diff --git a/packaging/tools/install.sh b/packaging/tools/install.sh
index 849ab5a92a..a1a95d9f30 100755
--- a/packaging/tools/install.sh
+++ b/packaging/tools/install.sh
@@ -573,16 +573,18 @@ function install_config() {
 }
 
 function install_share_etc() {
+  [ ! -d ${script_dir}/share/etc ] && return
   for c in `ls ${script_dir}/share/etc/`; do
     if [ -e /etc/$c ]; then
       out=/etc/$c.new.`date +%F`
-      ${csudo}cp -f ${script_dir}/share/etc/$c $out
+      ${csudo}cp -f ${script_dir}/share/etc/$c $out ||:
     else
-      ${csudo}cp -f ${script_dir}/share/etc/$c /etc/$c
+      ${csudo}cp -f ${script_dir}/share/etc/$c /etc/$c ||:
     fi
   done
 
-  ${csudo} cp ${script_dir}/share/srv/* ${service_config_dir}
+  [ ! -d ${script_dir}/share/srv ] && return
+  ${csudo} cp ${script_dir}/share/srv/* ${service_config_dir} ||:
 }
 
 function install_log() {
@@ -612,7 +614,7 @@ function install_examples() {
 
 function install_web() {
   if [ -d "${script_dir}/share" ]; then
-    ${csudo}cp -rf ${script_dir}/share/* ${install_main_dir}/share
+    ${csudo}cp -rf ${script_dir}/share/* ${install_main_dir}/share > /dev/null 2>&1 ||:
   fi
 }
 
diff --git a/packaging/tools/makepkg.sh b/packaging/tools/makepkg.sh
index 12e215c62b..0dce526db6 100755
--- a/packaging/tools/makepkg.sh
+++ b/packaging/tools/makepkg.sh
@@ -150,7 +150,7 @@ fi
 mkdir -p ${install_dir}/bin && cp ${bin_files} ${install_dir}/bin && chmod a+x ${install_dir}/bin/* || :
 mkdir -p ${install_dir}/init.d && cp ${init_file_deb} ${install_dir}/init.d/${serverName}.deb
 mkdir -p ${install_dir}/init.d && cp ${init_file_rpm} ${install_dir}/init.d/${serverName}.rpm
-mkdir -p ${install_dir}/share && cp -rf ${build_dir}/share/{etc,srv} ${install_dir}/share
+mkdir -p ${install_dir}/share && cp -rf ${build_dir}/share/{etc,srv} ${install_dir}/share ||:
 
 if [ $adapterName != "taosadapter" ]; then
   mv ${install_dir}/cfg/${clientName2}adapter.toml ${install_dir}/cfg/$adapterName.toml
diff --git a/source/client/inc/clientStmt.h b/source/client/inc/clientStmt.h
index 0c9696f1c8..cbef80b6da 100644
--- a/source/client/inc/clientStmt.h
+++ b/source/client/inc/clientStmt.h
@@ -144,6 +144,15 @@ extern char *gStmtStatusStr[];
       goto _return;                  \
     }                                \
   } while (0)
+#define STMT_ERRI_JRET(c)            \
+  do {                               \
+    code = c;                        \
+    if (code != TSDB_CODE_SUCCESS) { \
+      terrno = code;                 \
+      goto _return;                  \
+    }                                \
+  } while (0)
+
 
 #define STMT_ELOG(param, ...) qError("stmt:%p " param, pStmt, __VA_ARGS__)
 #define STMT_DLOG(param, ...) qDebug("stmt:%p " param, pStmt, __VA_ARGS__)
diff --git a/source/client/src/clientSml.c b/source/client/src/clientSml.c
index 94c7fa74d4..17150286e1 100644
--- a/source/client/src/clientSml.c
+++ b/source/client/src/clientSml.c
@@ -699,7 +699,7 @@ static int32_t smlSendMetaMsg(SSmlHandle *info, SName *pName, SArray *pColumns,
     pReq.numOfTags = 1;
     SField field = {0};
     field.type = TSDB_DATA_TYPE_NCHAR;
-    field.bytes = 1;
+    field.bytes = TSDB_NCHAR_SIZE + VARSTR_HEADER_SIZE;
     strcpy(field.name, tsSmlTagName);
     taosArrayPush(pReq.pTags, &field);
   }
diff --git a/source/client/src/clientStmt.c b/source/client/src/clientStmt.c
index 71a41c68e7..6e529f1a0b 100644
--- a/source/client/src/clientStmt.c
+++ b/source/client/src/clientStmt.c
@@ -975,15 +975,17 @@ int stmtIsInsert(TAOS_STMT* stmt, int* insert) {
 }
 
 int stmtGetTagFields(TAOS_STMT* stmt, int* nums, TAOS_FIELD_E** fields) {
+  int32_t code = 0;
   STscStmt* pStmt = (STscStmt*)stmt;
+  int32_t preCode = pStmt->errCode;
 
   STMT_DLOG_E("start to get tag fields");
 
   if (STMT_TYPE_QUERY == pStmt->sql.type) {
-    STMT_RET(TSDB_CODE_TSC_STMT_API_ERROR);
+    STMT_ERRI_JRET(TSDB_CODE_TSC_STMT_API_ERROR);
   }
 
-  STMT_ERR_RET(stmtSwitchStatus(pStmt, STMT_FETCH_FIELDS));
+  STMT_ERRI_JRET(stmtSwitchStatus(pStmt, STMT_FETCH_FIELDS));
 
   if (pStmt->bInfo.needParse && pStmt->sql.runTimes && pStmt->sql.type > 0 &&
       STMT_TYPE_MULTI_INSERT != pStmt->sql.type) {
@@ -995,27 +997,33 @@ int stmtGetTagFields(TAOS_STMT* stmt, int* nums, TAOS_FIELD_E** fields) {
     pStmt->exec.pRequest = NULL;
   }
 
-  STMT_ERR_RET(stmtCreateRequest(pStmt));
+  STMT_ERRI_JRET(stmtCreateRequest(pStmt));
 
   if (pStmt->bInfo.needParse) {
-    STMT_ERR_RET(stmtParseSql(pStmt));
+    STMT_ERRI_JRET(stmtParseSql(pStmt));
   }
 
-  STMT_ERR_RET(stmtFetchTagFields(stmt, nums, fields));
+  STMT_ERRI_JRET(stmtFetchTagFields(stmt, nums, fields));
 
-  return TSDB_CODE_SUCCESS;
+_return:
+
+  pStmt->errCode = preCode;
+  
+  return code;
 }
 
 int stmtGetColFields(TAOS_STMT* stmt, int* nums, TAOS_FIELD_E** fields) {
+  int32_t code = 0;
   STscStmt* pStmt = (STscStmt*)stmt;
+  int32_t preCode = pStmt->errCode;
 
   STMT_DLOG_E("start to get col fields");
 
   if (STMT_TYPE_QUERY == pStmt->sql.type) {
-    STMT_RET(TSDB_CODE_TSC_STMT_API_ERROR);
+    STMT_ERRI_JRET(TSDB_CODE_TSC_STMT_API_ERROR);
   }
 
