diff --git a/include/util/tencode.h b/include/util/tencode.h
index e318d4f2400065c3a8926c06f36c7d077fb5b45a..ad642cd612db4d1bb31f57b7a49d977e90978ee5 100644
--- a/include/util/tencode.h
+++ b/include/util/tencode.h
@@ -440,7 +440,7 @@ static FORCE_INLINE bool tDecodeIsEnd(SDecoder* pCoder) { return (pCoder->size =
 
 static FORCE_INLINE void* tEncoderMalloc(SEncoder* pCoder, int32_t size) {
   void*      p = NULL;
-  SCoderMem* pMem = (SCoderMem*)taosMemoryMalloc(sizeof(*pMem) + size);
+  SCoderMem* pMem = (SCoderMem*)taosMemoryCalloc(1, sizeof(*pMem) + size);
   if (pMem) {
     pMem->next = pCoder->mList;
     pCoder->mList = pMem;
@@ -451,7 +451,7 @@ static FORCE_INLINE void* tEncoderMalloc(SEncoder* pCoder, int32_t size) {
 
 static FORCE_INLINE void* tDecoderMalloc(SDecoder* pCoder, int32_t size) {
   void*      p = NULL;
-  SCoderMem* pMem = (SCoderMem*)taosMemoryMalloc(sizeof(*pMem) + size);
+  SCoderMem* pMem = (SCoderMem*)taosMemoryCalloc(1, sizeof(*pMem) + size);
   if (pMem) {
     pMem->next = pCoder->mList;
     pCoder->mList = pMem;
diff --git a/source/common/src/tmsg.c b/source/common/src/tmsg.c
index 714a17df0d94342440f9698cf4b32dcc87ad7982..9ebfa78b80d3e986c3b79a84f15e4b81032a465e 100644
--- a/source/common/src/tmsg.c
+++ b/source/common/src/tmsg.c
@@ -4984,8 +4984,10 @@ int tDecodeSVCreateTbReq(SDecoder *pCoder, SVCreateTbReq *pReq) {
     pReq->ctb.tagName = taosArrayInit(len, TSDB_COL_NAME_LEN);
     if(pReq->ctb.tagName == NULL) return -1;
     for (int32_t i = 0; i < len; i++){
-      char *name = NULL;
-      if (tDecodeCStr(pCoder, &name) < 0) return -1;
+      char name[TSDB_COL_NAME_LEN] = {0};
+      char *tmp = NULL;
+      if (tDecodeCStr(pCoder, &tmp) < 0) return -1;
+      strcpy(name, tmp);
       taosArrayPush(pReq->ctb.tagName, name);
     }
   } else if (pReq->type == TSDB_NORMAL_TABLE) {
diff --git a/source/dnode/vnode/src/vnd/vnodeSvr.c b/source/dnode/vnode/src/vnd/vnodeSvr.c
index d36947543790c7216c9d597cce4195269ddf2434..cca212a4e405dddedb9175677395ece6326bc5d8 100644
--- a/source/dnode/vnode/src/vnd/vnodeSvr.c
+++ b/source/dnode/vnode/src/vnd/vnodeSvr.c
@@ -494,8 +494,6 @@ static int32_t vnodeProcessCreateTbReq(SVnode *pVnode, int64_t version, void *pR
     taosArrayPush(rsp.pArray, &cRsp);
   }
 
-  tDecoderClear(&decoder);
-
   tqUpdateTbUidList(pVnode->pTq, tbUids, true);
   tdUpdateTbUidList(pVnode->pSma, pStore);
   tdUidStoreFree(pStore);
@@ -512,9 +510,12 @@ static int32_t vnodeProcessCreateTbReq(SVnode *pVnode, int64_t version, void *pR
   }
   tEncoderInit(&encoder, pRsp->pCont, pRsp->contLen);
   tEncodeSVCreateTbBatchRsp(&encoder, &rsp);
-  tEncoderClear(&encoder);
 
 _exit:
+  for (int32_t iReq = 0; iReq < req.nReqs; iReq++) {
+    pCreateReq = req.pReqs + iReq;
+    taosArrayDestroy(pCreateReq->ctb.tagName);
+  }
   taosArrayDestroy(rsp.pArray);
   taosArrayDestroy(tbUids);
   tDecoderClear(&decoder);
@@ -795,6 +796,7 @@ static int32_t vnodeProcessSubmitReq(SVnode *pVnode, int64_t version, void *pReq
       if (tDecodeSVCreateTbReq(&decoder, &createTbReq) < 0) {
         pRsp->code = TSDB_CODE_INVALID_MSG;
         tDecoderClear(&decoder);
+        taosArrayDestroy(createTbReq.ctb.tagName);
         goto _exit;
       }
 
@@ -802,6 +804,7 @@ static int32_t vnodeProcessSubmitReq(SVnode *pVnode, int64_t version, void *pReq
         if (terrno != TSDB_CODE_TDB_TABLE_ALREADY_EXIST) {
           submitBlkRsp.code = terrno;
           tDecoderClear(&decoder);
+          taosArrayDestroy(createTbReq.ctb.tagName);
           goto _exit;
         }
       }
@@ -822,6 +825,7 @@ static int32_t vnodeProcessSubmitReq(SVnode *pVnode, int64_t version, void *pReq
       vnodeDebugPrintSingleSubmitMsg(pVnode->pMeta, pBlock, &msgIter, "real uid");
 #endif
       tDecoderClear(&decoder);
+      taosArrayDestroy(createTbReq.ctb.tagName);
     } else {
       submitBlkRsp.tblFName = taosMemoryMalloc(TSDB_TABLE_FNAME_LEN);
       sprintf(submitBlkRsp.tblFName, "%s.", pVnode->config.dbname);