diff --git a/include/common/tmsg.h b/include/common/tmsg.h
index 8069bb797e..790c8ecd60 100644
--- a/include/common/tmsg.h
+++ b/include/common/tmsg.h
@@ -1482,15 +1482,14 @@ typedef struct SVCreateStbReq {
   const char* name;
   tb_uid_t    suid;
   int8_t      rollup;
-  int32_t     ttl;
   int16_t     nCols;
+  int16_t     sver;
   SSchema*    pSchema;
   int16_t     nTags;
   SSchema*    pSchemaTg;
   SRSmaParam  pRSmaParam;
 } SVCreateStbReq;
 
-int tEnSizeSVCreateStbReq(const SVCreateStbReq *pReq, int32_t *size);
 int tEncodeSVCreateStbReq(SCoder* pCoder, const SVCreateStbReq* pReq);
 int tDecodeSVCreateStbReq(SCoder* pCoder, SVCreateStbReq* pReq);
 
diff --git a/include/util/tencode.h b/include/util/tencode.h
index ff80805101..49fb59eb1a 100644
--- a/include/util/tencode.h
+++ b/include/util/tencode.h
@@ -91,6 +91,20 @@ typedef struct {
     ptr;                                                                    \
   })
 
+#define tEncodeSize(E, S, SIZE)                                \
+  ({                                                           \
+    SCoder coder = {0};                                        \
+    int    ret = 0;                                            \
+    tCoderInit(&coder, TD_LITTLE_ENDIAN, NULL, 0, TD_ENCODER); \
+    if ((E)(&coder, S) == 0) {                                 \
+      SIZE = coder.pos;                                        \
+    } else {                                                   \
+      ret = -1;                                                \
+    }                                                          \
+    tCoderClear(&coder);                                       \
+    ret;                                                       \
+  })
+
 void tCoderInit(SCoder* pCoder, td_endian_t endian, uint8_t* data, int32_t size, td_coder_t type);
 void tCoderClear(SCoder* pCoder);
 
diff --git a/source/common/src/tmsg.c b/source/common/src/tmsg.c
index 91c5a6ee13..8cbba98251 100644
--- a/source/common/src/tmsg.c
+++ b/source/common/src/tmsg.c
@@ -3691,30 +3691,14 @@ void tFreeSCMCreateStreamReq(SCMCreateStreamReq *pReq) {
   taosMemoryFreeClear(pReq->ast);
 }
 
-int tEnSizeSVCreateStbReq(const SVCreateStbReq *pReq, int32_t *size) {
-  SCoder coder = {0};
-
-  tCoderInit(&coder, TD_LITTLE_ENDIAN, NULL, 0, TD_ENCODER);
-
-  if (tEncodeSVCreateStbReq(&coder, pReq) < 0) {
-    tCoderClear(&coder);
-    return -1;
-  }
-
-  *size = coder.pos;
-
-  tCoderClear(&coder);
-  return 0;
-}
-
 int tEncodeSVCreateStbReq(SCoder *pCoder, const SVCreateStbReq *pReq) {
   if (tStartEncode(pCoder) < 0) return -1;
 
   if (tEncodeCStr(pCoder, pReq->name) < 0) return -1;
   if (tEncodeI64(pCoder, pReq->suid) < 0) return -1;
   if (tEncodeI8(pCoder, pReq->rollup) < 0) return -1;
-  if (tEncodeI32(pCoder, pReq->ttl) < 0) return -1;
   if (tEncodeI16v(pCoder, pReq->nCols) < 0) return -1;
+  if (tEncodeI16v(pCoder, pReq->sver) < 0) return -1;
   for (int iCol = 0; iCol < pReq->nCols; iCol++) {
     if (tEncodeSSchema(pCoder, pReq->pSchema + iCol) < 0) return -1;
   }
@@ -3736,9 +3720,9 @@ int tDecodeSVCreateStbReq(SCoder *pCoder, SVCreateStbReq *pReq) {
   if (tDecodeCStr(pCoder, &pReq->name) < 0) return -1;
   if (tDecodeI64(pCoder, &pReq->suid) < 0) return -1;
   if (tDecodeI8(pCoder, &pReq->rollup) < 0) return -1;
-  if (tDecodeI32(pCoder, &pReq->ttl) < 0) return -1;
 