-  STMT_ERR_RET(stmtSwitchStatus(pStmt, STMT_FETCH_FIELDS));
+  STMT_ERRI_JRET(stmtSwitchStatus(pStmt, STMT_FETCH_FIELDS));
 
   if (pStmt->bInfo.needParse && pStmt->sql.runTimes && pStmt->sql.type > 0 &&
       STMT_TYPE_MULTI_INSERT != pStmt->sql.type) {
@@ -1027,15 +1035,19 @@ int stmtGetColFields(TAOS_STMT* stmt, int* nums, TAOS_FIELD_E** fields) {
     pStmt->exec.pRequest = NULL;
   }
 
-  STMT_ERR_RET(stmtCreateRequest(pStmt));
+  STMT_ERRI_JRET(stmtCreateRequest(pStmt));
 
   if (pStmt->bInfo.needParse) {
-    STMT_ERR_RET(stmtParseSql(pStmt));
+    STMT_ERRI_JRET(stmtParseSql(pStmt));
   }
 
-  STMT_ERR_RET(stmtFetchColFields(stmt, nums, fields));
+  STMT_ERRI_JRET(stmtFetchColFields(stmt, nums, fields));
 
-  return TSDB_CODE_SUCCESS;
+_return:
+
+  pStmt->errCode = preCode;
+
+  return code;
 }
 
 int stmtGetParamNum(TAOS_STMT* stmt, int* nums) {
diff --git a/source/dnode/mgmt/mgmt_vnode/src/vmWorker.c b/source/dnode/mgmt/mgmt_vnode/src/vmWorker.c
index e4e0d608de..756ca008b0 100644
--- a/source/dnode/mgmt/mgmt_vnode/src/vmWorker.c
+++ b/source/dnode/mgmt/mgmt_vnode/src/vmWorker.c
@@ -114,11 +114,11 @@ static void vmProcessFetchQueue(SQueueInfo *pInfo, STaosQall *qall, int32_t numO
     int32_t code = vnodeProcessFetchMsg(pVnode->pImpl, pMsg, pInfo);
     if (code != 0) {
       if (terrno != 0) code = terrno;
-      dGError("vgId:%d, msg:%p failed to fetch since %s", pVnode->vgId, pMsg, terrstr(code));
+      dGError("vnodeProcessFetchMsg vgId:%d, msg:%p failed to fetch since %s", pVnode->vgId, pMsg, terrstr());
       vmSendRsp(pMsg, code);
     }
 
-    dGTrace("vgId:%d, msg:%p is freed, code:0x%x", pVnode->vgId, pMsg, code);
+    dGTrace("vnodeProcessFetchMsg vgId:%d, msg:%p is freed, code:0x%x", pVnode->vgId, pMsg, code);
     rpcFreeCont(pMsg->pCont);
     taosFreeQitem(pMsg);
   }
diff --git a/source/dnode/mnode/impl/src/mndUser.c b/source/dnode/mnode/impl/src/mndUser.c
index 34914d80f0..3a1c4ce58f 100644
--- a/source/dnode/mnode/impl/src/mndUser.c
+++ b/source/dnode/mnode/impl/src/mndUser.c
@@ -156,7 +156,7 @@ SSdbRaw *mndUserActionEncode(SUserObj *pUser) {
     size_t valueLen = 0;
     valueLen = strlen(stb);
     size += sizeof(int32_t);
-    size += keyLen;
+    size += valueLen;
     stb = taosHashIterate(pUser->writeTbs, stb);
   }
 
@@ -369,7 +369,7 @@ static SSdbRow *mndUserActionDecode(SSdbRaw *pRaw) {
       int32_t valuelen = 0;
       SDB_GET_INT32(pRaw, dataPos, &valuelen, _OVER);
       char *value = taosMemoryCalloc(valuelen, sizeof(char));
-      memset(value, 0, keyLen);
+      memset(value, 0, valuelen);
       SDB_GET_BINARY(pRaw, dataPos, value, valuelen, _OVER)
 
       taosHashPut(pUser->writeTbs, key, keyLen, value, valuelen);
@@ -458,6 +458,31 @@ SHashObj *mndDupTableHash(SHashObj *pOld) {
   return pNew;
 }
 
+SHashObj *mndDupUseDbHash(SHashObj *pOld) {
+  SHashObj *pNew =
+      taosHashInit(taosHashGetSize(pOld), taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, HASH_ENTRY_LOCK);
+  if (pNew == NULL) {
+    terrno = TSDB_CODE_OUT_OF_MEMORY;
+    return NULL;
+  }
+
+  int32_t *db = taosHashIterate(pOld, NULL);
+  while (db != NULL) {
+    size_t keyLen = 0;
+    char  *key = taosHashGetKey(db, &keyLen);
+
+    if (taosHashPut(pNew, key, keyLen, db, sizeof(*db)) != 0) {
+      taosHashCancelIterate(pOld, db);
+      taosHashCleanup(pNew);
+      terrno = TSDB_CODE_OUT_OF_MEMORY;
+      return NULL;
+    }
+    db = taosHashIterate(pOld, db);
+  }
+
+  return pNew;
+}
+
 static int32_t mndUserDupObj(SUserObj *pUser, SUserObj *pNew) {
   memcpy(pNew, pUser, sizeof(SUserObj));
   pNew->authVersion++;
@@ -469,7 +494,7 @@ static int32_t mndUserDupObj(SUserObj *pUser, SUserObj *pNew) {
   pNew->readTbs = mndDupTableHash(pUser->readTbs);
   pNew->writeTbs = mndDupTableHash(pUser->writeTbs);
   pNew->topics = mndDupTopicHash(pUser->topics);
-  pNew->useDbs = mndDupDbHash(pUser->useDbs);
+  pNew->useDbs = mndDupUseDbHash(pUser->useDbs);
   taosRUnLockLatch(&pUser->lock);
 
   if (pNew->readDbs == NULL || pNew->writeDbs == NULL || pNew->topics == NULL) {
diff --git a/source/dnode/vnode/src/tq/tqRead.c b/source/dnode/vnode/src/tq/tqRead.c
index 54e4e393ec..72b478e6bf 100644
--- a/source/dnode/vnode/src/tq/tqRead.c
+++ b/source/dnode/vnode/src/tq/tqRead.c
@@ -296,10 +296,9 @@ void tqCloseReader(STqReader* pReader) {
 
 int32_t tqSeekVer(STqReader* pReader, int64_t ver, const char* id) {
   if (walReadSeekVer(pReader->pWalReader, ver) < 0) {
-    tqDebug("tmq poll: wal reader failed to seek to ver:%"PRId64" code:%s, %s", ver, tstrerror(terrno), id);
     return -1;
   }
-  tqDebug("tmq poll: wal reader seek to ver:%"PRId64" %s", ver, id);
+  tqDebug("tmq poll: wal reader seek to ver success ver:%"PRId64" %s", ver, id);
   return 0;
 }
 
diff --git a/source/libs/catalog/src/ctgUtil.c b/source/libs/catalog/src/ctgUtil.c
index 1266c37dda..b2b2b5a87e 100644
--- a/source/libs/catalog/src/ctgUtil.c
+++ b/source/libs/catalog/src/ctgUtil.c
@@ -1400,10 +1400,10 @@ int32_t ctgChkSetAuthRes(SCatalog* pCtg, SCtgAuthReq* req, SCtgAuthRsp* res) {
   pRes->pass = false;
   pRes->pCond = NULL;
 
