableType) {
+    CTG_ERR_JRET(ctgDropStbMetaEnqueue(pCtg, dbFName, tbCtx.tbInfo.dbId, pTableName->tname, tblMeta->suid, syncReq));
+  } else {
+    CTG_ERR_JRET(ctgDropTbMetaEnqueue(pCtg, dbFName, tbCtx.tbInfo.dbId, pTableName->tname, syncReq));
+  }
+
+_return:
+
+  taosMemoryFreeClear(tblMeta);
+
+  CTG_RET(code);
+}
+
+int32_t ctgGetTbHashVgroupFromCache(SCatalog *pCtg, const SName *pTableName, SVgroupInfo **pVgroup) {
+  if (CTG_IS_SYS_DBNAME(pTableName->dbname)) {
+    ctgError("no valid vgInfo for db, dbname:%s", pTableName->dbname);
+    CTG_ERR_RET(TSDB_CODE_CTG_INVALID_INPUT);
+  }
+
+  SCtgDBCache* dbCache = NULL;
+  int32_t      code = 0;
+  char         dbFName[TSDB_DB_FNAME_LEN] = {0};
+  tNameGetFullDbName(pTableName, dbFName);
+
+  CTG_ERR_RET(ctgAcquireVgInfoFromCache(pCtg, dbFName, &dbCache));
+
+  if (NULL == dbCache) {
+    *pVgroup = NULL;
+    return TSDB_CODE_SUCCESS;
+  }
+
+  *pVgroup = taosMemoryCalloc(1, sizeof(SVgroupInfo));
+  CTG_ERR_JRET(ctgGetVgInfoFromHashValue(pCtg, dbCache->vgCache.vgInfo, pTableName, *pVgroup));
+
+_return:
+
+  if (dbCache) {
+    ctgReleaseVgInfoToCache(pCtg, dbCache);
+  }
+
+  if (code) {
+    taosMemoryFreeClear(*pVgroup);
+  }
+
+  CTG_RET(code);
+}
+
 
diff --git a/source/libs/catalog/src/ctgRemote.c b/source/libs/catalog/src/ctgRemote.c
index 5ddea425e8..2c73d616bb 100644
--- a/source/libs/catalog/src/ctgRemote.c
+++ b/source/libs/catalog/src/ctgRemote.c
@@ -172,6 +172,39 @@ int32_t ctgProcessRspMsg(void* out, int32_t reqType, char* msg, int32_t msgSize,
       qDebug("Got table meta from vnode, tbFName:%s", target);
       break;
     }
+    case TDMT_VND_TABLE_CFG: {
+      if (TSDB_CODE_SUCCESS != rspCode) {
+        qError("error rsp for table cfg from vnode, code:%s, tbFName:%s", tstrerror(rspCode), target);
+        CTG_ERR_RET(rspCode);
+      }
+      
+      code = queryProcessMsgRsp[TMSG_INDEX(reqType)](out, msg, msgSize);
+      if (code) {
+        qError("Process vnode tb cfg rsp failed, code:%s, tbFName:%s", tstrerror(code), target);
+        CTG_ERR_RET(code);
+      }
+      
+      qDebug("Got table cfg from vnode, tbFName:%s", target);
+      break;
+    }
+    case TDMT_MND_TABLE_CFG: {
+      if (TSDB_CODE_SUCCESS != rspCode) {
+        qError("error rsp for stb cfg from mnode, error:%s, tbFName:%s", tstrerror(rspCode), target);
+        CTG_ERR_RET(rspCode);
+      }
+      
+      code = queryProcessMsgRsp[TMSG_INDEX(reqType)](out, msg, msgSize);
+      if (code) {
+        qError("Process mnode stb cfg rsp failed, error:%s, tbFName:%s", tstrerror(code), target);
+        CTG_ERR_RET(code);
+      }
+      
+      qDebug("Got stb cfg from mnode, tbFName:%s", target);
+      break;
+    }    
+    default:
+      qError("invalid req type %s", TMSG_INFO(reqType));
+      return TSDB_CODE_APP_ERROR;
   }
 
   return TSDB_CODE_SUCCESS;
@@ -584,7 +617,7 @@ int32_t ctgGetUserDbAuthFromMnode(SCatalog* pCtg, SRequestConnInfo *pConn, const
 
 
 int32_t ctgGetTbMetaFromMnodeImpl(SCatalog* pCtg, SRequestConnInfo *pConn, char *dbFName, char* tbName, STableMetaOutput* out, SCtgTask* pTask) {
-  SBuildTableMetaInput bInput = {.vgId = 0, .dbFName = dbFName, .tbName = tbName};
+  SBuildTableInput bInput = {.vgId = 0, .dbFName = dbFName, .tbName = tbName};
   char *msg = NULL;
   SEpSet *pVnodeEpSet = NULL;
   int32_t msgLen = 0;
@@ -640,9 +673,11 @@ int32_t ctgGetTbMetaFromVnode(SCatalog* pCtg, SRequestConnInfo *pConn, const SNa
   sprintf(tbFName, "%s.%s", dbFName, pTableName->tname);
   void*(*mallocFp)(int32_t) = pTask ? taosMemoryMalloc : rpcMallocCont;
 
-  ctgDebug("try to get table meta from vnode, vgId:%d, tbFName:%s", vgroupInfo->vgId, tbFName);
+  SEp* pEp = &vgroupInfo->epSet.eps[vgroupInfo->epSet.inUse];
+  ctgDebug("try to get table meta from vnode, vgId:%d, ep num:%d, ep %s:%d, tbFName:%s", 
+           vgroupInfo->vgId, vgroupInfo->epSet.numOfEps, pEp->fqdn, pEp->port, tbFName);
 
-  SBuildTableMetaInput bInput = {.vgId = vgroupInfo->vgId, .dbFName = dbFName, .tbName = (char *)tNameGetTableName(pTableName)};
+  SBuildTableInput bInput = {.vgId = vgroupInfo->vgId, .dbFName = dbFName, .tbName = (char *)tNameGetTableName(pTableName)};
   char *msg = NULL;
   int32_t msgLen = 0;
 
@@ -680,4 +715,89 @@ int32_t ctgGetTbMetaFromVnode(SCatalog* pCtg, SRequestConnInfo *pConn, const SNa
   return TSDB_CODE_SUCCESS;
 }
 
+int32_t ctgGetTableCfgFromVnode(SCatalog* pCtg, SRequestConnInfo *pConn, const SName* pTableName, SVgroupInfo *vgroupInfo, STableCfg **out, SCtgTask* pTask) {
+  char *msg = NULL;
+  int32_t msgLen = 0;
+  int32_t reqType = TDMT_VND_TABLE_CFG;
+  char tbFName[TSDB_TABLE_FNAME_LEN];
+  tNameExtractFullName(pTableName, tbFName);
+  void*(*mallocFp)(int32_t) = pTask ? taosMemoryMalloc : rpcMallocCont;
+  char dbFName[TSDB_DB_FNAME_LEN];
+  tNameGetFullDbName(pTableName, dbFName);
+  SBuildTableInput bInput = {.vgId = vgroupInfo->vgId, .dbFName = dbFName, .tbName = (char*)pTableName->tname};
+
+  SEp* pEp = &vgroupInfo->epSet.eps[vgroupInfo->epSet.inUse];
+  ctgDebug("try to get table cfg from vnode, vgId:%d, ep num:%d, ep %s:%d, tbFName:%s", 
+           vgroupInfo->vgId, vgroupInfo->epSet.numOfEps, pEp->fqdn, pEp->port, tbFName);
+
+  int32_t code = queryBuildMsg[TMSG_INDEX(reqType)](&bInput, &msg, 0, &msgLen, mallocFp);
+  if (code) {
+    ctgError("Build get tb cfg msg failed, code:%s, tbFName:%s", tstrerror(code), tbFName);
+    CTG_ERR_RET(code);
+  }
+
+  if (pTask) {
+    CTG_ERR_RET(ctgUpdateMsgCtx(&pTask->msgCtx, reqType, NULL, (char*)tbFName));
+
+    SRequestConnInfo vConn = {.pTrans = pConn->pTrans, 
+                             .requestId = pConn->requestId,
+                             .requestObjRefId = pConn->requestObjRefId,
+                             .mgmtEps = vgroupInfo->epSet};    
+    CTG_RET(ctgAsyncSendMsg(pCtg, &vConn, pTask, reqType, msg, msgLen));
+  }
+  
+  SRpcMsg rpcMsg = {
+      .msgType = reqType,
+      .pCont   = msg,
+      .contLen = msgLen,
+  };
+
+  SRpcMsg rpcRsp = {0};
+  rpcSendRecv(pConn->pTrans, &vgroupInfo->epSet, &rpcMsg, &rpcRsp);
+
+  CTG_ERR_RET(ctgProcessRspMsg(out, reqType, rpcRsp.pCont, rpcRsp.contLen, rpcRsp.code, (char*)tbFName));
+  
+  return TSDB_CODE_SUCCESS;
+}
+
+
+int32_t ctgGetTableCfgFromMnode(SCatalog* pCtg, SRequestConnInfo *pConn, const SName* pTableName, STableCfg **out, SCtgTask* pTask) {
+  char *msg = NULL;
+  int32_t msgLen = 0;
+  int32_t reqType = TDMT_MND_TABLE_CFG;
+  char tbFName[TSDB_TABLE_FNAME_LEN];
+  tNameExtractFullName(pTableName, tbFName);
+  void*(*mallocFp)(int32_t) = pTask ? taosMemoryMalloc : rpcMallocCont;
+  char dbFName[TSDB_DB_FNAME_LEN];
+  tNameGetFullDbName(pTableName, dbFName);
+  SBuildTableInput bInput = {.vgId = 0, .dbFName = dbFName, .tbName = (char*)pTableName->tname};
+
+  ctgDebug("try to get table cfg from mnode, tbFName:%s", tbFName);
+
+  int32_t code = queryBuildMsg[TMSG_INDEX(reqType)](&bInput, &msg, 0, &msgLen, mallocFp);
+  if (code) {
+    ctgError("Build get tb cfg msg failed, code:%s, tbFName:%s", tstrerror(code), tbFName);
+    CTG_ERR_RET(code);
+  }
+
+  if (pTask) {
+    CTG_ERR_RET(ctgUpdateMsgCtx(&pTask->msgCtx, reqType, NULL, (char*)tbFName));
+    
+    CTG_RET(ctgAsyncSendMsg(pCtg, pConn, pTask, reqType, msg, msgLen));
+  }
+  
+  SRpcMsg rpcMsg = {
+      .msgType = reqType,
+      .pCont   = msg,
+      .contLen = msgLen,
+  };
+
+  SRpcMsg rpcRsp = {0};
+  rpcSendRecv(pConn->pTrans, &pConn->mgmtEps, &rpcMsg, &rpcRsp);
+
+  CTG_ERR_RET(ctgProcessRspMsg(out, reqType, rpcRsp.pCont, rpcRsp.contLen, rpcRsp.code, (char*)tbFName));
+  
+  return TSDB_CODE_SUCCESS;
+}
+
 
diff --git a/source/libs/catalog/src/ctgUtil.c b/source/libs/catalog/src/ctgUtil.c
index 476eb371b0..8635457dfe 100644
--- a/source/libs/catalog/src/ctgUtil.c
+++ b/source/libs/catalog/src/ctgUtil.c
@@ -33,6 +33,10 @@ char *ctgTaskTypeStr(CTG_TASK_TYPE type) {
       return "[get table meta]";
     case CTG_TASK_GET_TB_HASH:
       return "[get table hash]";
+    case CTG_TASK_GET_TB_INDEX:
+      return "[get table index]";
+    case CTG_TASK_GET_TB_CFG:
+      return "[get table cfg]";
     case CTG_TASK_GET_INDEX:
       return "[get index]";
     case CTG_TASK_GET_UDF:
@@ -96,6 +100,9 @@ void ctgFreeSMetaData(SMetaData* pData) {
   
   taosArrayDestroy(pData->pQnodeList);
   pData->pQnodeList = NULL;
+
+  taosArrayDestroy(pData->pTableCfg);
+  pData->pTableCfg = NULL;
 }
 
 void ctgFreeSCtgUserAuth(SCtgUserAuth *userCache) {
@@ -280,6 +287,13 @@ void ctgFreeMsgCtx(SCtgMsgCtx* pCtx) {
       }
       break;
     }
+    case TDMT_VND_TABLE_CFG:
+    case TDMT_MND_TABLE_CFG: {
+      STableCfgRsp* pOut = (STableCfgRsp*)pCtx->out;
+      tFreeSTableCfgRsp(pOut);
+      taosMemoryFreeClear(pCtx->out);
+      break;
+    }
     case TDMT_MND_RETRIEVE_FUNC: {
       SFuncInfo* pOut = (SFuncInfo*)pCtx->out;
       taosMemoryFree(pOut->pCode);
@@ -328,14 +342,151 @@ void ctgResetTbMetaTask(SCtgTask* pTask) {
   taosMemoryFreeClear(pTask->res);
 }
 
-void ctgFreeTask(SCtgTask* pTask) {
-  ctgFreeMsgCtx(&pTask->msgCtx);
-  
+void ctgFreeTaskRes(CTG_TASK_TYPE type, void **pRes) {
+  switch (type) {
+    case CTG_TASK_GET_QNODE: {
+      taosArrayDestroy((SArray*)*pRes);
+      *pRes = NULL;
+      break;
+    }
+    case CTG_TASK_GET_TB_META: {
+      taosMemoryFreeClear(*pRes);
+      break;
+    }
+    case CTG_TASK_GET_DB_VGROUP: {
+      taosArrayDestroy((SArray*)*pRes);
+      *pRes = NULL;
+      break;
+    }
+    case CTG_TASK_GET_DB_CFG: {
+      if (*pRes) {
+        SDbCfgInfo* pInfo = (SDbCfgInfo*)*pRes;
+        taosArrayDestroy(pInfo->pRetensions);
+        taosMemoryFreeClear(*pRes);
+      }
+      break;
+    }
+    case CTG_TASK_GET_DB_INFO: {
+      taosMemoryFreeClear(*pRes);
+      break;
+    }
+    case CTG_TASK_GET_TB_HASH: {
+      taosMemoryFreeClear(*pRes);
+      break;
+    }
+    case CTG_TASK_GET_TB_INDEX: {
+      taosArrayDestroyEx(*pRes, tFreeSTableIndexInfo);
+      *pRes = NULL;
+      break;
+    }
+    case CTG_TASK_GET_TB_CFG: {
+      if (*pRes) {
+        STableCfg* pInfo = (STableCfg*)*pRes;
+        tFreeSTableCfgRsp(pInfo);
+        taosMemoryFreeClear(*pRes);
+      }
+      break;
+    }
+    case CTG_TASK_GET_INDEX: {
+      taosMemoryFreeClear(*pRes);
+      break;
+    }
+    case CTG_TASK_GET_UDF: {
+      taosMemoryFreeClear(*pRes);
+      break;
+    }
+    case CTG_TASK_GET_USER: {
+      taosMemoryFreeClear(*pRes);
+      break;
+    }
+    default:
+      qError("invalid task type %d", type);
+      break;
+  }
+}
+
+
+void ctgFreeSubTaskRes(CTG_TASK_TYPE type, void **pRes) {
+  switch (type) {
+    case CTG_TASK_GET_QNODE: {
+      taosArrayDestroy((SArray*)*pRes);
+      *pRes = NULL;
+      break;
+    }
+    case CTG_TASK_GET_TB_META: {
+      taosMemoryFreeClear(*pRes);
+      break;
+    }
+    case CTG_TASK_GET_DB_VGROUP: {
+      if (*pRes) {
+        SDBVgInfo* pInfo = (SDBVgInfo*)*pRes;
+        taosHashCleanup(pInfo->vgHash);
+        taosMemoryFreeClear(*pRes);
+      }
+      break;
+    }
+    case CTG_TASK_GET_DB_CFG: {
+      if (*pRes) {
+        SDbCfgInfo* pInfo = (SDbCfgInfo*)*pRes;
+        taosArrayDestroy(pInfo->pRetensions);
+        taosMemoryFreeClear(*pRes);
+      }
+      break;
+    }
+    case CTG_TASK_GET_DB_INFO: {
+      taosMemoryFreeClear(*pRes);
+      break;
+    }
+    case CTG_TASK_GET_TB_HASH: {
+      taosMemoryFreeClear(*pRes);
+      break;
+    }
+    case CTG_TASK_GET_TB_INDEX: {
+      taosArrayDestroyEx(*pRes, tFreeSTableIndexInfo);
+      *pRes = NULL;
+      break;
+    }
+    case CTG_TASK_GET_TB_CFG: {
+      if (*pRes) {
+        STableCfg* pInfo = (STableCfg*)*pRes;
+        tFreeSTableCfgRsp(pInfo);
+        taosMemoryFreeClear(*pRes);
+      }
+      break;
+    }
+    case CTG_TASK_GET_INDEX: {
+      taosMemoryFreeClear(*pRes);
+      break;
+    }
+    case CTG_TASK_GET_UDF: {
+      taosMemoryFreeClear(*pRes);
+      break;
+    }
+    case CTG_TASK_GET_USER: {
+      taosMemoryFreeClear(*pRes);
+      break;
+    }
+    default:
+      qError("invalid task type %d", type);
+      break;
+  }
+}
+
+
+void ctgClearSubTaskRes(SCtgSubRes *pRes) {
+  pRes->code = 0;
+
+  if (NULL == pRes->res) {
+    return;
+  }
+
+  ctgFreeSubTaskRes(pRes->type, &pRes->res);
+}
+
+void ctgFreeTaskCtx(SCtgTask* pTask) {
   switch (pTask->type) {
     case CTG_TASK_GET_QNODE: {
-      taosArrayDestroy((SArray*)pTask->res);
       taosMemoryFreeClear(pTask->taskCtx);      
-      pTask->res = NULL;
       break;
     }
     case CTG_TASK_GET_TB_META: {
@@ -346,56 +497,49 @@ void ctgFreeTask(SCtgTask* pTask) {
         pTask->msgCtx.lastOut = NULL;
       }
       taosMemoryFreeClear(pTask->taskCtx);
-      taosMemoryFreeClear(pTask->res);
       break;
     }
     case CTG_TASK_GET_DB_VGROUP: {
-      taosArrayDestroy((SArray*)pTask->res);
       taosMemoryFreeClear(pTask->taskCtx);      
-      pTask->res = NULL;
       break;
     }
     case CTG_TASK_GET_DB_CFG: {
       taosMemoryFreeClear(pTask->taskCtx);
-      if (pTask->res) {
-        SDbCfgInfo* pInfo = (SDbCfgInfo*)pTask->res;
-        taosArrayDestroy(pInfo->pRetensions);
-        taosMemoryFreeClear(pTask->res);
-      }
       break;
     }
     case CTG_TASK_GET_DB_INFO: {
       taosMemoryFreeClear(pTask->taskCtx);      
-      taosMemoryFreeClear(pTask->res);
       break;
     }
     case CTG_TASK_GET_TB_HASH: {
       SCtgTbHashCtx* taskCtx = (SCtgTbHashCtx*)pTask->taskCtx;
       taosMemoryFreeClear(taskCtx->pName);
       taosMemoryFreeClear(pTask->taskCtx);      
-      taosMemoryFreeClear(pTask->res);
       break;
     }
     case CTG_TASK_GET_TB_INDEX: {
       SCtgTbIndexCtx* taskCtx = (SCtgTbIndexCtx*)pTask->taskCtx;
       taosMemoryFreeClear(taskCtx->pName);
       taosMemoryFreeClear(pTask->taskCtx);
-      taosArrayDestroyEx(pTask->res, tFreeSTableIndexInfo);
+      break;
+    }
+    case CTG_TASK_GET_TB_CFG: {
+      SCtgTbCfgCtx* taskCtx = (SCtgTbCfgCtx*)pTask->taskCtx;
+      taosMemoryFreeClear(taskCtx->pName);
+      taosMemoryFreeClear(taskCtx->pVgInfo);
+      taosMemoryFreeClear(pTask->taskCtx);
       break;
     }
     case CTG_TASK_GET_INDEX: {
       taosMemoryFreeClear(pTask->taskCtx);
-      taosMemoryFreeClear(pTask->res);
       break;
     }
     case CTG_TASK_GET_UDF: {
       taosMemoryFreeClear(pTask->taskCtx);
-      taosMemoryFreeClear(pTask->res);
       break;
     }
     case CTG_TASK_GET_USER: {
       taosMemoryFreeClear(pTask->taskCtx);
-      taosMemoryFreeClear(pTask->res);
       break;
     }
     default:
@@ -404,6 +548,16 @@ void ctgFreeTask(SCtgTask* pTask) {
   }
 }
 
+
+void ctgFreeTask(SCtgTask* pTask) {
+  ctgFreeMsgCtx(&pTask->msgCtx);
+  ctgFreeTaskRes(pTask->type, &pTask->res);
+  ctgFreeTaskCtx(pTask);
+
+  taosArrayDestroy(pTask->pParents);
+  ctgClearSubTaskRes(&pTask->subRes);
+}
+
 void ctgFreeTasks(SArray* pArray) {
   if (NULL == pArray) {
     return;
diff --git a/source/libs/command/src/command.c b/source/libs/command/src/command.c
index 6a3852abbc..778742b0fa 100644
--- a/source/libs/command/src/command.c
+++ b/source/libs/command/src/command.c
@@ -16,6 +16,7 @@
 #include "command.h"
 #include "catalog.h"
 #include "tdatablock.h"
+#include "tglobal.h"
 
 static int32_t getSchemaBytes(const SSchema* pSchema) {
   switch (pSchema->type) {
@@ -123,11 +124,430 @@ static int32_t execDescribe(SNode* pStmt, SRetrieveTableRsp** pRsp) {
 
 static int32_t execResetQueryCache() { return catalogClearCache(); }
 
-static int32_t execShowCreateDatabase(SShowCreateDatabaseStmt* pStmt) { return TSDB_CODE_FAILED; }
 
-static int32_t execShowCreateTable(SShowCreateTableStmt* pStmt) { return TSDB_CODE_FAILED; }
+static SSDataBlock* buildCreateDBResultDataBlock() {
+  SSDataBlock* pBlock = taosMemoryCalloc(1, sizeof(SSDataBlock));
+  pBlock->info.numOfCols = SHOW_CREATE_DB_RESULT_COLS;
+  pBlock->info.hasVarCol = true;
 