   if (tDecodeI16v(pCoder, &pReq->nCols) < 0) return -1;
+  if (tDecodeI16v(pCoder, &pReq->sver) < 0) return -1;
   pReq->pSchema = (SSchema *)TCODER_MALLOC(pCoder, sizeof(SSchema) * pReq->nCols);
   if (pReq->pSchema == NULL) return -1;
   for (int iCol = 0; iCol < pReq->nCols; iCol++) {
diff --git a/source/dnode/mnode/impl/src/mndStb.c b/source/dnode/mnode/impl/src/mndStb.c
index ca9187807b..315e7518c0 100644
--- a/source/dnode/mnode/impl/src/mndStb.c
+++ b/source/dnode/mnode/impl/src/mndStb.c
@@ -406,8 +406,8 @@ static void *mndBuildVCreateStbReq(SMnode *pMnode, SVgObj *pVgroup, SStbObj *pSt
   req.name = (char *)tNameGetTableName(&name);
   req.suid = pStb->uid;
   req.rollup = pStb->aggregationMethod > -1 ? 1 : 0;
-  req.ttl = 0;
   req.nCols = pStb->numOfColumns;
+  req.sver = 0;  // TODO
   req.pSchema = pStb->pColumns;
   req.nTags = pStb->numOfTags;
   req.pSchemaTg = pStb->pTags;
@@ -432,7 +432,7 @@ static void *mndBuildVCreateStbReq(SMnode *pMnode, SVgObj *pVgroup, SStbObj *pSt
   }
 
   // get length
-  if (tEnSizeSVCreateStbReq(&req, &contLen) < 0) {
+  if (tEncodeSize(tEncodeSVCreateStbReq, &req, contLen) < 0) {
     taosMemoryFree(req.pRSmaParam.pFuncIds);
     return NULL;
   }
diff --git a/source/dnode/vnode/CMakeLists.txt b/source/dnode/vnode/CMakeLists.txt
index 5516797d99..1d565df56a 100644
--- a/source/dnode/vnode/CMakeLists.txt
+++ b/source/dnode/vnode/CMakeLists.txt
@@ -23,6 +23,7 @@ target_sources(
     "src/meta/metaTDBImpl.c"
     "src/meta/metaQuery.c"
     "src/meta/metaCommit.c"
+    "src/meta/metaEntry.c"
 
     # tsdb
     "src/tsdb/tsdbTDBImpl.c"
diff --git a/source/dnode/vnode/src/inc/meta.h b/source/dnode/vnode/src/inc/meta.h
index 749dcb22b4..93cb6f62cf 100644
--- a/source/dnode/vnode/src/inc/meta.h
+++ b/source/dnode/vnode/src/inc/meta.h
@@ -39,6 +39,12 @@ typedef struct SMSmaCursor SMSmaCursor;
 int metaOpen(SVnode* pVnode, SMeta** ppMeta);
 int metaClose(SMeta* pMeta);
 
+// metaEntry ==================
+typedef struct SMetaEntry SMetaEntry;
+
+int metaEncodeEntry(SCoder* pCoder, const SMetaEntry* pME);
+int metaDecodeEntry(SCoder* pCoder, SMetaEntry* pME);
+
 // metaIdx ==================
 int  metaOpenIdx(SMeta* pMeta);
 void metaCloseIdx(SMeta* pMeta);
@@ -117,6 +123,34 @@ SMCtbCursor*    metaOpenCtbCursor(SMeta* pMeta, tb_uid_t uid);
 void            metaCloseCtbCurosr(SMCtbCursor* pCtbCur);
 tb_uid_t        metaCtbCursorNext(SMCtbCursor* pCtbCur);
 