-  // if (!pInfo->enable) {
-  //   pRes->pass = false;
-  //   return TSDB_CODE_SUCCESS;
-  // }
+  if (!pInfo->enable) {
+    pRes->pass = false;
+    return TSDB_CODE_SUCCESS;
+  }
 
   if (pInfo->superAuth) {
     pRes->pass = true;
@@ -1453,7 +1453,8 @@ int32_t ctgChkSetAuthRes(SCatalog* pCtg, SCtgAuthReq* req, SCtgAuthRsp* res) {
     }
     case AUTH_TYPE_READ_OR_WRITE: {
       if ((pInfo->readDbs && taosHashGet(pInfo->readDbs, dbFName, strlen(dbFName))) ||
-          (pInfo->writeDbs && taosHashGet(pInfo->writeDbs, dbFName, strlen(dbFName)))) {
+          (pInfo->writeDbs && taosHashGet(pInfo->writeDbs, dbFName, strlen(dbFName))) ||
+          (pInfo->useDbs && taosHashGet(pInfo->useDbs, dbFName, strlen(dbFName)))) {
         pRes->pass = true;
         return TSDB_CODE_SUCCESS;
       }
diff --git a/source/libs/executor/src/executor.c b/source/libs/executor/src/executor.c
index 1fd3cfa1bf..0229631d40 100644
--- a/source/libs/executor/src/executor.c
+++ b/source/libs/executor/src/executor.c
@@ -1062,6 +1062,7 @@ int32_t qStreamSetScanMemData(qTaskInfo_t tinfo, SPackedData submit) {
   SExecTaskInfo* pTaskInfo = (SExecTaskInfo*)tinfo;
   if ((pTaskInfo->execModel != OPTR_EXEC_MODEL_QUEUE) || (pTaskInfo->streamInfo.submit.msgStr != NULL)) {
     qError("qStreamSetScanMemData err:%d,%p", pTaskInfo->execModel, pTaskInfo->streamInfo.submit.msgStr);
+    terrno = TSDB_CODE_PAR_INTERNAL_ERROR;
     return -1;
   }
   qDebug("set the submit block for future scan");
@@ -1125,6 +1126,7 @@ int32_t qStreamPrepareScan(qTaskInfo_t tinfo, STqOffsetVal* pOffset, int8_t subT
         } else {
           taosRUnLockLatch(&pTaskInfo->lock);
           qError("no table in table list, %s", id);
+          terrno = TSDB_CODE_PAR_INTERNAL_ERROR;
           return -1;
         }
       }
@@ -1144,6 +1146,7 @@ int32_t qStreamPrepareScan(qTaskInfo_t tinfo, STqOffsetVal* pOffset, int8_t subT
       } else {
         qError("vgId:%d uid:%" PRIu64 " not found in table list, total:%d, index:%d %s", pTaskInfo->id.vgId, uid,
                numOfTables, pScanInfo->currentTable, id);
+        terrno = TSDB_CODE_PAR_INTERNAL_ERROR;
         return -1;
       }
 
@@ -1176,6 +1179,7 @@ int32_t qStreamPrepareScan(qTaskInfo_t tinfo, STqOffsetVal* pOffset, int8_t subT
       pScanBaseInfo->cond.twindows.skey = oldSkey;
     } else {
       qError("invalid pOffset->type:%d, %s", pOffset->type, id);
+      terrno = TSDB_CODE_PAR_INTERNAL_ERROR;
       return -1;
     }
 
@@ -1190,6 +1194,7 @@ int32_t qStreamPrepareScan(qTaskInfo_t tinfo, STqOffsetVal* pOffset, int8_t subT
 
       if (setForSnapShot(sContext, pOffset->uid) != 0) {
         qError("setDataForSnapShot error. uid:%" PRId64 " , %s", pOffset->uid, id);
+        terrno = TSDB_CODE_PAR_INTERNAL_ERROR;
         return -1;
       }
 
@@ -1226,6 +1231,7 @@ int32_t qStreamPrepareScan(qTaskInfo_t tinfo, STqOffsetVal* pOffset, int8_t subT
       SSnapContext*       sContext = pInfo->sContext;
       if (setForSnapShot(sContext, pOffset->uid) != 0) {
         qError("setForSnapShot error. uid:%" PRIu64 " ,version:%" PRId64, pOffset->uid, pOffset->version);
+        terrno = TSDB_CODE_PAR_INTERNAL_ERROR;
         return -1;
       }
       qDebug("tmqsnap qStreamPrepareScan snapshot meta uid:%" PRId64 " ts %" PRId64 " %s", pOffset->uid, pOffset->ts,
diff --git a/source/libs/executor/src/executorimpl.c b/source/libs/executor/src/executorimpl.c
index 9ab3983ac1..a0697a7102 100644
--- a/source/libs/executor/src/executorimpl.c
+++ b/source/libs/executor/src/executorimpl.c
@@ -998,6 +998,7 @@ int32_t getTableScanInfo(SOperatorInfo* pOperator, int32_t* order, int32_t* scan
 SOperatorInfo* extractOperatorInTree(SOperatorInfo* pOperator, int32_t type, const char* id) {
   if (pOperator == NULL) {
     qError("invalid operator, failed to find tableScanOperator %s", id);
+    terrno = TSDB_CODE_PAR_INTERNAL_ERROR;
     return NULL;
   }
 
@@ -1006,6 +1007,7 @@ SOperatorInfo* extractOperatorInTree(SOperatorInfo* pOperator, int32_t type, con
   } else {
     if (pOperator->pDownstream == NULL || pOperator->pDownstream[0] == NULL) {
       qError("invalid operator, failed to find tableScanOperator %s", id);
+      terrno = TSDB_CODE_PAR_INTERNAL_ERROR;
       return NULL;
     }
 
diff --git a/source/libs/parser/src/parInsertSql.c b/source/libs/parser/src/parInsertSql.c
index 15c4747e6e..eb2efd573d 100644
--- a/source/libs/parser/src/parInsertSql.c
+++ b/source/libs/parser/src/parInsertSql.c
@@ -2027,7 +2027,7 @@ static int32_t buildInsertUserAuthReq(const char* pUser, SName* pName, SArray**
 