-static int32_t execShowCreateSTable(SShowCreateTableStmt* pStmt) { return TSDB_CODE_FAILED; }
+  pBlock->pDataBlock = taosArrayInit(pBlock->info.numOfCols, sizeof(SColumnInfoData));
+
+  SColumnInfoData infoData = {0};
+  infoData.info.type = TSDB_DATA_TYPE_VARCHAR;
+  infoData.info.bytes = SHOW_CREATE_DB_RESULT_FIELD1_LEN;
+
+  taosArrayPush(pBlock->pDataBlock, &infoData);
+
+  infoData.info.type = TSDB_DATA_TYPE_VARCHAR;
+  infoData.info.bytes = SHOW_CREATE_DB_RESULT_FIELD2_LEN;
+  taosArrayPush(pBlock->pDataBlock, &infoData);
+
+  return pBlock;
+}
+
+int64_t getValOfDiffPrecision(int8_t unit, int64_t val) {
+  int64_t v = 0;
+  switch (unit) {
+    case 's':
+      v = val / 1000;
+      break;
+    case 'm':
+      v = val / tsTickPerMin[TSDB_TIME_PRECISION_MILLI];
+      break;
+    case 'h':
+      v = val / (tsTickPerMin[TSDB_TIME_PRECISION_MILLI] * 60);
+      break;
+    case 'd':
+      v = val / (tsTickPerMin[TSDB_TIME_PRECISION_MILLI] * 24 * 60);
+      break;
+    case 'w':
+      v = val / (tsTickPerMin[TSDB_TIME_PRECISION_MILLI] * 24 * 60 * 7);
+      break;
+    default:
+      break;
+  }
+
+  return v;
+}
+
+char *buildRetension(SArray *pRetension) {
+  size_t size = taosArrayGetSize(pRetension);
+  if (size == 0) {
+    return NULL;
+  }
+
+  char       *p1 = taosMemoryCalloc(1, 100);
+  SRetention *p = taosArrayGet(pRetension, 0);
+
+  int32_t len = 0;
+
+  int64_t v1 = getValOfDiffPrecision(p->freqUnit, p->freq);
+  int64_t v2 = getValOfDiffPrecision(p->keepUnit, p->keep);
+  len += sprintf(p1 + len, "%" PRId64 "%c:%" PRId64 "%c", v1, p->freqUnit, v2, p->keepUnit);
+
+  if (size > 1) {
+    len += sprintf(p1 + len, ",");
+    p = taosArrayGet(pRetension, 1);
+
+    v1 = getValOfDiffPrecision(p->freqUnit, p->freq);
+    v2 = getValOfDiffPrecision(p->keepUnit, p->keep);
+    len += sprintf(p1 + len, "%" PRId64 "%c:%" PRId64 "%c", v1, p->freqUnit, v2, p->keepUnit);
+  }
+
+  if (size > 2) {
+    len += sprintf(p1 + len, ",");
+    p = taosArrayGet(pRetension, 2);
+
+    v1 = getValOfDiffPrecision(p->freqUnit, p->freq);
+    v2 = getValOfDiffPrecision(p->keepUnit, p->keep);
+    len += sprintf(p1 + len, "%" PRId64 "%c:%" PRId64 "%c", v1, p->freqUnit, v2, p->keepUnit);
+  }
+
+  return p1;
+}
+
+
+static void setCreateDBResultIntoDataBlock(SSDataBlock* pBlock, char *dbFName, SDbCfgInfo* pCfg) {
+  blockDataEnsureCapacity(pBlock, 1);
+  pBlock->info.rows = 1;
+
+  SColumnInfoData* pCol1 = taosArrayGet(pBlock->pDataBlock, 0);
+  char             buf1[SHOW_CREATE_DB_RESULT_FIELD1_LEN] = {0};
+  STR_TO_VARSTR(buf1, dbFName);
+  colDataAppend(pCol1, 0, buf1, false);
+
+  SColumnInfoData* pCol2 = taosArrayGet(pBlock->pDataBlock, 1);
+  char             buf2[SHOW_CREATE_DB_RESULT_FIELD2_LEN] = {0};
+  int32_t          len = 0;
+  char *prec = NULL;
+  switch (pCfg->precision) {
+    case TSDB_TIME_PRECISION_MILLI:
+      prec = TSDB_TIME_PRECISION_MILLI_STR;
+      break;
+    case TSDB_TIME_PRECISION_MICRO:
+      prec = TSDB_TIME_PRECISION_MICRO_STR;
+      break;
+    case TSDB_TIME_PRECISION_NANO:
+      prec = TSDB_TIME_PRECISION_NANO_STR;
+      break;
+    default:
+      prec = "none";
+      break;
+  }
+
+  char *retentions = buildRetension(pCfg->pRetensions);
+  
+  len += sprintf(buf2 + VARSTR_HEADER_SIZE, "CREATE DATABASE `%s` BUFFER %d CACHELAST %d COMP %d DURATION %dm "
+                    "FSYNC %d MAXROWS %d MINROWS %d KEEP %dm,%dm,%dm PAGES %d PAGESIZE %d PRECISION '%s' REPLICA %d "
+                    "STRICT %d WAL %d VGROUPS %d SINGLE_STABLE %d",
+                    dbFName, pCfg->buffer, pCfg->cacheLastRow, pCfg->compression, pCfg->daysPerFile,
+                    pCfg->fsyncPeriod, pCfg->maxRows, pCfg->minRows, pCfg->daysToKeep0, pCfg->daysToKeep1, pCfg->daysToKeep2,
+                    pCfg->pages, pCfg->pageSize, prec, pCfg->replications, pCfg->strict, pCfg->walLevel, pCfg->numOfVgroups,
+                    1 == pCfg->numOfStables);
+
+  if (retentions) {
+    len += sprintf(buf2 + VARSTR_HEADER_SIZE + len, " RETENTIONS %s", retentions);
+    taosMemoryFree(retentions);
+  }
+
+  (varDataLen(buf2)) = len;
+  
+  colDataAppend(pCol2, 0, buf2, false);
+}
+
+
+static int32_t execShowCreateDatabase(SShowCreateDatabaseStmt* pStmt, SRetrieveTableRsp** pRsp) {
+  SSDataBlock* pBlock = buildCreateDBResultDataBlock();
+  setCreateDBResultIntoDataBlock(pBlock, pStmt->dbName, pStmt->pCfg);
+
+  size_t rspSize = sizeof(SRetrieveTableRsp) + blockGetEncodeSize(pBlock);
+  *pRsp = taosMemoryCalloc(1, rspSize);
+  if (NULL == *pRsp) {
+    return TSDB_CODE_OUT_OF_MEMORY;
+  }
+
+  (*pRsp)->useconds = 0;
+  (*pRsp)->completed = 1;
+  (*pRsp)->precision = 0;
+  (*pRsp)->compressed = 0;
+  (*pRsp)->compLen = 0;
+  (*pRsp)->numOfRows = htonl(1);
+  (*pRsp)->numOfCols = htonl(SHOW_CREATE_DB_RESULT_COLS);
+
+  int32_t len = 0;
+  blockCompressEncode(pBlock, (*pRsp)->data, &len, SHOW_CREATE_DB_RESULT_COLS, false);
+  ASSERT(len == rspSize - sizeof(SRetrieveTableRsp));
+
+  blockDataDestroy(pBlock);
+  return TSDB_CODE_SUCCESS;
+}
+
+static SSDataBlock* buildCreateTbResultDataBlock() {
+  SSDataBlock* pBlock = taosMemoryCalloc(1, sizeof(SSDataBlock));
+  pBlock->info.numOfCols = SHOW_CREATE_TB_RESULT_COLS;
+  pBlock->info.hasVarCol = true;
+
+  pBlock->pDataBlock = taosArrayInit(pBlock->info.numOfCols, sizeof(SColumnInfoData));
+
+  SColumnInfoData infoData = {0};
+  infoData.info.type = TSDB_DATA_TYPE_VARCHAR;
+  infoData.info.bytes = SHOW_CREATE_TB_RESULT_FIELD1_LEN;
+
+  taosArrayPush(pBlock->pDataBlock, &infoData);
+
+  infoData.info.type = TSDB_DATA_TYPE_VARCHAR;
+  infoData.info.bytes = SHOW_CREATE_TB_RESULT_FIELD2_LEN;
+  taosArrayPush(pBlock->pDataBlock, &infoData);
+
+  return pBlock;
+}
+
+void appendColumnFields(char* buf, int32_t* len, STableCfg* pCfg) {
+  for (int32_t i = 0; i < pCfg->numOfColumns; ++i) {
+    SSchema* pSchema = pCfg->pSchemas + i;
+    char type[32];
+    sprintf(type, "%s", tDataTypes[pSchema->type].name);
+    if (TSDB_DATA_TYPE_VARCHAR == pSchema->type) {
+      sprintf(type + strlen(type), "(%d)", (int32_t)(pSchema->bytes - VARSTR_HEADER_SIZE));
+    } else if (TSDB_DATA_TYPE_NCHAR == pSchema->type) {
+      sprintf(type + strlen(type), "(%d)", (int32_t)((pSchema->bytes - VARSTR_HEADER_SIZE)/TSDB_NCHAR_SIZE));    
+    }
+    
+    *len += sprintf(buf + VARSTR_HEADER_SIZE + *len, "%s`%s` %s", ((i > 0) ? ", " : ""), pSchema->name, type);
+  }
+}
+
+void appendTagFields(char* buf, int32_t* len, STableCfg* pCfg) {
+  for (int32_t i = 0; i < pCfg->numOfTags; ++i) {
+    SSchema* pSchema = pCfg->pSchemas + pCfg->numOfColumns + i;
+    char type[32];
+    sprintf(type, "%s", tDataTypes[pSchema->type].name);
+    if (TSDB_DATA_TYPE_VARCHAR == pSchema->type) {
+      sprintf(type + strlen(type), "(%d)", (int32_t)(pSchema->bytes - VARSTR_HEADER_SIZE));
+    } else if (TSDB_DATA_TYPE_NCHAR == pSchema->type) {
+      sprintf(type + strlen(type), "(%d)", (int32_t)((pSchema->bytes - VARSTR_HEADER_SIZE)/TSDB_NCHAR_SIZE));    
+    }
+
+    *len += sprintf(buf + VARSTR_HEADER_SIZE + *len, "%s`%s` %s", ((i > 0) ? ", " : ""), pSchema->name, type);
+  }
+}
+
+
+void appendTagNameFields(char* buf, int32_t* len, STableCfg* pCfg) {
+  for (int32_t i = 0; i < pCfg->numOfTags; ++i) {
+    SSchema* pSchema = pCfg->pSchemas + pCfg->numOfColumns + i;
+    *len += sprintf(buf + VARSTR_HEADER_SIZE + *len, "%s`%s`", ((i > 0) ? ", " : ""), pSchema->name);
+  }
+}
+
+
+int32_t appendTagValues(char* buf, int32_t* len, STableCfg* pCfg) {
+  SArray *pTagVals = NULL;
+  STag *pTag = (STag*)pCfg->pTags;
+  
+  if (pCfg->pTags && pTag->flags & TD_TAG_JSON) {
+    char *pJson = parseTagDatatoJson(pTag);
+    if (pJson) {
+      *len += sprintf(buf + VARSTR_HEADER_SIZE + *len, "%s", pJson);
+      taosMemoryFree(pJson);
+    }
+
+    return TSDB_CODE_SUCCESS;
+  }
+  
+  int32_t code = tTagToValArray((const STag *)pCfg->pTags, &pTagVals);
+  if (code) {
+    return code;
+  }
+
+  int16_t valueNum = taosArrayGetSize(pTagVals);
+  int32_t num = 0;
+  int32_t j = 0;
+  for (int32_t i = 0; i < pCfg->numOfTags; ++i) {
+    SSchema* pSchema = pCfg->pSchemas + pCfg->numOfColumns + i;
+    if (i > 0) {
+      *len += sprintf(buf + VARSTR_HEADER_SIZE + *len, ", ");
+    }
+    
+    if (j >= valueNum) {
+      *len += sprintf(buf + VARSTR_HEADER_SIZE + *len, "NULL");
+      continue;
+    }
+    
+    STagVal *pTagVal = (STagVal *)taosArrayGet(pTagVals, j);
+    if (pSchema->colId > pTagVal->cid) {
+      qError("tag value and column mismatch, schemaId:%d, valId:%d", pSchema->colId, pTagVal->cid);
+      taosArrayDestroy(pTagVals);
+      return TSDB_CODE_APP_ERROR;
+    } else if (pSchema->colId == pTagVal->cid) {
+      char     type = pTagVal->type;
+      int32_t  tlen = 0;
+
+      if (IS_VAR_DATA_TYPE(type)) {
+        dataConverToStr(buf + VARSTR_HEADER_SIZE + *len, type, pTagVal->pData, pTagVal->nData, &tlen);
+      } else {
+        dataConverToStr(buf + VARSTR_HEADER_SIZE + *len, type, &pTagVal->i64, tDataTypes[type].bytes, &tlen);
+      }
+      *len += tlen;
+      j++;
+    } else {
+      *len += sprintf(buf + VARSTR_HEADER_SIZE + *len, "NULL");
+    }
+    
+
+    /*
+    if (type == TSDB_DATA_TYPE_BINARY) {
+      if (pTagVal->nData > 0) {
+        if (num) {
+          *len += sprintf(buf + VARSTR_HEADER_SIZE + *len, ", ");
+        }
+        
+        memcpy(buf + VARSTR_HEADER_SIZE + *len, pTagVal->pData, pTagVal->nData);
+        *len += pTagVal->nData;
+      }
+    } else if (type == TSDB_DATA_TYPE_NCHAR) {
+      if (pTagVal->nData > 0) {
+        if (num) {
+          *len += sprintf(buf + VARSTR_HEADER_SIZE + *len, ", ");
+        }
+        int32_t tlen = taosUcs4ToMbs((TdUcs4 *)pTagVal->pData, pTagVal->nData, buf + VARSTR_HEADER_SIZE + *len);
+      }
+    } else if (type == TSDB_DATA_TYPE_DOUBLE) {
+      double val = *(double *)(&pTagVal->i64);
+      int    len = 0;
+      term = indexTermCreate(suid, ADD_VALUE, type, key, nKey, (const char *)&val, len);
+    } else if (type == TSDB_DATA_TYPE_BOOL) {
+      int val = *(int *)(&pTagVal->i64);
+      int len = 0;
+      term = indexTermCreate(suid, ADD_VALUE, TSDB_DATA_TYPE_INT, key, nKey, (const char *)&val, len);
+    }
+    */
+  }
+
+  taosArrayDestroy(pTagVals);
+
+  return TSDB_CODE_SUCCESS;  
+}
+
+void appendTableOptions(char* buf, int32_t* len, STableCfg* pCfg) {
+  if (pCfg->commentLen > 0) {
+    *len += sprintf(buf + VARSTR_HEADER_SIZE + *len, " COMMENT '%s'", pCfg->pComment);
+  } else if (0 == pCfg->commentLen) {
+    *len += sprintf(buf + VARSTR_HEADER_SIZE + *len, " COMMENT ''");
+  }
+
+  if (pCfg->watermark1 > 0) {
+    *len += sprintf(buf + VARSTR_HEADER_SIZE + *len, " WATERMARK %" PRId64 "a", pCfg->watermark1);
+    if (pCfg->watermark2 > 0) {
+      *len += sprintf(buf + VARSTR_HEADER_SIZE + *len, ", %" PRId64 "a", pCfg->watermark2);
+    }
+  }
+
+  if (pCfg->delay1 > 0) {
+    *len += sprintf(buf + VARSTR_HEADER_SIZE + *len, " MAX_DELAY %" PRId64 "a", pCfg->delay1);
+    if (pCfg->delay2 > 0) {
+      *len += sprintf(buf + VARSTR_HEADER_SIZE + *len, ", %" PRId64 "a", pCfg->delay2);
+    }
+  }
+
+  int32_t funcNum = taosArrayGetSize(pCfg->pFuncs);
+  if (funcNum > 0) {
+    *len += sprintf(buf + VARSTR_HEADER_SIZE + *len, " ROLLUP(");
+    for (int32_t i = 0; i < funcNum; ++i) {
+      char* pFunc = taosArrayGet(pCfg->pFuncs, i);
+      *len += sprintf(buf + VARSTR_HEADER_SIZE + *len, "%s%s", ((i > 0) ? ", " : ""), pFunc);      
+    }
+    *len += sprintf(buf + VARSTR_HEADER_SIZE + *len, ")");
+  }
+
+  if (pCfg->ttl > 0) {
+    *len += sprintf(buf + VARSTR_HEADER_SIZE + *len, " TTL %d", pCfg->ttl);
+  }
+}
+
+static int32_t setCreateTBResultIntoDataBlock(SSDataBlock* pBlock, char *tbName, STableCfg* pCfg) {
+  int32_t code = 0;
+  blockDataEnsureCapacity(pBlock, 1);
+  pBlock->info.rows = 1;
+
+  SColumnInfoData* pCol1 = taosArrayGet(pBlock->pDataBlock, 0);
+  char             buf1[SHOW_CREATE_TB_RESULT_FIELD1_LEN] = {0};
+  STR_TO_VARSTR(buf1, tbName);
+  colDataAppend(pCol1, 0, buf1, false);
+
+  SColumnInfoData* pCol2 = taosArrayGet(pBlock->pDataBlock, 1);
+  char             buf2[SHOW_CREATE_TB_RESULT_FIELD2_LEN] = {0};
+  int32_t          len = 0;
+
+  if (TSDB_SUPER_TABLE == pCfg->tableType) {
+    len += sprintf(buf2 + VARSTR_HEADER_SIZE, "CREATE STABLE `%s` (", tbName);
+    appendColumnFields(buf2, &len, pCfg);
+    len += sprintf(buf2 + VARSTR_HEADER_SIZE + len, ") TAGS (");
+    appendTagFields(buf2, &len, pCfg);    
+    len += sprintf(buf2 + VARSTR_HEADER_SIZE + len, ")");
+    appendTableOptions(buf2, &len, pCfg);
+  } else if (TSDB_CHILD_TABLE == pCfg->tableType) {
+    len += sprintf(buf2 + VARSTR_HEADER_SIZE, "CREATE TABLE `%s` USING `%s` (", tbName, pCfg->stbName);
+    appendTagNameFields(buf2, &len, pCfg);
+    len += sprintf(buf2 + VARSTR_HEADER_SIZE + len, ") TAGS (");
+    code = appendTagValues(buf2, &len, pCfg);
+    if (code) {
+      return code;
+    }
+    len += sprintf(buf2 + VARSTR_HEADER_SIZE + len, ")");
+    appendTableOptions(buf2, &len, pCfg);
+  } else {
+    len += sprintf(buf2 + VARSTR_HEADER_SIZE, "CREATE TABLE `%s` (", tbName);
+    appendColumnFields(buf2, &len, pCfg);
+    len += sprintf(buf2 + VARSTR_HEADER_SIZE + len, ")");
+  }
+
+  varDataLen(buf2) = len;
+  
+  colDataAppend(pCol2, 0, buf2, false);
+
+  return TSDB_CODE_SUCCESS;
+}
+
+
+static int32_t execShowCreateTable(SShowCreateTableStmt* pStmt, SRetrieveTableRsp** pRsp) {
+  SSDataBlock* pBlock = buildCreateTbResultDataBlock();
+  int32_t code = setCreateTBResultIntoDataBlock(pBlock, pStmt->tableName, pStmt->pCfg);
+  if (code) {
+    return code;
+  }
+
+  size_t rspSize = sizeof(SRetrieveTableRsp) + blockGetEncodeSize(pBlock);
+  *pRsp = taosMemoryCalloc(1, rspSize);
+  if (NULL == *pRsp) {
+    return TSDB_CODE_OUT_OF_MEMORY;
+  }
+
+  (*pRsp)->useconds = 0;
+  (*pRsp)->completed = 1;
+  (*pRsp)->precision = 0;
+  (*pRsp)->compressed = 0;
+  (*pRsp)->compLen = 0;
+  (*pRsp)->numOfRows = htonl(1);
+  (*pRsp)->numOfCols = htonl(SHOW_CREATE_TB_RESULT_COLS);
+
+  int32_t len = 0;
+  blockCompressEncode(pBlock, (*pRsp)->data, &len, SHOW_CREATE_TB_RESULT_COLS, false);
+  ASSERT(len == rspSize - sizeof(SRetrieveTableRsp));
+
+  blockDataDestroy(pBlock);
+  return TSDB_CODE_SUCCESS;
+}
+
+static int32_t execShowCreateSTable(SShowCreateTableStmt* pStmt, SRetrieveTableRsp** pRsp) {
+  STableCfg* pCfg = (STableCfg*)pStmt->pCfg;
+  if (TSDB_SUPER_TABLE != pCfg->tableType) {
+    terrno = TSDB_CODE_TSC_NOT_STABLE_ERROR;
+    return terrno;
+  }
+  
+  return execShowCreateTable(pStmt, pRsp);
+}
 
 static int32_t execAlterLocal(SAlterLocalStmt* pStmt) { return TSDB_CODE_FAILED; }
 
@@ -140,11 +560,11 @@ int32_t qExecCommand(SNode* pStmt, SRetrieveTableRsp** pRsp) {
     case QUERY_NODE_RESET_QUERY_CACHE_STMT:
       return execResetQueryCache();
     case QUERY_NODE_SHOW_CREATE_DATABASE_STMT:
-      return execShowCreateDatabase((SShowCreateDatabaseStmt*)pStmt);
+      return execShowCreateDatabase((SShowCreateDatabaseStmt*)pStmt, pRsp);
     case QUERY_NODE_SHOW_CREATE_TABLE_STMT:
-      return execShowCreateTable((SShowCreateTableStmt*)pStmt);
+      return execShowCreateTable((SShowCreateTableStmt*)pStmt, pRsp);
     case QUERY_NODE_SHOW_CREATE_STABLE_STMT:
-      return execShowCreateSTable((SShowCreateTableStmt*)pStmt);
+      return execShowCreateSTable((SShowCreateTableStmt*)pStmt, pRsp);
     case QUERY_NODE_ALTER_LOCAL_STMT:
       return execAlterLocal((SAlterLocalStmt*)pStmt);
     case QUERY_NODE_SHOW_LOCAL_VARIABLES_STMT:
diff --git a/source/libs/executor/src/scanoperator.c b/source/libs/executor/src/scanoperator.c
index 788464ac66..e797508ec0 100644
--- a/source/libs/executor/src/scanoperator.c
+++ b/source/libs/executor/src/scanoperator.c
@@ -903,7 +903,6 @@ static SSDataBlock* doStreamBlockScan(SOperatorInfo* pOperator) {
   // NOTE: this operator does never check if current status is done or not
   SExecTaskInfo*        pTaskInfo = pOperator->pTaskInfo;
   SStreamBlockScanInfo* pInfo = pOperator->info;
-  int32_t               rows = 0;
 
   pTaskInfo->code = pOperator->fpSet._openFn(pOperator);
   if (pTaskInfo->code != TSDB_CODE_SUCCESS || pOperator->status == OP_EXEC_DONE) {
@@ -1023,9 +1022,6 @@ static SSDataBlock* doStreamBlockScan(SOperatorInfo* pOperator) {
         pTaskInfo->code = terrno;
         return NULL;
       }
-
-      rows = pBlockInfo->rows;
-
       // currently only the tbname pseudo column
       if (pInfo->numOfPseudoExpr > 0) {
         addTagPseudoColumnData(&pInfo->readHandle, pInfo->pPseudoExpr, pInfo->numOfPseudoExpr, pInfo->pRes);
@@ -1033,14 +1029,16 @@ static SSDataBlock* doStreamBlockScan(SOperatorInfo* pOperator) {
 
       doFilter(pInfo->pCondition, pInfo->pRes);
       blockDataUpdateTsWindow(pInfo->pRes, pInfo->primaryTsIndex);
-      break;
+      if (pBlockInfo->rows > 0) {
+        break;
+      }
     }
 
     // record the scan action.
     pInfo->numOfExec++;
     pOperator->resultInfo.totalRows += pBlockInfo->rows;
 
-    if (rows == 0) {
+    if (pBlockInfo->rows == 0) {
       pOperator->status = OP_EXEC_DONE;
     } else if (pInfo->pUpdateInfo) {
       pInfo->tsArrayIndex = 0;
@@ -1056,7 +1054,7 @@ static SSDataBlock* doStreamBlockScan(SOperatorInfo* pOperator) {
       }
     }
 
-    return (rows == 0) ? NULL : pInfo->pRes;
+    return (pBlockInfo->rows == 0) ? NULL : pInfo->pRes;
   }
 }
 
diff --git a/source/libs/executor/src/timewindowoperator.c b/source/libs/executor/src/timewindowoperator.c
index 63285daa3a..ad72fd26af 100644
--- a/source/libs/executor/src/timewindowoperator.c
+++ b/source/libs/executor/src/timewindowoperator.c
@@ -1270,7 +1270,8 @@ static int32_t getAllIntervalWindow(SHashObj* pHashMap, SArray* resWins) {
 }
 
 bool isCloseWindow(STimeWindow *pWin, STimeWindowAggSupp* pSup) {
-  return pWin->ekey < pSup->maxTs - pSup->waterMark;
+  ASSERT(pSup->maxTs == INT64_MIN || pSup->maxTs > 0);
+  return pSup->maxTs != INT64_MIN && pWin->ekey < pSup->maxTs - pSup->waterMark;
 }
 
 static int32_t closeIntervalWindow(SHashObj* pHashMap, STimeWindowAggSupp* pSup, SInterval* pInterval,
@@ -2141,7 +2142,9 @@ void compactFunctions(SqlFunctionCtx* pDestCtx, SqlFunctionCtx* pSourceCtx, int3
 static void rebuildIntervalWindow(SStreamFinalIntervalOperatorInfo* pInfo, SExprSupp* pSup, SArray* pWinArray, int32_t groupId,
                                   int32_t numOfOutput, SExecTaskInfo* pTaskInfo) {
   int32_t size = taosArrayGetSize(pWinArray);
-  ASSERT(pInfo->pChildren);
+  if (!pInfo->pChildren) {
+    return;
+  }
   for (int32_t i = 0; i < size; i++) {
     STimeWindow* pParentWin = taosArrayGet(pWinArray, i);
     SResultRow*  pCurResult = NULL;
@@ -2339,6 +2342,7 @@ static SSDataBlock* doStreamFinalIntervalAgg(SOperatorInfo* pOperator) {
       SStreamFinalIntervalOperatorInfo* pChInfo = pChildOp->info;
       setInputDataBlock(pChildOp, pChildOp->exprSupp.pCtx, pBlock, pChInfo->order, MAIN_SCAN, true);
       doHashInterval(pChildOp, pBlock, pBlock->info.groupId, NULL);
+      pChInfo->twAggSup.maxTs = TMAX(pChInfo->twAggSup.maxTs, pBlock->info.window.ekey);
     }
     maxTs = TMAX(maxTs, pBlock->info.window.ekey);
   }
@@ -2406,7 +2410,7 @@ SOperatorInfo* createStreamFinalIntervalOperatorInfo(SOperatorInfo* downstream,
   initResultRowInfo(&pInfo->binfo.resultRowInfo);
   pInfo->pChildren = NULL;
   if (numOfChild > 0) {
-    pInfo->pChildren = taosArrayInit(numOfChild, sizeof(SOperatorInfo));
+    pInfo->pChildren = taosArrayInit(numOfChild, sizeof(void *));
     for (int32_t i = 0; i < numOfChild; i++) {
       SOperatorInfo* pChildOp = createStreamFinalIntervalOperatorInfo(NULL, pPhyNode, pTaskInfo, 0);
       if (pChildOp) {
diff --git a/source/libs/nodes/src/nodesUtilFuncs.c b/source/libs/nodes/src/nodesUtilFuncs.c
index ebacf5574f..9b0241f2f1 100644
--- a/source/libs/nodes/src/nodesUtilFuncs.c
+++ b/source/libs/nodes/src/nodesUtilFuncs.c
@@ -655,7 +655,7 @@ void nodesDestroyNode(SNode* pNode) {
       break;
     case QUERY_NODE_SHOW_CREATE_TABLE_STMT:
     case QUERY_NODE_SHOW_CREATE_STABLE_STMT:
-      taosMemoryFreeClear(((SShowCreateTableStmt*)pNode)->pMeta);
+      taosMemoryFreeClear(((SShowCreateTableStmt*)pNode)->pCfg);
       break;
     case QUERY_NODE_SHOW_TABLE_DISTRIBUTED_STMT:  // no pointer field
     case QUERY_NODE_KILL_CONNECTION_STMT:         // no pointer field
diff --git a/source/libs/parser/inc/parUtil.h b/source/libs/parser/inc/parUtil.h
index e08f813c19..d06d6ec527 100644
--- a/source/libs/parser/inc/parUtil.h
+++ b/source/libs/parser/inc/parUtil.h
@@ -47,6 +47,7 @@ typedef struct SParseMetaCache {
   SHashObj* pUserAuth;     // key is SUserAuthInfo serialized string, element is bool indicating whether or not to pass
   SHashObj* pUdf;          // key is funcName, element is SFuncInfo*
   SHashObj* pTableIndex;   // key is tbFName, element is SArray<STableIndexInfo>*
+  SHashObj* pTableCfg;     // key is tbFName, element is STableCfg*
   SArray*   pDnodes;       // element is SEpSet
   bool      dnodeRequired;
 } SParseMetaCache;
@@ -79,6 +80,7 @@ int32_t reserveUserAuthInCache(int32_t acctId, const char* pUser, const char* pD
 int32_t reserveUserAuthInCacheExt(const char* pUser, const SName* pName, AUTH_TYPE type, SParseMetaCache* pMetaCache);
 int32_t reserveUdfInCache(const char* pFunc, SParseMetaCache* pMetaCache);
 int32_t reserveTableIndexInCache(int32_t acctId, const char* pDb, const char* pTable, SParseMetaCache* pMetaCache);
+int32_t reserveTableCfgInCache(int32_t acctId, const char* pDb, const char* pTable, SParseMetaCache* pMetaCache);
 int32_t reserveDnodeRequiredInCache(SParseMetaCache* pMetaCache);
 int32_t getTableMetaFromCache(SParseMetaCache* pMetaCache, const SName* pName, STableMeta** pMeta);
 int32_t getDbVgInfoFromCache(SParseMetaCache* pMetaCache, const char* pDbFName, SArray** pVgInfo);
@@ -90,6 +92,7 @@ int32_t getUserAuthFromCache(SParseMetaCache* pMetaCache, const char* pUser, con
                              bool* pPass);
 int32_t getUdfInfoFromCache(SParseMetaCache* pMetaCache, const char* pFunc, SFuncInfo* pInfo);
 int32_t getTableIndexFromCache(SParseMetaCache* pMetaCache, const SName* pName, SArray** pIndexes);
+int32_t getTableCfgFromCache(SParseMetaCache* pMetaCache, const SName* pName, STableCfg** pOutput);
 int32_t getDnodeListFromCache(SParseMetaCache* pMetaCache, SArray** pDnodes);
 void    destoryParseMetaCache(SParseMetaCache* pMetaCache);
 
diff --git a/source/libs/parser/src/parAstParser.c b/source/libs/parser/src/parAstParser.c
index 131eccae24..46d2ae8383 100644
--- a/source/libs/parser/src/parAstParser.c
+++ b/source/libs/parser/src/parAstParser.c
@@ -411,7 +411,14 @@ static int32_t collectMetaKeyFromShowCreateDatabase(SCollectMetaKeyCxt* pCxt, SS
 }
 
 static int32_t collectMetaKeyFromShowCreateTable(SCollectMetaKeyCxt* pCxt, SShowCreateTableStmt* pStmt) {
-  return reserveTableMetaInCache(pCxt->pParseCxt->acctId, pStmt->dbName, pStmt->tableName, pCxt->pMetaCache);
+  SName name = {.type = TSDB_TABLE_NAME_T, .acctId = pCxt->pParseCxt->acctId};
+  strcpy(name.dbname, pStmt->dbName);
+  strcpy(name.tname, pStmt->tableName);
+  int32_t code = catalogRemoveTableMeta(pCxt->pParseCxt->pCatalog, &name);
+  if (TSDB_CODE_SUCCESS == code) {
+    code = reserveTableCfgInCache(pCxt->pParseCxt->acctId, pStmt->dbName, pStmt->tableName, pCxt->pMetaCache);
+  }
+  return code;
 }
 
 static int32_t collectMetaKeyFromShowApps(SCollectMetaKeyCxt* pCxt, SShowStmt* pStmt) {
diff --git a/source/libs/parser/src/parInsert.c b/source/libs/parser/src/parInsert.c
index 43c1f211d3..5d34250444 100644
--- a/source/libs/parser/src/parInsert.c
+++ b/source/libs/parser/src/parInsert.c
@@ -1081,15 +1081,6 @@ end:
   return code;
 }
 
-static int32_t cloneTableMeta(STableMeta* pSrc, STableMeta** pDst) {
-  *pDst = taosMemoryMalloc(TABLE_META_SIZE(pSrc));
-  if (NULL == *pDst) {
-    return TSDB_CODE_TSC_OUT_OF_MEMORY;
-  }
-  memcpy(*pDst, pSrc, TABLE_META_SIZE(pSrc));
-  return TSDB_CODE_SUCCESS;
-}
-
 static int32_t storeTableMeta(SInsertParseContext* pCxt, SHashObj* pHash, SName* pTableName, const char* pName,
                               int32_t len, STableMeta* pMeta) {
   SVgroupInfo vg;
diff --git a/source/libs/parser/src/parTranslater.c b/source/libs/parser/src/parTranslater.c
index fa0a66820f..a267e0b55d 100644
--- a/source/libs/parser/src/parTranslater.c
+++ b/source/libs/parser/src/parTranslater.c
@@ -133,6 +133,30 @@ static int32_t getTableMeta(STranslateContext* pCxt, const char* pDbName, const
   return getTableMetaImpl(pCxt, toName(pCxt->pParseCxt->acctId, pDbName, pTableName, &name), pMeta);
 }
 
+static int32_t getTableCfg(STranslateContext* pCxt, const SName* pName, STableCfg** pCfg) {
+  SParseContext* pParCxt = pCxt->pParseCxt;
+  int32_t        code = collectUseDatabase(pName, pCxt->pDbs);
+  if (TSDB_CODE_SUCCESS == code) {
+    code = collectUseTable(pName, pCxt->pTables);
+  }
+  if (TSDB_CODE_SUCCESS == code) {
+    if (pParCxt->async) {
+      code = getTableCfgFromCache(pCxt->pMetaCache, pName, pCfg);
+    } else {
+      SRequestConnInfo conn = {.pTrans = pParCxt->pTransporter,
+                               .requestId = pParCxt->requestId,
+                               .requestObjRefId = pParCxt->requestRid,
+                               .mgmtEps = pParCxt->mgmtEpSet};
+      code = catalogRefreshGetTableCfg(pParCxt->pCatalog, &conn, pName, pCfg);
+    }
+  }
+  if (TSDB_CODE_SUCCESS != code) {
+    parserError("catalogRefreshGetTableCfg error, code:%s, dbName:%s, tbName:%s", tstrerror(code), pName->dbname,
+                pName->tname);
+  }
+  return code;
+}
+
 static int32_t refreshGetTableMeta(STranslateContext* pCxt, const char* pDbName, const char* pTableName,
                                    STableMeta** pMeta) {
   SParseContext* pParCxt = pCxt->pParseCxt;
@@ -3503,13 +3527,24 @@ static int32_t buildRollupAst(STranslateContext* pCxt, SCreateTableStmt* pStmt,
   return code;
 }
 
+static int32_t buildRollupFuncs(SNodeList* pFuncs, SArray** pArray) {
+  if (NULL == pFuncs) {
+    return TSDB_CODE_SUCCESS;
+  }
+  *pArray = taosArrayInit(LIST_LENGTH(pFuncs), TSDB_FUNC_NAME_LEN);
+  SNode* pNode;
+  FOREACH(pNode, pFuncs) {
+    taosArrayPush(*pArray, ((SFunctionNode*)pNode)->functionName);
+  }
+  return TSDB_CODE_SUCCESS;
+}
+
 static int32_t buildCreateStbReq(STranslateContext* pCxt, SCreateTableStmt* pStmt, SMCreateStbReq* pReq) {
   pReq->igExists = pStmt->ignoreExists;
   pReq->delay1 = pStmt->pOptions->maxDelay1;
   pReq->delay2 = pStmt->pOptions->maxDelay2;
   pReq->watermark1 = pStmt->pOptions->watermark1;
   pReq->watermark2 = pStmt->pOptions->watermark2;
-  //  pReq->ttl = pStmt->pOptions->ttl;
   columnDefNodeToField(pStmt->pCols, &pReq->pColumns);
   columnDefNodeToField(pStmt->pTags, &pReq->pTags);
   pReq->numOfColumns = LIST_LENGTH(pStmt->pCols);
@@ -3523,6 +3558,7 @@ static int32_t buildCreateStbReq(STranslateContext* pCxt, SCreateTableStmt* pStm
   } else {
     pReq->commentLen = -1;
   }
+  buildRollupFuncs(pStmt->pOptions->pRollupFuncs, &pReq->pFuncs);
 
   SName tableName;
   tNameExtractFullName(toName(pCxt->pParseCxt->acctId, pStmt->dbName, pStmt->tableName, &tableName), pReq->name);
@@ -4296,7 +4332,10 @@ static int32_t translateShowCreateDatabase(STranslateContext* pCxt, SShowCreateD
 }
 
 static int32_t translateShowCreateTable(STranslateContext* pCxt, SShowCreateTableStmt* pStmt) {
-  return getTableMeta(pCxt, pStmt->dbName, pStmt->tableName, &pStmt->pMeta);
+  SName name;
+  toName(pCxt->pParseCxt->acctId, pStmt->dbName, pStmt->tableName, &name);
+
+  return getTableCfg(pCxt, &name, (STableCfg**)&pStmt->pCfg);
 }
 
 static int32_t translateQuery(STranslateContext* pCxt, SNode* pNode) {
diff --git a/source/libs/parser/src/parUtil.c b/source/libs/parser/src/parUtil.c
index 51e0dd58d8..b474d95b3c 100644
--- a/source/libs/parser/src/parUtil.c
+++ b/source/libs/parser/src/parUtil.c
@@ -561,6 +561,9 @@ int32_t buildCatalogReq(const SParseMetaCache* pMetaCache, SCatalogReq* pCatalog
   if (TSDB_CODE_SUCCESS == code) {
     code = buildTableReq(pMetaCache->pTableIndex, &pCatalogReq->pTableIndex);
   }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = buildTableReq(pMetaCache->pTableCfg, &pCatalogReq->pTableCfg);
+  }
   pCatalogReq->dNodeRequired = pMetaCache->dnodeRequired;
   return code;
 }
@@ -657,6 +660,9 @@ int32_t putMetaDataToCache(const SCatalogReq* pCatalogReq, const SMetaData* pMet
   if (TSDB_CODE_SUCCESS == code) {
     code = putTableDataToCache(pCatalogReq->pTableIndex, pMetaData->pTableIndex, &pMetaCache->pTableIndex);
   }
+  if (TSDB_CODE_SUCCESS == code) {
+    code = putTableDataToCache(pCatalogReq->pTableCfg, pMetaData->pTableCfg, &pMetaCache->pTableCfg);
+  }
   pMetaCache->pDnodes = pMetaData->pDnodeList;
   return code;
 }
@@ -863,6 +869,10 @@ int32_t reserveTableIndexInCache(int32_t acctId, const char* pDb, const char* pT
   return reserveTableReqInCache(acctId, pDb, pTable, &pMetaCache->pTableIndex);
 }
 
+int32_t reserveTableCfgInCache(int32_t acctId, const char* pDb, const char* pTable, SParseMetaCache* pMetaCache) {
+  return reserveTableReqInCache(acctId, pDb, pTable, &pMetaCache->pTableCfg);
+}
+
 int32_t getTableIndexFromCache(SParseMetaCache* pMetaCache, const SName* pName, SArray** pIndexes) {
   char fullName[TSDB_TABLE_FNAME_LEN];
   tNameExtractFullName(pName, fullName);
@@ -877,6 +887,41 @@ int32_t getTableIndexFromCache(SParseMetaCache* pMetaCache, const SName* pName,
   return code;
 }
 
