diff --git a/source/client/src/clientStmt.c b/source/client/src/clientStmt.c
index 737282d214..c804213d89 100644
--- a/source/client/src/clientStmt.c
+++ b/source/client/src/clientStmt.c
@@ -465,10 +465,12 @@ int stmtSetTbTags(TAOS_STMT *stmt, TAOS_MULTI_BIND *tags) {
 
   STMT_ERR_RET(stmtSwitchStatus(pStmt, STMT_SETTAGS));
 
-  if (pStmt->bInfo.needParse) {
-    STMT_ERR_RET(stmtParseSql(pStmt));
+  if (!pStmt->bInfo.needParse) {
+    return TSDB_CODE_SUCCESS;
   }
 
+  STMT_ERR_RET(stmtParseSql(pStmt));
+
   STableDataBlocks **pDataBlock = (STableDataBlocks**)taosHashGet(pStmt->exec.pBlockHash, (const char*)&pStmt->bInfo.tbUid, sizeof(pStmt->bInfo.tbUid));
   if (NULL == pDataBlock) {
     tscError("table uid %" PRIx64 "not found in exec blockHash", pStmt->bInfo.tbUid);
diff --git a/source/libs/parser/src/parInsertData.c b/source/libs/parser/src/parInsertData.c
index 5fa2961474..c074334722 100644
--- a/source/libs/parser/src/parInsertData.c
+++ b/source/libs/parser/src/parInsertData.c
@@ -601,6 +601,7 @@ int32_t qResetStmtDataBlock(void* block, bool keepBuf) {
   pBlock->numOfTables = 1;
   pBlock->nAllocSize = TSDB_PAYLOAD_SIZE;
   pBlock->headerSize = pBlock->size;
+  pBlock->createTbReqLen = 0;
 
   memset(&pBlock->rowBuilder, 0, sizeof(pBlock->rowBuilder));