   SUserAuthInfo userAuth = {.type = AUTH_TYPE_WRITE};
   snprintf(userAuth.user, sizeof(userAuth.user), "%s", pUser);
-  // tNameGetFullDbName(pName, userAuth.dbFName);
+  memcpy(&userAuth.tbName, pName, sizeof(SName));
   taosArrayPush(*pUserAuth, &userAuth);
 
   return TSDB_CODE_SUCCESS;
diff --git a/source/libs/wal/src/walRead.c b/source/libs/wal/src/walRead.c
index ad6127ead2..db4e3a4759 100644
--- a/source/libs/wal/src/walRead.c
+++ b/source/libs/wal/src/walRead.c
@@ -207,17 +207,12 @@ int32_t walReadSeekVer(SWalReader *pReader, int64_t ver) {
     return 0;
   }
 
-//  pReader->curInvalid = 1;
-//  pReader->curVersion = ver;
-
   if (ver > pWal->vers.lastVer || ver < pWal->vers.firstVer) {
-    wDebug("vgId:%d, invalid index:%" PRId64 ", first index:%" PRId64 ", last index:%" PRId64, pReader->pWal->cfg.vgId,
+    wInfo("vgId:%d, invalid index:%" PRId64 ", first index:%" PRId64 ", last index:%" PRId64, pReader->pWal->cfg.vgId,
            ver, pWal->vers.firstVer, pWal->vers.lastVer);
     terrno = TSDB_CODE_WAL_LOG_NOT_EXIST;
     return -1;
   }
-//  if (ver < pWal->vers.snapshotVer) {
-//  }
 
   if (walReadSeekVerImpl(pReader, ver) < 0) {
     return -1;
@@ -236,8 +231,6 @@ static int32_t walFetchHeadNew(SWalReader *pRead, int64_t fetchVer) {
 
   if (pRead->curVersion != fetchVer) {
     if (walReadSeekVer(pRead, fetchVer) < 0) {
-//      pRead->curVersion = fetchVer;
-//      pRead->curInvalid = 1;
       return -1;
     }
     seeked = true;
@@ -256,7 +249,6 @@ static int32_t walFetchHeadNew(SWalReader *pRead, int64_t fetchVer) {
       } else {
         terrno = TSDB_CODE_WAL_FILE_CORRUPTED;
       }
-//      pRead->curInvalid = 1;
       return -1;
     }
   }
diff --git a/tests/system-test/2-query/sml.py b/tests/system-test/2-query/sml.py
index ec6309c71a..f96ed8a3ff 100644
--- a/tests/system-test/2-query/sml.py
+++ b/tests/system-test/2-query/sml.py
@@ -24,7 +24,7 @@ class TDTestCase:
         tdSql.init(conn.cursor(), True)
         #tdSql.init(conn.cursor(), logSql)  # output sql.txt file
 
-    def checkFileContent(self, dbname="sml_db"):
+    def checkContent(self, dbname="sml_db"):
         simClientCfg="%s/taos.cfg"%tdDnodes.getSimCfgPath()
         buildPath = tdCom.getBuildPath()
         cmdStr = '%s/build/bin/sml_test %s'%(buildPath, simClientCfg)
@@ -102,7 +102,7 @@ class TDTestCase:
 
     def run(self):
         tdSql.prepare()
-        self.checkFileContent()
+        self.checkContent()
 
     def stop(self):
         tdSql.close()
diff --git a/tests/system-test/7-tmq/dropDbR3ConflictTransaction.py b/tests/system-test/7-tmq/dropDbR3ConflictTransaction.py
index fa22cad726..7d11684ed8 100644
--- a/tests/system-test/7-tmq/dropDbR3ConflictTransaction.py
+++ b/tests/system-test/7-tmq/dropDbR3ConflictTransaction.py
@@ -32,34 +32,6 @@ class TDTestCase:
         tdSql.init(conn.cursor())
         #tdSql.init(conn.cursor(), logSql)  # output sql.txt file
 
-    def checkFileContent(self, consumerId, queryString):
-        buildPath = tdCom.getBuildPath()
-        cfgPath = tdCom.getClientCfgPath()
-        dstFile = '%s/../log/dstrows_%d.txt'%(cfgPath, consumerId)
-        cmdStr = '%s/build/bin/taos -c %s -s "%s >> %s"'%(buildPath, cfgPath, queryString, dstFile)
-        tdLog.info(cmdStr)
-        os.system(cmdStr)
-
-        consumeRowsFile = '%s/../log/consumerid_%d.txt'%(cfgPath, consumerId)
-        tdLog.info("rows file: %s, %s"%(consumeRowsFile, dstFile))
-
-        consumeFile = open(consumeRowsFile, mode='r')
-        queryFile = open(dstFile, mode='r')
-
-        # skip first line for it is schema
-        queryFile.readline()
-
-        while True:
-            dst = queryFile.readline()
-            src = consumeFile.readline()
-
-            if dst:
-                if dst != src:
-                    tdLog.exit("consumerId %d consume rows is not match the rows by direct query"%consumerId)
-            else:
-                break
-        return
-
     def prepareTestEnv(self):
         tdLog.printNoPrefix("======== prepare test env include database, stable, ctables, and insert data: ")
         paraDict = {'dbName':     'dbt',
diff --git a/tests/system-test/7-tmq/tmq3mnodeSwitch.py b/tests/system-test/7-tmq/tmq3mnodeSwitch.py
index 22ef8cebdc..0740830696 100644
--- a/tests/system-test/7-tmq/tmq3mnodeSwitch.py
+++ b/tests/system-test/7-tmq/tmq3mnodeSwitch.py
@@ -138,34 +138,6 @@ class TDTestCase:
         else:
             tdLog.exit("three mnodes is not ready in 10s ")
 
-    def checkFileContent(self, consumerId, queryString):
-        buildPath = tdCom.getBuildPath()
-        cfgPath = tdCom.getClientCfgPath()
-        dstFile = '%s/../log/dstrows_%d.txt'%(cfgPath, consumerId)
-        cmdStr = '%s/build/bin/taos -c %s -s "%s >> %s"'%(buildPath, cfgPath, queryString, dstFile)
-        tdLog.info(cmdStr)
-        os.system(cmdStr)
-
-        consumeRowsFile = '%s/../log/consumerid_%d.txt'%(cfgPath, consumerId)
-        tdLog.info("rows file: %s, %s"%(consumeRowsFile, dstFile))
-
-        consumeFile = open(consumeRowsFile, mode='r')
-        queryFile = open(dstFile, mode='r')
-
-        # skip first line for it is schema
-        queryFile.readline()
-
-        while True:
-            dst = queryFile.readline()
-            src = consumeFile.readline()
-
-            if dst:
-                if dst != src:
-                    tdLog.exit("consumerId %d consume rows is not match the rows by direct query"%consumerId)
-            else:
-                break
-        return
-
     def tmqCase1(self):
         tdLog.printNoPrefix("======== test case 1: ")
         paraDict = {'dbName':     'db1',
@@ -257,7 +229,7 @@ class TDTestCase:
             tdLog.exit("0 tmq consume rows error!")
 