+STableCfg* tableCfgDup(STableCfg* pCfg) {
+  STableCfg* pNew = taosMemoryMalloc(sizeof(*pNew));
+
+  memcpy(pNew, pCfg, sizeof(*pNew));
+  if (pNew->pComment) {
+    pNew->pComment = strdup(pNew->pComment);
+  }
+  if (pNew->pFuncs) {
+    pNew->pFuncs = taosArrayDup(pNew->pFuncs);
+  }
+  
+  int32_t schemaSize = (pCfg->numOfColumns + pCfg->numOfTags) * sizeof(SSchema);
+
+  SSchema* pSchema = taosMemoryMalloc(schemaSize);
+  memcpy(pSchema, pCfg->pSchemas, schemaSize);
+
+  pNew->pSchemas = pSchema;
+
+  return pNew;
+}
+
+int32_t getTableCfgFromCache(SParseMetaCache* pMetaCache, const SName* pName, STableCfg** pOutput) {
+  char fullName[TSDB_TABLE_FNAME_LEN];
+  tNameExtractFullName(pName, fullName);
+  STableCfg* pCfg = NULL;
+  int32_t code = getMetaDataFromHash(fullName, strlen(fullName), pMetaCache->pTableCfg, (void**)&pCfg);
+  if (TSDB_CODE_SUCCESS == code) {
+    *pOutput = tableCfgDup(pCfg);
+    if (NULL == *pOutput) {
+      code = TSDB_CODE_OUT_OF_MEMORY;
+    }
+  }
+  return code;
+}
+
 int32_t reserveDnodeRequiredInCache(SParseMetaCache* pMetaCache) {
   pMetaCache->dnodeRequired = true;
   return TSDB_CODE_SUCCESS;
@@ -899,4 +944,5 @@ void destoryParseMetaCache(SParseMetaCache* pMetaCache) {
   taosHashCleanup(pMetaCache->pUserAuth);
   taosHashCleanup(pMetaCache->pUdf);
   taosHashCleanup(pMetaCache->pTableIndex);
+  taosHashCleanup(pMetaCache->pTableCfg);
 }
diff --git a/source/libs/parser/test/mockCatalog.cpp b/source/libs/parser/test/mockCatalog.cpp
index 0213a3a854..8802f91bdf 100644
--- a/source/libs/parser/test/mockCatalog.cpp
+++ b/source/libs/parser/test/mockCatalog.cpp
@@ -261,6 +261,11 @@ int32_t __catalogGetDnodeList(SCatalog* pCatalog, SRequestConnInfo* pConn, SArra
   return g_mockCatalogService->catalogGetDnodeList(pDnodeList);
 }
 
+int32_t __catalogRefreshGetTableCfg(SCatalog* pCtg, SRequestConnInfo *pConn, const SName* pTableName, STableCfg** pCfg) {
+  *pCfg = (STableCfg*)taosMemoryCalloc(1, sizeof(STableCfg));
+  return 0;
+}
+
 void initMetaDataEnv() {
   g_mockCatalogService.reset(new MockCatalogService());
 
@@ -279,6 +284,7 @@ void initMetaDataEnv() {
   stub.set(catalogRemoveTableMeta, __catalogRemoveTableMeta);
   stub.set(catalogGetTableIndex, __catalogGetTableIndex);
   stub.set(catalogGetDnodeList, __catalogGetDnodeList);
+  stub.set(catalogRefreshGetTableCfg, __catalogRefreshGetTableCfg);
   // {
   //   AddrAny any("libcatalog.so");
   //   std::map<std::string,void*> result;
diff --git a/source/libs/parser/test/mockCatalogService.cpp b/source/libs/parser/test/mockCatalogService.cpp
index 7915c32437..1f7657146b 100644
--- a/source/libs/parser/test/mockCatalogService.cpp
+++ b/source/libs/parser/test/mockCatalogService.cpp
@@ -199,6 +199,9 @@ class MockCatalogServiceImpl {
     if (TSDB_CODE_SUCCESS == code && pCatalogReq->dNodeRequired) {
       code = catalogGetDnodeList(&pMetaData->pDnodeList);
     }
+    if (TSDB_CODE_SUCCESS == code) {
+      code = getAllTableCfg(pCatalogReq->pTableCfg, &pMetaData->pTableCfg);
+    }
     return code;
   }
 
@@ -545,6 +548,20 @@ class MockCatalogServiceImpl {
     return TSDB_CODE_SUCCESS;
   }
 
+  int32_t getAllTableCfg(SArray* pTableCfgReq, SArray** pTableCfgData) const {
+    if (NULL != pTableCfgReq) {
+      int32_t ntables = taosArrayGetSize(pTableCfgReq);
+      *pTableCfgData = taosArrayInit(ntables, sizeof(SMetaRes));
+      for (int32_t i = 0; i < ntables; ++i) {
+        SMetaRes res = {0};
+        res.pRes = taosMemoryCalloc(1, sizeof(STableCfg));
+        res.code = TSDB_CODE_SUCCESS;
+        taosArrayPush(*pTableCfgData, &res);
+      }
+    }
+    return TSDB_CODE_SUCCESS;
+  }
+
   uint64_t                      id_;
   std::unique_ptr<TableBuilder> builder_;
   DbMetaCache                   meta_;
diff --git a/source/libs/parser/test/parShowToUse.cpp b/source/libs/parser/test/parShowToUse.cpp
index 1a68e80872..81a09114e3 100644
--- a/source/libs/parser/test/parShowToUse.cpp
+++ b/source/libs/parser/test/parShowToUse.cpp
@@ -45,7 +45,7 @@ TEST_F(ParserShowToUseTest, showCreateSTable) {
     ASSERT_EQ(nodeType(pQuery->pRoot), QUERY_NODE_SHOW_CREATE_STABLE_STMT);
     ASSERT_EQ(pQuery->execMode, QUERY_EXEC_MODE_LOCAL);
     ASSERT_TRUE(pQuery->haveResultSet);
-    ASSERT_NE(((SShowCreateTableStmt*)pQuery->pRoot)->pMeta, nullptr);
+    ASSERT_NE(((SShowCreateTableStmt*)pQuery->pRoot)->pCfg, nullptr);
   });
 
   run("SHOW CREATE STABLE st1");
@@ -58,7 +58,7 @@ TEST_F(ParserShowToUseTest, showCreateTable) {
     ASSERT_EQ(nodeType(pQuery->pRoot), QUERY_NODE_SHOW_CREATE_TABLE_STMT);
     ASSERT_EQ(pQuery->execMode, QUERY_EXEC_MODE_LOCAL);
     ASSERT_TRUE(pQuery->haveResultSet);
-    ASSERT_NE(((SShowCreateTableStmt*)pQuery->pRoot)->pMeta, nullptr);
+    ASSERT_NE(((SShowCreateTableStmt*)pQuery->pRoot)->pCfg, nullptr);
   });
 
   run("SHOW CREATE TABLE t1");
diff --git a/source/libs/qcom/src/queryUtil.c b/source/libs/qcom/src/queryUtil.c
index 2120d24d26..c807c1c4cd 100644
--- a/source/libs/qcom/src/queryUtil.c
+++ b/source/libs/qcom/src/queryUtil.c
@@ -19,6 +19,7 @@
 #include "tmsg.h"
 #include "trpc.h"
 #include "tsched.h"
+#include "cJSON.h"
 
 #define VALIDNUMOFCOLS(x) ((x) >= TSDB_MIN_COLUMNS && (x) <= TSDB_MAX_COLUMNS)
 #define VALIDNUMOFTAGS(x) ((x) >= 0 && (x) <= TSDB_MAX_TAGS)
@@ -220,3 +221,209 @@ void destroyQueryExecRes(SQueryExecRes* pRes) {
       qError("invalid exec result for request type %d", pRes->msgType);
   }
 }
+
+int32_t dataConverToStr(char *str, int type, void *buf, int32_t bufSize, int32_t *len) {
+  int32_t n = 0;
+
+  switch (type) {
+    case TSDB_DATA_TYPE_NULL:
+      n = sprintf(str, "null");
+      break;
+
+    case TSDB_DATA_TYPE_BOOL:
+      n = sprintf(str, (*(int8_t*)buf) ? "true" : "false");
+      break;
+
+    case TSDB_DATA_TYPE_TINYINT:
+      n = sprintf(str, "%d", *(int8_t*)buf);
+      break;
+
+    case TSDB_DATA_TYPE_SMALLINT:
+      n = sprintf(str, "%d", *(int16_t*)buf);
+      break;
+
+    case TSDB_DATA_TYPE_INT:
+      n = sprintf(str, "%d", *(int32_t*)buf);
+      break;
+
+    case TSDB_DATA_TYPE_BIGINT:
+    case TSDB_DATA_TYPE_TIMESTAMP:
+      n = sprintf(str, "%" PRId64, *(int64_t*)buf);
+      break;
+
+    case TSDB_DATA_TYPE_FLOAT:
+      n = sprintf(str, "%e", GET_FLOAT_VAL(buf));
+      break;
+
+    case TSDB_DATA_TYPE_DOUBLE:
+      n = sprintf(str, "%e", GET_DOUBLE_VAL(buf));
+      break;
+
+    case TSDB_DATA_TYPE_BINARY:
+    case TSDB_DATA_TYPE_NCHAR:
+      if (bufSize < 0) {
+//        tscError("invalid buf size");
+        return TSDB_CODE_TSC_INVALID_VALUE;
+      }
+
+      *str = '"';
+      memcpy(str + 1, buf, bufSize);
+      *(str + bufSize + 1) = '"';
+      n = bufSize + 2;
+      break;
+
+    case TSDB_DATA_TYPE_UTINYINT:
+      n = sprintf(str, "%d", *(uint8_t*)buf);
+      break;
+
+    case TSDB_DATA_TYPE_USMALLINT:
+      n = sprintf(str, "%d", *(uint16_t*)buf);
+      break;
+
+    case TSDB_DATA_TYPE_UINT:
+      n = sprintf(str, "%u", *(uint32_t*)buf);
+      break;
+
+    case TSDB_DATA_TYPE_UBIGINT:
+      n = sprintf(str, "%" PRIu64, *(uint64_t*)buf);
+      break;
+
+    default:
+//      tscError("unsupported type:%d", type);
+      return TSDB_CODE_TSC_INVALID_VALUE;
+  }
+
+  *len = n;
+
+  return TSDB_CODE_SUCCESS;
+}
+
+char* parseTagDatatoJson(void* p) {
+  char*  string = NULL;
+  cJSON* json = cJSON_CreateObject();
+  if (json == NULL) {
+    goto end;
+  }
+
+  SArray* pTagVals = NULL;
+  if (tTagToValArray((const STag*)p, &pTagVals) != 0) {
+    goto end;
+  }
+
+  int16_t nCols = taosArrayGetSize(pTagVals);
+  char    tagJsonKey[256] = {0};
+  for (int j = 0; j < nCols; ++j) {
+    STagVal* pTagVal = (STagVal*)taosArrayGet(pTagVals, j);
+    // json key  encode by binary
+    memset(tagJsonKey, 0, sizeof(tagJsonKey));
+    memcpy(tagJsonKey, pTagVal->pKey, strlen(pTagVal->pKey));
+    // json value
+    char type = pTagVal->type;
+    if (type == TSDB_DATA_TYPE_NULL) {
+      cJSON* value = cJSON_CreateNull();
+      if (value == NULL) {
+        goto end;
+      }
+      cJSON_AddItemToObject(json, tagJsonKey, value);
+    } else if (type == TSDB_DATA_TYPE_NCHAR) {
+      cJSON* value = NULL;
+      if (pTagVal->nData > 0) {
+        char*   tagJsonValue = taosMemoryCalloc(pTagVal->nData, 1);
+        int32_t length = taosUcs4ToMbs((TdUcs4*)pTagVal->pData, pTagVal->nData, tagJsonValue);
+        if (length < 0) {
+          qError("charset:%s to %s. val:%s convert json value failed.", DEFAULT_UNICODE_ENCODEC, tsCharset,
+                   pTagVal->pData);
+          taosMemoryFree(tagJsonValue);
+          goto end;
+        }
+        value = cJSON_CreateString(tagJsonValue);
+        taosMemoryFree(tagJsonValue);
+        if (value == NULL) {
+          goto end;
+        }
+      } else if (pTagVal->nData == 0) {
+        value = cJSON_CreateString("");
+      } else {
+        ASSERT(0);
+      }
+
+      cJSON_AddItemToObject(json, tagJsonKey, value);
+    } else if (type == TSDB_DATA_TYPE_DOUBLE) {
+      double jsonVd = *(double*)(&pTagVal->i64);
+      cJSON* value = cJSON_CreateNumber(jsonVd);
+      if (value == NULL) {
+        goto end;
+      }
+      cJSON_AddItemToObject(json, tagJsonKey, value);
+    } else if (type == TSDB_DATA_TYPE_BOOL) {
+      char   jsonVd = *(char*)(&pTagVal->i64);
+      cJSON* value = cJSON_CreateBool(jsonVd);
+      if (value == NULL) {
+        goto end;
+      }
+      cJSON_AddItemToObject(json, tagJsonKey, value);
+    } else {
+      ASSERT(0);
+    }
+  }
+  string = cJSON_PrintUnformatted(json);
+end:
+  cJSON_Delete(json);
+  return string;
+}
+
+
+int32_t cloneTableMeta(STableMeta* pSrc, STableMeta** pDst) {
+  if (NULL == pSrc) {
+    *pDst = NULL;
+    return TSDB_CODE_SUCCESS;
+  }
+
+  int32_t metaSize = (pSrc->tableInfo.numOfColumns + pSrc->tableInfo.numOfTags) * sizeof(SSchema);
+  *pDst = taosMemoryMalloc(metaSize);
+  if (NULL == *pDst) {
+    return TSDB_CODE_TSC_OUT_OF_MEMORY;
+  }
+  memcpy(*pDst, pSrc, metaSize);
+  return TSDB_CODE_SUCCESS;
+}
+
+int32_t cloneDbVgInfo(SDBVgInfo* pSrc, SDBVgInfo** pDst) {
+  if (NULL == pSrc) {
+    *pDst = NULL;
+    return TSDB_CODE_SUCCESS;
+  }
+  
+  *pDst = taosMemoryMalloc(sizeof(*pSrc));
+  if (NULL == *pDst) {
+    return TSDB_CODE_TSC_OUT_OF_MEMORY;
+  }
+  memcpy(*pDst, pSrc, sizeof(*pSrc));
+  if (pSrc->vgHash) {
+    (*pDst)->vgHash = taosHashInit(taosHashGetSize(pSrc->vgHash), taosGetDefaultHashFunction(TSDB_DATA_TYPE_INT), true, HASH_ENTRY_LOCK);
+    if (NULL == (*pDst)->vgHash) {
+      return TSDB_CODE_TSC_OUT_OF_MEMORY;
+    }
+
+    SVgroupInfo* vgInfo = NULL;
+    void *pIter = taosHashIterate(pSrc->vgHash, NULL);
+    while (pIter) {
+      vgInfo = pIter;
+      int32_t* vgId = taosHashGetKey(pIter, NULL);
+      
+      if (0 != taosHashPut((*pDst)->vgHash, vgId, sizeof(*vgId), vgInfo, sizeof(*vgInfo))) {
+        qError("taosHashPut failed, vgId:%d", vgInfo->vgId);
+        taosHashCancelIterate(pSrc->vgHash, pIter);    
+        taosHashCleanup((*pDst)->vgHash);
+        taosMemoryFreeClear(*pDst);
+        return TSDB_CODE_CTG_MEM_ERROR;
+      }
+      
+      pIter = taosHashIterate(pSrc->vgHash, pIter);
+    }
+  }
+  
+  return TSDB_CODE_SUCCESS;
+}
+
+
diff --git a/source/libs/qcom/src/querymsg.c b/source/libs/qcom/src/querymsg.c
index e4c5545205..b7d3900d02 100644
--- a/source/libs/qcom/src/querymsg.c
+++ b/source/libs/qcom/src/querymsg.c
@@ -63,7 +63,7 @@ int32_t queryBuildUseDbOutput(SUseDbOutput *pOut, SUseDbRsp *usedbRsp) {
 }
 
 int32_t queryBuildTableMetaReqMsg(void *input, char **msg, int32_t msgSize, int32_t *msgLen, void*(*mallcFp)(int32_t)) {
-  SBuildTableMetaInput *pInput = input;
+  SBuildTableInput *pInput = input;
   if (NULL == input || NULL == msg || NULL == msgLen) {
     return TSDB_CODE_TSC_INVALID_INPUT;
   }
@@ -233,6 +233,27 @@ int32_t queryBuildGetTbIndexMsg(void *input, char **msg, int32_t msgSize, int32_
   return TSDB_CODE_SUCCESS;
 }
 
+int32_t queryBuildGetTbCfgMsg(void *input, char **msg, int32_t msgSize, int32_t *msgLen, void*(*mallcFp)(int32_t)) {
+  if (NULL == msg || NULL == msgLen) {
+    return TSDB_CODE_TSC_INVALID_INPUT;
+  }
+
+  SBuildTableInput *pInput = input;
+  STableCfgReq cfgReq = {0};
+  cfgReq.header.vgId = pInput->vgId;
+  strcpy(cfgReq.dbFName, pInput->dbFName);
+  strcpy(cfgReq.tbName, pInput->tbName);
+
+  int32_t bufLen = tSerializeSTableCfgReq(NULL, 0, &cfgReq);
+  void   *pBuf = (*mallcFp)(bufLen);
+  tSerializeSTableCfgReq(pBuf, bufLen, &cfgReq);
+
+  *msg = pBuf;
+  *msgLen = bufLen;
+
+  return TSDB_CODE_SUCCESS;
+}
+
 
 int32_t queryProcessUseDBRsp(void *output, char *msg, int32_t msgSize) {
   SUseDbOutput *pOut = output;
@@ -527,6 +548,21 @@ int32_t queryProcessGetTbIndexRsp(void *output, char *msg, int32_t msgSize) {
   return TSDB_CODE_SUCCESS;
 }
 
+int32_t queryProcessGetTbCfgRsp(void *output, char *msg, int32_t msgSize) {
+  if (NULL == output || NULL == msg || msgSize <= 0) {
+    return TSDB_CODE_TSC_INVALID_INPUT;
+  }
+
+  STableCfgRsp *out = taosMemoryCalloc(1, sizeof(STableCfgRsp));
+  if (tDeserializeSTableCfgRsp(msg, msgSize, out) != 0) {
+    qError("tDeserializeSTableCfgRsp failed, msgSize:%d", msgSize);
+    return TSDB_CODE_INVALID_MSG;
+  }
+
+  *(STableCfgRsp**)output = out;
+  
+  return TSDB_CODE_SUCCESS;
+}
 
 void initQueryModuleMsgHandle() {
   queryBuildMsg[TMSG_INDEX(TDMT_VND_TABLE_META)]       = queryBuildTableMetaReqMsg;
@@ -539,6 +575,8 @@ void initQueryModuleMsgHandle() {
   queryBuildMsg[TMSG_INDEX(TDMT_MND_RETRIEVE_FUNC)]    = queryBuildRetrieveFuncMsg;
   queryBuildMsg[TMSG_INDEX(TDMT_MND_GET_USER_AUTH)]    = queryBuildGetUserAuthMsg;
   queryBuildMsg[TMSG_INDEX(TDMT_MND_GET_TABLE_INDEX)]  = queryBuildGetTbIndexMsg;
+  queryBuildMsg[TMSG_INDEX(TDMT_VND_TABLE_CFG)]        = queryBuildGetTbCfgMsg;
+  queryBuildMsg[TMSG_INDEX(TDMT_MND_TABLE_CFG)]        = queryBuildGetTbCfgMsg;
 
   queryProcessMsgRsp[TMSG_INDEX(TDMT_VND_TABLE_META)]      = queryProcessTableMetaRsp;
   queryProcessMsgRsp[TMSG_INDEX(TDMT_MND_TABLE_META)]      = queryProcessTableMetaRsp;
@@ -550,6 +588,8 @@ void initQueryModuleMsgHandle() {
   queryProcessMsgRsp[TMSG_INDEX(TDMT_MND_RETRIEVE_FUNC)]   = queryProcessRetrieveFuncRsp;
   queryProcessMsgRsp[TMSG_INDEX(TDMT_MND_GET_USER_AUTH)]   = queryProcessGetUserAuthRsp;
   queryProcessMsgRsp[TMSG_INDEX(TDMT_MND_GET_TABLE_INDEX)] = queryProcessGetTbIndexRsp;
+  queryProcessMsgRsp[TMSG_INDEX(TDMT_VND_TABLE_CFG)]       = queryProcessGetTbCfgRsp;
+  queryProcessMsgRsp[TMSG_INDEX(TDMT_MND_TABLE_CFG)]       = queryProcessGetTbCfgRsp;
 }
 
 #pragma GCC diagnostic pop
diff --git a/source/libs/sync/inc/syncInt.h b/source/libs/sync/inc/syncInt.h
index 999147eda4..1bd0671fb5 100644
--- a/source/libs/sync/inc/syncInt.h
+++ b/source/libs/sync/inc/syncInt.h
@@ -197,6 +197,7 @@ int32_t syncNodeSendMsgByInfo(const SNodeInfo* nodeInfo, SSyncNode* pSyncNode, S
 cJSON*  syncNode2Json(const SSyncNode* pSyncNode);
 char*   syncNode2Str(const SSyncNode* pSyncNode);
 void    syncNodeEventLog(const SSyncNode* pSyncNode, char* str);
+void    syncNodeErrorLog(const SSyncNode* pSyncNode, char* str);
 char*   syncNode2SimpleStr(const SSyncNode* pSyncNode);
 bool    syncNodeInConfig(SSyncNode* pSyncNode, const SSyncCfg* config);
 void    syncNodeDoConfigChange(SSyncNode* pSyncNode, SSyncCfg* newConfig, SyncIndex lastConfigChangeIndex);
diff --git a/source/libs/sync/src/syncAppendEntries.c b/source/libs/sync/src/syncAppendEntries.c
index d2726201cc..c51cbc0513 100644
--- a/source/libs/sync/src/syncAppendEntries.c
+++ b/source/libs/sync/src/syncAppendEntries.c
@@ -99,19 +99,25 @@ int32_t syncNodeOnAppendEntriesCb(SSyncNode* ths, SyncAppendEntries* pMsg) {
   if (pMsg->term > ths->pRaftStore->currentTerm) {
     syncNodeUpdateTerm(ths, pMsg->term);
   }
-  assert(pMsg->term <= ths->pRaftStore->currentTerm);
+  ASSERT(pMsg->term <= ths->pRaftStore->currentTerm);
 
   // reset elect timer
   if (pMsg->term == ths->pRaftStore->currentTerm) {
     ths->leaderCache = pMsg->srcId;
     syncNodeResetElectTimer(ths);
   }
-  assert(pMsg->dataLen >= 0);
+  ASSERT(pMsg->dataLen >= 0);
 
   SyncTerm localPreLogTerm = 0;
   if (pMsg->prevLogIndex >= SYNC_INDEX_BEGIN && pMsg->prevLogIndex <= ths->pLogStore->getLastIndex(ths->pLogStore)) {
     SSyncRaftEntry* pEntry = ths->pLogStore->getEntry(ths->pLogStore, pMsg->prevLogIndex);
-    assert(pEntry != NULL);
+    if (pEntry == NULL) {
+      char logBuf[128];
+      snprintf(logBuf, sizeof(logBuf), "getEntry error, index:%ld, since %s", pMsg->prevLogIndex, terrstr());
+      syncNodeErrorLog(ths, logBuf);
+      return -1;
+    }
+
     localPreLogTerm = pEntry->term;
     syncEntryDestory(pEntry);
   }
@@ -160,7 +166,7 @@ int32_t syncNodeOnAppendEntriesCb(SSyncNode* ths, SyncAppendEntries* pMsg) {
   // accept request
   if (pMsg->term == ths->pRaftStore->currentTerm && ths->state == TAOS_SYNC_STATE_FOLLOWER && logOK) {
     // preIndex = -1, or has preIndex entry in local log
-    assert(pMsg->prevLogIndex <= ths->pLogStore->getLastIndex(ths->pLogStore));
+    ASSERT(pMsg->prevLogIndex <= ths->pLogStore->getLastIndex(ths->pLogStore));
 
     // has extra entries (> preIndex) in local log
     bool hasExtraEntries = pMsg->prevLogIndex < ths->pLogStore->getLastIndex(ths->pLogStore);
@@ -179,13 +185,21 @@ int32_t syncNodeOnAppendEntriesCb(SSyncNode* ths, SyncAppendEntries* pMsg) {
 
       SyncIndex       extraIndex = pMsg->prevLogIndex + 1;
       SSyncRaftEntry* pExtraEntry = ths->pLogStore->getEntry(ths->pLogStore, extraIndex);
-      assert(pExtraEntry != NULL);
+      if (pExtraEntry == NULL) {
+        char logBuf[128];
+        snprintf(logBuf, sizeof(logBuf), "getEntry error2, index:%ld, since %s", extraIndex, terrstr());
+        syncNodeErrorLog(ths, logBuf);
+        return -1;
+      }
 
       SSyncRaftEntry* pAppendEntry = syncEntryDeserialize(pMsg->data, pMsg->dataLen);
-      assert(pAppendEntry != NULL);
+      if (pAppendEntry == NULL) {
+        syncNodeErrorLog(ths, "syncEntryDeserialize pAppendEntry error");
+        return -1;
+      }
 
       // log not match, conflict
-      assert(extraIndex == pAppendEntry->index);
+      ASSERT(extraIndex == pAppendEntry->index);
       if (pExtraEntry->term != pAppendEntry->term) {
         conflict = true;
       }
@@ -201,7 +215,12 @@ int32_t syncNodeOnAppendEntriesCb(SSyncNode* ths, SyncAppendEntries* pMsg) {
         for (SyncIndex index = delEnd; index >= delBegin; --index) {
           if (ths->pFsm->FpRollBackCb != NULL) {
             SSyncRaftEntry* pRollBackEntry = ths->pLogStore->getEntry(ths->pLogStore, index);
-            assert(pRollBackEntry != NULL);
+            if (pRollBackEntry == NULL) {
+              char logBuf[128];
+              snprintf(logBuf, sizeof(logBuf), "getEntry error3, index:%ld, since %s", index, terrstr());
+              syncNodeErrorLog(ths, logBuf);
+              return -1;
+            }
 
             // if (pRollBackEntry->msgType != TDMT_SYNC_NOOP) {
             if (syncUtilUserRollback(pRollBackEntry->msgType)) {
@@ -257,7 +276,10 @@ int32_t syncNodeOnAppendEntriesCb(SSyncNode* ths, SyncAppendEntries* pMsg) {
 
     } else if (!hasExtraEntries && hasAppendEntries) {
       SSyncRaftEntry* pAppendEntry = syncEntryDeserialize(pMsg->data, pMsg->dataLen);
-      assert(pAppendEntry != NULL);
+      if (pAppendEntry == NULL) {
+        syncNodeErrorLog(ths, "syncEntryDeserialize pAppendEntry2 error");
+        return -1;
+      }
 
       // append new entries
       ths->pLogStore->appendEntry(ths->pLogStore, pAppendEntry);
@@ -287,7 +309,8 @@ int32_t syncNodeOnAppendEntriesCb(SSyncNode* ths, SyncAppendEntries* pMsg) {
       // do nothing
 
     } else {
-      assert(0);
+      syncNodeLog3("", ths);
+      ASSERT(0);
     }
 
     SyncAppendEntriesReply* pReply = syncAppendEntriesReplyBuild(ths->vgId);
diff --git a/source/libs/sync/src/syncAppendEntriesReply.c b/source/libs/sync/src/syncAppendEntriesReply.c
index 7b342cdcff..f13a3604da 100644
--- a/source/libs/sync/src/syncAppendEntriesReply.c
+++ b/source/libs/sync/src/syncAppendEntriesReply.c
@@ -67,7 +67,7 @@ int32_t syncNodeOnAppendEntriesReplyCb(SSyncNode* ths, SyncAppendEntriesReply* p
     return ret;
   }
 
-  assert(pMsg->term == ths->pRaftStore->currentTerm);
+  ASSERT(pMsg->term == ths->pRaftStore->currentTerm);
 
   if (pMsg->success) {
     // nextIndex'  = [nextIndex  EXCEPT ![i][j] = m.mmatchIndex + 1]
diff --git a/source/libs/sync/src/syncCommit.c b/source/libs/sync/src/syncCommit.c
index ec3e1ab2ba..c92edae381 100644
--- a/source/libs/sync/src/syncCommit.c
+++ b/source/libs/sync/src/syncCommit.c
@@ -75,7 +75,7 @@ void syncMaybeAdvanceCommitIndex(SSyncNode* pSyncNode) {
     if (agree) {
       // term
       SSyncRaftEntry* pEntry = pSyncNode->pLogStore->getEntry(pSyncNode->pLogStore, index);
-      assert(pEntry != NULL);
+      ASSERT(pEntry != NULL);
 
       // cannot commit, even if quorum agree. need check term!
       if (pEntry->term == pSyncNode->pRaftStore->currentTerm) {
diff --git a/source/libs/sync/src/syncElection.c b/source/libs/sync/src/syncElection.c
index fdebbe3990..e0f2b0fed2 100644
--- a/source/libs/sync/src/syncElection.c
+++ b/source/libs/sync/src/syncElection.c
@@ -32,7 +32,7 @@
 //    /\ UNCHANGED <<serverVars, candidateVars, leaderVars, logVars>>
 //
 int32_t syncNodeRequestVotePeers(SSyncNode* pSyncNode) {
-  assert(pSyncNode->state == TAOS_SYNC_STATE_CANDIDATE);
+  ASSERT(pSyncNode->state == TAOS_SYNC_STATE_CANDIDATE);
 
   int32_t ret = 0;
   for (int i = 0; i < pSyncNode->peersNum; ++i) {
@@ -44,7 +44,7 @@ int32_t syncNodeRequestVotePeers(SSyncNode* pSyncNode) {
     pMsg->lastLogTerm = pSyncNode->pLogStore->getLastTerm(pSyncNode->pLogStore);
 
     ret = syncNodeRequestVote(pSyncNode, &pSyncNode->peersId[i], pMsg);
-    assert(ret == 0);
+    ASSERT(ret == 0);
     syncRequestVoteDestroy(pMsg);
   }
   return ret;
@@ -75,7 +75,7 @@ int32_t syncNodeElect(SSyncNode* pSyncNode) {
   if (pSyncNode->state == TAOS_SYNC_STATE_FOLLOWER) {
     syncNodeFollower2Candidate(pSyncNode);
   }
-  assert(pSyncNode->state == TAOS_SYNC_STATE_CANDIDATE);
+  ASSERT(pSyncNode->state == TAOS_SYNC_STATE_CANDIDATE);
 
   // start election
   raftStoreNextTerm(pSyncNode->pRaftStore);
@@ -86,7 +86,7 @@ int32_t syncNodeElect(SSyncNode* pSyncNode) {
   syncNodeVoteForSelf(pSyncNode);
   if (voteGrantedMajority(pSyncNode->pVotesGranted)) {
     // only myself, to leader
-    assert(!pSyncNode->pVotesGranted->toLeader);
+    ASSERT(!pSyncNode->pVotesGranted->toLeader);
     syncNodeCandidate2Leader(pSyncNode);
     pSyncNode->pVotesGranted->toLeader = true;
     return ret;
@@ -98,7 +98,7 @@ int32_t syncNodeElect(SSyncNode* pSyncNode) {
     ret = syncNodeRequestVotePeers(pSyncNode);
   }
 
-  assert(ret == 0);
+  ASSERT(ret == 0);
   syncNodeResetElectTimer(pSyncNode);
 
   return ret;
diff --git a/source/libs/sync/src/syncEnv.c b/source/libs/sync/src/syncEnv.c
index c92af0dd42..fb0bfb8bef 100644
--- a/source/libs/sync/src/syncEnv.c
+++ b/source/libs/sync/src/syncEnv.c
@@ -14,7 +14,7 @@
  */
 
 #include "syncEnv.h"
-// #include <assert.h>
+// #include <ASSERT.h>
 
 SSyncEnv *gSyncEnv = NULL;
 