+struct SMetaEntry {
+  int8_t      type;
+  tb_uid_t    uid;
+  const char* name;
+  union {
+    struct {
+      int16_t  nCols;
+      int16_t  sver;
+      SSchema* pSchema;
+      int16_t  nTags;
+      SSchema* pSchemaTg;
+    } stbEntry;
+    struct {
+      int64_t  ctime;
+      int32_t  ttlDays;
+      tb_uid_t suid;
+      SKVRow   pTags;
+    } ctbEntry;
+    struct {
+      int64_t  ctime;
+      int32_t  ttlDays;
+      int16_t  nCols;
+      int16_t  sver;
+      SSchema* pSchema;
+    } ntbEntry;
+  };
+};
+
 #ifndef META_REFACT
 // SMetaDB
 int  metaOpenDB(SMeta* pMeta);
diff --git a/source/dnode/vnode/src/inc/vnodeInt.h b/source/dnode/vnode/src/inc/vnodeInt.h
index 50e51b84c1..8bc4e868e1 100644
--- a/source/dnode/vnode/src/inc/vnodeInt.h
+++ b/source/dnode/vnode/src/inc/vnodeInt.h
@@ -26,6 +26,7 @@
 #include "tcompression.h"
 #include "tdatablock.h"
 #include "tdbInt.h"
+#include "tencode.h"
 #include "tfs.h"
 #include "tglobal.h"
 #include "tjson.h"
diff --git a/source/dnode/vnode/src/meta/metaEntry.c b/source/dnode/vnode/src/meta/metaEntry.c
new file mode 100644
index 0000000000..e85c562c27
--- /dev/null
+++ b/source/dnode/vnode/src/meta/metaEntry.c
@@ -0,0 +1,109 @@
+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "vnodeInt.h"
+
+int metaEncodeEntry(SCoder *pCoder, const SMetaEntry *pME) {
+  if (tStartEncode(pCoder) < 0) return -1;
+
+  if (tEncodeI8(pCoder, pME->type) < 0) return -1;
+  if (tEncodeI64(pCoder, pME->uid) < 0) return -1;
+  if (tEncodeCStr(pCoder, pME->name) < 0) return -1;
+
+  if (pME->type == TSDB_SUPER_TABLE) {
+    if (tEncodeI16v(pCoder, pME->stbEntry.nCols) < 0) return -1;
+    if (tEncodeI16v(pCoder, pME->stbEntry.sver) < 0) return -1;
+    for (int iCol = 0; iCol < pME->stbEntry.nCols; iCol++) {
+      if (tEncodeSSchema(pCoder, pME->stbEntry.pSchema + iCol) < 0) return -1;
+    }
+
+    if (tEncodeI16v(pCoder, pME->stbEntry.nTags) < 0) return -1;
+    for (int iTag = 0; iTag < pME->stbEntry.nTags; iTag++) {
+      if (tEncodeSSchema(pCoder, pME->stbEntry.pSchemaTg + iTag) < 0) return -1;
+    }
+  } else if (pME->type == TSDB_CHILD_TABLE) {
+    if (tEncodeI64(pCoder, pME->ctbEntry.ctime) < 0) return -1;
+    if (tEncodeI32(pCoder, pME->ctbEntry.ttlDays) < 0) return -1;
+    if (tEncodeI64(pCoder, pME->ctbEntry.suid) < 0) return -1;
+    if (tEncodeBinary(pCoder, pME->ctbEntry.pTags, kvRowLen(pME->ctbEntry.pTags)) < 0) return -1;
+  } else if (pME->type == TSDB_NORMAL_TABLE) {
+    if (tEncodeI64(pCoder, pME->ntbEntry.ctime) < 0) return -1;
+    if (tEncodeI32(pCoder, pME->ntbEntry.ttlDays) < 0) return -1;
+    if (tEncodeI16v(pCoder, pME->ntbEntry.nCols) < 0) return -1;
+    if (tEncodeI16v(pCoder, pME->ntbEntry.sver) < 0) return -1;
+    for (int iCol = 0; iCol < pME->ntbEntry.nCols; iCol++) {
+      if (tEncodeSSchema(pCoder, pME->ntbEntry.pSchema + iCol) < 0) return -1;
+    }
+  } else {
+    ASSERT(0);
+  }
+
+  tEndEncode(pCoder);
+  return 0;
+}
+
+int metaDecodeEntry(SCoder *pCoder, SMetaEntry *pME) {
+  if (tStartDecode(pCoder) < 0) return -1;
+
+  if (tDecodeI8(pCoder, &pME->type) < 0) return -1;
+  if (tDecodeI64(pCoder, &pME->uid) < 0) return -1;
+  if (tDecodeCStr(pCoder, &pME->name) < 0) return -1;
+
+  if (pME->type == TSDB_SUPER_TABLE) {
+    if (tDecodeI16v(pCoder, &pME->stbEntry.nCols) < 0) return -1;
+    if (tDecodeI16v(pCoder, &pME->stbEntry.sver) < 0) return -1;
+    pME->stbEntry.pSchema = (SSchema *)TCODER_MALLOC(pCoder, sizeof(SSchema) * pME->stbEntry.nCols);
+    if (pME->stbEntry.pSchema == NULL) {
+      terrno = TSDB_CODE_OUT_OF_MEMORY;
+      return -1;
+    }
+    for (int iCol = 0; iCol < pME->stbEntry.nCols; iCol++) {
+      if (tDecodeSSchema(pCoder, pME->stbEntry.pSchema + iCol) < 0) return -1;
+    }
+
+    if (tDecodeI16v(pCoder, &pME->stbEntry.nTags) < 0) return -1;
+    pME->stbEntry.pSchemaTg = (SSchema *)TCODER_MALLOC(pCoder, sizeof(SSchema) * pME->stbEntry.nTags);
+    if (pME->stbEntry.pSchemaTg == NULL) {
+      terrno = TSDB_CODE_OUT_OF_MEMORY;
+      return -1;
+    }
+    for (int iTag = 0; iTag < pME->stbEntry.nTags; iTag++) {
+      if (tDecodeSSchema(pCoder, pME->stbEntry.pSchemaTg + iTag) < 0) return -1;
+    }
+  } else if (pME->type == TSDB_CHILD_TABLE) {
+    if (tDecodeI64(pCoder, &pME->ctbEntry.ctime) < 0) return -1;
+    if (tDecodeI32(pCoder, &pME->ctbEntry.ttlDays) < 0) return -1;
+    if (tDecodeI64(pCoder, &pME->ctbEntry.suid) < 0) return -1;
+    if (tDecodeBinary(pCoder, pME->ctbEntry.pTags, NULL) < 0) return -1;  // (TODO)
+  } else if (pME->type == TSDB_NORMAL_TABLE) {
+    if (tDecodeI64(pCoder, &pME->ntbEntry.ctime) < 0) return -1;
+    if (tDecodeI32(pCoder, &pME->ntbEntry.ttlDays) < 0) return -1;
+    if (tDecodeI16v(pCoder, &pME->ntbEntry.nCols) < 0) return -1;
+    if (tDecodeI16v(pCoder, &pME->ntbEntry.sver) < 0) return -1;
+    pME->ntbEntry.pSchema = (SSchema *)TCODER_MALLOC(pCoder, sizeof(SSchema) * pME->ntbEntry.nCols);
+    if (pME->ntbEntry.pSchema == NULL) {
+      terrno = TSDB_CODE_OUT_OF_MEMORY;
+      return -1;
+    }
+    for (int iCol = 0; iCol < pME->ntbEntry.nCols; iCol++) {
+      if (tEncodeSSchema(pCoder, pME->ntbEntry.pSchema + iCol) < 0) return -1;
+    }
+  } else {
+    ASSERT(0);
+  }
+
+  tEndDecode(pCoder);
+  return 0;
+}
diff --git a/source/dnode/vnode/src/meta/metaTable.c b/source/dnode/vnode/src/meta/metaTable.c
index 07a4f36496..e95cb53c73 100644
--- a/source/dnode/vnode/src/meta/metaTable.c
+++ b/source/dnode/vnode/src/meta/metaTable.c
@@ -16,28 +16,80 @@
 #include "vnodeInt.h"
 