         if expectRowsList[0] == resultList[0]:
-            self.checkFileContent(consumerId, queryString)
+            tmqCom.checkFileContent(consumerId, queryString)
 
         time.sleep(10)
         for i in range(len(topicNameList)):
diff --git a/tests/system-test/7-tmq/tmqCheckData.py b/tests/system-test/7-tmq/tmqCheckData.py
index a9671241a9..cb5a40642a 100644
--- a/tests/system-test/7-tmq/tmqCheckData.py
+++ b/tests/system-test/7-tmq/tmqCheckData.py
@@ -5,6 +5,7 @@ import time
 import socket
 import os
 import threading
+import math
 
 from util.log import *
 from util.sql import *
@@ -21,34 +22,6 @@ class TDTestCase:
         tdSql.init(conn.cursor())
         #tdSql.init(conn.cursor(), logSql)  # output sql.txt file
 
-    def checkFileContent(self, consumerId, queryString):
-        buildPath = tdCom.getBuildPath()
-        cfgPath = tdCom.getClientCfgPath()
-        dstFile = '%s/../log/dstrows_%d.txt'%(cfgPath, consumerId)
-        cmdStr = '%s/build/bin/taos -c %s -s "%s >> %s"'%(buildPath, cfgPath, queryString, dstFile)
-        tdLog.info(cmdStr)
-        os.system(cmdStr)
-
-        consumeRowsFile = '%s/../log/consumerid_%d.txt'%(cfgPath, consumerId)
-        tdLog.info("rows file: %s, %s"%(consumeRowsFile, dstFile))
-
-        consumeFile = open(consumeRowsFile, mode='r')
-        queryFile = open(dstFile, mode='r')
-
-        # skip first line for it is schema
-        queryFile.readline()
-
-        while True:
-            dst = queryFile.readline()
-            src = consumeFile.readline()
-
-            if dst:
-                if dst != src:
-                    tdLog.exit("consumerId %d consume rows is not match the rows by direct query"%consumerId)
-            else:
-                break
-        return
-
     def tmqCase1(self):
         tdLog.printNoPrefix("======== test case 1: ")
         paraDict = {'dbName':     'db1',
@@ -110,7 +83,7 @@ class TDTestCase:
             tdLog.info("expect consume rows: %d, act consume rows: %d"%(expectRowsList[0], resultList[0]))
             tdLog.exit("0 tmq consume rows error!")
 
-        self.checkFileContent(consumerId, queryString)
+        tmqCom.checkFileContent(consumerId, queryString)
 
         # reinit consume info, and start tmq_sim, then check consume result
         tmqCom.initConsumerTable()
@@ -136,7 +109,7 @@ class TDTestCase:
             tdLog.info("expect consume rows: %d, act consume rows: %d"%(expectRowsList[1], resultList[0]))
             tdLog.exit("1 tmq consume rows error!")
 
-        self.checkFileContent(consumerId, queryString)
+        tmqCom.checkFileContent(consumerId, queryString)
 
         # reinit consume info, and start tmq_sim, then check consume result
         tmqCom.initConsumerTable()
@@ -162,7 +135,7 @@ class TDTestCase:
         #     tdLog.info("expect consume rows: %d, act consume rows: %d"%(expectRowsList[2], resultList[0]))
         #     tdLog.exit("2 tmq consume rows error!")
 
-        # self.checkFileContent(consumerId, queryString)
+        # tmqCom.checkFileContent(consumerId, queryString)
 
         time.sleep(10)
         for i in range(len(topicNameList)):
diff --git a/tests/system-test/7-tmq/tmqCheckData1.py b/tests/system-test/7-tmq/tmqCheckData1.py
index e06c29c5a2..b4fec94dcc 100644
--- a/tests/system-test/7-tmq/tmqCheckData1.py
+++ b/tests/system-test/7-tmq/tmqCheckData1.py
@@ -21,34 +21,6 @@ class TDTestCase:
         tdSql.init(conn.cursor())
         #tdSql.init(conn.cursor(), logSql)  # output sql.txt file
 
-    def checkFileContent(self, consumerId, queryString):
-        buildPath = tdCom.getBuildPath()
-        cfgPath = tdCom.getClientCfgPath()
-        dstFile = '%s/../log/dstrows_%d.txt'%(cfgPath, consumerId)
-        cmdStr = '%s/build/bin/taos -c %s -s "%s >> %s"'%(buildPath, cfgPath, queryString, dstFile)
-        tdLog.info(cmdStr)
-        os.system(cmdStr)
-
-        consumeRowsFile = '%s/../log/consumerid_%d.txt'%(cfgPath, consumerId)
-        tdLog.info("rows file: %s, %s"%(consumeRowsFile, dstFile))
-
-        consumeFile = open(consumeRowsFile, mode='r')
-        queryFile = open(dstFile, mode='r')
-
-        # skip first line for it is schema
-        queryFile.readline()
-
-        while True:
-            dst = queryFile.readline()
-            src = consumeFile.readline()
-
-            if dst:
-                if dst != src:
-                    tdLog.exit("consumerId %d consume rows is not match the rows by direct query"%consumerId)
-            else:
-                break
-        return
-
     def tmqCase1(self):
         tdLog.printNoPrefix("======== test case 1: ")
         paraDict = {'dbName':     'db1',
@@ -110,7 +82,7 @@ class TDTestCase:
             tdLog.info("expect consume rows: %d, act consume rows: %d"%(expectRowsList[0], resultList[0]))
             tdLog.exit("0 tmq consume rows error!")
 
-        self.checkFileContent(consumerId, queryString)
+        tmqCom.checkFileContent(consumerId, queryString)
 
         # reinit consume info, and start tmq_sim, then check consume result
         tmqCom.initConsumerTable()
@@ -135,7 +107,7 @@ class TDTestCase:
             tdLog.info("expect consume rows: %d, act consume rows: %d"%(expectRowsList[1], resultList[0]))
             tdLog.exit("1 tmq consume rows error!")
 
-        self.checkFileContent(consumerId, queryString)
+        tmqCom.checkFileContent(consumerId, queryString)
 
         # reinit consume info, and start tmq_sim, then check consume result
         tmqCom.initConsumerTable()
@@ -160,7 +132,7 @@ class TDTestCase:
             tdLog.info("expect consume rows: %d, act consume rows: %d"%(expectRowsList[2], resultList[0]))
             tdLog.exit("2 tmq consume rows error!")
 