@@ -40,7 +40,7 @@ int32_t syncEnvStart() {
   taosSeedRand(seed);
   // gSyncEnv = doSyncEnvStart(gSyncEnv);
   gSyncEnv = doSyncEnvStart();
-  assert(gSyncEnv != NULL);
+  ASSERT(gSyncEnv != NULL);
   sTrace("sync env start ok");
   return ret;
 }
@@ -86,7 +86,7 @@ static void syncEnvTick(void *param, void *tmrId) {
 
 static SSyncEnv *doSyncEnvStart() {
   SSyncEnv *pSyncEnv = (SSyncEnv *)taosMemoryMalloc(sizeof(SSyncEnv));
-  assert(pSyncEnv != NULL);
+  ASSERT(pSyncEnv != NULL);
   memset(pSyncEnv, 0, sizeof(SSyncEnv));
 
   pSyncEnv->envTickTimerCounter = 0;
@@ -103,7 +103,7 @@ static SSyncEnv *doSyncEnvStart() {
 }
 
 static int32_t doSyncEnvStop(SSyncEnv *pSyncEnv) {
-  assert(pSyncEnv == gSyncEnv);
+  ASSERT(pSyncEnv == gSyncEnv);
   if (pSyncEnv != NULL) {
     atomic_store_8(&(pSyncEnv->isStart), 0);
     taosTmrCleanUp(pSyncEnv->pTimerManager);
diff --git a/source/libs/sync/src/syncIO.c b/source/libs/sync/src/syncIO.c
index 0b5a9685c0..038c36c417 100644
--- a/source/libs/sync/src/syncIO.c
+++ b/source/libs/sync/src/syncIO.c
@@ -30,7 +30,7 @@ static int32_t  syncIODestroy(SSyncIO *io);
 static int32_t  syncIOStartInternal(SSyncIO *io);
 static int32_t  syncIOStopInternal(SSyncIO *io);
 
-static void *  syncIOConsumerFunc(void *param);
+static void   *syncIOConsumerFunc(void *param);
 static void    syncIOProcessRequest(void *pParent, SRpcMsg *pMsg, SEpSet *pEpSet);
 static void    syncIOProcessReply(void *pParent, SRpcMsg *pMsg, SEpSet *pEpSet);
 static int32_t syncIOAuth(void *parent, char *meterId, char *spi, char *encrypt, char *secret, char *ckey);
@@ -47,11 +47,11 @@ static void    syncIOTickPing(void *param, void *tmrId);
 int32_t syncIOStart(char *host, uint16_t port) {
   int32_t ret = 0;
   gSyncIO = syncIOCreate(host, port);
-  assert(gSyncIO != NULL);
+  ASSERT(gSyncIO != NULL);
 
   taosSeedRand(taosGetTimestampSec());
   ret = syncIOStartInternal(gSyncIO);
-  assert(ret == 0);
+  ASSERT(ret == 0);
 
   sTrace("syncIOStart ok, gSyncIO:%p", gSyncIO);
   return ret;
@@ -59,16 +59,16 @@ int32_t syncIOStart(char *host, uint16_t port) {
 
 int32_t syncIOStop() {
   int32_t ret = syncIOStopInternal(gSyncIO);
-  assert(ret == 0);
+  ASSERT(ret == 0);
 
   ret = syncIODestroy(gSyncIO);
-  assert(ret == 0);
+  ASSERT(ret == 0);
   return ret;
 }
 
 int32_t syncIOSendMsg(const SEpSet *pEpSet, SRpcMsg *pMsg) {
-  assert(pEpSet->inUse == 0);
-  assert(pEpSet->numOfEps == 1);
+  ASSERT(pEpSet->inUse == 0);
+  ASSERT(pEpSet->numOfEps == 1);
 
   int32_t ret = 0;
   {
@@ -107,25 +107,25 @@ int32_t syncIOEqMsg(const SMsgCb *msgcb, SRpcMsg *pMsg) {
 
 int32_t syncIOQTimerStart() {
   int32_t ret = syncIOStartQ(gSyncIO);
-  assert(ret == 0);
+  ASSERT(ret == 0);
   return ret;
 }
 
 int32_t syncIOQTimerStop() {
   int32_t ret = syncIOStopQ(gSyncIO);
-  assert(ret == 0);
+  ASSERT(ret == 0);
   return ret;
 }
 
 int32_t syncIOPingTimerStart() {
   int32_t ret = syncIOStartPing(gSyncIO);
-  assert(ret == 0);
+  ASSERT(ret == 0);
   return ret;
 }
 
 int32_t syncIOPingTimerStop() {
   int32_t ret = syncIOStopPing(gSyncIO);
-  assert(ret == 0);
+  ASSERT(ret == 0);
   return ret;
 }
 
@@ -151,7 +151,7 @@ static SSyncIO *syncIOCreate(char *host, uint16_t port) {
 static int32_t syncIODestroy(SSyncIO *io) {
   int32_t ret = 0;
   int8_t  start = atomic_load_8(&io->isStart);
-  assert(start == 0);
+  ASSERT(start == 0);
 
   if (io->serverRpc != NULL) {
     rpcClose(io->serverRpc);
@@ -242,9 +242,9 @@ static int32_t syncIOStopInternal(SSyncIO *io) {
 }
 
 static void *syncIOConsumerFunc(void *param) {
-  SSyncIO *  io = param;
+  SSyncIO   *io = param;
   STaosQall *qall;
-  SRpcMsg *  pRpcMsg, rpcMsg;
+  SRpcMsg   *pRpcMsg, rpcMsg;
   qall = taosAllocateQall();
 
   while (1) {
@@ -264,7 +264,7 @@ static void *syncIOConsumerFunc(void *param) {
       if (pRpcMsg->msgType == TDMT_SYNC_PING) {
         if (io->FpOnSyncPing != NULL) {
           SyncPing *pSyncMsg = syncPingFromRpcMsg2(pRpcMsg);
-          assert(pSyncMsg != NULL);
+          ASSERT(pSyncMsg != NULL);
           io->FpOnSyncPing(io->pSyncNode, pSyncMsg);
           syncPingDestroy(pSyncMsg);
         }
@@ -272,7 +272,7 @@ static void *syncIOConsumerFunc(void *param) {
       } else if (pRpcMsg->msgType == TDMT_SYNC_PING_REPLY) {
         if (io->FpOnSyncPingReply != NULL) {
           SyncPingReply *pSyncMsg = syncPingReplyFromRpcMsg2(pRpcMsg);
-          assert(pSyncMsg != NULL);
+          ASSERT(pSyncMsg != NULL);
           io->FpOnSyncPingReply(io->pSyncNode, pSyncMsg);
           syncPingReplyDestroy(pSyncMsg);
         }
@@ -280,7 +280,7 @@ static void *syncIOConsumerFunc(void *param) {
       } else if (pRpcMsg->msgType == TDMT_SYNC_CLIENT_REQUEST) {
         if (io->FpOnSyncClientRequest != NULL) {
           SyncClientRequest *pSyncMsg = syncClientRequestFromRpcMsg2(pRpcMsg);
-          assert(pSyncMsg != NULL);
+          ASSERT(pSyncMsg != NULL);
           io->FpOnSyncClientRequest(io->pSyncNode, pSyncMsg);
           syncClientRequestDestroy(pSyncMsg);
         }
@@ -288,7 +288,7 @@ static void *syncIOConsumerFunc(void *param) {
       } else if (pRpcMsg->msgType == TDMT_SYNC_REQUEST_VOTE) {
         if (io->FpOnSyncRequestVote != NULL) {
           SyncRequestVote *pSyncMsg = syncRequestVoteFromRpcMsg2(pRpcMsg);
-          assert(pSyncMsg != NULL);
+          ASSERT(pSyncMsg != NULL);
           io->FpOnSyncRequestVote(io->pSyncNode, pSyncMsg);
           syncRequestVoteDestroy(pSyncMsg);
         }
@@ -296,7 +296,7 @@ static void *syncIOConsumerFunc(void *param) {
       } else if (pRpcMsg->msgType == TDMT_SYNC_REQUEST_VOTE_REPLY) {
         if (io->FpOnSyncRequestVoteReply != NULL) {
           SyncRequestVoteReply *pSyncMsg = syncRequestVoteReplyFromRpcMsg2(pRpcMsg);
-          assert(pSyncMsg != NULL);
+          ASSERT(pSyncMsg != NULL);
           io->FpOnSyncRequestVoteReply(io->pSyncNode, pSyncMsg);
           syncRequestVoteReplyDestroy(pSyncMsg);
         }
@@ -304,7 +304,7 @@ static void *syncIOConsumerFunc(void *param) {
       } else if (pRpcMsg->msgType == TDMT_SYNC_APPEND_ENTRIES) {
         if (io->FpOnSyncAppendEntries != NULL) {
           SyncAppendEntries *pSyncMsg = syncAppendEntriesFromRpcMsg2(pRpcMsg);
-          assert(pSyncMsg != NULL);
+          ASSERT(pSyncMsg != NULL);
           io->FpOnSyncAppendEntries(io->pSyncNode, pSyncMsg);
           syncAppendEntriesDestroy(pSyncMsg);
         }
@@ -312,7 +312,7 @@ static void *syncIOConsumerFunc(void *param) {
       } else if (pRpcMsg->msgType == TDMT_SYNC_APPEND_ENTRIES_REPLY) {
         if (io->FpOnSyncAppendEntriesReply != NULL) {
           SyncAppendEntriesReply *pSyncMsg = syncAppendEntriesReplyFromRpcMsg2(pRpcMsg);
-          assert(pSyncMsg != NULL);
+          ASSERT(pSyncMsg != NULL);
           io->FpOnSyncAppendEntriesReply(io->pSyncNode, pSyncMsg);
           syncAppendEntriesReplyDestroy(pSyncMsg);
         }
@@ -320,7 +320,7 @@ static void *syncIOConsumerFunc(void *param) {
       } else if (pRpcMsg->msgType == TDMT_SYNC_TIMEOUT) {
         if (io->FpOnSyncTimeout != NULL) {
           SyncTimeout *pSyncMsg = syncTimeoutFromRpcMsg2(pRpcMsg);
-          assert(pSyncMsg != NULL);
+          ASSERT(pSyncMsg != NULL);
           io->FpOnSyncTimeout(io->pSyncNode, pSyncMsg);
           syncTimeoutDestroy(pSyncMsg);
         }
@@ -328,7 +328,7 @@ static void *syncIOConsumerFunc(void *param) {
       } else if (pRpcMsg->msgType == TDMT_SYNC_SNAPSHOT_SEND) {
         if (io->FpOnSyncSnapshotSend != NULL) {
           SyncSnapshotSend *pSyncMsg = syncSnapshotSendFromRpcMsg2(pRpcMsg);
-          assert(pSyncMsg != NULL);
+          ASSERT(pSyncMsg != NULL);
           io->FpOnSyncSnapshotSend(io->pSyncNode, pSyncMsg);
           syncSnapshotSendDestroy(pSyncMsg);
         }
@@ -336,7 +336,7 @@ static void *syncIOConsumerFunc(void *param) {
       } else if (pRpcMsg->msgType == TDMT_SYNC_SNAPSHOT_RSP) {
         if (io->FpOnSyncSnapshotRsp != NULL) {
           SyncSnapshotRsp *pSyncMsg = syncSnapshotRspFromRpcMsg2(pRpcMsg);
-          assert(pSyncMsg != NULL);
+          ASSERT(pSyncMsg != NULL);
           io->FpOnSyncSnapshotRsp(io->pSyncNode, pSyncMsg);
           syncSnapshotRspDestroy(pSyncMsg);
         }
diff --git a/source/libs/sync/src/syncIndexMgr.c b/source/libs/sync/src/syncIndexMgr.c
index 2827fcc12f..5b432aeec4 100644
--- a/source/libs/sync/src/syncIndexMgr.c
+++ b/source/libs/sync/src/syncIndexMgr.c
@@ -20,7 +20,7 @@
 
 SSyncIndexMgr *syncIndexMgrCreate(SSyncNode *pSyncNode) {
   SSyncIndexMgr *pSyncIndexMgr = taosMemoryMalloc(sizeof(SSyncIndexMgr));
-  assert(pSyncIndexMgr != NULL);
+  ASSERT(pSyncIndexMgr != NULL);
   memset(pSyncIndexMgr, 0, sizeof(SSyncIndexMgr));
 
   pSyncIndexMgr->replicas = &(pSyncNode->replicasId);
@@ -63,7 +63,7 @@ void syncIndexMgrSetIndex(SSyncIndexMgr *pSyncIndexMgr, const SRaftId *pRaftId,
   }
 
   // maybe config change
-  // assert(0);
+  // ASSERT(0);
 
   char     host[128];
   uint16_t port;
@@ -169,7 +169,7 @@ void syncIndexMgrSetTerm(SSyncIndexMgr *pSyncIndexMgr, const SRaftId *pRaftId, S
   }
 
   // maybe config change
-  // assert(0);
+  // ASSERT(0);
   char     host[128];
   uint16_t port;
   syncUtilU642Addr(pRaftId->addr, host, sizeof(host), &port);
@@ -183,5 +183,5 @@ SyncTerm syncIndexMgrGetTerm(SSyncIndexMgr *pSyncIndexMgr, const SRaftId *pRaftI
       return term;
     }
   }
-  assert(0);
+  ASSERT(0);
 }
\ No newline at end of file
diff --git a/source/libs/sync/src/syncMain.c b/source/libs/sync/src/syncMain.c
index b520629e15..da6d869611 100644
--- a/source/libs/sync/src/syncMain.c
+++ b/source/libs/sync/src/syncMain.c
@@ -75,7 +75,7 @@ int32_t syncInit() {
 
 void syncCleanUp() {
   int32_t ret = syncEnvStop();
-  assert(ret == 0);
+  ASSERT(ret == 0);
 
   if (tsNodeRefId != -1) {
     taosCloseRef(tsNodeRefId);
@@ -85,7 +85,7 @@ void syncCleanUp() {
 
 int64_t syncOpen(const SSyncInfo* pSyncInfo) {
   SSyncNode* pSyncNode = syncNodeOpen(pSyncInfo);
-  assert(pSyncNode != NULL);
+  ASSERT(pSyncNode != NULL);
 
   if (gRaftDetailLog) {
     syncNodeLog2("syncNodeOpen open success", pSyncNode);
@@ -318,7 +318,7 @@ bool syncCanLeaderTransfer(int64_t rid) {
   if (pSyncNode == NULL) {
     return false;
   }
-  assert(rid == pSyncNode->rid);
+  ASSERT(rid == pSyncNode->rid);
 
   if (pSyncNode->replicaNum == 1) {
     taosReleaseRef(tsNodeRefId, pSyncNode->rid);
@@ -355,7 +355,7 @@ ESyncState syncGetMyRole(int64_t rid) {
   if (pSyncNode == NULL) {
     return TAOS_SYNC_STATE_ERROR;
   }
-  assert(rid == pSyncNode->rid);
+  ASSERT(rid == pSyncNode->rid);
   ESyncState state = pSyncNode->state;
 
   taosReleaseRef(tsNodeRefId, pSyncNode->rid);
@@ -367,7 +367,7 @@ bool syncIsReady(int64_t rid) {
   if (pSyncNode == NULL) {
     return false;
   }
-  assert(rid == pSyncNode->rid);
+  ASSERT(rid == pSyncNode->rid);
   bool b = (pSyncNode->state == TAOS_SYNC_STATE_LEADER) && pSyncNode->restoreFinish;
   taosReleaseRef(tsNodeRefId, pSyncNode->rid);
   return b;
@@ -378,7 +378,7 @@ bool syncIsRestoreFinish(int64_t rid) {
   if (pSyncNode == NULL) {
     return false;
   }
-  assert(rid == pSyncNode->rid);
+  ASSERT(rid == pSyncNode->rid);
   bool b = pSyncNode->restoreFinish;
 
   taosReleaseRef(tsNodeRefId, pSyncNode->rid);
@@ -390,7 +390,7 @@ int32_t syncGetSnapshotMeta(int64_t rid, struct SSnapshotMeta* sMeta) {
   if (pSyncNode == NULL) {
     return -1;
   }
-  assert(rid == pSyncNode->rid);
+  ASSERT(rid == pSyncNode->rid);
   sMeta->lastConfigIndex = pSyncNode->pRaftCfg->lastConfigIndex;
 
   sTrace("vgId:%d, get snapshot meta, lastConfigIndex:%" PRId64, pSyncNode->vgId, pSyncNode->pRaftCfg->lastConfigIndex);
@@ -404,7 +404,7 @@ int32_t syncGetSnapshotMetaByIndex(int64_t rid, SyncIndex snapshotIndex, struct
   if (pSyncNode == NULL) {
     return -1;
   }
-  assert(rid == pSyncNode->rid);
+  ASSERT(rid == pSyncNode->rid);
 
   ASSERT(pSyncNode->pRaftCfg->configIndexCount >= 1);
   SyncIndex lastIndex = (pSyncNode->pRaftCfg->configIndexArr)[0];
@@ -448,7 +448,7 @@ SyncTerm syncGetMyTerm(int64_t rid) {
   if (pSyncNode == NULL) {
     return TAOS_SYNC_STATE_ERROR;
   }
-  assert(rid == pSyncNode->rid);
+  ASSERT(rid == pSyncNode->rid);
   SyncTerm term = pSyncNode->pRaftStore->currentTerm;
 
   taosReleaseRef(tsNodeRefId, pSyncNode->rid);
@@ -460,7 +460,7 @@ SyncGroupId syncGetVgId(int64_t rid) {
   if (pSyncNode == NULL) {
     return TAOS_SYNC_STATE_ERROR;
   }
-  assert(rid == pSyncNode->rid);
+  ASSERT(rid == pSyncNode->rid);
   SyncGroupId vgId = pSyncNode->vgId;
 
   taosReleaseRef(tsNodeRefId, pSyncNode->rid);
@@ -473,7 +473,7 @@ void syncGetEpSet(int64_t rid, SEpSet* pEpSet) {
     memset(pEpSet, 0, sizeof(*pEpSet));
     return;
   }
-  assert(rid == pSyncNode->rid);
+  ASSERT(rid == pSyncNode->rid);
   pEpSet->numOfEps = 0;
   for (int i = 0; i < pSyncNode->pRaftCfg->cfg.replicaNum; ++i) {
     snprintf(pEpSet->eps[i].fqdn, sizeof(pEpSet->eps[i].fqdn), "%s", (pSyncNode->pRaftCfg->cfg.nodeInfo)[i].nodeFqdn);
@@ -494,7 +494,7 @@ int32_t syncGetRespRpc(int64_t rid, uint64_t index, SRpcMsg* msg) {
   if (pSyncNode == NULL) {
     return TAOS_SYNC_STATE_ERROR;
   }
-  assert(rid == pSyncNode->rid);
+  ASSERT(rid == pSyncNode->rid);
 
   SRespStub stub;
   int32_t   ret = syncRespMgrGet(pSyncNode->pSyncRespMgr, index, &stub);
@@ -511,7 +511,7 @@ int32_t syncGetAndDelRespRpc(int64_t rid, uint64_t index, SRpcHandleInfo* pInfo)
   if (pSyncNode == NULL) {
     return TAOS_SYNC_STATE_ERROR;
   }
-  assert(rid == pSyncNode->rid);
+  ASSERT(rid == pSyncNode->rid);
 
   SRespStub stub;
   int32_t   ret = syncRespMgrGetAndDel(pSyncNode->pSyncRespMgr, index, &stub);
@@ -530,7 +530,7 @@ void syncSetMsgCb(int64_t rid, const SMsgCb* msgcb) {
     sTrace("syncSetQ get pSyncNode is NULL, rid:%ld", rid);
     return;
   }
-  assert(rid == pSyncNode->rid);
+  ASSERT(rid == pSyncNode->rid);
   pSyncNode->msgcb = msgcb;
 
   taosReleaseRef(tsNodeRefId, pSyncNode->rid);
@@ -542,7 +542,7 @@ char* sync2SimpleStr(int64_t rid) {
     sTrace("syncSetRpc get pSyncNode is NULL, rid:%ld", rid);
     return NULL;
   }
-  assert(rid == pSyncNode->rid);
+  ASSERT(rid == pSyncNode->rid);
   char* s = syncNode2SimpleStr(pSyncNode);
   taosReleaseRef(tsNodeRefId, pSyncNode->rid);
 
@@ -554,7 +554,7 @@ void setPingTimerMS(int64_t rid, int32_t pingTimerMS) {
   if (pSyncNode == NULL) {
     return;
   }
-  assert(rid == pSyncNode->rid);
+  ASSERT(rid == pSyncNode->rid);
   pSyncNode->pingBaseLine = pingTimerMS;
   pSyncNode->pingTimerMS = pingTimerMS;
 
@@ -566,7 +566,7 @@ void setElectTimerMS(int64_t rid, int32_t electTimerMS) {
   if (pSyncNode == NULL) {
     return;
   }
-  assert(rid == pSyncNode->rid);
+  ASSERT(rid == pSyncNode->rid);
   pSyncNode->electBaseLine = electTimerMS;
 
   taosReleaseRef(tsNodeRefId, pSyncNode->rid);
@@ -577,7 +577,7 @@ void setHeartbeatTimerMS(int64_t rid, int32_t hbTimerMS) {
   if (pSyncNode == NULL) {
     return;
   }
-  assert(rid == pSyncNode->rid);
+  ASSERT(rid == pSyncNode->rid);
   pSyncNode->hbBaseLine = hbTimerMS;
   pSyncNode->heartbeatTimerMS = hbTimerMS;
 
@@ -592,7 +592,7 @@ int32_t syncPropose(int64_t rid, const SRpcMsg* pMsg, bool isWeak) {
     terrno = TSDB_CODE_SYN_INTERNAL_ERROR;
     return -1;
   }
-  assert(rid == pSyncNode->rid);
+  ASSERT(rid == pSyncNode->rid);
   ret = syncNodePropose(pSyncNode, pMsg, isWeak);
 
   taosReleaseRef(tsNodeRefId, pSyncNode->rid);
@@ -662,7 +662,7 @@ SSyncNode* syncNodeOpen(const SSyncInfo* pOldSyncInfo) {
   SSyncInfo* pSyncInfo = (SSyncInfo*)pOldSyncInfo;
 
   SSyncNode* pSyncNode = (SSyncNode*)taosMemoryMalloc(sizeof(SSyncNode));
-  assert(pSyncNode != NULL);
+  ASSERT(pSyncNode != NULL);
   memset(pSyncNode, 0, sizeof(SSyncNode));
 
   int32_t ret = 0;
@@ -682,12 +682,12 @@ SSyncNode* syncNodeOpen(const SSyncInfo* pOldSyncInfo) {
     meta.snapshotEnable = pSyncInfo->snapshotEnable;
     meta.lastConfigIndex = SYNC_INDEX_INVALID;
     ret = raftCfgCreateFile((SSyncCfg*)&(pSyncInfo->syncCfg), meta, pSyncNode->configPath);
-    assert(ret == 0);
+    ASSERT(ret == 0);
 
   } else {
     // update syncCfg by raft_config.json
     pSyncNode->pRaftCfg = raftCfgOpen(pSyncNode->configPath);
-    assert(pSyncNode->pRaftCfg != NULL);
+    ASSERT(pSyncNode->pRaftCfg != NULL);
     pSyncInfo->syncCfg = pSyncNode->pRaftCfg->cfg;
 
     if (gRaftDetailLog) {
@@ -712,7 +712,7 @@ SSyncNode* syncNodeOpen(const SSyncInfo* pOldSyncInfo) {
 
   // init raft config
   pSyncNode->pRaftCfg = raftCfgOpen(pSyncNode->configPath);
-  assert(pSyncNode->pRaftCfg != NULL);
+  ASSERT(pSyncNode->pRaftCfg != NULL);
 
   // init internal
   pSyncNode->myNodeInfo = pSyncNode->pRaftCfg->cfg.nodeInfo[pSyncNode->pRaftCfg->cfg.myIndex];
@@ -771,23 +771,23 @@ SSyncNode* syncNodeOpen(const SSyncInfo* pOldSyncInfo) {
   // init TLA+ server vars
   pSyncNode->state = TAOS_SYNC_STATE_FOLLOWER;
   pSyncNode->pRaftStore = raftStoreOpen(pSyncNode->raftStorePath);
-  assert(pSyncNode->pRaftStore != NULL);
+  ASSERT(pSyncNode->pRaftStore != NULL);
 
   // init TLA+ candidate vars
   pSyncNode->pVotesGranted = voteGrantedCreate(pSyncNode);
-  assert(pSyncNode->pVotesGranted != NULL);
+  ASSERT(pSyncNode->pVotesGranted != NULL);
   pSyncNode->pVotesRespond = votesRespondCreate(pSyncNode);
-  assert(pSyncNode->pVotesRespond != NULL);
+  ASSERT(pSyncNode->pVotesRespond != NULL);
 
   // init TLA+ leader vars
   pSyncNode->pNextIndex = syncIndexMgrCreate(pSyncNode);
-  assert(pSyncNode->pNextIndex != NULL);
+  ASSERT(pSyncNode->pNextIndex != NULL);
   pSyncNode->pMatchIndex = syncIndexMgrCreate(pSyncNode);
-  assert(pSyncNode->pMatchIndex != NULL);
+  ASSERT(pSyncNode->pMatchIndex != NULL);
 
   // init TLA+ log vars
   pSyncNode->pLogStore = logStoreCreate(pSyncNode);
-  assert(pSyncNode->pLogStore != NULL);
+  ASSERT(pSyncNode->pLogStore != NULL);
   pSyncNode->commitIndex = SYNC_INDEX_INVALID;
 
   // timer ms init
@@ -845,7 +845,7 @@ SSyncNode* syncNodeOpen(const SSyncInfo* pOldSyncInfo) {
 
   // tools
   pSyncNode->pSyncRespMgr = syncRespMgrCreate(pSyncNode, 0);
-  assert(pSyncNode->pSyncRespMgr != NULL);
+  ASSERT(pSyncNode->pSyncRespMgr != NULL);
 
   // restore state
   pSyncNode->restoreFinish = false;
@@ -893,7 +893,7 @@ void syncNodeStart(SSyncNode* pSyncNode) {
 
   // int32_t ret = 0;
   // ret = syncNodeStartPingTimer(pSyncNode);
-  // assert(ret == 0);
+  // ASSERT(ret == 0);
 
   if (gRaftDetailLog) {
     syncNodeLog2("==state change become leader immediately==", pSyncNode);
@@ -915,10 +915,10 @@ void syncNodeClose(SSyncNode* pSyncNode) {
   syncNodeEventLog(pSyncNode, "sync close");
 
   int32_t ret;
-  assert(pSyncNode != NULL);
+  ASSERT(pSyncNode != NULL);
 
   ret = raftStoreClose(pSyncNode->pRaftStore);
-  assert(ret == 0);
+  ASSERT(ret == 0);
 
   syncRespMgrDestroy(pSyncNode->pSyncRespMgr);
   voteGrantedDestroy(pSyncNode->pVotesGranted);
@@ -980,7 +980,7 @@ int32_t syncNodePingSelf(SSyncNode* pSyncNode) {
   int32_t   ret = 0;
   SyncPing* pMsg = syncPingBuild3(&pSyncNode->myRaftId, &pSyncNode->myRaftId, pSyncNode->vgId);
   ret = syncNodePing(pSyncNode, &pMsg->destId, pMsg);
-  assert(ret == 0);
+  ASSERT(ret == 0);
 
   syncPingDestroy(pMsg);
   return ret;
@@ -992,7 +992,7 @@ int32_t syncNodePingPeers(SSyncNode* pSyncNode) {
     SRaftId*  destId = &(pSyncNode->peersId[i]);
     SyncPing* pMsg = syncPingBuild3(&pSyncNode->myRaftId, destId, pSyncNode->vgId);
     ret = syncNodePing(pSyncNode, destId, pMsg);
-    assert(ret == 0);
+    ASSERT(ret == 0);
     syncPingDestroy(pMsg);
   }
   return ret;
@@ -1004,7 +1004,7 @@ int32_t syncNodePingAll(SSyncNode* pSyncNode) {
     SRaftId*  destId = &(pSyncNode->replicasId[i]);
     SyncPing* pMsg = syncPingBuild3(&pSyncNode->myRaftId, destId, pSyncNode->vgId);
     ret = syncNodePing(pSyncNode, destId, pMsg);
-    assert(ret == 0);
+    ASSERT(ret == 0);
     syncPingDestroy(pMsg);
   }
   return ret;
@@ -1311,32 +1311,86 @@ void syncNodeEventLog(const SSyncNode* pSyncNode, char* str) {
 
   if (userStrLen < 256) {
     char logBuf[128 + 256];
-    snprintf(logBuf, sizeof(logBuf),
-             "vgId:%d, sync %s %s, term:%lu, commit:%ld, beginlog:%ld, lastlog:%ld, lastsnapshot:%ld, standby:%d, "
-             "replica-num:%d, "
-             "lconfig:%ld, changing:%d",
-             pSyncNode->vgId, syncUtilState2String(pSyncNode->state), str, pSyncNode->pRaftStore->currentTerm,
-             pSyncNode->commitIndex, logBeginIndex, logLastIndex, snapshot.lastApplyIndex,
-             pSyncNode->pRaftCfg->isStandBy, pSyncNode->replicaNum, pSyncNode->pRaftCfg->lastConfigIndex,
-             pSyncNode->changing);
+    if (pSyncNode != NULL && pSyncNode->pRaftCfg != NULL && pSyncNode->pRaftStore != NULL) {
+      snprintf(logBuf, sizeof(logBuf),
+               "vgId:%d, sync %s %s, term:%lu, commit:%ld, beginlog:%ld, lastlog:%ld, lastsnapshot:%ld, standby:%d, "
+               "replica-num:%d, "
+               "lconfig:%ld, changing:%d",
+               pSyncNode->vgId, syncUtilState2String(pSyncNode->state), str, pSyncNode->pRaftStore->currentTerm,
+               pSyncNode->commitIndex, logBeginIndex, logLastIndex, snapshot.lastApplyIndex,
+               pSyncNode->pRaftCfg->isStandBy, pSyncNode->replicaNum, pSyncNode->pRaftCfg->lastConfigIndex,
+               pSyncNode->changing);
+    } else {
+      snprintf(logBuf, sizeof(logBuf), "%s", str);
+    }
     sDebug("%s", logBuf);
 
   } else {
     int   len = 128 + userStrLen;
     char* s = (char*)taosMemoryMalloc(len);
-    snprintf(s, len,
-             "vgId:%d, sync %s %s, term:%lu, commit:%ld, beginlog:%ld, lastlog:%ld, lastsnapshot:%ld, standby:%d, "
-             "replica-num:%d, "
-             "lconfig:%ld, changing:%d",
-             pSyncNode->vgId, syncUtilState2String(pSyncNode->state), str, pSyncNode->pRaftStore->currentTerm,
-             pSyncNode->commitIndex, logBeginIndex, logLastIndex, snapshot.lastApplyIndex,
-             pSyncNode->pRaftCfg->isStandBy, pSyncNode->replicaNum, pSyncNode->pRaftCfg->lastConfigIndex,
-             pSyncNode->changing);
+    if (pSyncNode != NULL && pSyncNode->pRaftCfg != NULL && pSyncNode->pRaftStore != NULL) {
+      snprintf(s, len,
+               "vgId:%d, sync %s %s, term:%lu, commit:%ld, beginlog:%ld, lastlog:%ld, lastsnapshot:%ld, standby:%d, "
+               "replica-num:%d, "
+               "lconfig:%ld, changing:%d",
+               pSyncNode->vgId, syncUtilState2String(pSyncNode->state), str, pSyncNode->pRaftStore->currentTerm,
+               pSyncNode->commitIndex, logBeginIndex, logLastIndex, snapshot.lastApplyIndex,
+               pSyncNode->pRaftCfg->isStandBy, pSyncNode->replicaNum, pSyncNode->pRaftCfg->lastConfigIndex,
+               pSyncNode->changing);
+    } else {
+      snprintf(s, len, "%s", str);
+    }
     sDebug("%s", s);
     taosMemoryFree(s);
   }
 }
 