 int metaCreateSTable(SMeta *pMeta, SVCreateStbReq *pReq, SVCreateStbRsp *pRsp) {
-  // TODO
+  STbDbKey    tbDbKey = {0};
+  SSkmDbKey   skmDbKey = {0};
+  SMetaEntry  me = {0};
+  int         kLen;
+  int         vLen;
+  const void *pKey;
+  const void *pVal;
+
+  // check name and uid unique
+
+  // set structs
+  me.type = TSDB_SUPER_TABLE;
+  me.uid = pReq->suid;
+  me.name = pReq->name;
+  me.stbEntry.nCols = pReq->nCols;
+  me.stbEntry.sver = pReq->sver;
+  me.stbEntry.pSchema = pReq->pSchema;
+  me.stbEntry.nTags = pReq->nTags;
+  me.stbEntry.pSchemaTg = pReq->pSchemaTg;
+
+  tbDbKey.uid = pReq->suid;
+  tbDbKey.ver = 0;  // (TODO)
+
+  skmDbKey.uid = pReq->suid;
+  skmDbKey.sver = 0;  // (TODO)
+
+  // save to table.db (TODO)
+  pKey = &tbDbKey;
+  kLen = sizeof(tbDbKey);
+  pVal = NULL;
+  vLen = 0;
+  if (tdbDbInsert(pMeta->pTbDb, pKey, kLen, pVal, vLen, NULL) < 0) {
+    return -1;
+  }
+
+  // save to schema.db
+  pKey = &skmDbKey;
+  kLen = sizeof(skmDbKey);
+  pVal = NULL;
+  vLen = 0;
+  if (tdbDbInsert(pMeta->pSkmDb, pKey, kLen, pVal, vLen, NULL) < 0) {
+    return -1;
+  }
+
+  // update name.idx
+  pKey = pReq->name;
+  kLen = strlen(pReq->name) + 1;
+  pVal = &pReq->suid;
+  vLen = sizeof(tb_uid_t);
+  if (tdbDbInsert(pMeta->pNameIdx, pKey, kLen, pVal, vLen, NULL) < 0) {
+    return -1;
+  }
+
   return 0;
 }
 