-        self.checkFileContent(consumerId, queryString)
+        tmqCom.checkFileContent(consumerId, queryString)
 
         time.sleep(10)
         for i in range(len(topicNameList)):
diff --git a/tests/system-test/7-tmq/tmqCommon.py b/tests/system-test/7-tmq/tmqCommon.py
index 1e636e2074..f63c70a4c6 100644
--- a/tests/system-test/7-tmq/tmqCommon.py
+++ b/tests/system-test/7-tmq/tmqCommon.py
@@ -10,7 +10,7 @@
 ###################################################################
 
 # -*- coding: utf-8 -*-
-
+import math
 from asyncore import loop
 from collections import defaultdict
 import subprocess
@@ -467,18 +467,24 @@ class TMQCom:
         for i in range(0,skipRowsOfCons):
             consumeFile.readline()
 
-        lines = 0
         while True:
             dst = queryFile.readline()
             src = consumeFile.readline()
-            lines += 1
-            if dst:
-                if dst != src:
-                    tdLog.info("src row: %s"%src)
-                    tdLog.info("dst row: %s"%dst)
-                    tdLog.exit("consumerId %d consume rows[%d] is not match the rows by direct query"%(consumerId, lines))
-            else:
+            dstSplit = dst.split(',')
+            srcSplit = src.split(',')
+
+            if not dst or not src:
                 break
+            if len(dstSplit) != len(srcSplit):
+                tdLog.exit("consumerId %d consume rows len is not match the rows by direct query,len(dstSplit):%d != len(srcSplit):%d, dst:%s, src:%s"
+                           %(consumerId, len(dstSplit), len(srcSplit), dst, src))
+
+            for i in range(len(dstSplit)):
+                if srcSplit[i] != dstSplit[i]:
+                    srcFloat = float(srcSplit[i])
+                    dstFloat = float(dstSplit[i])
+                    if not math.isclose(srcFloat, dstFloat, abs_tol=1e-9):
+                        tdLog.exit("consumerId %d consume rows is not match the rows by direct query"%consumerId)
         return
 
     def getResultFileByTaosShell(self, consumerId, queryString):
diff --git a/tests/system-test/7-tmq/tmqConsumerGroup.py b/tests/system-test/7-tmq/tmqConsumerGroup.py
index b1aef9d762..d146dca449 100644
--- a/tests/system-test/7-tmq/tmqConsumerGroup.py
+++ b/tests/system-test/7-tmq/tmqConsumerGroup.py
@@ -21,34 +21,6 @@ class TDTestCase:
         tdSql.init(conn.cursor())
         #tdSql.init(conn.cursor(), logSql)  # output sql.txt file
 
-    def checkFileContent(self, consumerId, queryString):
-        buildPath = tdCom.getBuildPath()
-        cfgPath = tdCom.getClientCfgPath()
-        dstFile = '%s/../log/dstrows_%d.txt'%(cfgPath, consumerId)
-        cmdStr = '%s/build/bin/taos -c %s -s "%s >> %s"'%(buildPath, cfgPath, queryString, dstFile)
-        tdLog.info(cmdStr)
-        os.system(cmdStr)
-
-        consumeRowsFile = '%s/../log/consumerid_%d.txt'%(cfgPath, consumerId)
-        tdLog.info("rows file: %s, %s"%(consumeRowsFile, dstFile))
-
-        consumeFile = open(consumeRowsFile, mode='r')
-        queryFile = open(dstFile, mode='r')
-
-        # skip first line for it is schema
-        queryFile.readline()
-
-        while True:
-            dst = queryFile.readline()
-            src = consumeFile.readline()
-
-            if dst:
-                if dst != src:
-                    tdLog.exit("consumerId %d consume rows is not match the rows by direct query"%consumerId)
-            else:
-                break
-        return
-
     def tmqCase1(self):
         tdLog.printNoPrefix("======== test case 1: ")
         paraDict = {'dbName':     'db1',
diff --git a/tests/system-test/7-tmq/tmqUdf-multCtb-snapshot0.py b/tests/system-test/7-tmq/tmqUdf-multCtb-snapshot0.py
index a923232706..bee38ca8ee 100644
--- a/tests/system-test/7-tmq/tmqUdf-multCtb-snapshot0.py
+++ b/tests/system-test/7-tmq/tmqUdf-multCtb-snapshot0.py
@@ -60,34 +60,6 @@ class TDTestCase:
             tdLog.exit("create udf functions fail")
         return
 
-    def checkFileContent(self, consumerId, queryString):
-        buildPath = tdCom.getBuildPath()
-        cfgPath = tdCom.getClientCfgPath()
-        dstFile = '%s/../log/dstrows_%d.txt'%(cfgPath, consumerId)
-        cmdStr = '%s/build/bin/taos -c %s -s "%s >> %s"'%(buildPath, cfgPath, queryString, dstFile)
-        tdLog.info(cmdStr)
-        os.system(cmdStr)
-
-        consumeRowsFile = '%s/../log/consumerid_%d.txt'%(cfgPath, consumerId)
-        tdLog.info("rows file: %s, %s"%(consumeRowsFile, dstFile))
-
-        consumeFile = open(consumeRowsFile, mode='r')
-        queryFile = open(dstFile, mode='r')
-
-        # skip first line for it is schema
-        queryFile.readline()
-
-        while True:
-            dst = queryFile.readline()
-            src = consumeFile.readline()
-
-            if dst:
-                if dst != src:
-                    tdLog.exit("consumerId %d consume rows is not match the rows by direct query"%consumerId)
-            else:
-                break
-        return
-
     def prepareTestEnv(self):
         tdLog.printNoPrefix("======== prepare test env include database, stable, ctables, and insert data: ")
         paraDict = {'dbName':     'dbt',
@@ -201,7 +173,7 @@ class TDTestCase:
             tdLog.info("expect consume rows: %d, act consume rows: %d"%(expectRowsList[0], resultList[0]))
             tdLog.exit("0 tmq consume rows error!")
 
-        # self.checkFileContent(consumerId, queryString)
+        # tmqCom.checkFileContent(consumerId, queryString)
         # tdLog.printNoPrefix("consumerId %d check data ok!"%(consumerId))
 
         # reinit consume info, and start tmq_sim, then check consume result
@@ -228,7 +200,7 @@ class TDTestCase:
             tdLog.info("expect consume rows: %d, act consume rows: %d"%(expectRowsList[1], resultList[0]))
             tdLog.exit("1 tmq consume rows error!")
 
-        # self.checkFileContent(consumerId, queryString)
+        # tmqCom.checkFileContent(consumerId, queryString)
         # tdLog.printNoPrefix("consumerId %d check data ok!"%(consumerId))
 
         time.sleep(10)
@@ -312,7 +284,7 @@ class TDTestCase:
             tdLog.info("expect consume rows: %d, act consume rows: %d"%(expectRowsList[0], resultList[0]))
             tdLog.exit("2 tmq consume rows error!")
 
-        # self.checkFileContent(consumerId, queryString)
+        # tmqCom.checkFileContent(consumerId, queryString)
         # tdLog.printNoPrefix("consumerId %d check data ok!"%(consumerId))
 
         # reinit consume info, and start tmq_sim, then check consume result
@@ -339,7 +311,7 @@ class TDTestCase:
             tdLog.info("expect consume rows: %d, act consume rows: %d"%(expectRowsList[1], resultList[0]))
             tdLog.exit("3 tmq consume rows error!")
 