+void syncNodeErrorLog(const SSyncNode* pSyncNode, char* str) {
+  int32_t userStrLen = strlen(str);
+
+  SSnapshot snapshot = {.data = NULL, .lastApplyIndex = -1, .lastApplyTerm = 0};
+  if (pSyncNode->pFsm->FpGetSnapshotInfo != NULL) {
+    pSyncNode->pFsm->FpGetSnapshotInfo(pSyncNode->pFsm, &snapshot);
+  }
+  SyncIndex logLastIndex = pSyncNode->pLogStore->syncLogLastIndex(pSyncNode->pLogStore);
+  SyncIndex logBeginIndex = pSyncNode->pLogStore->syncLogBeginIndex(pSyncNode->pLogStore);
+
+  if (userStrLen < 256) {
+    char logBuf[128 + 256];
+    if (pSyncNode != NULL && pSyncNode->pRaftCfg != NULL && pSyncNode->pRaftStore != NULL) {
+      snprintf(logBuf, sizeof(logBuf),
+               "vgId:%d, sync %s %s, term:%lu, commit:%ld, beginlog:%ld, lastlog:%ld, lastsnapshot:%ld, standby:%d, "
+               "replica-num:%d, "
+               "lconfig:%ld, changing:%d",
+               pSyncNode->vgId, syncUtilState2String(pSyncNode->state), str, pSyncNode->pRaftStore->currentTerm,
+               pSyncNode->commitIndex, logBeginIndex, logLastIndex, snapshot.lastApplyIndex,
+               pSyncNode->pRaftCfg->isStandBy, pSyncNode->replicaNum, pSyncNode->pRaftCfg->lastConfigIndex,
+               pSyncNode->changing);
+    } else {
+      snprintf(logBuf, sizeof(logBuf), "%s", str);
+    }
+    sError("%s", logBuf);
+
+  } else {
+    int   len = 128 + userStrLen;
+    char* s = (char*)taosMemoryMalloc(len);
+    if (pSyncNode != NULL && pSyncNode->pRaftCfg != NULL && pSyncNode->pRaftStore != NULL) {
+      snprintf(s, len,
+               "vgId:%d, sync %s %s, term:%lu, commit:%ld, beginlog:%ld, lastlog:%ld, lastsnapshot:%ld, standby:%d, "
+               "replica-num:%d, "
+               "lconfig:%ld, changing:%d",
+               pSyncNode->vgId, syncUtilState2String(pSyncNode->state), str, pSyncNode->pRaftStore->currentTerm,
+               pSyncNode->commitIndex, logBeginIndex, logLastIndex, snapshot.lastApplyIndex,
+               pSyncNode->pRaftCfg->isStandBy, pSyncNode->replicaNum, pSyncNode->pRaftCfg->lastConfigIndex,
+               pSyncNode->changing);
+    } else {
+      snprintf(s, len, "%s", str);
+    }
+    sError("%s", s);
+    taosMemoryFree(s);
+  }
+}
+
 char* syncNode2SimpleStr(const SSyncNode* pSyncNode) {
   int   len = 256;
   char* s = (char*)taosMemoryMalloc(len);
@@ -1702,8 +1756,8 @@ void syncNodeBecomeLeader(SSyncNode* pSyncNode, const char* debugStr) {
 }
 
 void syncNodeCandidate2Leader(SSyncNode* pSyncNode) {
-  assert(pSyncNode->state == TAOS_SYNC_STATE_CANDIDATE);
-  assert(voteGrantedMajority(pSyncNode->pVotesGranted));
+  ASSERT(pSyncNode->state == TAOS_SYNC_STATE_CANDIDATE);
+  ASSERT(voteGrantedMajority(pSyncNode->pVotesGranted));
   syncNodeBecomeLeader(pSyncNode, "candidate to leader");
 
   syncNodeLog2("==state change syncNodeCandidate2Leader==", pSyncNode);
@@ -1715,21 +1769,21 @@ void syncNodeCandidate2Leader(SSyncNode* pSyncNode) {
 }
 
 void syncNodeFollower2Candidate(SSyncNode* pSyncNode) {
-  assert(pSyncNode->state == TAOS_SYNC_STATE_FOLLOWER);
+  ASSERT(pSyncNode->state == TAOS_SYNC_STATE_FOLLOWER);
   pSyncNode->state = TAOS_SYNC_STATE_CANDIDATE;
 
   syncNodeLog2("==state change syncNodeFollower2Candidate==", pSyncNode);
 }
 
 void syncNodeLeader2Follower(SSyncNode* pSyncNode) {
-  assert(pSyncNode->state == TAOS_SYNC_STATE_LEADER);
+  ASSERT(pSyncNode->state == TAOS_SYNC_STATE_LEADER);
   syncNodeBecomeFollower(pSyncNode, "leader to follower");
 
   syncNodeLog2("==state change syncNodeLeader2Follower==", pSyncNode);
 }
 
 void syncNodeCandidate2Follower(SSyncNode* pSyncNode) {
-  assert(pSyncNode->state == TAOS_SYNC_STATE_CANDIDATE);
+  ASSERT(pSyncNode->state == TAOS_SYNC_STATE_CANDIDATE);
   syncNodeBecomeFollower(pSyncNode, "candidate to follower");
 
   syncNodeLog2("==state change syncNodeCandidate2Follower==", pSyncNode);
@@ -1740,8 +1794,8 @@ void syncNodeCandidate2Follower(SSyncNode* pSyncNode) {
 // just called by syncNodeVoteForSelf
 // need assert
 void syncNodeVoteForTerm(SSyncNode* pSyncNode, SyncTerm term, SRaftId* pRaftId) {
-  assert(term == pSyncNode->pRaftStore->currentTerm);
-  assert(!raftStoreHasVoted(pSyncNode->pRaftStore));
+  ASSERT(term == pSyncNode->pRaftStore->currentTerm);
+  ASSERT(!raftStoreHasVoted(pSyncNode->pRaftStore));
 
   raftStoreVote(pSyncNode->pRaftStore, pRaftId);
 }
@@ -1764,7 +1818,7 @@ void syncNodeVoteForSelf(SSyncNode* pSyncNode) {
 // snapshot --------------
 bool syncNodeHasSnapshot(SSyncNode* pSyncNode) {
   bool      ret = false;
-  SSnapshot snapshot = {.data = NULL, .lastApplyIndex = -1, .lastApplyTerm = 0};
+  SSnapshot snapshot = {.data = NULL, .lastApplyIndex = -1, .lastApplyTerm = 0, .lastConfigIndex = -1};
   if (pSyncNode->pFsm->FpGetSnapshotInfo != NULL) {
     pSyncNode->pFsm->FpGetSnapshotInfo(pSyncNode->pFsm, &snapshot);
     if (snapshot.lastApplyIndex >= SYNC_INDEX_BEGIN) {
@@ -1774,6 +1828,7 @@ bool syncNodeHasSnapshot(SSyncNode* pSyncNode) {
   return ret;
 }
 
+#if 0
 bool syncNodeIsIndexInSnapshot(SSyncNode* pSyncNode, SyncIndex index) {
   ASSERT(syncNodeHasSnapshot(pSyncNode));
   ASSERT(pSyncNode->pFsm->FpGetSnapshotInfo != NULL);
@@ -1784,6 +1839,7 @@ bool syncNodeIsIndexInSnapshot(SSyncNode* pSyncNode, SyncIndex index) {
   bool b = (index <= snapshot.lastApplyIndex);
   return b;
 }
+#endif
 
 SyncIndex syncNodeGetLastIndex(SSyncNode* pSyncNode) {
   SSnapshot snapshot = {.data = NULL, .lastApplyIndex = -1, .lastApplyTerm = 0};
@@ -1800,7 +1856,7 @@ SyncTerm syncNodeGetLastTerm(SSyncNode* pSyncNode) {
   SyncTerm lastTerm = 0;
   if (syncNodeHasSnapshot(pSyncNode)) {
     // has snapshot
-    SSnapshot snapshot = {.data = NULL, .lastApplyIndex = -1, .lastApplyTerm = 0};
+    SSnapshot snapshot = {.data = NULL, .lastApplyIndex = -1, .lastApplyTerm = 0, .lastConfigIndex = -1};
     if (pSyncNode->pFsm->FpGetSnapshotInfo != NULL) {
       pSyncNode->pFsm->FpGetSnapshotInfo(pSyncNode->pFsm, &snapshot);
     }
@@ -1834,8 +1890,8 @@ SyncIndex syncNodeSyncStartIndex(SSyncNode* pSyncNode) {
 
 SyncIndex syncNodeGetPreIndex(SSyncNode* pSyncNode, SyncIndex index) {
   ASSERT(index >= SYNC_INDEX_BEGIN);
-  SyncIndex syncStartIndex = syncNodeSyncStartIndex(pSyncNode);
 
+  SyncIndex syncStartIndex = syncNodeSyncStartIndex(pSyncNode);
   if (index > syncStartIndex) {
     syncNodeLog3("syncNodeGetPreIndex", pSyncNode);
     ASSERT(0);
@@ -1847,8 +1903,47 @@ SyncIndex syncNodeGetPreIndex(SSyncNode* pSyncNode, SyncIndex index) {
 
 SyncTerm syncNodeGetPreTerm(SSyncNode* pSyncNode, SyncIndex index) {
   ASSERT(index >= SYNC_INDEX_BEGIN);
-  SyncIndex syncStartIndex = syncNodeSyncStartIndex(pSyncNode);
 
+  SyncIndex syncStartIndex = syncNodeSyncStartIndex(pSyncNode);
+  if (index > syncStartIndex) {
+    syncNodeLog3("syncNodeGetPreTerm", pSyncNode);
+    ASSERT(0);
+  }
+
+  if (index == SYNC_INDEX_BEGIN) {
+    return 0;
+  }
+
+  SyncTerm        preTerm = 0;
+  SyncIndex       preIndex = index - 1;
+  SSyncRaftEntry* pPreEntry = NULL;
+  int32_t         code = pSyncNode->pLogStore->syncLogGetEntry(pSyncNode->pLogStore, preIndex, &pPreEntry);
+  if (code == 0) {
+    ASSERT(pPreEntry != NULL);
+    preTerm = pPreEntry->term;
+    taosMemoryFree(pPreEntry);
+    return preTerm;
+  } else {
+    if (terrno == TSDB_CODE_WAL_LOG_NOT_EXIST) {
+      SSnapshot snapshot = {.data = NULL, .lastApplyIndex = -1, .lastApplyTerm = 0, .lastConfigIndex = -1};
+      if (pSyncNode->pFsm->FpGetSnapshotInfo != NULL) {
+        pSyncNode->pFsm->FpGetSnapshotInfo(pSyncNode->pFsm, &snapshot);
+        if (snapshot.lastApplyIndex == preIndex) {
+          return snapshot.lastApplyTerm;
+        }
+      }
+    }
+  }
+
+  ASSERT(0);
+  return -1;
+}
+
+#if 0
+SyncTerm syncNodeGetPreTerm(SSyncNode* pSyncNode, SyncIndex index) {
+  ASSERT(index >= SYNC_INDEX_BEGIN);
+
+  SyncIndex syncStartIndex = syncNodeSyncStartIndex(pSyncNode);
   if (index > syncStartIndex) {
     syncNodeLog3("syncNodeGetPreTerm", pSyncNode);
     ASSERT(0);
@@ -1861,7 +1956,7 @@ SyncTerm syncNodeGetPreTerm(SSyncNode* pSyncNode, SyncIndex index) {
   SyncTerm preTerm = 0;
   if (syncNodeHasSnapshot(pSyncNode)) {
     // has snapshot
-    SSnapshot snapshot = {.data = NULL, .lastApplyIndex = -1, .lastApplyTerm = 0};
+    SSnapshot snapshot = {.data = NULL, .lastApplyIndex = -1, .lastApplyTerm = 0, .lastConfigIndex = -1};
     if (pSyncNode->pFsm->FpGetSnapshotInfo != NULL) {
       pSyncNode->pFsm->FpGetSnapshotInfo(pSyncNode->pFsm, &snapshot);
     }
@@ -1908,6 +2003,7 @@ SyncTerm syncNodeGetPreTerm(SSyncNode* pSyncNode, SyncIndex index) {
 
   return preTerm;
 }
+#endif
 
 // get pre index and term of "index"
 int32_t syncNodeGetPreIndexTerm(SSyncNode* pSyncNode, SyncIndex index, SyncIndex* pPreIndex, SyncTerm* pPreTerm) {
@@ -2062,17 +2158,17 @@ static void syncNodeEqHeartbeatTimer(void* param, void* tmrId) {
 
 static int32_t syncNodeEqNoop(SSyncNode* ths) {
   int32_t ret = 0;
-  assert(ths->state == TAOS_SYNC_STATE_LEADER);
+  ASSERT(ths->state == TAOS_SYNC_STATE_LEADER);
 
-  SyncIndex       index = ths->pLogStore->getLastIndex(ths->pLogStore) + 1;
+  SyncIndex       index = ths->pLogStore->syncLogWriteIndex(ths->pLogStore);
   SyncTerm        term = ths->pRaftStore->currentTerm;
   SSyncRaftEntry* pEntry = syncEntryBuildNoop(term, index, ths->vgId);
-  assert(pEntry != NULL);
+  ASSERT(pEntry != NULL);
 
   uint32_t           entryLen;
   char*              serialized = syncEntrySerialize(pEntry, &entryLen);
   SyncClientRequest* pSyncMsg = syncClientRequestBuild(entryLen);
-  assert(pSyncMsg->dataLen == entryLen);
+  ASSERT(pSyncMsg->dataLen == entryLen);
   memcpy(pSyncMsg->data, serialized, entryLen);
 
   SRpcMsg rpcMsg = {0};
@@ -2092,10 +2188,10 @@ static int32_t syncNodeEqNoop(SSyncNode* ths) {
 static int32_t syncNodeAppendNoop(SSyncNode* ths) {
   int32_t ret = 0;
 
-  SyncIndex       index = ths->pLogStore->getLastIndex(ths->pLogStore) + 1;
+  SyncIndex       index = ths->pLogStore->syncLogWriteIndex(ths->pLogStore);
   SyncTerm        term = ths->pRaftStore->currentTerm;
   SSyncRaftEntry* pEntry = syncEntryBuildNoop(term, index, ths->vgId);
-  assert(pEntry != NULL);
+  ASSERT(pEntry != NULL);
 
   if (ths->state == TAOS_SYNC_STATE_LEADER) {
     // ths->pLogStore->appendEntry(ths->pLogStore, pEntry);
@@ -2158,7 +2254,7 @@ int32_t syncNodeOnClientRequestCb(SSyncNode* ths, SyncClientRequest* pMsg) {
   SyncIndex       index = ths->pLogStore->syncLogWriteIndex(ths->pLogStore);
   SyncTerm        term = ths->pRaftStore->currentTerm;
   SSyncRaftEntry* pEntry = syncEntryBuild2((SyncClientRequest*)pMsg, term, index);
-  assert(pEntry != NULL);
+  ASSERT(pEntry != NULL);
 
   if (ths->state == TAOS_SYNC_STATE_LEADER) {
     // ths->pLogStore->appendEntry(ths->pLogStore, pEntry);
diff --git a/source/libs/sync/src/syncMessage.c b/source/libs/sync/src/syncMessage.c
index 454609009c..119a178893 100644
--- a/source/libs/sync/src/syncMessage.c
+++ b/source/libs/sync/src/syncMessage.c
@@ -186,18 +186,18 @@ void syncTimeoutDestroy(SyncTimeout* pMsg) {
 }
 
 void syncTimeoutSerialize(const SyncTimeout* pMsg, char* buf, uint32_t bufLen) {
-  assert(pMsg->bytes <= bufLen);
+  ASSERT(pMsg->bytes <= bufLen);
   memcpy(buf, pMsg, pMsg->bytes);
 }
 
 void syncTimeoutDeserialize(const char* buf, uint32_t len, SyncTimeout* pMsg) {
   memcpy(pMsg, buf, len);
-  assert(len == pMsg->bytes);
+  ASSERT(len == pMsg->bytes);
 }
 
 char* syncTimeoutSerialize2(const SyncTimeout* pMsg, uint32_t* len) {
   char* buf = taosMemoryMalloc(pMsg->bytes);
-  assert(buf != NULL);
+  ASSERT(buf != NULL);
   syncTimeoutSerialize(pMsg, buf, pMsg->bytes);
   if (len != NULL) {
     *len = pMsg->bytes;
@@ -208,9 +208,9 @@ char* syncTimeoutSerialize2(const SyncTimeout* pMsg, uint32_t* len) {
 SyncTimeout* syncTimeoutDeserialize2(const char* buf, uint32_t len) {
   uint32_t     bytes = *((uint32_t*)buf);
   SyncTimeout* pMsg = taosMemoryMalloc(bytes);
-  assert(pMsg != NULL);
+  ASSERT(pMsg != NULL);
   syncTimeoutDeserialize(buf, len, pMsg);
-  assert(len == pMsg->bytes);
+  ASSERT(len == pMsg->bytes);
   return pMsg;
 }
 
@@ -228,7 +228,7 @@ void syncTimeoutFromRpcMsg(const SRpcMsg* pRpcMsg, SyncTimeout* pMsg) {
 
 SyncTimeout* syncTimeoutFromRpcMsg2(const SRpcMsg* pRpcMsg) {
   SyncTimeout* pMsg = syncTimeoutDeserialize2(pRpcMsg->pCont, pRpcMsg->contLen);
-  assert(pMsg != NULL);
+  ASSERT(pMsg != NULL);
   return pMsg;
 }
 
@@ -322,19 +322,19 @@ void syncPingDestroy(SyncPing* pMsg) {
 }
 
 void syncPingSerialize(const SyncPing* pMsg, char* buf, uint32_t bufLen) {
-  assert(pMsg->bytes <= bufLen);
+  ASSERT(pMsg->bytes <= bufLen);
   memcpy(buf, pMsg, pMsg->bytes);
 }
 
 void syncPingDeserialize(const char* buf, uint32_t len, SyncPing* pMsg) {
   memcpy(pMsg, buf, len);
-  assert(len == pMsg->bytes);
-  assert(pMsg->bytes == sizeof(SyncPing) + pMsg->dataLen);
+  ASSERT(len == pMsg->bytes);
+  ASSERT(pMsg->bytes == sizeof(SyncPing) + pMsg->dataLen);
 }
 
 char* syncPingSerialize2(const SyncPing* pMsg, uint32_t* len) {
   char* buf = taosMemoryMalloc(pMsg->bytes);
-  assert(buf != NULL);
+  ASSERT(buf != NULL);
   syncPingSerialize(pMsg, buf, pMsg->bytes);
   if (len != NULL) {
     *len = pMsg->bytes;
@@ -345,9 +345,9 @@ char* syncPingSerialize2(const SyncPing* pMsg, uint32_t* len) {
 SyncPing* syncPingDeserialize2(const char* buf, uint32_t len) {
   uint32_t  bytes = *((uint32_t*)buf);
   SyncPing* pMsg = taosMemoryMalloc(bytes);
-  assert(pMsg != NULL);
+  ASSERT(pMsg != NULL);
   syncPingDeserialize(buf, len, pMsg);
-  assert(len == pMsg->bytes);
+  ASSERT(len == pMsg->bytes);
   return pMsg;
 }
 
@@ -406,7 +406,7 @@ SyncPing* syncPingDeserialize3(void* buf, int32_t bufLen) {
   }
 
   pMsg = taosMemoryMalloc(bytes);
-  assert(pMsg != NULL);
+  ASSERT(pMsg != NULL);
   pMsg->bytes = bytes;
 
   if (tDecodeI32(&decoder, &pMsg->vgId) < 0) {
@@ -435,7 +435,7 @@ SyncPing* syncPingDeserialize3(void* buf, int32_t bufLen) {
   if (tDecodeBinary(&decoder, (uint8_t**)(&data), &len) < 0) {
     return NULL;
   }
-  assert(len = pMsg->dataLen);
+  ASSERT(len = pMsg->dataLen);
   memcpy(pMsg->data, data, len);
 
   tEndDecode(&decoder);
@@ -457,7 +457,7 @@ void syncPingFromRpcMsg(const SRpcMsg* pRpcMsg, SyncPing* pMsg) {
 
 SyncPing* syncPingFromRpcMsg2(const SRpcMsg* pRpcMsg) {
   SyncPing* pMsg = syncPingDeserialize2(pRpcMsg->pCont, pRpcMsg->contLen);
-  assert(pMsg != NULL);
+  ASSERT(pMsg != NULL);
   return pMsg;
 }
 
@@ -584,19 +584,19 @@ void syncPingReplyDestroy(SyncPingReply* pMsg) {
 }
 
 void syncPingReplySerialize(const SyncPingReply* pMsg, char* buf, uint32_t bufLen) {
-  assert(pMsg->bytes <= bufLen);
+  ASSERT(pMsg->bytes <= bufLen);
   memcpy(buf, pMsg, pMsg->bytes);
 }
 
 void syncPingReplyDeserialize(const char* buf, uint32_t len, SyncPingReply* pMsg) {
   memcpy(pMsg, buf, len);
-  assert(len == pMsg->bytes);
-  assert(pMsg->bytes == sizeof(SyncPing) + pMsg->dataLen);
+  ASSERT(len == pMsg->bytes);
+  ASSERT(pMsg->bytes == sizeof(SyncPing) + pMsg->dataLen);
 }
 
 char* syncPingReplySerialize2(const SyncPingReply* pMsg, uint32_t* len) {
   char* buf = taosMemoryMalloc(pMsg->bytes);
-  assert(buf != NULL);
+  ASSERT(buf != NULL);
   syncPingReplySerialize(pMsg, buf, pMsg->bytes);
   if (len != NULL) {
     *len = pMsg->bytes;
@@ -607,9 +607,9 @@ char* syncPingReplySerialize2(const SyncPingReply* pMsg, uint32_t* len) {
 SyncPingReply* syncPingReplyDeserialize2(const char* buf, uint32_t len) {
   uint32_t       bytes = *((uint32_t*)buf);
   SyncPingReply* pMsg = taosMemoryMalloc(bytes);
-  assert(pMsg != NULL);
+  ASSERT(pMsg != NULL);
   syncPingReplyDeserialize(buf, len, pMsg);
-  assert(len == pMsg->bytes);
+  ASSERT(len == pMsg->bytes);
   return pMsg;
 }
 
@@ -668,7 +668,7 @@ SyncPingReply* syncPingReplyDeserialize3(void* buf, int32_t bufLen) {
   }
 
   pMsg = taosMemoryMalloc(bytes);
-  assert(pMsg != NULL);
+  ASSERT(pMsg != NULL);
   pMsg->bytes = bytes;
 
   if (tDecodeI32(&decoder, &pMsg->vgId) < 0) {
@@ -697,7 +697,7 @@ SyncPingReply* syncPingReplyDeserialize3(void* buf, int32_t bufLen) {
   if (tDecodeBinary(&decoder, (uint8_t**)(&data), &len) < 0) {
     return NULL;
   }
-  assert(len = pMsg->dataLen);
+  ASSERT(len = pMsg->dataLen);
   memcpy(pMsg->data, data, len);
 
   tEndDecode(&decoder);
@@ -719,7 +719,7 @@ void syncPingReplyFromRpcMsg(const SRpcMsg* pRpcMsg, SyncPingReply* pMsg) {
 
 SyncPingReply* syncPingReplyFromRpcMsg2(const SRpcMsg* pRpcMsg) {
   SyncPingReply* pMsg = syncPingReplyDeserialize2(pRpcMsg->pCont, pRpcMsg->contLen);
-  assert(pMsg != NULL);
+  ASSERT(pMsg != NULL);
   return pMsg;
 }
 
@@ -844,18 +844,18 @@ void syncClientRequestDestroy(SyncClientRequest* pMsg) {
 }
 
 void syncClientRequestSerialize(const SyncClientRequest* pMsg, char* buf, uint32_t bufLen) {
-  assert(pMsg->bytes <= bufLen);
+  ASSERT(pMsg->bytes <= bufLen);
   memcpy(buf, pMsg, pMsg->bytes);
 }
 
 void syncClientRequestDeserialize(const char* buf, uint32_t len, SyncClientRequest* pMsg) {
   memcpy(pMsg, buf, len);
-  assert(len == pMsg->bytes);
+  ASSERT(len == pMsg->bytes);
 }
 
 char* syncClientRequestSerialize2(const SyncClientRequest* pMsg, uint32_t* len) {
   char* buf = taosMemoryMalloc(pMsg->bytes);
-  assert(buf != NULL);
+  ASSERT(buf != NULL);
   syncClientRequestSerialize(pMsg, buf, pMsg->bytes);
   if (len != NULL) {
     *len = pMsg->bytes;
@@ -866,9 +866,9 @@ char* syncClientRequestSerialize2(const SyncClientRequest* pMsg, uint32_t* len)
 SyncClientRequest* syncClientRequestDeserialize2(const char* buf, uint32_t len) {
   uint32_t           bytes = *((uint32_t*)buf);
   SyncClientRequest* pMsg = taosMemoryMalloc(bytes);
-  assert(pMsg != NULL);
+  ASSERT(pMsg != NULL);
   syncClientRequestDeserialize(buf, len, pMsg);
-  assert(len == pMsg->bytes);
+  ASSERT(len == pMsg->bytes);
   return pMsg;
 }
 
@@ -888,7 +888,7 @@ void syncClientRequestFromRpcMsg(const SRpcMsg* pRpcMsg, SyncClientRequest* pMsg
 // step 3. RpcMsg => SyncClientRequest, from queue
 SyncClientRequest* syncClientRequestFromRpcMsg2(const SRpcMsg* pRpcMsg) {
   SyncClientRequest* pMsg = syncClientRequestDeserialize2(pRpcMsg->pCont, pRpcMsg->contLen);
-  assert(pMsg != NULL);
+  ASSERT(pMsg != NULL);
   return pMsg;
 }
 
@@ -974,18 +974,18 @@ void syncRequestVoteDestroy(SyncRequestVote* pMsg) {
 }
 
 void syncRequestVoteSerialize(const SyncRequestVote* pMsg, char* buf, uint32_t bufLen) {
-  assert(pMsg->bytes <= bufLen);
+  ASSERT(pMsg->bytes <= bufLen);
   memcpy(buf, pMsg, pMsg->bytes);
 }
 
 void syncRequestVoteDeserialize(const char* buf, uint32_t len, SyncRequestVote* pMsg) {
   memcpy(pMsg, buf, len);
-  assert(len == pMsg->bytes);
+  ASSERT(len == pMsg->bytes);
 }
 
 char* syncRequestVoteSerialize2(const SyncRequestVote* pMsg, uint32_t* len) {
   char* buf = taosMemoryMalloc(pMsg->bytes);
-  assert(buf != NULL);
+  ASSERT(buf != NULL);
   syncRequestVoteSerialize(pMsg, buf, pMsg->bytes);
   if (len != NULL) {
     *len = pMsg->bytes;
@@ -996,9 +996,9 @@ char* syncRequestVoteSerialize2(const SyncRequestVote* pMsg, uint32_t* len) {
 SyncRequestVote* syncRequestVoteDeserialize2(const char* buf, uint32_t len) {
   uint32_t         bytes = *((uint32_t*)buf);
   SyncRequestVote* pMsg = taosMemoryMalloc(bytes);
-  assert(pMsg != NULL);
+  ASSERT(pMsg != NULL);
   syncRequestVoteDeserialize(buf, len, pMsg);
-  assert(len == pMsg->bytes);
+  ASSERT(len == pMsg->bytes);
   return pMsg;
 }
 
@@ -1016,7 +1016,7 @@ void syncRequestVoteFromRpcMsg(const SRpcMsg* pRpcMsg, SyncRequestVote* pMsg) {
 
 SyncRequestVote* syncRequestVoteFromRpcMsg2(const SRpcMsg* pRpcMsg) {
   SyncRequestVote* pMsg = syncRequestVoteDeserialize2(pRpcMsg->pCont, pRpcMsg->contLen);
-  assert(pMsg != NULL);
+  ASSERT(pMsg != NULL);
   return pMsg;
 }
 
@@ -1125,18 +1125,18 @@ void syncRequestVoteReplyDestroy(SyncRequestVoteReply* pMsg) {
 }
 
 void syncRequestVoteReplySerialize(const SyncRequestVoteReply* pMsg, char* buf, uint32_t bufLen) {
-  assert(pMsg->bytes <= bufLen);
+  ASSERT(pMsg->bytes <= bufLen);
   memcpy(buf, pMsg, pMsg->bytes);
 }
 
 void syncRequestVoteReplyDeserialize(const char* buf, uint32_t len, SyncRequestVoteReply* pMsg) {
   memcpy(pMsg, buf, len);
-  assert(len == pMsg->bytes);
+  ASSERT(len == pMsg->bytes);
 }
 
 char* syncRequestVoteReplySerialize2(const SyncRequestVoteReply* pMsg, uint32_t* len) {
   char* buf = taosMemoryMalloc(pMsg->bytes);
-  assert(buf != NULL);
+  ASSERT(buf != NULL);
   syncRequestVoteReplySerialize(pMsg, buf, pMsg->bytes);
   if (len != NULL) {
     *len = pMsg->bytes;
@@ -1147,9 +1147,9 @@ char* syncRequestVoteReplySerialize2(const SyncRequestVoteReply* pMsg, uint32_t*
 SyncRequestVoteReply* syncRequestVoteReplyDeserialize2(const char* buf, uint32_t len) {
   uint32_t              bytes = *((uint32_t*)buf);
   SyncRequestVoteReply* pMsg = taosMemoryMalloc(bytes);
-  assert(pMsg != NULL);
+  ASSERT(pMsg != NULL);
   syncRequestVoteReplyDeserialize(buf, len, pMsg);
-  assert(len == pMsg->bytes);
+  ASSERT(len == pMsg->bytes);
   return pMsg;
 }
 
@@ -1167,7 +1167,7 @@ void syncRequestVoteReplyFromRpcMsg(const SRpcMsg* pRpcMsg, SyncRequestVoteReply
 
 SyncRequestVoteReply* syncRequestVoteReplyFromRpcMsg2(const SRpcMsg* pRpcMsg) {
   SyncRequestVoteReply* pMsg = syncRequestVoteReplyDeserialize2(pRpcMsg->pCont, pRpcMsg->contLen);
-  assert(pMsg != NULL);
+  ASSERT(pMsg != NULL);
   return pMsg;
 }
 
@@ -1274,19 +1274,19 @@ void syncAppendEntriesDestroy(SyncAppendEntries* pMsg) {
 }
 
 void syncAppendEntriesSerialize(const SyncAppendEntries* pMsg, char* buf, uint32_t bufLen) {
-  assert(pMsg->bytes <= bufLen);
+  ASSERT(pMsg->bytes <= bufLen);
   memcpy(buf, pMsg, pMsg->bytes);
 }
 
 void syncAppendEntriesDeserialize(const char* buf, uint32_t len, SyncAppendEntries* pMsg) {
   memcpy(pMsg, buf, len);
-  assert(len == pMsg->bytes);
-  assert(pMsg->bytes == sizeof(SyncAppendEntries) + pMsg->dataLen);
+  ASSERT(len == pMsg->bytes);
+  ASSERT(pMsg->bytes == sizeof(SyncAppendEntries) + pMsg->dataLen);
 }
 
 char* syncAppendEntriesSerialize2(const SyncAppendEntries* pMsg, uint32_t* len) {
   char* buf = taosMemoryMalloc(pMsg->bytes);
-  assert(buf != NULL);
+  ASSERT(buf != NULL);
   syncAppendEntriesSerialize(pMsg, buf, pMsg->bytes);
   if (len != NULL) {
     *len = pMsg->bytes;
@@ -1297,9 +1297,9 @@ char* syncAppendEntriesSerialize2(const SyncAppendEntries* pMsg, uint32_t* len)
 SyncAppendEntries* syncAppendEntriesDeserialize2(const char* buf, uint32_t len) {
   uint32_t           bytes = *((uint32_t*)buf);
   SyncAppendEntries* pMsg = taosMemoryMalloc(bytes);
-  assert(pMsg != NULL);
+  ASSERT(pMsg != NULL);
   syncAppendEntriesDeserialize(buf, len, pMsg);
-  assert(len == pMsg->bytes);
+  ASSERT(len == pMsg->bytes);
   return pMsg;
 }
 