 int metaCreateTable(SMeta *pMeta, STbCfg *pTbCfg) {
-#ifdef META_REFACT
-#else
+#if 0
   if (metaSaveTableToDB(pMeta, pTbCfg) < 0) {
     // TODO: handle error
     return -1;
   }
-#endif
 
   if (metaSaveTableToIdx(pMeta, pTbCfg) < 0) {
     // TODO: handle error
     return -1;
   }
+#endif
 
   return 0;
 }
 
 int metaDropTable(SMeta *pMeta, tb_uid_t uid) {
+#if 0
   if (metaRemoveTableFromIdx(pMeta, uid) < 0) {
     // TODO: handle error
     return -1;
@@ -47,6 +99,7 @@ int metaDropTable(SMeta *pMeta, tb_uid_t uid) {
     // TODO
     return -1;
   }
+#endif
 
   return 0;
 }
diff --git a/source/dnode/vnode/src/vnd/vnodeSvr.c b/source/dnode/vnode/src/vnd/vnodeSvr.c
index fd4e930e5a..46a3018308 100644
--- a/source/dnode/vnode/src/vnd/vnodeSvr.c
+++ b/source/dnode/vnode/src/vnd/vnodeSvr.c
@@ -15,9 +15,12 @@
 
 #include "vnodeInt.h"
 