-        # self.checkFileContent(consumerId, queryString)
+        # tmqCom.checkFileContent(consumerId, queryString)
         # tdLog.printNoPrefix("consumerId %d check data ok!"%(consumerId))
 
         time.sleep(10)
diff --git a/tests/system-test/7-tmq/tmqUdf-multCtb-snapshot1.py b/tests/system-test/7-tmq/tmqUdf-multCtb-snapshot1.py
index bee174376d..d3b64d2b21 100644
--- a/tests/system-test/7-tmq/tmqUdf-multCtb-snapshot1.py
+++ b/tests/system-test/7-tmq/tmqUdf-multCtb-snapshot1.py
@@ -60,34 +60,6 @@ class TDTestCase:
             tdLog.exit("create udf functions fail")
         return
 
-    def checkFileContent(self, consumerId, queryString):
-        buildPath = tdCom.getBuildPath()
-        cfgPath = tdCom.getClientCfgPath()
-        dstFile = '%s/../log/dstrows_%d.txt'%(cfgPath, consumerId)
-        cmdStr = '%s/build/bin/taos -c %s -s "%s >> %s"'%(buildPath, cfgPath, queryString, dstFile)
-        tdLog.info(cmdStr)
-        os.system(cmdStr)
-
-        consumeRowsFile = '%s/../log/consumerid_%d.txt'%(cfgPath, consumerId)
-        tdLog.info("rows file: %s, %s"%(consumeRowsFile, dstFile))
-
-        consumeFile = open(consumeRowsFile, mode='r')
-        queryFile = open(dstFile, mode='r')
-
-        # skip first line for it is schema
-        queryFile.readline()
-
-        while True:
-            dst = queryFile.readline()
-            src = consumeFile.readline()
-
-            if dst:
-                if dst != src:
-                    tdLog.exit("consumerId %d consume rows is not match the rows by direct query"%consumerId)
-            else:
-                break
-        return
-
     def prepareTestEnv(self):
         tdLog.printNoPrefix("======== prepare test env include database, stable, ctables, and insert data: ")
         paraDict = {'dbName':     'dbt',
@@ -201,7 +173,7 @@ class TDTestCase:
             tdLog.info("expect consume rows: %d, act consume rows: %d"%(expectRowsList[0], resultList[0]))
             tdLog.exit("0 tmq consume rows error!")
 
-        # self.checkFileContent(consumerId, queryString)
+        # tmqCom.checkFileContent(consumerId, queryString)
         # tdLog.printNoPrefix("consumerId %d check data ok!"%(consumerId))
 
         # reinit consume info, and start tmq_sim, then check consume result
@@ -228,7 +200,7 @@ class TDTestCase:
             tdLog.info("expect consume rows: %d, act consume rows: %d"%(expectRowsList[1], resultList[0]))
             tdLog.exit("1 tmq consume rows error!")
 
-        # self.checkFileContent(consumerId, queryString)
+        # tmqCom.checkFileContent(consumerId, queryString)
         # tdLog.printNoPrefix("consumerId %d check data ok!"%(consumerId))
 
         time.sleep(10)
@@ -312,7 +284,7 @@ class TDTestCase:
             tdLog.info("expect consume rows: %d, act consume rows: %d"%(expectRowsList[0], resultList[0]))
             tdLog.exit("2 tmq consume rows error!")
 
-        # self.checkFileContent(consumerId, queryString)
+        # tmqCom.checkFileContent(consumerId, queryString)
         # tdLog.printNoPrefix("consumerId %d check data ok!"%(consumerId))
 
         # reinit consume info, and start tmq_sim, then check consume result
@@ -339,7 +311,7 @@ class TDTestCase:
             tdLog.info("expect consume rows: %d, act consume rows: %d"%(expectRowsList[1], resultList[0]))
             tdLog.exit("3 tmq consume rows error!")
 
-        # self.checkFileContent(consumerId, queryString)
+        # tmqCom.checkFileContent(consumerId, queryString)
         # tdLog.printNoPrefix("consumerId %d check data ok!"%(consumerId))
 
         time.sleep(10)
diff --git a/tests/system-test/7-tmq/tmqUdf.py b/tests/system-test/7-tmq/tmqUdf.py
index 5bb8e3034c..5da1625cb1 100644
--- a/tests/system-test/7-tmq/tmqUdf.py
+++ b/tests/system-test/7-tmq/tmqUdf.py
@@ -60,34 +60,6 @@ class TDTestCase:
             tdLog.exit("create udf functions fail")
         return
 
-    def checkFileContent(self, consumerId, queryString):
-        buildPath = tdCom.getBuildPath()
-        cfgPath = tdCom.getClientCfgPath()
-        dstFile = '%s/../log/dstrows_%d.txt'%(cfgPath, consumerId)
-        cmdStr = '%s/build/bin/taos -c %s -s "%s >> %s"'%(buildPath, cfgPath, queryString, dstFile)
-        tdLog.info(cmdStr)
-        os.system(cmdStr)
-
-        consumeRowsFile = '%s/../log/consumerid_%d.txt'%(cfgPath, consumerId)
-        tdLog.info("rows file: %s, %s"%(consumeRowsFile, dstFile))
-
-        consumeFile = open(consumeRowsFile, mode='r')
-        queryFile = open(dstFile, mode='r')
-
-        # skip first line for it is schema
-        queryFile.readline()
-
-        while True:
-            dst = queryFile.readline()
-            src = consumeFile.readline()
-
-            if dst:
-                if dst != src:
-                    tdLog.exit("consumerId %d consume rows is not match the rows by direct query"%consumerId)
-            else:
-                break
-        return
-
     def prepareTestEnv(self):
         tdLog.printNoPrefix("======== prepare test env include database, stable, ctables, and insert data: ")
         paraDict = {'dbName':     'dbt',
@@ -201,7 +173,7 @@ class TDTestCase:
             tdLog.info("expect consume rows: %d, act consume rows: %d"%(expectRowsList[0], resultList[0]))
             tdLog.exit("0 tmq consume rows error!")
 
-        self.checkFileContent(consumerId, queryString)
+        tmqCom.checkFileContent(consumerId, queryString)
         tdLog.printNoPrefix("consumerId %d check data ok!"%(consumerId))
 
 
@@ -229,7 +201,7 @@ class TDTestCase:
             tdLog.info("expect consume rows: %d, act consume rows: %d"%(expectRowsList[1], resultList[0]))
             tdLog.exit("1 tmq consume rows error!")
 
-        self.checkFileContent(consumerId, queryString)
+        tmqCom.checkFileContent(consumerId, queryString)
         tdLog.printNoPrefix("consumerId %d check data ok!"%(consumerId))
 
         time.sleep(10)
@@ -313,7 +285,7 @@ class TDTestCase:
             tdLog.info("expect consume rows: %d, act consume rows: %d"%(expectRowsList[0], resultList[0]))
             tdLog.exit("2 tmq consume rows error!")
 