@@ -1317,7 +1317,7 @@ void syncAppendEntriesFromRpcMsg(const SRpcMsg* pRpcMsg, SyncAppendEntries* pMsg
 
 SyncAppendEntries* syncAppendEntriesFromRpcMsg2(const SRpcMsg* pRpcMsg) {
   SyncAppendEntries* pMsg = syncAppendEntriesDeserialize2(pRpcMsg->pCont, pRpcMsg->contLen);
-  assert(pMsg != NULL);
+  ASSERT(pMsg != NULL);
   return pMsg;
 }
 
@@ -1444,18 +1444,18 @@ void syncAppendEntriesReplyDestroy(SyncAppendEntriesReply* pMsg) {
 }
 
 void syncAppendEntriesReplySerialize(const SyncAppendEntriesReply* pMsg, char* buf, uint32_t bufLen) {
-  assert(pMsg->bytes <= bufLen);
+  ASSERT(pMsg->bytes <= bufLen);
   memcpy(buf, pMsg, pMsg->bytes);
 }
 
 void syncAppendEntriesReplyDeserialize(const char* buf, uint32_t len, SyncAppendEntriesReply* pMsg) {
   memcpy(pMsg, buf, len);
-  assert(len == pMsg->bytes);
+  ASSERT(len == pMsg->bytes);
 }
 
 char* syncAppendEntriesReplySerialize2(const SyncAppendEntriesReply* pMsg, uint32_t* len) {
   char* buf = taosMemoryMalloc(pMsg->bytes);
-  assert(buf != NULL);
+  ASSERT(buf != NULL);
   syncAppendEntriesReplySerialize(pMsg, buf, pMsg->bytes);
   if (len != NULL) {
     *len = pMsg->bytes;
@@ -1466,9 +1466,9 @@ char* syncAppendEntriesReplySerialize2(const SyncAppendEntriesReply* pMsg, uint3
 SyncAppendEntriesReply* syncAppendEntriesReplyDeserialize2(const char* buf, uint32_t len) {
   uint32_t                bytes = *((uint32_t*)buf);
   SyncAppendEntriesReply* pMsg = taosMemoryMalloc(bytes);
-  assert(pMsg != NULL);
+  ASSERT(pMsg != NULL);
   syncAppendEntriesReplyDeserialize(buf, len, pMsg);
-  assert(len == pMsg->bytes);
+  ASSERT(len == pMsg->bytes);
   return pMsg;
 }
 
@@ -1486,7 +1486,7 @@ void syncAppendEntriesReplyFromRpcMsg(const SRpcMsg* pRpcMsg, SyncAppendEntriesR
 
 SyncAppendEntriesReply* syncAppendEntriesReplyFromRpcMsg2(const SRpcMsg* pRpcMsg) {
   SyncAppendEntriesReply* pMsg = syncAppendEntriesReplyDeserialize2(pRpcMsg->pCont, pRpcMsg->contLen);
-  assert(pMsg != NULL);
+  ASSERT(pMsg != NULL);
   return pMsg;
 }
 
@@ -1607,18 +1607,18 @@ void syncApplyMsgDestroy(SyncApplyMsg* pMsg) {
 }
 
 void syncApplyMsgSerialize(const SyncApplyMsg* pMsg, char* buf, uint32_t bufLen) {
-  assert(pMsg->bytes <= bufLen);
+  ASSERT(pMsg->bytes <= bufLen);
   memcpy(buf, pMsg, pMsg->bytes);
 }
 
 void syncApplyMsgDeserialize(const char* buf, uint32_t len, SyncApplyMsg* pMsg) {
   memcpy(pMsg, buf, len);
-  assert(len == pMsg->bytes);
+  ASSERT(len == pMsg->bytes);
 }
 
 char* syncApplyMsgSerialize2(const SyncApplyMsg* pMsg, uint32_t* len) {
   char* buf = taosMemoryMalloc(pMsg->bytes);
-  assert(buf != NULL);
+  ASSERT(buf != NULL);
   syncApplyMsgSerialize(pMsg, buf, pMsg->bytes);
   if (len != NULL) {
     *len = pMsg->bytes;
@@ -1629,9 +1629,9 @@ char* syncApplyMsgSerialize2(const SyncApplyMsg* pMsg, uint32_t* len) {
 SyncApplyMsg* syncApplyMsgDeserialize2(const char* buf, uint32_t len) {
   uint32_t      bytes = *((uint32_t*)buf);
   SyncApplyMsg* pMsg = taosMemoryMalloc(bytes);
-  assert(pMsg != NULL);
+  ASSERT(pMsg != NULL);
   syncApplyMsgDeserialize(buf, len, pMsg);
-  assert(len == pMsg->bytes);
+  ASSERT(len == pMsg->bytes);
   return pMsg;
 }
 
@@ -1752,19 +1752,19 @@ void syncSnapshotSendDestroy(SyncSnapshotSend* pMsg) {
 }
 
 void syncSnapshotSendSerialize(const SyncSnapshotSend* pMsg, char* buf, uint32_t bufLen) {
-  assert(pMsg->bytes <= bufLen);
+  ASSERT(pMsg->bytes <= bufLen);
   memcpy(buf, pMsg, pMsg->bytes);
 }
 
 void syncSnapshotSendDeserialize(const char* buf, uint32_t len, SyncSnapshotSend* pMsg) {
   memcpy(pMsg, buf, len);
-  assert(len == pMsg->bytes);
-  assert(pMsg->bytes == sizeof(SyncSnapshotSend) + pMsg->dataLen);
+  ASSERT(len == pMsg->bytes);
+  ASSERT(pMsg->bytes == sizeof(SyncSnapshotSend) + pMsg->dataLen);
 }
 
 char* syncSnapshotSendSerialize2(const SyncSnapshotSend* pMsg, uint32_t* len) {
   char* buf = taosMemoryMalloc(pMsg->bytes);
-  assert(buf != NULL);
+  ASSERT(buf != NULL);
   syncSnapshotSendSerialize(pMsg, buf, pMsg->bytes);
   if (len != NULL) {
     *len = pMsg->bytes;
@@ -1775,9 +1775,9 @@ char* syncSnapshotSendSerialize2(const SyncSnapshotSend* pMsg, uint32_t* len) {
 SyncSnapshotSend* syncSnapshotSendDeserialize2(const char* buf, uint32_t len) {
   uint32_t          bytes = *((uint32_t*)buf);
   SyncSnapshotSend* pMsg = taosMemoryMalloc(bytes);
-  assert(pMsg != NULL);
+  ASSERT(pMsg != NULL);
   syncSnapshotSendDeserialize(buf, len, pMsg);
-  assert(len == pMsg->bytes);
+  ASSERT(len == pMsg->bytes);
   return pMsg;
 }
 
@@ -1795,7 +1795,7 @@ void syncSnapshotSendFromRpcMsg(const SRpcMsg* pRpcMsg, SyncSnapshotSend* pMsg)
 
 SyncSnapshotSend* syncSnapshotSendFromRpcMsg2(const SRpcMsg* pRpcMsg) {
   SyncSnapshotSend* pMsg = syncSnapshotSendDeserialize2(pRpcMsg->pCont, pRpcMsg->contLen);
-  assert(pMsg != NULL);
+  ASSERT(pMsg != NULL);
   return pMsg;
 }
 
@@ -1925,18 +1925,18 @@ void syncSnapshotRspDestroy(SyncSnapshotRsp* pMsg) {
 }
 
 void syncSnapshotRspSerialize(const SyncSnapshotRsp* pMsg, char* buf, uint32_t bufLen) {
-  assert(pMsg->bytes <= bufLen);
+  ASSERT(pMsg->bytes <= bufLen);
   memcpy(buf, pMsg, pMsg->bytes);
 }
 
 void syncSnapshotRspDeserialize(const char* buf, uint32_t len, SyncSnapshotRsp* pMsg) {
   memcpy(pMsg, buf, len);
-  assert(len == pMsg->bytes);
+  ASSERT(len == pMsg->bytes);
 }
 
 char* syncSnapshotRspSerialize2(const SyncSnapshotRsp* pMsg, uint32_t* len) {
   char* buf = taosMemoryMalloc(pMsg->bytes);
-  assert(buf != NULL);
+  ASSERT(buf != NULL);
   syncSnapshotRspSerialize(pMsg, buf, pMsg->bytes);
   if (len != NULL) {
     *len = pMsg->bytes;
@@ -1947,9 +1947,9 @@ char* syncSnapshotRspSerialize2(const SyncSnapshotRsp* pMsg, uint32_t* len) {
 SyncSnapshotRsp* syncSnapshotRspDeserialize2(const char* buf, uint32_t len) {
   uint32_t         bytes = *((uint32_t*)buf);
   SyncSnapshotRsp* pMsg = taosMemoryMalloc(bytes);
-  assert(pMsg != NULL);
+  ASSERT(pMsg != NULL);
   syncSnapshotRspDeserialize(buf, len, pMsg);
-  assert(len == pMsg->bytes);
+  ASSERT(len == pMsg->bytes);
   return pMsg;
 }
 
@@ -1967,7 +1967,7 @@ void syncSnapshotRspFromRpcMsg(const SRpcMsg* pRpcMsg, SyncSnapshotRsp* pMsg) {
 
 SyncSnapshotRsp* syncSnapshotRspFromRpcMsg2(const SRpcMsg* pRpcMsg) {
   SyncSnapshotRsp* pMsg = syncSnapshotRspDeserialize2(pRpcMsg->pCont, pRpcMsg->contLen);
-  assert(pMsg != NULL);
+  ASSERT(pMsg != NULL);
   return pMsg;
 }
 
@@ -2085,18 +2085,18 @@ void syncLeaderTransferDestroy(SyncLeaderTransfer* pMsg) {
 }
 
 void syncLeaderTransferSerialize(const SyncLeaderTransfer* pMsg, char* buf, uint32_t bufLen) {
-  assert(pMsg->bytes <= bufLen);
+  ASSERT(pMsg->bytes <= bufLen);
   memcpy(buf, pMsg, pMsg->bytes);
 }
 
 void syncLeaderTransferDeserialize(const char* buf, uint32_t len, SyncLeaderTransfer* pMsg) {
   memcpy(pMsg, buf, len);
-  assert(len == pMsg->bytes);
+  ASSERT(len == pMsg->bytes);
 }
 
 char* syncLeaderTransferSerialize2(const SyncLeaderTransfer* pMsg, uint32_t* len) {
   char* buf = taosMemoryMalloc(pMsg->bytes);
-  assert(buf != NULL);
+  ASSERT(buf != NULL);
   syncLeaderTransferSerialize(pMsg, buf, pMsg->bytes);
   if (len != NULL) {
     *len = pMsg->bytes;
@@ -2107,9 +2107,9 @@ char* syncLeaderTransferSerialize2(const SyncLeaderTransfer* pMsg, uint32_t* len
 SyncLeaderTransfer* syncLeaderTransferDeserialize2(const char* buf, uint32_t len) {
   uint32_t            bytes = *((uint32_t*)buf);
   SyncLeaderTransfer* pMsg = taosMemoryMalloc(bytes);
-  assert(pMsg != NULL);
+  ASSERT(pMsg != NULL);
   syncLeaderTransferDeserialize(buf, len, pMsg);
-  assert(len == pMsg->bytes);
+  ASSERT(len == pMsg->bytes);
   return pMsg;
 }
 
@@ -2127,7 +2127,7 @@ void syncLeaderTransferFromRpcMsg(const SRpcMsg* pRpcMsg, SyncLeaderTransfer* pM
 
 SyncLeaderTransfer* syncLeaderTransferFromRpcMsg2(const SRpcMsg* pRpcMsg) {
   SyncLeaderTransfer* pMsg = syncLeaderTransferDeserialize2(pRpcMsg->pCont, pRpcMsg->contLen);
-  assert(pMsg != NULL);
+  ASSERT(pMsg != NULL);
   return pMsg;
 }
 
@@ -2247,18 +2247,18 @@ void syncReconfigFinishDestroy(SyncReconfigFinish* pMsg) {
 }
 
 void syncReconfigFinishSerialize(const SyncReconfigFinish* pMsg, char* buf, uint32_t bufLen) {
-  assert(pMsg->bytes <= bufLen);
+  ASSERT(pMsg->bytes <= bufLen);
   memcpy(buf, pMsg, pMsg->bytes);
 }
 
 void syncReconfigFinishDeserialize(const char* buf, uint32_t len, SyncReconfigFinish* pMsg) {
   memcpy(pMsg, buf, len);
-  assert(len == pMsg->bytes);
+  ASSERT(len == pMsg->bytes);
 }
 
 char* syncReconfigFinishSerialize2(const SyncReconfigFinish* pMsg, uint32_t* len) {
   char* buf = taosMemoryMalloc(pMsg->bytes);
-  assert(buf != NULL);
+  ASSERT(buf != NULL);
   syncReconfigFinishSerialize(pMsg, buf, pMsg->bytes);
   if (len != NULL) {
     *len = pMsg->bytes;
@@ -2269,9 +2269,9 @@ char* syncReconfigFinishSerialize2(const SyncReconfigFinish* pMsg, uint32_t* len
 SyncReconfigFinish* syncReconfigFinishDeserialize2(const char* buf, uint32_t len) {
   uint32_t            bytes = *((uint32_t*)buf);
   SyncReconfigFinish* pMsg = taosMemoryMalloc(bytes);
-  assert(pMsg != NULL);
+  ASSERT(pMsg != NULL);
   syncReconfigFinishDeserialize(buf, len, pMsg);
-  assert(len == pMsg->bytes);
+  ASSERT(len == pMsg->bytes);
   return pMsg;
 }
 
@@ -2289,7 +2289,7 @@ void syncReconfigFinishFromRpcMsg(const SRpcMsg* pRpcMsg, SyncReconfigFinish* pM
 
 SyncReconfigFinish* syncReconfigFinishFromRpcMsg2(const SRpcMsg* pRpcMsg) {
   SyncReconfigFinish* pMsg = syncReconfigFinishDeserialize2(pRpcMsg->pCont, pRpcMsg->contLen);
-  assert(pMsg != NULL);
+  ASSERT(pMsg != NULL);
   return pMsg;
 }
 
diff --git a/source/libs/sync/src/syncRaftCfg.c b/source/libs/sync/src/syncRaftCfg.c
index 7d020f6892..2cc1eb0239 100644
--- a/source/libs/sync/src/syncRaftCfg.c
+++ b/source/libs/sync/src/syncRaftCfg.c
@@ -24,29 +24,29 @@ SRaftCfg *raftCfgOpen(const char *path) {
   snprintf(pCfg->path, sizeof(pCfg->path), "%s", path);
 
   pCfg->pFile = taosOpenFile(pCfg->path, TD_FILE_READ | TD_FILE_WRITE);
-  assert(pCfg->pFile != NULL);
+  ASSERT(pCfg->pFile != NULL);
 
   taosLSeekFile(pCfg->pFile, 0, SEEK_SET);
 
   char buf[1024] = {0};
   int  len = taosReadFile(pCfg->pFile, buf, sizeof(buf));
-  assert(len > 0);
+  ASSERT(len > 0);
 
   int32_t ret = raftCfgFromStr(buf, pCfg);
-  assert(ret == 0);
+  ASSERT(ret == 0);
 
   return pCfg;
 }
 
 int32_t raftCfgClose(SRaftCfg *pRaftCfg) {
   int64_t ret = taosCloseFile(&(pRaftCfg->pFile));
-  assert(ret == 0);
+  ASSERT(ret == 0);
   taosMemoryFree(pRaftCfg);
   return 0;
 }
 
 int32_t raftCfgPersist(SRaftCfg *pRaftCfg) {
-  assert(pRaftCfg != NULL);
+  ASSERT(pRaftCfg != NULL);
 
   char *s = raftCfg2Str(pRaftCfg);
   taosLSeekFile(pRaftCfg->pFile, 0, SEEK_SET);
@@ -61,10 +61,10 @@ int32_t raftCfgPersist(SRaftCfg *pRaftCfg) {
 
   snprintf(buf, sizeof(buf), "%s", s);
   int64_t ret = taosWriteFile(pRaftCfg->pFile, buf, sizeof(buf));
-  assert(ret == sizeof(buf));
+  ASSERT(ret == sizeof(buf));
 
   // int64_t ret = taosWriteFile(pRaftCfg->pFile, s, strlen(s) + 1);
-  // assert(ret == strlen(s) + 1);
+  // ASSERT(ret == strlen(s) + 1);
 
   taosMemoryFree(s);
   taosFsyncFile(pRaftCfg->pFile);
@@ -135,27 +135,27 @@ int32_t syncCfgFromJson(const cJSON *pRoot, SSyncCfg *pSyncCfg) {
   const cJSON *pJson = pRoot;
 
   cJSON *pReplicaNum = cJSON_GetObjectItem(pJson, "replicaNum");
-  assert(cJSON_IsNumber(pReplicaNum));
+  ASSERT(cJSON_IsNumber(pReplicaNum));
   pSyncCfg->replicaNum = cJSON_GetNumberValue(pReplicaNum);
 
   cJSON *pMyIndex = cJSON_GetObjectItem(pJson, "myIndex");
-  assert(cJSON_IsNumber(pMyIndex));
+  ASSERT(cJSON_IsNumber(pMyIndex));
   pSyncCfg->myIndex = cJSON_GetNumberValue(pMyIndex);
 
   cJSON *pNodeInfoArr = cJSON_GetObjectItem(pJson, "nodeInfo");
   int    arraySize = cJSON_GetArraySize(pNodeInfoArr);
-  assert(arraySize == pSyncCfg->replicaNum);
+  ASSERT(arraySize == pSyncCfg->replicaNum);
 
   for (int i = 0; i < arraySize; ++i) {
     cJSON *pNodeInfo = cJSON_GetArrayItem(pNodeInfoArr, i);
-    assert(pNodeInfo != NULL);
+    ASSERT(pNodeInfo != NULL);
 
     cJSON *pNodePort = cJSON_GetObjectItem(pNodeInfo, "nodePort");
-    assert(cJSON_IsNumber(pNodePort));
+    ASSERT(cJSON_IsNumber(pNodePort));
     ((pSyncCfg->nodeInfo)[i]).nodePort = cJSON_GetNumberValue(pNodePort);
 
     cJSON *pNodeFqdn = cJSON_GetObjectItem(pNodeInfo, "nodeFqdn");
-    assert(cJSON_IsString(pNodeFqdn));
+    ASSERT(cJSON_IsString(pNodeFqdn));
     snprintf(((pSyncCfg->nodeInfo)[i]).nodeFqdn, sizeof(((pSyncCfg->nodeInfo)[i]).nodeFqdn), "%s",
              pNodeFqdn->valuestring);
   }
@@ -165,10 +165,10 @@ int32_t syncCfgFromJson(const cJSON *pRoot, SSyncCfg *pSyncCfg) {
 
 int32_t syncCfgFromStr(const char *s, SSyncCfg *pSyncCfg) {
   cJSON *pRoot = cJSON_Parse(s);
-  assert(pRoot != NULL);
+  ASSERT(pRoot != NULL);
 
   int32_t ret = syncCfgFromJson(pRoot, pSyncCfg);
-  assert(ret == 0);
+  ASSERT(ret == 0);
 
   cJSON_Delete(pRoot);
   return 0;
@@ -207,10 +207,10 @@ char *raftCfg2Str(SRaftCfg *pRaftCfg) {
 }
 
 int32_t raftCfgCreateFile(SSyncCfg *pCfg, SRaftCfgMeta meta, const char *path) {
-  assert(pCfg != NULL);
+  ASSERT(pCfg != NULL);
 
   TdFilePtr pFile = taosOpenFile(path, TD_FILE_CREATE | TD_FILE_WRITE);
-  assert(pFile != NULL);
+  ASSERT(pFile != NULL);
 
   SRaftCfg raftCfg;
   raftCfg.cfg = *pCfg;
@@ -227,10 +227,10 @@ int32_t raftCfgCreateFile(SSyncCfg *pCfg, SRaftCfgMeta meta, const char *path) {
   ASSERT(strlen(s) + 1 <= CONFIG_FILE_LEN);
   snprintf(buf, sizeof(buf), "%s", s);
   int64_t ret = taosWriteFile(pFile, buf, sizeof(buf));
-  assert(ret == sizeof(buf));
+  ASSERT(ret == sizeof(buf));
 
   // int64_t ret = taosWriteFile(pFile, s, strlen(s) + 1);
-  // assert(ret == strlen(s) + 1);
+  // ASSERT(ret == strlen(s) + 1);
 
   taosMemoryFree(s);
   taosCloseFile(&pFile);
@@ -255,15 +255,15 @@ int32_t raftCfgFromJson(const cJSON *pRoot, SRaftCfg *pRaftCfg) {
 
   cJSON *pIndexArr = cJSON_GetObjectItem(pJson, "configIndexArr");
   int    arraySize = cJSON_GetArraySize(pIndexArr);
-  assert(arraySize == pRaftCfg->configIndexCount);
+  ASSERT(arraySize == pRaftCfg->configIndexCount);
 
   memset(pRaftCfg->configIndexArr, 0, sizeof(pRaftCfg->configIndexArr));
   for (int i = 0; i < arraySize; ++i) {
     cJSON *pIndexObj = cJSON_GetArrayItem(pIndexArr, i);
-    assert(pIndexObj != NULL);
+    ASSERT(pIndexObj != NULL);
 
     cJSON *pIndex = cJSON_GetObjectItem(pIndexObj, "index");
-    assert(cJSON_IsString(pIndex));
+    ASSERT(cJSON_IsString(pIndex));
     (pRaftCfg->configIndexArr)[i] = atoll(pIndex->valuestring);
   }
 
@@ -276,10 +276,10 @@ int32_t raftCfgFromJson(const cJSON *pRoot, SRaftCfg *pRaftCfg) {
 
 int32_t raftCfgFromStr(const char *s, SRaftCfg *pRaftCfg) {
   cJSON *pRoot = cJSON_Parse(s);
-  assert(pRoot != NULL);
+  ASSERT(pRoot != NULL);
 
   int32_t ret = raftCfgFromJson(pRoot, pRaftCfg);
-  assert(ret == 0);
+  ASSERT(ret == 0);
 
   cJSON_Delete(pRoot);
   return 0;
diff --git a/source/libs/sync/src/syncRaftEntry.c b/source/libs/sync/src/syncRaftEntry.c
index 05a2dbaa3f..ff334a76bb 100644
--- a/source/libs/sync/src/syncRaftEntry.c
+++ b/source/libs/sync/src/syncRaftEntry.c
@@ -19,7 +19,7 @@
 SSyncRaftEntry* syncEntryBuild(uint32_t dataLen) {
   uint32_t        bytes = sizeof(SSyncRaftEntry) + dataLen;
   SSyncRaftEntry* pEntry = taosMemoryMalloc(bytes);
-  assert(pEntry != NULL);
+  ASSERT(pEntry != NULL);
   memset(pEntry, 0, bytes);
   pEntry->bytes = bytes;
   pEntry->dataLen = dataLen;
@@ -29,14 +29,14 @@ SSyncRaftEntry* syncEntryBuild(uint32_t dataLen) {
 // step 4. SyncClientRequest => SSyncRaftEntry, add term, index
 SSyncRaftEntry* syncEntryBuild2(SyncClientRequest* pMsg, SyncTerm term, SyncIndex index) {
   SSyncRaftEntry* pEntry = syncEntryBuild3(pMsg, term, index);
-  assert(pEntry != NULL);
+  ASSERT(pEntry != NULL);
 
   return pEntry;
 }
 
 SSyncRaftEntry* syncEntryBuild3(SyncClientRequest* pMsg, SyncTerm term, SyncIndex index) {
   SSyncRaftEntry* pEntry = syncEntryBuild(pMsg->dataLen);
-  assert(pEntry != NULL);
+  ASSERT(pEntry != NULL);
 
   pEntry->msgType = pMsg->msgType;
   pEntry->originalRpcType = pMsg->originalRpcType;
@@ -63,7 +63,7 @@ SSyncRaftEntry* syncEntryBuildNoop(SyncTerm term, SyncIndex index, int32_t vgId)
   memcpy(rpcMsg.pCont, &head, sizeof(head));
 
   SSyncRaftEntry* pEntry = syncEntryBuild(rpcMsg.contLen);
-  assert(pEntry != NULL);
+  ASSERT(pEntry != NULL);
 
   pEntry->msgType = TDMT_SYNC_CLIENT_REQUEST;
   pEntry->originalRpcType = TDMT_SYNC_NOOP;
@@ -72,7 +72,7 @@ SSyncRaftEntry* syncEntryBuildNoop(SyncTerm term, SyncIndex index, int32_t vgId)
   pEntry->term = term;
   pEntry->index = index;
 
-  assert(pEntry->dataLen == rpcMsg.contLen);
+  ASSERT(pEntry->dataLen == rpcMsg.contLen);
   memcpy(pEntry->data, rpcMsg.pCont, rpcMsg.contLen);
   rpcFreeCont(rpcMsg.pCont);
 
@@ -88,7 +88,7 @@ void syncEntryDestory(SSyncRaftEntry* pEntry) {
 // step 5. SSyncRaftEntry => bin, to raft log
 char* syncEntrySerialize(const SSyncRaftEntry* pEntry, uint32_t* len) {
   char* buf = taosMemoryMalloc(pEntry->bytes);
-  assert(buf != NULL);
+  ASSERT(buf != NULL);
   memcpy(buf, pEntry, pEntry->bytes);
   if (len != NULL) {
     *len = pEntry->bytes;
@@ -100,9 +100,9 @@ char* syncEntrySerialize(const SSyncRaftEntry* pEntry, uint32_t* len) {
 SSyncRaftEntry* syncEntryDeserialize(const char* buf, uint32_t len) {
   uint32_t        bytes = *((uint32_t*)buf);
   SSyncRaftEntry* pEntry = taosMemoryMalloc(bytes);
-  assert(pEntry != NULL);
+  ASSERT(pEntry != NULL);
   memcpy(pEntry, buf, len);
-  assert(len == pEntry->bytes);
+  ASSERT(len == pEntry->bytes);
   return pEntry;
 }
 
diff --git a/source/libs/sync/src/syncRaftLog.c b/source/libs/sync/src/syncRaftLog.c
index 79d9b329c1..0f6e8a28d9 100644
--- a/source/libs/sync/src/syncRaftLog.c
+++ b/source/libs/sync/src/syncRaftLog.c
@@ -25,7 +25,7 @@ static SyncIndex raftLogEndIndex(struct SSyncLogStore* pLogStore);
 static SyncIndex raftLogWriteIndex(struct SSyncLogStore* pLogStore);
 static bool      raftLogIsEmpty(struct SSyncLogStore* pLogStore);
 static int32_t   raftLogEntryCount(struct SSyncLogStore* pLogStore);
-static bool      raftLogInRange(struct SSyncLogStore* pLogStore, SyncIndex index);
+
 static SyncIndex raftLogLastIndex(struct SSyncLogStore* pLogStore);
 static SyncTerm  raftLogLastTerm(struct SSyncLogStore* pLogStore);
 static int32_t   raftLogAppendEntry(struct SSyncLogStore* pLogStore, SSyncRaftEntry* pEntry);
@@ -58,8 +58,6 @@ static int32_t raftLogSetBeginIndex(struct SSyncLogStore* pLogStore, SyncIndex b
   return 0;
 }
 
-int32_t raftLogResetBeginIndex(struct SSyncLogStore* pLogStore) { return 0; }
-
 static SyncIndex raftLogBeginIndex(struct SSyncLogStore* pLogStore) {
   SSyncLogStoreData* pData = pLogStore->data;
   SWal*              pWal = pData->pWal;
@@ -81,6 +79,7 @@ static int32_t raftLogEntryCount(struct SSyncLogStore* pLogStore) {
   return count > 0 ? count : 0;
 }
 
+#if 0
 static bool raftLogInRange(struct SSyncLogStore* pLogStore, SyncIndex index) {
   SyncIndex beginIndex = raftLogBeginIndex(pLogStore);
   SyncIndex endIndex = raftLogEndIndex(pLogStore);
@@ -90,6 +89,7 @@ static bool raftLogInRange(struct SSyncLogStore* pLogStore, SyncIndex index) {
     return false;
   }
 }
+#endif
 
 static SyncIndex raftLogLastIndex(struct SSyncLogStore* pLogStore) {
   SyncIndex          lastIndex;
@@ -143,7 +143,10 @@ static int32_t raftLogAppendEntry(struct SSyncLogStore* pLogStore, SSyncRaftEntr
   SWal*              pWal = pData->pWal;
 
   SyncIndex writeIndex = raftLogWriteIndex(pLogStore);
-  ASSERT(pEntry->index == writeIndex);
+  if (pEntry->index != writeIndex) {
+    sError("raftLogAppendEntry error, pEntry->index:%ld update to writeIndex:%ld", pEntry->index, writeIndex);
+    pEntry->index = writeIndex;
+  }
 
   int          code = 0;
   SSyncLogMeta syncMeta;
@@ -171,6 +174,7 @@ static int32_t raftLogAppendEntry(struct SSyncLogStore* pLogStore, SSyncRaftEntr
   return code;
 }
 
+#if 0
 static int32_t raftLogGetEntry(struct SSyncLogStore* pLogStore, SyncIndex index, SSyncRaftEntry** ppEntry) {
   SSyncLogStoreData* pData = pLogStore->data;
   SWal*              pWal = pData->pWal;
@@ -215,6 +219,49 @@ static int32_t raftLogGetEntry(struct SSyncLogStore* pLogStore, SyncIndex index,
 
   return code;
 }
+#endif
+
+static int32_t raftLogGetEntry(struct SSyncLogStore* pLogStore, SyncIndex index, SSyncRaftEntry** ppEntry) {
+  SSyncLogStoreData* pData = pLogStore->data;
+  SWal*              pWal = pData->pWal;
+  int32_t            code;
+
+  *ppEntry = NULL;
+
+  SWalReadHandle* pWalHandle = walOpenReadHandle(pWal);
+  if (pWalHandle == NULL) {
+    return -1;
+  }
+
+  code = walReadWithHandle(pWalHandle, index);
+  if (code != 0) {
+    int32_t     err = terrno;
+    const char* errStr = tstrerror(err);
+    int32_t     linuxErr = errno;
+    const char* linuxErrMsg = strerror(errno);
+    sError("raftLogGetEntry error, err:%d %X, msg:%s, linuxErr:%d, linuxErrMsg:%s", err, err, errStr, linuxErr,
+           linuxErrMsg);
+
+    walCloseReadHandle(pWalHandle);
+    return code;
+  }
+
+  *ppEntry = syncEntryBuild(pWalHandle->pHead->head.bodyLen);
+  ASSERT(*ppEntry != NULL);
+  (*ppEntry)->msgType = TDMT_SYNC_CLIENT_REQUEST;
+  (*ppEntry)->originalRpcType = pWalHandle->pHead->head.msgType;
+  (*ppEntry)->seqNum = pWalHandle->pHead->head.syncMeta.seqNum;
+  (*ppEntry)->isWeak = pWalHandle->pHead->head.syncMeta.isWeek;
+  (*ppEntry)->term = pWalHandle->pHead->head.syncMeta.term;
+  (*ppEntry)->index = index;
+  ASSERT((*ppEntry)->dataLen == pWalHandle->pHead->head.bodyLen);
+  memcpy((*ppEntry)->data, pWalHandle->pHead->head.body, pWalHandle->pHead->head.bodyLen);
+
+  // need to hold, do not new every time!!
+  walCloseReadHandle(pWalHandle);
+
+  return code;
+}
 
 static int32_t raftLogTruncate(struct SSyncLogStore* pLogStore, SyncIndex fromIndex) {
   SSyncLogStoreData* pData = pLogStore->data;
@@ -245,10 +292,10 @@ static int32_t raftLogGetLastEntry(SSyncLogStore* pLogStore, SSyncRaftEntry** pp
 //-------------------------------
 SSyncLogStore* logStoreCreate(SSyncNode* pSyncNode) {
   SSyncLogStore* pLogStore = taosMemoryMalloc(sizeof(SSyncLogStore));
-  assert(pLogStore != NULL);
+  ASSERT(pLogStore != NULL);
 
   pLogStore->data = taosMemoryMalloc(sizeof(SSyncLogStoreData));
-  assert(pLogStore->data != NULL);
+  ASSERT(pLogStore->data != NULL);
 
   SSyncLogStoreData* pData = pLogStore->data;
   pData->pSyncNode = pSyncNode;
@@ -277,7 +324,6 @@ SSyncLogStore* logStoreCreate(SSyncNode* pSyncNode) {
   pLogStore->syncLogEndIndex = raftLogEndIndex;
   pLogStore->syncLogIsEmpty = raftLogIsEmpty;
   pLogStore->syncLogEntryCount = raftLogEntryCount;
-  pLogStore->syncLogInRange = raftLogInRange;
   pLogStore->syncLogLastIndex = raftLogLastIndex;
   pLogStore->syncLogLastTerm = raftLogLastTerm;
   pLogStore->syncLogAppendEntry = raftLogAppendEntry;
@@ -285,6 +331,8 @@ SSyncLogStore* logStoreCreate(SSyncNode* pSyncNode) {
   pLogStore->syncLogTruncate = raftLogTruncate;
   pLogStore->syncLogWriteIndex = raftLogWriteIndex;
 
+  // pLogStore->syncLogInRange = raftLogInRange;
+
   return pLogStore;
 }
 
@@ -301,7 +349,7 @@ int32_t logStoreAppendEntry(SSyncLogStore* pLogStore, SSyncRaftEntry* pEntry) {
   SWal*              pWal = pData->pWal;
 
   SyncIndex lastIndex = logStoreLastIndex(pLogStore);
-  assert(pEntry->index == lastIndex + 1);
+  ASSERT(pEntry->index == lastIndex + 1);
 
   int          code = 0;
   SSyncLogMeta syncMeta;
@@ -347,10 +395,10 @@ SSyncRaftEntry* logStoreGetEntry(SSyncLogStore* pLogStore, SyncIndex index) {
              linuxErrMsg);
       ASSERT(0);
     }
-    // assert(walReadWithHandle(pWalHandle, index) == 0);
+    // ASSERT(walReadWithHandle(pWalHandle, index) == 0);
 
     SSyncRaftEntry* pEntry = syncEntryBuild(pWalHandle->pHead->head.bodyLen);
-    assert(pEntry != NULL);
+    ASSERT(pEntry != NULL);
 
     pEntry->msgType = TDMT_SYNC_CLIENT_REQUEST;
     pEntry->originalRpcType = pWalHandle->pHead->head.msgType;
@@ -358,7 +406,7 @@ SSyncRaftEntry* logStoreGetEntry(SSyncLogStore* pLogStore, SyncIndex index) {
     pEntry->isWeak = pWalHandle->pHead->head.syncMeta.isWeek;
     pEntry->term = pWalHandle->pHead->head.syncMeta.term;
     pEntry->index = index;
-    assert(pEntry->dataLen == pWalHandle->pHead->head.bodyLen);
+    ASSERT(pEntry->dataLen == pWalHandle->pHead->head.bodyLen);
     memcpy(pEntry->data, pWalHandle->pHead->head.body, pWalHandle->pHead->head.bodyLen);
 
     // need to hold, do not new every time!!
@@ -373,7 +421,7 @@ SSyncRaftEntry* logStoreGetEntry(SSyncLogStore* pLogStore, SyncIndex index) {
 int32_t logStoreTruncate(SSyncLogStore* pLogStore, SyncIndex fromIndex) {
   SSyncLogStoreData* pData = pLogStore->data;
   SWal*              pWal = pData->pWal;
-  // assert(walRollback(pWal, fromIndex) == 0);
+  // ASSERT(walRollback(pWal, fromIndex) == 0);
   int32_t code = walRollback(pWal, fromIndex);
   if (code != 0) {
     int32_t     err = terrno;
@@ -407,7 +455,7 @@ SyncTerm logStoreLastTerm(SSyncLogStore* pLogStore) {
 int32_t logStoreUpdateCommitIndex(SSyncLogStore* pLogStore, SyncIndex index) {
   SSyncLogStoreData* pData = pLogStore->data;
   SWal*              pWal = pData->pWal;
-  // assert(walCommit(pWal, index) == 0);
+  // ASSERT(walCommit(pWal, index) == 0);
   int32_t code = walCommit(pWal, index);
   if (code != 0) {
     int32_t     err = terrno;
diff --git a/source/libs/sync/src/syncRaftStore.c b/source/libs/sync/src/syncRaftStore.c
index 52e8152926..a1ab95c00f 100644
--- a/source/libs/sync/src/syncRaftStore.c
+++ b/source/libs/sync/src/syncRaftStore.c
@@ -39,40 +39,40 @@ SRaftStore *raftStoreOpen(const char *path) {
 
   if (!raftStoreFileExist(pRaftStore->path)) {
     ret = raftStoreInit(pRaftStore);
-    assert(ret == 0);
+    ASSERT(ret == 0);
   }
 
   pRaftStore->pFile = taosOpenFile(path, TD_FILE_READ | TD_FILE_WRITE);
-  assert(pRaftStore->pFile != NULL);
+  ASSERT(pRaftStore->pFile != NULL);
 
   int len = taosReadFile(pRaftStore->pFile, storeBuf, RAFT_STORE_BLOCK_SIZE);
-  assert(len == RAFT_STORE_BLOCK_SIZE);
+  ASSERT(len == RAFT_STORE_BLOCK_SIZE);
 
   ret = raftStoreDeserialize(pRaftStore, storeBuf, len);
-  assert(ret == 0);
+  ASSERT(ret == 0);
 
   return pRaftStore;
 }
 
 static int32_t raftStoreInit(SRaftStore *pRaftStore) {
-  assert(pRaftStore != NULL);
+  ASSERT(pRaftStore != NULL);
 
   pRaftStore->pFile = taosOpenFile(pRaftStore->path, TD_FILE_CREATE | TD_FILE_WRITE);
-  assert(pRaftStore->pFile != NULL);
+  ASSERT(pRaftStore->pFile != NULL);
 
   pRaftStore->currentTerm = 0;
   pRaftStore->voteFor.addr = 0;
   pRaftStore->voteFor.vgId = 0;
 
   int32_t ret = raftStorePersist(pRaftStore);
-  assert(ret == 0);
+  ASSERT(ret == 0);
 
   taosCloseFile(&pRaftStore->pFile);
   return 0;
 }
 
 int32_t raftStoreClose(SRaftStore *pRaftStore) {
-  assert(pRaftStore != NULL);
+  ASSERT(pRaftStore != NULL);
 
   taosCloseFile(&pRaftStore->pFile);
   taosMemoryFree(pRaftStore);
@@ -81,17 +81,17 @@ int32_t raftStoreClose(SRaftStore *pRaftStore) {
 }
 
 int32_t raftStorePersist(SRaftStore *pRaftStore) {
-  assert(pRaftStore != NULL);
+  ASSERT(pRaftStore != NULL);
 
   int32_t ret;
   char    storeBuf[RAFT_STORE_BLOCK_SIZE] = {0};
   ret = raftStoreSerialize(pRaftStore, storeBuf, sizeof(storeBuf));
-  assert(ret == 0);
+  ASSERT(ret == 0);
 
   taosLSeekFile(pRaftStore->pFile, 0, SEEK_SET);
 
   ret = taosWriteFile(pRaftStore->pFile, storeBuf, sizeof(storeBuf));
-  assert(ret == RAFT_STORE_BLOCK_SIZE);
+  ASSERT(ret == RAFT_STORE_BLOCK_SIZE);
 
   taosFsyncFile(pRaftStore->pFile);
   return 0;
@@ -103,7 +103,7 @@ static bool raftStoreFileExist(char *path) {
 }
 
 int32_t raftStoreSerialize(SRaftStore *pRaftStore, char *buf, size_t len) {
-  assert(pRaftStore != NULL);
+  ASSERT(pRaftStore != NULL);
 
   cJSON *pRoot = cJSON_CreateObject();
 
@@ -125,7 +125,7 @@ int32_t raftStoreSerialize(SRaftStore *pRaftStore, char *buf, size_t len) {
 
   char *serialized = cJSON_Print(pRoot);
   int   len2 = strlen(serialized);
-  assert(len2 < len);
+  ASSERT(len2 < len);
   memset(buf, 0, len);
   snprintf(buf, len, "%s", serialized);
   taosMemoryFree(serialized);
@@ -135,17 +135,17 @@ int32_t raftStoreSerialize(SRaftStore *pRaftStore, char *buf, size_t len) {
 }
 
 int32_t raftStoreDeserialize(SRaftStore *pRaftStore, char *buf, size_t len) {
-  assert(pRaftStore != NULL);
+  ASSERT(pRaftStore != NULL);
 
-  assert(len > 0 && len <= RAFT_STORE_BLOCK_SIZE);
+  ASSERT(len > 0 && len <= RAFT_STORE_BLOCK_SIZE);
   cJSON *pRoot = cJSON_Parse(buf);
 
   cJSON *pCurrentTerm = cJSON_GetObjectItem(pRoot, "current_term");
-  assert(cJSON_IsString(pCurrentTerm));
+  ASSERT(cJSON_IsString(pCurrentTerm));
   sscanf(pCurrentTerm->valuestring, "%lu", &(pRaftStore->currentTerm));
 
   cJSON *pVoteForAddr = cJSON_GetObjectItem(pRoot, "vote_for_addr");
-  assert(cJSON_IsString(pVoteForAddr));
+  ASSERT(cJSON_IsString(pVoteForAddr));
   sscanf(pVoteForAddr->valuestring, "%lu", &(pRaftStore->voteFor.addr));
 
   cJSON *pVoteForVgid = cJSON_GetObjectItem(pRoot, "vote_for_vgid");
@@ -161,7 +161,7 @@ bool raftStoreHasVoted(SRaftStore *pRaftStore) {
 }
 
 void raftStoreVote(SRaftStore *pRaftStore, SRaftId *pRaftId) {
-  assert(!syncUtilEmptyId(pRaftId));
+  ASSERT(!syncUtilEmptyId(pRaftId));
   pRaftStore->voteFor = *pRaftId;
   raftStorePersist(pRaftStore);
 }
@@ -216,7 +216,7 @@ cJSON *raftStore2Json(SRaftStore *pRaftStore) {
 
 char *raftStore2Str(SRaftStore *pRaftStore) {
   cJSON *pJson = raftStore2Json(pRaftStore);
-  char * serialized = cJSON_Print(pJson);
+  char  *serialized = cJSON_Print(pJson);
   cJSON_Delete(pJson);
   return serialized;
 }
diff --git a/source/libs/sync/src/syncReplication.c b/source/libs/sync/src/syncReplication.c
index f044ae5733..d6e6fbe522 100644
--- a/source/libs/sync/src/syncReplication.c
+++ b/source/libs/sync/src/syncReplication.c
@@ -49,7 +49,7 @@
 //    /\ UNCHANGED <<serverVars, candidateVars, leaderVars, logVars>>
 //
 int32_t syncNodeAppendEntriesPeers(SSyncNode* pSyncNode) {
-  assert(pSyncNode->state == TAOS_SYNC_STATE_LEADER);
+  ASSERT(pSyncNode->state == TAOS_SYNC_STATE_LEADER);
 
   syncIndexMgrLog2("==syncNodeAppendEntriesPeers== pNextIndex", pSyncNode->pNextIndex);
   syncIndexMgrLog2("==syncNodeAppendEntriesPeers== pMatchIndex", pSyncNode->pMatchIndex);
@@ -68,7 +68,7 @@ int32_t syncNodeAppendEntriesPeers(SSyncNode* pSyncNode) {
     SyncTerm preLogTerm = 0;
     if (preLogIndex >= SYNC_INDEX_BEGIN) {
       SSyncRaftEntry* pPreEntry = pSyncNode->pLogStore->getEntry(pSyncNode->pLogStore, preLogIndex);
-      assert(pPreEntry != NULL);
+      ASSERT(pPreEntry != NULL);
 
       preLogTerm = pPreEntry->term;
       syncEntryDestory(pPreEntry);
@@ -81,12 +81,12 @@ int32_t syncNodeAppendEntriesPeers(SSyncNode* pSyncNode) {
     SSyncRaftEntry*    pEntry = pSyncNode->pLogStore->getEntry(pSyncNode->pLogStore, nextIndex);
     if (pEntry != NULL) {
       pMsg = syncAppendEntriesBuild(pEntry->bytes, pSyncNode->vgId);
-      assert(pMsg != NULL);
+      ASSERT(pMsg != NULL);
 
       // add pEntry into msg
       uint32_t len;
       char*    serialized = syncEntrySerialize(pEntry, &len);
-      assert(len == pEntry->bytes);
+      ASSERT(len == pEntry->bytes);
       memcpy(pMsg->data, serialized, len);
 
       taosMemoryFree(serialized);
@@ -95,10 +95,10 @@ int32_t syncNodeAppendEntriesPeers(SSyncNode* pSyncNode) {
     } else {
       // maybe overflow, send empty record
       pMsg = syncAppendEntriesBuild(0, pSyncNode->vgId);
-      assert(pMsg != NULL);
+      ASSERT(pMsg != NULL);
     }
 
-    assert(pMsg != NULL);
+    ASSERT(pMsg != NULL);
     pMsg->srcId = pSyncNode->myRaftId;
     pMsg->destId = *pDestId;
     pMsg->term = pSyncNode->pRaftStore->currentTerm;
@@ -148,25 +148,32 @@ int32_t syncNodeAppendEntriesPeersSnapshot(SSyncNode* pSyncNode) {
 
     SSyncRaftEntry* pEntry;
     int32_t         code = pSyncNode->pLogStore->syncLogGetEntry(pSyncNode->pLogStore, nextIndex, &pEntry);
-    ASSERT(code == 0);
 
-    if (pEntry != NULL) {
+    if (code == 0) {
+      ASSERT(pEntry != NULL);
+
       pMsg = syncAppendEntriesBuild(pEntry->bytes, pSyncNode->vgId);
       ASSERT(pMsg != NULL);
 
       // add pEntry into msg
       uint32_t len;
       char*    serialized = syncEntrySerialize(pEntry, &len);
-      assert(len == pEntry->bytes);
+      ASSERT(len == pEntry->bytes);
       memcpy(pMsg->data, serialized, len);
 
       taosMemoryFree(serialized);
       syncEntryDestory(pEntry);
 
     } else {
-      // no entry in log
-      pMsg = syncAppendEntriesBuild(0, pSyncNode->vgId);
-      ASSERT(pMsg != NULL);
+      if (terrno == TSDB_CODE_WAL_LOG_NOT_EXIST) {
+        // no entry in log
+        pMsg = syncAppendEntriesBuild(0, pSyncNode->vgId);
+        ASSERT(pMsg != NULL);
+
+      } else {
+        syncNodeLog3("", pSyncNode);
+        ASSERT(0);
+      }
     }
 
     // prepare msg
diff --git a/source/libs/sync/src/syncRequestVote.c b/source/libs/sync/src/syncRequestVote.c
index 9ed7f00982..def5c321ad 100644
--- a/source/libs/sync/src/syncRequestVote.c
+++ b/source/libs/sync/src/syncRequestVote.c
@@ -52,7 +52,7 @@ int32_t syncNodeOnRequestVoteCb(SSyncNode* ths, SyncRequestVote* pMsg) {
   if (pMsg->term > ths->pRaftStore->currentTerm) {
     syncNodeUpdateTerm(ths, pMsg->term);
   }
-  assert(pMsg->term <= ths->pRaftStore->currentTerm);
+  ASSERT(pMsg->term <= ths->pRaftStore->currentTerm);
 
   bool logOK = (pMsg->lastLogTerm > ths->pLogStore->getLastTerm(ths->pLogStore)) ||
                ((pMsg->lastLogTerm == ths->pLogStore->getLastTerm(ths->pLogStore)) &&
diff --git a/source/libs/sync/src/syncRequestVoteReply.c b/source/libs/sync/src/syncRequestVoteReply.c
index 5d041cefcd..60963d0dd3 100644
--- a/source/libs/sync/src/syncRequestVoteReply.c
+++ b/source/libs/sync/src/syncRequestVoteReply.c
@@ -50,7 +50,7 @@ int32_t syncNodeOnRequestVoteReplyCb(SSyncNode* ths, SyncRequestVoteReply* pMsg)
     return ret;
   }
 
-  // assert(!(pMsg->term > ths->pRaftStore->currentTerm));
+  // ASSERT(!(pMsg->term > ths->pRaftStore->currentTerm));
   //  no need this code, because if I receive reply.term, then I must have sent for that term.
   //   if (pMsg->term > ths->pRaftStore->currentTerm) {
   //     syncNodeUpdateTerm(ths, pMsg->term);
@@ -65,7 +65,7 @@ int32_t syncNodeOnRequestVoteReplyCb(SSyncNode* ths, SyncRequestVoteReply* pMsg)
     return ret;
   }
 
-  assert(pMsg->term == ths->pRaftStore->currentTerm);
+  ASSERT(pMsg->term == ths->pRaftStore->currentTerm);
 
   // This tallies votes even when the current state is not Candidate,
   // but they won't be looked at, so it doesn't matter.
@@ -115,7 +115,7 @@ int32_t syncNodeOnRequestVoteReplySnapshotCb(SSyncNode* ths, SyncRequestVoteRepl
     return ret;
   }
 
-  // assert(!(pMsg->term > ths->pRaftStore->currentTerm));
+  // ASSERT(!(pMsg->term > ths->pRaftStore->currentTerm));
   //  no need this code, because if I receive reply.term, then I must have sent for that term.
   //   if (pMsg->term > ths->pRaftStore->currentTerm) {
   //     syncNodeUpdateTerm(ths, pMsg->term);
diff --git a/source/libs/sync/src/syncRespMgr.c b/source/libs/sync/src/syncRespMgr.c
index 354575d29e..48c1b70a04 100644
--- a/source/libs/sync/src/syncRespMgr.c
+++ b/source/libs/sync/src/syncRespMgr.c
@@ -22,7 +22,7 @@ SSyncRespMgr *syncRespMgrCreate(void *data, int64_t ttl) {
 
   pObj->pRespHash =
       taosHashInit(sizeof(uint64_t), taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, HASH_NO_LOCK);
-  assert(pObj->pRespHash != NULL);
+  ASSERT(pObj->pRespHash != NULL);
   pObj->ttl = ttl;
   pObj->data = data;
   pObj->seqNum = 0;
diff --git a/source/libs/sync/src/syncSnapshot.c b/source/libs/sync/src/syncSnapshot.c
index 68185131d1..3e062d395f 100644
--- a/source/libs/sync/src/syncSnapshot.c
+++ b/source/libs/sync/src/syncSnapshot.c
@@ -73,41 +73,49 @@ void snapshotSenderStart(SSyncSnapshotSender *pSender, SSnapshot snapshot, void
   pSender->seq = SYNC_SNAPSHOT_SEQ_BEGIN;
   pSender->ack = SYNC_SNAPSHOT_SEQ_INVALID;
 
-  // open snapshot reader
+  // init snapshot and reader
   ASSERT(pSender->pReader == NULL);
   pSender->pReader = pReader;
   pSender->snapshot = snapshot;
 
-  /*
-    // open snapshot reader
-    ASSERT(pSender->pReader == NULL);
-    int32_t ret = pSender->pSyncNode->pFsm->FpSnapshotStartRead(pSender->pSyncNode->pFsm, &(pSender->pReader));
-    ASSERT(ret == 0);
-
-    // get current snapshot info
-    pSender->pSyncNode->pFsm->FpGetSnapshotInfo(pSender->pSyncNode->pFsm, &(pSender->snapshot));
-  */
-
   if (pSender->pCurrentBlock != NULL) {
     taosMemoryFree(pSender->pCurrentBlock);
   }
-
   pSender->blockLen = 0;
 
   if (pSender->snapshot.lastConfigIndex != SYNC_INDEX_INVALID) {
-    SSyncRaftEntry *pEntry =
-        pSender->pSyncNode->pLogStore->getEntry(pSender->pSyncNode->pLogStore, pSender->snapshot.lastConfigIndex);
-    ASSERT(pEntry != NULL);
+    int32_t         code = 0;
+    SSyncRaftEntry *pEntry = NULL;
+    code = pSender->pSyncNode->pLogStore->syncLogGetEntry(pSender->pSyncNode->pLogStore,
+                                                          pSender->snapshot.lastConfigIndex, &pEntry);
 
-    SRpcMsg rpcMsg;
-    syncEntry2OriginalRpc(pEntry, &rpcMsg);
-    SSyncCfg lastConfig;
-    int32_t  ret = syncCfgFromStr(rpcMsg.pCont, &lastConfig);
-    ASSERT(ret == 0);
-    pSender->lastConfig = lastConfig;
+    bool getLastConfig = false;
+    if (code == 0) {
+      ASSERT(pEntry != NULL);
 
-    rpcFreeCont(rpcMsg.pCont);
-    syncEntryDestory(pEntry);
+      SRpcMsg rpcMsg;
+      syncEntry2OriginalRpc(pEntry, &rpcMsg);
+
+      SSyncCfg lastConfig;
+      int32_t  ret = syncCfgFromStr(rpcMsg.pCont, &lastConfig);
+      ASSERT(ret == 0);
+      pSender->lastConfig = lastConfig;
+      getLastConfig = true;
+
+      rpcFreeCont(rpcMsg.pCont);
+      syncEntryDestory(pEntry);
+    } else {
+      if (pSender->snapshot.lastConfigIndex == pSender->pSyncNode->pRaftCfg->lastConfigIndex) {
+        sTrace("vgId:%d sync sender get cfg from local", pSender->pSyncNode->vgId);
+        pSender->lastConfig = pSender->pSyncNode->pRaftCfg->cfg;
+        getLastConfig = true;
+      }
+    }
+
+    if (!getLastConfig) {
+      syncNodeLog3("", pSender->pSyncNode);
+      ASSERT(0);
+    }
 
   } else {
     memset(&(pSender->lastConfig), 0, sizeof(SSyncCfg));
diff --git a/source/libs/sync/src/syncUtil.c b/source/libs/sync/src/syncUtil.c
index 1d1ff7ae53..5b73d980c4 100644
--- a/source/libs/sync/src/syncUtil.c
+++ b/source/libs/sync/src/syncUtil.c
@@ -86,7 +86,7 @@ void syncUtilraftId2EpSet(const SRaftId* raftId, SEpSet* pEpSet) {
 
 void syncUtilnodeInfo2raftId(const SNodeInfo* pNodeInfo, SyncGroupId vgId, SRaftId* raftId) {
   uint32_t ipv4 = taosGetIpv4FromFqdn(pNodeInfo->nodeFqdn);
-  assert(ipv4 != 0xFFFFFFFF);
+  ASSERT(ipv4 != 0xFFFFFFFF);
   char ipbuf[128] = {0};
   tinet_ntoa(ipbuf, ipv4);
   raftId->addr = syncUtilAddr2U64(ipbuf, pNodeInfo->nodePort);
@@ -124,7 +124,7 @@ void syncUtilbufCopyDeep(const SSyncBuffer* src, SSyncBuffer* dest) {
 int32_t syncUtilRand(int32_t max) { return taosRand() % max; }
 
 int32_t syncUtilElectRandomMS(int32_t min, int32_t max) {
-  assert(min > 0 && max > 0 && max >= min);
+  ASSERT(min > 0 && max > 0 && max >= min);
   return min + syncUtilRand(max - min);
 }
 
@@ -201,7 +201,7 @@ bool syncUtilCanPrint(char c) {
 
 char* syncUtilprintBin(char* ptr, uint32_t len) {
   char* s = taosMemoryMalloc(len + 1);
-  assert(s != NULL);
+  ASSERT(s != NULL);
   memset(s, 0, len + 1);
   memcpy(s, ptr, len);
 
@@ -216,7 +216,7 @@ char* syncUtilprintBin(char* ptr, uint32_t len) {
 char* syncUtilprintBin2(char* ptr, uint32_t len) {
   uint32_t len2 = len * 4 + 1;
   char*    s = taosMemoryMalloc(len2);
-  assert(s != NULL);
+  ASSERT(s != NULL);
   memset(s, 0, len2);
 
   char* p = s;
diff --git a/source/libs/sync/src/syncVoteMgr.c b/source/libs/sync/src/syncVoteMgr.c
index 528c2f26c8..d6c2cbd34e 100644
--- a/source/libs/sync/src/syncVoteMgr.c
+++ b/source/libs/sync/src/syncVoteMgr.c
@@ -24,7 +24,7 @@ static void voteGrantedClearVotes(SVotesGranted *pVotesGranted) {
 
 SVotesGranted *voteGrantedCreate(SSyncNode *pSyncNode) {
   SVotesGranted *pVotesGranted = taosMemoryMalloc(sizeof(SVotesGranted));
-  assert(pVotesGranted != NULL);
+  ASSERT(pVotesGranted != NULL);
   memset(pVotesGranted, 0, sizeof(SVotesGranted));
 
   pVotesGranted->replicas = &(pSyncNode->replicasId);
@@ -62,9 +62,9 @@ bool voteGrantedMajority(SVotesGranted *pVotesGranted) {
 }
 
 void voteGrantedVote(SVotesGranted *pVotesGranted, SyncRequestVoteReply *pMsg) {
-  assert(pMsg->voteGranted == true);
-  assert(pMsg->term == pVotesGranted->term);
-  assert(syncUtilSameId(&pVotesGranted->pSyncNode->myRaftId, &pMsg->destId));
+  ASSERT(pMsg->voteGranted == true);
+  ASSERT(pMsg->term == pVotesGranted->term);
+  ASSERT(syncUtilSameId(&pVotesGranted->pSyncNode->myRaftId, &pMsg->destId));
 
   int j = -1;
   for (int i = 0; i < pVotesGranted->replicaNum; ++i) {
@@ -73,14 +73,14 @@ void voteGrantedVote(SVotesGranted *pVotesGranted, SyncRequestVoteReply *pMsg) {
       break;
     }
   }
-  assert(j != -1);
-  assert(j >= 0 && j < pVotesGranted->replicaNum);
+  ASSERT(j != -1);
+  ASSERT(j >= 0 && j < pVotesGranted->replicaNum);
 
   if (pVotesGranted->isGranted[j] != true) {
     ++(pVotesGranted->votes);
     pVotesGranted->isGranted[j] = true;
   }
-  assert(pVotesGranted->votes <= pVotesGranted->replicaNum);
+  ASSERT(pVotesGranted->votes <= pVotesGranted->replicaNum);
 }
 
 void voteGrantedReset(SVotesGranted *pVotesGranted, SyncTerm term) {
@@ -127,7 +127,7 @@ cJSON *voteGranted2Json(SVotesGranted *pVotesGranted) {
 
 char *voteGranted2Str(SVotesGranted *pVotesGranted) {
   cJSON *pJson = voteGranted2Json(pVotesGranted);
-  char * serialized = cJSON_Print(pJson);
+  char  *serialized = cJSON_Print(pJson);
   cJSON_Delete(pJson);
   return serialized;
 }
@@ -162,7 +162,7 @@ void voteGrantedLog2(char *s, SVotesGranted *pObj) {
 // SVotesRespond -----------------------------
 SVotesRespond *votesRespondCreate(SSyncNode *pSyncNode) {
   SVotesRespond *pVotesRespond = taosMemoryMalloc(sizeof(SVotesRespond));
-  assert(pVotesRespond != NULL);
+  ASSERT(pVotesRespond != NULL);
   memset(pVotesRespond, 0, sizeof(SVotesRespond));
 
   pVotesRespond->replicas = &(pSyncNode->replicasId);
@@ -198,15 +198,15 @@ bool votesResponded(SVotesRespond *pVotesRespond, const SRaftId *pRaftId) {
 }
 
 void votesRespondAdd(SVotesRespond *pVotesRespond, const SyncRequestVoteReply *pMsg) {
-  assert(pVotesRespond->term == pMsg->term);
+  ASSERT(pVotesRespond->term == pMsg->term);
   for (int i = 0; i < pVotesRespond->replicaNum; ++i) {
     if (syncUtilSameId(&((*(pVotesRespond->replicas))[i]), &pMsg->srcId)) {
-      // assert(pVotesRespond->isRespond[i] == false);
+      // ASSERT(pVotesRespond->isRespond[i] == false);
       pVotesRespond->isRespond[i] = true;
       return;
     }
   }
-  assert(0);
+  ASSERT(0);
 }
 
 void votesRespondReset(SVotesRespond *pVotesRespond, SyncTerm term) {
@@ -256,7 +256,7 @@ cJSON *votesRespond2Json(SVotesRespond *pVotesRespond) {
 
 char *votesRespond2Str(SVotesRespond *pVotesRespond) {
   cJSON *pJson = votesRespond2Json(pVotesRespond);
-  char * serialized = cJSON_Print(pJson);
+  char  *serialized = cJSON_Print(pJson);
   cJSON_Delete(pJson);
   return serialized;
 }
diff --git a/source/libs/sync/test/CMakeLists.txt b/source/libs/sync/test/CMakeLists.txt
index 2057aa23a4..27084286da 100644
--- a/source/libs/sync/test/CMakeLists.txt
+++ b/source/libs/sync/test/CMakeLists.txt
@@ -34,6 +34,7 @@ add_executable(syncWriteTest "")
 add_executable(syncReplicateTest "")
 add_executable(syncRefTest "")
 add_executable(syncLogStoreCheck "")
+add_executable(syncLogStoreCheck2 "")
 add_executable(syncRaftCfgTest "")
 add_executable(syncRespMgrTest "")
 add_executable(syncSnapshotTest "")
@@ -196,6 +197,10 @@ target_sources(syncLogStoreCheck
     PRIVATE
     "syncLogStoreCheck.cpp"
 )
+target_sources(syncLogStoreCheck2
+    PRIVATE
+    "syncLogStoreCheck2.cpp"
+)
 target_sources(syncRaftCfgTest
     PRIVATE
     "syncRaftCfgTest.cpp"
@@ -442,6 +447,11 @@ target_include_directories(syncLogStoreCheck
     "${TD_SOURCE_DIR}/include/libs/sync"
     "${CMAKE_CURRENT_SOURCE_DIR}/../inc"
 )
+target_include_directories(syncLogStoreCheck2
+    PUBLIC
+    "${TD_SOURCE_DIR}/include/libs/sync"
+    "${CMAKE_CURRENT_SOURCE_DIR}/../inc"
+)
 target_include_directories(syncRaftCfgTest
     PUBLIC
     "${TD_SOURCE_DIR}/include/libs/sync"
@@ -668,6 +678,10 @@ target_link_libraries(syncLogStoreCheck
     sync
     gtest_main
 )
+target_link_libraries(syncLogStoreCheck2
+    sync
+    gtest_main
+)
 target_link_libraries(syncRaftCfgTest
     sync
     gtest_main
diff --git a/source/libs/sync/test/syncLogStoreCheck2.cpp b/source/libs/sync/test/syncLogStoreCheck2.cpp
new file mode 100644
index 0000000000..431b291ca7
--- /dev/null
+++ b/source/libs/sync/test/syncLogStoreCheck2.cpp
@@ -0,0 +1,76 @@
+#include <gtest/gtest.h>
+#include <stdio.h>
+#include "syncEnv.h"
+#include "syncIO.h"
+#include "syncInt.h"
+#include "syncRaftLog.h"
+#include "syncRaftStore.h"
+#include "syncUtil.h"
+#include "wal.h"
+
+void logTest() {
+  sTrace("--- sync log test: trace");
+  sDebug("--- sync log test: debug");
+  sInfo("--- sync log test: info");
+  sWarn("--- sync log test: warn");
+  sError("--- sync log test: error");
+  sFatal("--- sync log test: fatal");
+}
+
+void init() {
+  int code = walInit();
+  assert(code == 0);
+}
+
+void cleanup() { walCleanUp(); }
+
+SWal* createWal(char* path, int32_t vgId) {
+  SWalCfg walCfg;
+  memset(&walCfg, 0, sizeof(SWalCfg));
+  walCfg.vgId = vgId;
+  walCfg.fsyncPeriod = 1000;
+  walCfg.retentionPeriod = 1000;
+  walCfg.rollPeriod = 1000;
+  walCfg.retentionSize = 1000;
+  walCfg.segSize = 1000;
+  walCfg.level = TAOS_WAL_FSYNC;
+  SWal* pWal = walOpen(path, &walCfg);
+  assert(pWal != NULL);
+  return pWal;
+}
+
+SSyncNode* createSyncNode(SWal* pWal) {
+  SSyncNode* pSyncNode = (SSyncNode*)taosMemoryMalloc(sizeof(SSyncNode));
+  memset(pSyncNode, 0, sizeof(SSyncNode));
+  pSyncNode->pWal = pWal;
+  return pSyncNode;
+}
+
+void usage(char* exe) { printf("usage: %s path vgId \n", exe); }
+
+int main(int argc, char** argv) {
+  if (argc != 3) {
+    usage(argv[0]);
+    exit(-1);
+  }
+  char*   path = argv[1];
+  int32_t vgId = atoi(argv[2]);
+
+  init();
+  SWal* pWal = createWal(path, vgId);
+  assert(pWal != NULL);
+  SSyncNode* pSyncNode = createSyncNode(pWal);
+  assert(pSyncNode != NULL);
+
+  SSyncLogStore* pLog = logStoreCreate(pSyncNode);
+  assert(pLog != NULL);
+
+  logStorePrint2((char*)"==syncLogStoreCheck==", pLog);
+
+  walClose(pWal);
+  logStoreDestory(pLog);
+  taosMemoryFree(pSyncNode);
+
+  cleanup();
+  return 0;
+}
diff --git a/source/libs/sync/test/syncRaftLogTest2.cpp b/source/libs/sync/test/syncRaftLogTest2.cpp
index 32ff441a6f..bd6fa7c2c3 100644
--- a/source/libs/sync/test/syncRaftLogTest2.cpp
+++ b/source/libs/sync/test/syncRaftLogTest2.cpp
@@ -69,6 +69,7 @@ void test1() {
   init();
   pLogStore = logStoreCreate(pSyncNode);
   assert(pLogStore);
+  pSyncNode->pLogStore = pLogStore;
   logStoreLog2((char*)"\n\n\ntest1 ----- ", pLogStore);
 
   if (gAssert) {
@@ -88,6 +89,7 @@ void test1() {
   init();
   pLogStore = logStoreCreate(pSyncNode);
   assert(pLogStore);
+  pSyncNode->pLogStore = pLogStore;
   logStoreLog2((char*)"\n\n\ntest1 restart ----- ", pLogStore);
 
   if (gAssert) {
@@ -110,6 +112,7 @@ void test2() {
   init();
   pLogStore = logStoreCreate(pSyncNode);
   assert(pLogStore);
+  pSyncNode->pLogStore = pLogStore;
   pLogStore->syncLogSetBeginIndex(pLogStore, 5);
   logStoreLog2((char*)"\n\n\ntest2 ----- ", pLogStore);
 
@@ -130,6 +133,7 @@ void test2() {
   init();
   pLogStore = logStoreCreate(pSyncNode);
   assert(pLogStore);
+  pSyncNode->pLogStore = pLogStore;
   logStoreLog2((char*)"\n\n\ntest2 restart ----- ", pLogStore);
 
   if (gAssert) {
@@ -152,6 +156,7 @@ void test3() {
   init();
   pLogStore = logStoreCreate(pSyncNode);
   assert(pLogStore);
+  pSyncNode->pLogStore = pLogStore;
   logStoreLog2((char*)"\n\n\ntest3 ----- ", pLogStore);
 
   if (gAssert) {
@@ -198,6 +203,7 @@ void test3() {
   init();
   pLogStore = logStoreCreate(pSyncNode);
   assert(pLogStore);
+  pSyncNode->pLogStore = pLogStore;
   logStoreLog2((char*)"\n\n\ntest3 restart ----- ", pLogStore);
 
   if (gAssert) {
@@ -220,6 +226,7 @@ void test4() {
   init();
   pLogStore = logStoreCreate(pSyncNode);
   assert(pLogStore);
+  pSyncNode->pLogStore = pLogStore;
   logStoreLog2((char*)"\n\n\ntest4 ----- ", pLogStore);
   pLogStore->syncLogSetBeginIndex(pLogStore, 5);
 
@@ -257,6 +264,7 @@ void test4() {
   init();
   pLogStore = logStoreCreate(pSyncNode);
   assert(pLogStore);
+  pSyncNode->pLogStore = pLogStore;
   logStoreLog2((char*)"\n\n\ntest4 restart ----- ", pLogStore);
 
   if (gAssert) {
@@ -279,6 +287,7 @@ void test5() {
   init();
   pLogStore = logStoreCreate(pSyncNode);
   assert(pLogStore);
+  pSyncNode->pLogStore = pLogStore;
   logStoreLog2((char*)"\n\n\ntest5 ----- ", pLogStore);
   pLogStore->syncLogSetBeginIndex(pLogStore, 5);
 
@@ -329,6 +338,7 @@ void test5() {
   init();
   pLogStore = logStoreCreate(pSyncNode);
   assert(pLogStore);
+  pSyncNode->pLogStore = pLogStore;
   logStoreLog2((char*)"\n\n\ntest5 restart ----- ", pLogStore);
 
   if (gAssert) {
@@ -351,6 +361,7 @@ void test6() {
   init();
   pLogStore = logStoreCreate(pSyncNode);
   assert(pLogStore);
+  pSyncNode->pLogStore = pLogStore;
   logStoreLog2((char*)"\n\n\ntest6 ----- ", pLogStore);
   pLogStore->syncLogSetBeginIndex(pLogStore, 5);
 
@@ -401,6 +412,7 @@ void test6() {
   init();
   pLogStore = logStoreCreate(pSyncNode);
   assert(pLogStore);
+  pSyncNode->pLogStore = pLogStore;
   logStoreLog2((char*)"\n\n\ntest6 restart ----- ", pLogStore);
 
   if (gAssert) {
diff --git a/source/libs/tdb/src/db/tdbBtree.c b/source/libs/tdb/src/db/tdbBtree.c
index 45e71f6c0d..1c924fa636 100644
--- a/source/libs/tdb/src/db/tdbBtree.c
+++ b/source/libs/tdb/src/db/tdbBtree.c
@@ -56,14 +56,9 @@ typedef struct {
 } SIntHdr;
 #pragma pack(pop)
 
-typedef struct {
-  u8      flags;
-  SBTree *pBt;
-} SBtreeInitPageArg;
-
 static int tdbDefaultKeyCmprFn(const void *pKey1, int keyLen1, const void *pKey2, int keyLen2);
 static int tdbBtreeOpenImpl(SBTree *pBt);
-static int tdbBtreeInitPage(SPage *pPage, void *arg, int init);
+//static int tdbBtreeInitPage(SPage *pPage, void *arg, int init);
 static int tdbBtreeEncodeCell(SPage *pPage, const void *pKey, int kLen, const void *pVal, int vLen, SCell *pCell,
                               int *szCell, TXN *pTxn, SBTree *pBt);
 static int tdbBtreeDecodeCell(SPage *pPage, const SCell *pCell, SCellDecoder *pDecoder, TXN *pTxn, SBTree *pBt);
@@ -348,7 +343,7 @@ static int tdbBtreeOpenImpl(SBTree *pBt) {
   return 0;
 }
 
-static int tdbBtreeInitPage(SPage *pPage, void *arg, int init) {
+int tdbBtreeInitPage(SPage *pPage, void *arg, int init) {
   SBTree *pBt;
   u8      flags;
   u8      leaf;
diff --git a/source/libs/tdb/src/db/tdbPager.c b/source/libs/tdb/src/db/tdbPager.c
index a74bb54883..dd3f09d5d2 100644
--- a/source/libs/tdb/src/db/tdbPager.c
+++ b/source/libs/tdb/src/db/tdbPager.c
@@ -424,4 +424,71 @@ static int tdbPagerWritePageToDB(SPager *pPager, SPage *pPage) {
   }
 
   return 0;
-}
\ No newline at end of file
+}
+
+int tdbPagerRestore(SPager *pPager, SBTree *pBt) {
+  int ret = 0;
+  SPgno journalSize = 0;
+  u8 *pageBuf = NULL;
+
+  tdb_fd_t jfd = tdbOsOpen(pPager->jFileName, TDB_O_RDWR, 0755);
+  if (jfd == NULL) {
+    return 0;
+  }
+
+  ret = tdbGetFileSize(jfd, pPager->pageSize, &journalSize);
+  if (ret < 0) {
+    return -1;
+  }
+
+  pageBuf = tdbOsCalloc(1, pPager->pageSize);
+  if (pageBuf == NULL) {
+    return -1;
+  }
+
+  TXN txn;
+  tdbTxnOpen(&txn, 0, tdbDefaultMalloc, tdbDefaultFree, NULL, 0);
+  SBtreeInitPageArg iArg;
+  iArg.pBt = pBt;
+  iArg.flags = 0;
+
+  for (int pgIndex = 0; pgIndex < journalSize; ++pgIndex) {
+    // read pgno & the page from journal
+    SPgno pgno;
+    SPage *pPage;
+
+    int ret = tdbOsRead(jfd, &pgno, sizeof(pgno));
+    if (ret < 0) {
+      return -1;
+    }
+
+    ret = tdbOsRead(jfd, pageBuf, pPager->pageSize);
+    if (ret < 0) {
+      return -1;
+    }
+
+    ret = tdbPagerFetchPage(pPager, &pgno, &pPage, tdbBtreeInitPage, &iArg, &txn);
+    if (ret < 0) {
+      return -1;
+    }
+
+    // write the page to db
+    ret = tdbPagerWritePageToDB(pPager, pPage);
+    if (ret < 0) {
+      return -1;
+    }
+
+    tdbPCacheRelease(pPager->pCache, pPage, &txn);
+  }
+
+  tdbOsFSync(pPager->fd);
+
+  tdbTxnClose(&txn);
+
+  tdbOsFree(pageBuf);
+
+  tdbOsClose(jfd);
+  tdbOsRemove(pPager->jFileName);
+
+  return 0;
+}
diff --git a/source/libs/tdb/src/db/tdbTable.c b/source/libs/tdb/src/db/tdbTable.c
index 1575f9f206..f1bfb4eabc 100644
--- a/source/libs/tdb/src/db/tdbTable.c
+++ b/source/libs/tdb/src/db/tdbTable.c
@@ -61,6 +61,11 @@ int tdbTbOpen(const char *tbname, int keyLen, int valLen, tdb_cmpr_fn_t keyCmprF
     return -1;
   }
 
+  ret = tdbPagerRestore(pPager, pTb->pBt);
+  if (ret < 0) {
+    return -1;
+  }
+
   *ppTb = pTb;
   return 0;
 }
diff --git a/source/libs/tdb/src/db/tdbUtil.c b/source/libs/tdb/src/db/tdbUtil.c
index 4acb83c8e4..9021e08ffe 100644
--- a/source/libs/tdb/src/db/tdbUtil.c
+++ b/source/libs/tdb/src/db/tdbUtil.c
@@ -64,4 +64,4 @@ int tdbGetFileSize(tdb_fd_t fd, int szPage, SPgno *size) {
 
   *size = szBytes / szPage;
   return 0;
-}
\ No newline at end of file
+}
diff --git a/source/libs/tdb/src/inc/tdbInt.h b/source/libs/tdb/src/inc/tdbInt.h
index 39b5584fab..c914e098f7 100644
--- a/source/libs/tdb/src/inc/tdbInt.h
+++ b/source/libs/tdb/src/inc/tdbInt.h
@@ -158,6 +158,13 @@ int tdbBtreeUpsert(SBTree *pBt, const void *pKey, int nKey, const void *pData, i
 int tdbBtreeGet(SBTree *pBt, const void *pKey, int kLen, void **ppVal, int *vLen);
 int tdbBtreePGet(SBTree *pBt, const void *pKey, int kLen, void **ppKey, int *pkLen, void **ppVal, int *vLen);
 
+typedef struct {
+  u8      flags;
+  SBTree *pBt;
+} SBtreeInitPageArg;
+
+int tdbBtreeInitPage(SPage *pPage, void *arg, int init);
+
 // SBTC
 int tdbBtcOpen(SBTC *pBtc, SBTree *pBt, TXN *pTxn);
 int tdbBtcClose(SBTC *pBtc);
@@ -185,6 +192,7 @@ int  tdbPagerFetchPage(SPager *pPager, SPgno *ppgno, SPage **ppPage, int (*initP
                        TXN *pTxn);
 void tdbPagerReturnPage(SPager *pPager, SPage *pPage, TXN *pTxn);
 int  tdbPagerAllocPage(SPager *pPager, SPgno *ppgno);
+int tdbPagerRestore(SPager *pPager, SBTree *pBt);
 
 // tdbPCache.c ====================================
 #define TDB_PCACHE_PAGE    \
diff --git a/source/libs/wal/src/walRead.c b/source/libs/wal/src/walRead.c
index e940191cea..b1129b441c 100644
--- a/source/libs/wal/src/walRead.c
+++ b/source/libs/wal/src/walRead.c
@@ -259,6 +259,12 @@ int32_t walReadWithHandle_s(SWalReadHandle *pRead, int64_t ver, SWalReadHead **p
 
 int32_t walReadWithHandle(SWalReadHandle *pRead, int64_t ver) {
   int64_t code;
+
+  if (pRead->pWal->vers.firstVer == -1) {
+    terrno = TSDB_CODE_WAL_LOG_NOT_EXIST;
+    return -1;
+  }
+
   // TODO: check wal life
   if (pRead->curVersion != ver) {
     if (walReadSeekVer(pRead, ver) < 0) {
diff --git a/source/util/src/terror.c b/source/util/src/terror.c
index 66a73ac92b..b89e908df7 100644
--- a/source/util/src/terror.c
+++ b/source/util/src/terror.c
@@ -134,6 +134,7 @@ TAOS_DEFINE_ERROR(TSDB_CODE_TSC_STMT_TBNAME_ERROR,        "Stmt table name not s
 TAOS_DEFINE_ERROR(TSDB_CODE_TSC_STMT_CLAUSE_ERROR,        "not supported stmt clause")
 TAOS_DEFINE_ERROR(TSDB_CODE_TSC_QUERY_KILLED,             "Query killed")
 TAOS_DEFINE_ERROR(TSDB_CODE_TSC_NO_EXEC_NODE,             "No available execution node")
+TAOS_DEFINE_ERROR(TSDB_CODE_TSC_NOT_STABLE_ERROR,         "Table is not a super table")
 
 // mnode-common
 TAOS_DEFINE_ERROR(TSDB_CODE_MND_APP_ERROR,                "Mnode internal error")
diff --git a/tests/pytest/util/sqlset.py b/tests/pytest/util/sqlset.py
new file mode 100644
index 0000000000..939f53154a
--- /dev/null
+++ b/tests/pytest/util/sqlset.py
@@ -0,0 +1,46 @@
+###################################################################
+#           Copyright (c) 2016 by TAOS Technologies, Inc.
+#                     All rights reserved.
+#
+#  This file is proprietary and confidential to TAOS Technologies.
+#  No part of this file may be reproduced, stored, transmitted,
+#  disclosed or used in any form or by any means other than as
+#  expressly provided by the written permission from Jianhui Tao
+#
+###################################################################
+
+# -*- coding: utf-8 -*-
+
+from util.sql import tdSql
+
+class TDSetSql:
+    def init(self, conn, logSql):
+        tdSql.init(conn.cursor(), logSql)
+        self.stbname = 'stb'
+
+    def set_create_normaltable_sql(self, ntbname='ntb', 
+    column_dict={'ts':'timestamp','col1':'tinyint','col2':'smallint','col3':'int','col4':'bigint','col5': 'unsigned int','col6': 'unsigned tinyint','col7': 'unsigned smallint',
+    'col8': 'unsigned int','col9': 'unsigned bigint','col10': 'float','col11': 'double','col12': 'bool','col13': 'binary(20)','col14': 'nchar(20)'}):
+        column_sql = ''
+        for k, v in column_dict.items():
+            column_sql += f"{k} {v},"
+        create_ntb_sql = f'create table {ntbname} ({column_sql[:-1]})'
+        return create_ntb_sql
+
+    def set_create_stable_sql(self,stbname='stb',
+    column_dict={'ts':'timestamp','col1':'tinyint','col2':'smallint','col3':'int','col4':'bigint','col5': 'unsigned int','col6': 'unsigned tinyint','col7': 'unsigned smallint',
+    'col8': 'unsigned int','col9': 'unsigned bigint','col10': 'float','col11': 'double','col12': 'bool','col13': 'binary(20)','col14': 'nchar(20)'},
+    tag_dict={'ts_tag':'timestamp','t1':'tinyint','t2':'smallint','t3':'int','t4':'bigint','t5': 'unsigned int','t6': 'unsigned tinyint','t7': 'unsigned smallint',
+    't8': 'unsigned int','t9': 'unsigned bigint','t10': 'float','t11': 'double','t12': 'bool','t13': 'binary(20)','t14': 'nchar(20)'}):
+        column_sql = ''
+        tag_sql = ''
+        for k,v in column_dict.items():
+            column_sql += f"{k} {v},"
+        for k,v in tag_dict.items():
+            tag_sql += f"{k} {v},"
+        create_stb_sql = f'create table {stbname} ({column_sql[:-1]}) tags({tag_sql[:-1]})'
+        return create_stb_sql
+    
+
+
+    
\ No newline at end of file
diff --git a/tests/script/tsim/show/basic.sim b/tests/script/tsim/show/basic.sim
index f23d75d78b..94ca2f6550 100644
--- a/tests/script/tsim/show/basic.sim
+++ b/tests/script/tsim/show/basic.sim
@@ -36,6 +36,7 @@ sql create database db vgroups 3
 sql use db
 sql create table stb (ts timestamp, c int) tags (t int)
 sql create table t0 using stb tags (0)
+sql create table tba (ts timestamp, c1 binary(10), c2 nchar(10));
 
 print =============== run show xxxx
 sql show dnodes
@@ -62,7 +63,7 @@ if $rows != 1 then
 endi
 #sql show streams, 
 sql show tables
-if $rows != 1 then 
+if $rows != 2 then 
   return -1
 endi
 #sql show user_table_distributed
@@ -98,7 +99,7 @@ if $rows != 1 then
 endi
 #sql select * from information_schema.`streams`
 sql select * from information_schema.user_tables
-if $rows != 29 then
+if $rows != 30 then
   return -1
 endi
 #sql select * from information_schema.user_table_distributed
@@ -160,7 +161,7 @@ if $rows != 1 then
 endi
 #sql show streams, 
 sql show tables
-if $rows != 1 then 
+if $rows != 2 then 
   return -1
 endi
 #sql show user_table_distributed
@@ -196,7 +197,7 @@ if $rows != 1 then
 endi
 #sql select * from performance_schema.`streams`
 sql select * from information_schema.user_tables
-if $rows != 29 then
+if $rows != 30 then
   return -1
 endi
 #sql select * from information_schema.user_table_distributed
@@ -209,5 +210,22 @@ if $rows != 3 then
   return -1
 endi
 
+sql show create stable stb;
+if $rows != 1 then
+  return -1
+endi
+
+sql show create table t0;
+if $rows != 1 then
+  return -1
+endi
+
+sql show create table tba;
+if $rows != 1 then
+  return -1
+endi
+
+sql_error show create stable t0;
+
 system sh/exec.sh -n dnode1 -s stop -x SIGINT
 system sh/exec.sh -n dnode2 -s stop -x SIGINT
diff --git a/tests/system-test/2-query/top.py b/tests/system-test/2-query/top.py
index 83f535856e..86e201ea9a 100644
--- a/tests/system-test/2-query/top.py
+++ b/tests/system-test/2-query/top.py
@@ -11,103 +11,159 @@
 
 # -*- coding: utf-8 -*-
 
-import random
 import string
 from util.common import *
 from util.log import *
 from util.cases import *
 from util.sql import *
-
+from util.sqlset import *
 
 class TDTestCase:
     def init(self, conn, logSql):
         tdLog.debug("start to execute %s" % __file__)
         tdSql.init(conn.cursor())
-
+        self.setsql = TDSetSql()
+        self.ntbname = 'ntb'
         self.rowNum = 10
         self.tbnum = 20
         self.ts = 1537146000000
         self.binary_str = 'taosdata'
         self.nchar_str = '涛思数据'
-    def top_check_base(self):
-        tdSql.prepare()
-        tdSql.execute('''create table stb(ts timestamp, col1 tinyint, col2 smallint, col3 int, col4 bigint, col5 tinyint unsigned, col6 smallint unsigned, 
-                    col7 int unsigned, col8 bigint unsigned, col9 float, col10 double, col11 bool, col12 binary(20), col13 nchar(20)) tags(loc nchar(20))''')
-        tdSql.execute("create table stb_1 using stb tags('beijing')")
-        for i in range(self.rowNum):
-            tdSql.execute(f"insert into stb_1 values(%d, %d, %d, %d, %d, %d, %d, %d, %d, %f, %f, %d, '{self.binary_str}%d', '{self.nchar_str}%d')"
-                          % (self.ts + i, i + 1, i + 1, i + 1, i + 1, i + 1, i + 1, i + 1, i + 1, i + 0.1, i + 0.1, i % 2, i + 1, i + 1))
-        column_list = ['col1','col2','col3','col4','col5','col6','col7','col8']
-        error_column_list = ['col11','col12','col13']
-        error_param_list = [0,101]
-        for i in column_list:
-            tdSql.query(f'select top({i},2) from stb_1')
-            tdSql.checkRows(2)
-            tdSql.checkEqual(tdSql.queryResult,[(9,),(10,)])
-            for j in error_param_list:
-                tdSql.error(f'select top({i},{j}) from stb_1')
-        for i in error_column_list:
-            tdSql.error(f'select top({i},10) from stb_1')
-        tdSql.query("select ts,top(col1, 2),ts from stb_1 group by tbname")
-        tdSql.checkRows(2)
-        tdSql.query('select top(col2,1) from stb_1 interval(1y) order by col2')
-        tdSql.checkData(0,0,10)
-        tdSql.error("select * from stb_1 where top(col2,1)=1")
-        tdSql.execute('drop database db')
-    def top_check_stb_distribute(self):
-        # prepare data for vgroup 4
+        self.column_dict = {
+            'ts'  : 'timestamp',
+            'col1': 'tinyint',
+            'col2': 'smallint',
+            'col3': 'int',
+            'col4': 'bigint',
+            'col5': 'tinyint unsigned',
+            'col6': 'smallint unsigned',
+            'col7': 'int unsigned',
+            'col8': 'bigint unsigned',
+            'col9': 'float',
+            'col10': 'double',
+            'col11': 'bool',
+            'col12': 'binary(20)',
+            'col13': 'nchar(20)'
+        }
+        
+        self.param_list = [1,100]
+
+    def insert_data(self,column_dict,tbname,row_num):
+        sql = ''
+        for k, v in column_dict.items():
+            if v.lower() == 'timestamp' or v.lower() == 'tinyint' or v.lower() == 'smallint' or v.lower() == 'int' or v.lower() == 'bigint' or \
+            v.lower() == 'tinyint unsigned' or v.lower() == 'smallint unsigned' or v.lower() == 'int unsigned' or v.lower() == 'bigint unsigned' or v.lower() == 'bool':
+                sql += '%d,'
+            elif v.lower() == 'float' or v.lower() == 'double':
+                sql += '%f,'
+            elif 'binary' in v.lower():
+                sql += f'"{self.binary_str}%d",'
+            elif 'nchar' in v.lower():
+                sql += f'"{self.nchar_str}%d",'
+        insert_sql = f'insert into {tbname} values({sql[:-1]})'
+        for i in range(row_num):
+            insert_list = []
+            for k, v in column_dict.items():
+                if v.lower() in[ 'tinyint' , 'smallint' , 'int', 'bigint' , 'tinyint unsigned' , 'smallint unsigned' , 'int unsigned' , 'bigint unsigned'] or\
+                'binary' in v.lower() or 'nchar' in v.lower():
+                    insert_list.append(1 + i)
+                elif v.lower() == 'float' or v.lower() == 'double':
+                    insert_list.append(0.1 + i)
+                elif v.lower() == 'bool':
+                    insert_list.append(i % 2)
+                elif v.lower() == 'timestamp':
+                    insert_list.append(self.ts + i)
+            tdSql.execute(insert_sql%(tuple(insert_list)))
+        pass
+    def top_check_data(self,tbname,tb_type):
+        new_column_dict = {}
+        for param in self.param_list:
+            for k,v in self.column_dict.items():
+                if v.lower() in ['tinyint','smallint','int','bigint','tinyint unsigned','smallint unsigned','int unsigned','bigint unsigned']:
+                    tdSql.query(f'select top({k},{param}) from {tbname}')
+                    if param >= self.rowNum:
+                        if tb_type in ['normal_table','child_table']:
+                            tdSql.checkRows(self.rowNum)
+                            values_list = []
+                            for i in range(self.rowNum):
+                                tp = (self.rowNum-i,)
+                                values_list.insert(0,tp)
+                            tdSql.checkEqual(tdSql.queryResult,values_list)
+                        elif tb_type == 'stable':
+                            tdSql.checkRows(param)
+                    elif param < self.rowNum:
+                        if tb_type in ['normal_table','child_table']:
+                            tdSql.checkRows(param)
+                            values_list = []
+                            for i in range(param):
+                                tp = (self.rowNum-i,)
+                                values_list.insert(0,tp)
+                            tdSql.checkEqual(tdSql.queryResult,values_list)
+                        elif tb_type == 'stable':
+                            tdSql.checkRows(param)
+                    for i in [self.param_list[0]-1,self.param_list[-1]+1]:
+                        tdSql.error(f'select top({k},{i}) from {tbname}')
+                    new_column_dict.update({k:v})
+                elif v.lower() == 'bool' or 'binary' in v.lower() or 'nchar' in v.lower():
+                    tdSql.error(f'select top({k},{param}) from {tbname}')
+                tdSql.error(f'select * from {tbname} where top({k},{param})=1')
+        for key in new_column_dict.keys():
+            for k in self.column_dict.keys():
+                if key == k :
+                    continue
+                else:
+                    tdSql.query(f'select top({key},2),{k} from {tbname} group by tbname')
+                    if tb_type == 'normal_table' or tb_type == 'child_table':
+                        tdSql.checkRows(2)
+                    else:
+                        tdSql.checkRows(2*self.tbnum)
+    def top_check_stb(self):
         dbname = tdCom.getLongName(10, "letters")
         stbname = tdCom.getLongName(5, "letters")
+        tag_dict = {
+            't0':'int'
+        }
+        tag_values = [
+            f'1'
+            ]
         tdSql.execute(f"create database if not exists {dbname} vgroups 2")
         tdSql.execute(f'use {dbname}')
-        # build 20 child tables,every table insert 10 rows
-        tdSql.execute(f'''create table {stbname}(ts timestamp, col1 tinyint, col2 smallint, col3 int, col4 bigint, col5 tinyint unsigned, col6 smallint unsigned, 
-                    col7 int unsigned, col8 bigint unsigned, col9 float, col10 double, col11 bool, col12 binary(20), col13 nchar(20)) tags(loc nchar(20))''')
+        tdSql.execute(self.setsql.set_create_stable_sql(stbname,self.column_dict,tag_dict))
+        
         for i in range(self.tbnum):
-            tdSql.execute(f"create table {stbname}_{i} using {stbname} tags('beijing')")
-            tdSql.execute(f"insert into {stbname}_{i}(ts) values(%d)" % (self.ts - 1-i))
-        column_list = ['col1','col2','col3','col4','col5','col6','col7','col8']
-        for i in [f'{stbname}', f'{dbname}.{stbname}']:
-            for j in column_list:
-                tdSql.query(f"select top({j},1) from {i}")
-                tdSql.checkRows(0)
+            tdSql.execute(f"create table {stbname}_{i} using {stbname} tags({tag_values[0]})")
+            tdSql.execute(self.insert_data(self.column_dict,f'{stbname}_{i}',self.rowNum))
         tdSql.query('show tables')
         vgroup_list = []
         for i in range(len(tdSql.queryResult)):
             vgroup_list.append(tdSql.queryResult[i][6])
-        vgroup_list_set = set(vgroup_list)
 
+        vgroup_list_set = set(vgroup_list)
         for i in vgroup_list_set:
             vgroups_num = vgroup_list.count(i)
-            if vgroups_num >=2:
+            if vgroups_num >= 2:
                 tdLog.info(f'This scene with {vgroups_num} vgroups is ok!')
-                continue
-            else:
-                tdLog.exit(f'This scene does not meet the requirements with {vgroups_num} vgroup!\n')
-        for i in range(self.rowNum):
-            for j in range(self.tbnum):
-                tdSql.execute(f"insert into {stbname}_{j} values(%d, %d, %d, %d, %d, %d, %d, %d, %d, %f, %f, %d, '{self.binary_str}%d', '{self.nchar_str}%d')"
-                          % (self.ts + i, i + 1, i + 1, i + 1, i + 1, i + 1, i + 1, i + 1, i + 1, i + 0.1, i + 0.1, i % 2, i + 1, i + 1))
-        
-        error_column_list = ['col11','col12','col13']
-        error_param_list = [0,101]
-        for i in column_list:
-            tdSql.query(f'select top({i},2) from {stbname}')
-            tdSql.checkRows(2)
-            tdSql.checkEqual(tdSql.queryResult,[(10,),(10,)])
-            for j in error_param_list:
-                tdSql.error(f'select top({i},{j}) from {stbname}')
-        for i in error_column_list:
-            tdSql.error(f'select top({i},10) from {stbname}')
 
-        tdSql.query(f"select ts,top(col1, 2),ts from {stbname} group by tbname")
-        tdSql.checkRows(2*self.tbnum)
-        tdSql.query(f'select top(col2,1) from {stbname} interval(1y) order by col2')
-        tdSql.checkData(0,0,10)
-        tdSql.error(f"select * from {stbname} where top(col2,1)=1")
+            else:
+                tdLog.exit(
+                    'This scene does not meet the requirements with {vgroups_num} vgroup!\n')
+        for i in range(self.tbnum):
+            self.top_check_data(f'{stbname}_{i}','child_table')
+        self.top_check_data(stbname,'stable')
+        tdSql.execute(f'drop database {dbname}')
+
+    def top_check_ntb(self):
+        tdSql.prepare()
+        tdSql.execute(self.setsql.set_create_normaltable_sql(self.ntbname,self.column_dict))
+        self.insert_data(self.column_dict,self.ntbname,self.rowNum)
+        self.top_check_data(self.ntbname,'normal_table')
+        tdSql.execute('drop database db')
+
     def run(self):
-        self.top_check_base()
-        self.top_check_stb_distribute()
+        self.top_check_ntb()
+        self.top_check_stb()
+
+        
     def stop(self):
         tdSql.close()
         tdLog.success("%s successfully executed" % __file__)