-static int vnodeProcessCreateStbReq(SVnode *pVnode, void *pReq, int len);
+static int vnodeProcessCreateStbReq(SVnode *pVnode, void *pReq, int len, SRpcMsg *pRsp);
+static int vnodeProcessAlterStbReq(SVnode *pVnode, void *pReq, int32_t len, SRpcMsg *pRsp);
+static int vnodeProcessDropStbReq(SVnode *pVnode, void *pReq, int32_t len, SRpcMsg *pRsp);
 static int vnodeProcessCreateTbReq(SVnode *pVnode, SRpcMsg *pMsg, void *pReq, SRpcMsg *pRsp);
-static int vnodeProcessAlterStbReq(SVnode *pVnode, void *pReq);
+static int vnodeProcessAlterTbReq(SVnode *pVnode, void *pReq, int32_t len, SRpcMsg *pRsp);
+static int vnodeProcessDropTbReq(SVnode *pVnode, void *pReq, int32_t len, SRpcMsg *pRsp);
 static int vnodeProcessSubmitReq(SVnode *pVnode, SSubmitReq *pSubmitReq, SRpcMsg *pRsp);
 
 int vnodePreprocessWriteReqs(SVnode *pVnode, SArray *pMsgs, int64_t *version) {
@@ -50,6 +53,8 @@ int vnodeProcessWriteReq(SVnode *pVnode, SRpcMsg *pMsg, int64_t version, SRpcMsg
   vTrace("vgId: %d start to process write request %s, version %" PRId64, TD_VID(pVnode), TMSG_INFO(pMsg->msgType),
          version);
 
+  pVnode->state.applied = version;
+
   // skip header
   pReq = POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead));
   len = pMsg->contLen - sizeof(SMsgHead);
@@ -63,21 +68,22 @@ int vnodeProcessWriteReq(SVnode *pVnode, SRpcMsg *pMsg, int64_t version, SRpcMsg
   switch (pMsg->msgType) {
     /* META */
     case TDMT_VND_CREATE_STB:
-      ret = vnodeProcessCreateStbReq(pVnode, pReq, len);
+      if (vnodeProcessCreateStbReq(pVnode, pReq, len, pRsp) < 0) goto _err;
       break;
     case TDMT_VND_ALTER_STB:
-      vnodeProcessAlterStbReq(pVnode, pReq);
+      if (vnodeProcessAlterStbReq(pVnode, pReq, len, pRsp) < 0) goto _err;
       break;
     case TDMT_VND_DROP_STB:
-      vTrace("vgId:%d, process drop stb req", TD_VID(pVnode));
+      if (vnodeProcessDropStbReq(pVnode, pReq, len, pRsp) < 0) goto _err;
       break;
     case TDMT_VND_CREATE_TABLE:
-      pRsp->msgType = TDMT_VND_CREATE_TABLE_RSP;
-      vnodeProcessCreateTbReq(pVnode, pMsg, pReq, pRsp);
+      if (vnodeProcessCreateTbReq(pVnode, pMsg, pReq, pRsp) < 0) goto _err;
       break;
     case TDMT_VND_ALTER_TABLE:
+      if (vnodeProcessAlterTbReq(pVnode, pReq, len, pRsp) < 0) goto _err;
       break;
     case TDMT_VND_DROP_TABLE:
+      if (vnodeProcessDropTbReq(pVnode, pReq, len, pRsp) < 0) goto _err;
       break;
     case TDMT_VND_CREATE_SMA: {  // timeRangeSMA
       if (tsdbCreateTSma(pVnode->pTsdb, POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead))) < 0) {
@@ -128,7 +134,7 @@ int vnodeProcessWriteReq(SVnode *pVnode, SRpcMsg *pMsg, int64_t version, SRpcMsg
       break;
   }
 
-  pVnode->state.applied = version;
+  vDebug("vgId: %d process %s request success, version: %" PRId64, TD_VID(pVnode), TMSG_INFO(pMsg->msgType), version);
 
   // Check if it needs to commit
   if (vnodeShouldCommit(pVnode)) {
@@ -139,6 +145,11 @@ int vnodeProcessWriteReq(SVnode *pVnode, SRpcMsg *pMsg, int64_t version, SRpcMsg
   }
 
   return 0;
+
+_err:
+  vDebug("vgId: %d process %s request failed since %s, version: %" PRId64, TD_VID(pVnode), TMSG_INFO(pMsg->msgType),
+         tstrerror(terrno), version);
+  return -1;
 }
 
 int vnodeProcessQueryMsg(SVnode *pVnode, SRpcMsg *pMsg) {
@@ -203,30 +214,45 @@ int vnodeProcessSyncReq(SVnode *pVnode, SRpcMsg *pMsg, SRpcMsg **pRsp) {
   return 0;
 }
 
-static int vnodeProcessCreateStbReq(SVnode *pVnode, void *pReq, int len) {
+static int vnodeProcessCreateStbReq(SVnode *pVnode, void *pReq, int len, SRpcMsg *pRsp) {
   SVCreateStbReq req = {0};
   SCoder         coder;
 
+  pRsp->msgType = TDMT_VND_CREATE_STB_RSP;
+  pRsp->code = TSDB_CODE_SUCCESS;
+  pRsp->pCont = NULL;
+  pRsp->contLen = 0;
+
+  // decode and process req
   tCoderInit(&coder, TD_LITTLE_ENDIAN, pReq, len, TD_DECODER);
 
   if (tDecodeSVCreateStbReq(&coder, &req) < 0) {
-    tCoderClear(&coder);
-    return -1;
+    pRsp->code = terrno;
+    goto _err;
   }
 
   if (metaCreateSTable(pVnode->pMeta, pReq, NULL) < 0) {
-    tCoderClear(&coder);
-    return -1;
+    pRsp->code = terrno;
+    goto _err;
   }
 
   tCoderClear(&coder);
-
   return 0;
+
+_err:
+  tCoderClear(&coder);
+  return -1;
 }
 
 static int vnodeProcessCreateTbReq(SVnode *pVnode, SRpcMsg *pMsg, void *pReq, SRpcMsg *pRsp) {
   SVCreateTbBatchReq vCreateTbBatchReq = {0};
   SVCreateTbBatchRsp vCreateTbBatchRsp = {0};
+
+  pRsp->msgType = TDMT_VND_CREATE_TABLE_RSP;
+  pRsp->code = TSDB_CODE_SUCCESS;
+  pRsp->pCont = NULL;
+  pRsp->contLen = 0;
+
   tDeserializeSVCreateTbBatchReq(pReq, &vCreateTbBatchReq);
   int reqNum = taosArrayGetSize(vCreateTbBatchReq.pArray);
   for (int i = 0; i < reqNum; i++) {
@@ -279,7 +305,9 @@ static int vnodeProcessCreateTbReq(SVnode *pVnode, SRpcMsg *pMsg, void *pReq, SR
   return 0;
 }
 
-static int vnodeProcessAlterStbReq(SVnode *pVnode, void *pReq) {
+static int vnodeProcessAlterStbReq(SVnode *pVnode, void *pReq, int32_t len, SRpcMsg *pRsp) {
+  ASSERT(0);
+#if 0
   SVCreateTbReq vAlterTbReq = {0};
   vTrace("vgId:%d, process alter stb req", TD_VID(pVnode));
   tDeserializeSVCreateTbReq(pReq, &vAlterTbReq);
@@ -291,6 +319,25 @@ static int vnodeProcessAlterStbReq(SVnode *pVnode, void *pReq) {
   //   taosMemoryFree(vAlterTbReq.stbCfg.pRSmaParam);
   // }
   taosMemoryFree(vAlterTbReq.name);
+#endif
+  return 0;
+}
+
+static int vnodeProcessDropStbReq(SVnode *pVnode, void *pReq, int32_t len, SRpcMsg *pRsp) {
+  // TODO
+  ASSERT(0);
+  return 0;
+}
+
+static int vnodeProcessAlterTbReq(SVnode *pVnode, void *pReq, int32_t len, SRpcMsg *pRsp) {
+  // TODO
+  ASSERT(0);
+  return 0;
+}
+
+static int vnodeProcessDropTbReq(SVnode *pVnode, void *pReq, int32_t len, SRpcMsg *pRsp) {
+  // TODO
+  ASSERT(0);
   return 0;
 }