-        self.checkFileContent(consumerId, queryString)
+        tmqCom.checkFileContent(consumerId, queryString)
         tdLog.printNoPrefix("consumerId %d check data ok!"%(consumerId))
 
         # reinit consume info, and start tmq_sim, then check consume result
@@ -340,7 +312,7 @@ class TDTestCase:
             tdLog.info("expect consume rows: %d, act consume rows: %d"%(expectRowsList[1], resultList[0]))
             tdLog.exit("3 tmq consume rows error!")
 
-        self.checkFileContent(consumerId, queryString)
+        tmqCom.checkFileContent(consumerId, queryString)
         tdLog.printNoPrefix("consumerId %d check data ok!"%(consumerId))
 
         time.sleep(10)
diff --git a/tests/system-test/99-TDcase/TD-16821.py b/tests/system-test/99-TDcase/TD-16821.py
index 78ac172f30..2e23002059 100644
--- a/tests/system-test/99-TDcase/TD-16821.py
+++ b/tests/system-test/99-TDcase/TD-16821.py
@@ -21,34 +21,6 @@ class TDTestCase:
         tdSql.init(conn.cursor())
         #tdSql.init(conn.cursor(), logSql)  # output sql.txt file
 
-    def checkFileContent(self, consumerId, queryString):
-        buildPath = tdCom.getBuildPath()
-        cfgPath = tdCom.getClientCfgPath()
-        dstFile = '%s/../log/dstrows_%d.txt'%(cfgPath, consumerId)
-        cmdStr = '%s/build/bin/taos -c %s -s "%s >> %s"'%(buildPath, cfgPath, queryString, dstFile)
-        tdLog.info(cmdStr)
-        os.system(cmdStr)
-
-        consumeRowsFile = '%s/../log/consumerid_%d.txt'%(cfgPath, consumerId)
-        tdLog.info("rows file: %s, %s"%(consumeRowsFile, dstFile))
-
-        consumeFile = open(consumeRowsFile, mode='r')
-        queryFile = open(dstFile, mode='r')
-
-        # skip first line for it is schema
-        queryFile.readline()
-
-        while True:
-            dst = queryFile.readline()
-            src = consumeFile.readline()
-
-            if dst:
-                if dst != src:
-                    tdLog.exit("consumerId %d consume rows is not match the rows by direct query"%consumerId)
-            else:
-                break
-        return
-
     def tmqCase1(self):
         tdLog.printNoPrefix("======== test case 1: ")
         paraDict = {'dbName':     'db1',
@@ -114,7 +86,7 @@ class TDTestCase:
             tdLog.info("expect consume rows: %d, act consume rows: %d"%(expectRowsList[0], resultList[0]))
             tdLog.exit("0 tmq consume rows error!")
 
-        self.checkFileContent(consumerId, queryString)
+        tmqCom.checkFileContent(consumerId, queryString)
 
         # reinit consume info, and start tmq_sim, then check consume result
         tmqCom.initConsumerTable()
@@ -140,7 +112,7 @@ class TDTestCase:
             tdLog.info("expect consume rows: %d, act consume rows: %d"%(expectRowsList[1], resultList[0]))
             tdLog.exit("1 tmq consume rows error!")
 
-        self.checkFileContent(consumerId, queryString)
+        tmqCom.checkFileContent(consumerId, queryString)
 
         # reinit consume info, and start tmq_sim, then check consume result
         tmqCom.initConsumerTable()
@@ -166,7 +138,7 @@ class TDTestCase:
         #     tdLog.info("expect consume rows: %d, act consume rows: %d"%(expectRowsList[2], resultList[0]))
         #     tdLog.exit("2 tmq consume rows error!")
 
-        # self.checkFileContent(consumerId, queryString)
+        # tmqCom.checkFileContent(consumerId, queryString)
 
         time.sleep(10)
         for i in range(len(topicNameList)):
diff --git a/tools/shell/src/shellEngine.c b/tools/shell/src/shellEngine.c
index eb14b22dfe..503bcbf5d4 100644
--- a/tools/shell/src/shellEngine.c
+++ b/tools/shell/src/shellEngine.c
@@ -317,7 +317,6 @@ void shellDumpFieldToFile(TdFilePtr pFile, const char *val, TAOS_FIELD *field, i
   quotationStr[0] = '\"';
   quotationStr[1] = 0;
 
-  int  n;
   char buf[TSDB_MAX_BYTES_PER_ROW];
   switch (field->type) {
     case TSDB_DATA_TYPE_BOOL:
@@ -348,15 +347,11 @@ void shellDumpFieldToFile(TdFilePtr pFile, const char *val, TAOS_FIELD *field, i
       taosFprintfFile(pFile, "%" PRIu64, *((uint64_t *)val));
       break;
     case TSDB_DATA_TYPE_FLOAT:
-      taosFprintfFile(pFile, "%.5f", GET_FLOAT_VAL(val));
+      taosFprintfFile(pFile, "%e", GET_FLOAT_VAL(val));
       break;
     case TSDB_DATA_TYPE_DOUBLE:
-      n = snprintf(buf, TSDB_MAX_BYTES_PER_ROW, "%*.9f", length, GET_DOUBLE_VAL(val));
-      if (n > TMAX(25, length)) {
-        taosFprintfFile(pFile, "%*.15e", length, GET_DOUBLE_VAL(val));
-      } else {
-        taosFprintfFile(pFile, "%s", buf);
-      }
+      snprintf(buf, TSDB_MAX_BYTES_PER_ROW, "%*.15e", 23, GET_DOUBLE_VAL(val));
+      taosFprintfFile(pFile, "%s", buf);
       break;
     case TSDB_DATA_TYPE_BINARY:
     case TSDB_DATA_TYPE_NCHAR:
@@ -512,7 +507,6 @@ void shellPrintField(const char *val, TAOS_FIELD *field, int32_t width, int32_t
     return;
   }
 
-  int  n;
   char buf[TSDB_MAX_BYTES_PER_ROW];
   switch (field->type) {
     case TSDB_DATA_TYPE_BOOL:
@@ -543,15 +537,11 @@ void shellPrintField(const char *val, TAOS_FIELD *field, int32_t width, int32_t
       printf("%*" PRIu64, width, *((uint64_t *)val));
       break;
     case TSDB_DATA_TYPE_FLOAT:
-      printf("%*ef", width, GET_FLOAT_VAL(val));
+      printf("%*e", width, GET_FLOAT_VAL(val));
       break;
     case TSDB_DATA_TYPE_DOUBLE:
-      n = snprintf(buf, TSDB_MAX_BYTES_PER_ROW, "%*.9f", width, GET_DOUBLE_VAL(val));
-      if (n > TMAX(25, width)) {
-        printf("%*.15e", width, GET_DOUBLE_VAL(val));
-      } else {
-        printf("%s", buf);
-      }
+      snprintf(buf, TSDB_MAX_BYTES_PER_ROW, "%.9e", GET_DOUBLE_VAL(val));
+      printf("%*s", width, buf);
       break;
     case TSDB_DATA_TYPE_BINARY:
     case TSDB_DATA_TYPE_NCHAR: