diff --git a/source/client/src/clientStmt2.c b/source/client/src/clientStmt2.c
index 2f68b99c81..de5c85c727 100644
--- a/source/client/src/clientStmt2.c
+++ b/source/client/src/clientStmt2.c
@@ -1093,6 +1093,7 @@ static int stmtFetchStbColFields2(STscStmt2* pStmt, int32_t* fieldNum, TAOS_FIEL
   STMT_ERR_RET(qBuildStmtStbColFields(*pDataBlock, pStmt->bInfo.boundTags, pStmt->bInfo.preCtbname, fieldNum, fields));
   if (pStmt->bInfo.tbType == TSDB_SUPER_TABLE) {
     pStmt->bInfo.needParse = true;
+    qDestroyStmtDataBlock(*pDataBlock);
     if (taosHashRemove(pStmt->exec.pBlockHash, pStmt->bInfo.tbFName, strlen(pStmt->bInfo.tbFName)) != 0) {
       tscError("get fileds %s remove exec blockHash fail", pStmt->bInfo.tbFName);
       STMT_ERR_RET(TSDB_CODE_APP_ERROR);
diff --git a/source/libs/parser/src/parInsertSql.c b/source/libs/parser/src/parInsertSql.c
index 9090ae7a4d..e2069deefc 100644
--- a/source/libs/parser/src/parInsertSql.c
+++ b/source/libs/parser/src/parInsertSql.c
@@ -1849,7 +1849,6 @@ static int32_t doGetStbRowValues(SInsertParseContext* pCxt, SVnodeModifyOpStmt*
           tstrncpy(pStbRowsCxt->ctbName.tname, tbName, sizeof(pStbRowsCxt->ctbName.tname));
           tstrncpy(pStmt->usingTableName.tname, pStmt->targetTableName.tname, sizeof(pStmt->usingTableName.tname));
           tstrncpy(pStmt->targetTableName.tname, tbName, sizeof(pStmt->targetTableName.tname));
-
           tstrncpy(pStmt->usingTableName.dbname, pStmt->targetTableName.dbname, sizeof(pStmt->usingTableName.dbname));
           pStmt->usingTableName.type = 1;
           pStmt->pTableMeta->tableType = TSDB_CHILD_TABLE;  // set the table type to child table for parse cache
@@ -2060,9 +2059,7 @@ static int32_t parseStbBoundInfo(SVnodeModifyOpStmt* pStmt, SStbRowsDataContext*
 
   insDestroyBoundColInfo(&((*ppTableDataCxt)->boundColsInfo));
   (*ppTableDataCxt)->boundColsInfo = pStbRowsCxt->boundColsInfo;
-  (*ppTableDataCxt)->boundColsInfo.numOfCols = pStbRowsCxt->boundColsInfo.numOfBound;
-  (*ppTableDataCxt)->boundColsInfo.numOfBound = pStbRowsCxt->boundColsInfo.numOfBound;
-  (*ppTableDataCxt)->boundColsInfo.hasBoundCols = pStbRowsCxt->boundColsInfo.hasBoundCols;
+
   (*ppTableDataCxt)->boundColsInfo.pColIndex = taosMemoryCalloc(pStbRowsCxt->boundColsInfo.numOfBound, sizeof(int16_t));
   if (NULL == (*ppTableDataCxt)->boundColsInfo.pColIndex) {
     return terrno;
@@ -3175,9 +3172,8 @@ int32_t parseInsertSql(SParseContext* pCxt, SQuery** pQuery, SCatalogReq* pCatal
                                  .isStmtBind = pCxt->isStmtBind};
 
   int32_t             code = initInsertQuery(&context, pCatalogReq, pMetaData, pQuery);
-  SVnodeModifyOpStmt* pStmt = (SVnodeModifyOpStmt*)((*pQuery)->pRoot);
   if (TSDB_CODE_SUCCESS == code) {
-    code = parseInsertSqlImpl(&context, pStmt);
+    code = parseInsertSqlImpl(&context, (SVnodeModifyOpStmt*)((*pQuery)->pRoot));
   }
   if (TSDB_CODE_SUCCESS == code) {
     code = setNextStageInfo(&context, *pQuery, pCatalogReq);
diff --git a/source/libs/parser/src/parInsertStmt.c b/source/libs/parser/src/parInsertStmt.c
index b3c89a6b1c..c69abea0ca 100644
--- a/source/libs/parser/src/parInsertStmt.c
+++ b/source/libs/parser/src/parInsertStmt.c
@@ -606,6 +606,13 @@ int32_t qBindStmtTagsValue2(void* pBlock, void* boundTags, int64_t suid, const c
       code = terrno;
       goto end;
     }
+  } else {
+    SVCreateTbReq* tmp = pDataBlock->pData->pCreateTbReq;
+    taosMemoryFreeClear(tmp->name);
+    taosMemoryFreeClear(tmp->ctb.pTag);
+    taosMemoryFreeClear(tmp->ctb.stbName);
+    taosArrayDestroy(tmp->ctb.tagName);
+    tmp->ctb.tagName = NULL;
   }
 
   code = insBuildCreateTbReq(pDataBlock->pData->pCreateTbReq, tName, pTag, suid, sTableName, tagName,
diff --git a/tests/script/api/stmt2-example.c b/tests/script/api/stmt2-example.c
index 692ff90a06..6b59ba3118 100644
--- a/tests/script/api/stmt2-example.c
+++ b/tests/script/api/stmt2-example.c
@@ -33,7 +33,7 @@ void do_stmt(TAOS* taos) {
 
   char*           tbs[2] = {"tb", "tb2"};
   int             t1_val[2] = {0, 1};
-  int             t2_len[2] = {10, 10};
+  int             t2_len[2] = {5, 5};
   int             t3_len[2] = {sizeof(int), sizeof(int)};
   TAOS_STMT2_BIND tags[2][2] = {{{0, &t1_val[0], &t3_len[0], NULL, 0}, {0, "after1", &t2_len[0], NULL, 0}},
                                 {{0, &t1_val[1], &t3_len[1], NULL, 0}, {0, "after2", &t2_len[1], NULL, 0}}};
@@ -87,7 +87,7 @@ void do_stmt(TAOS* taos) {
     taos_stmt2_close(stmt);
     return;
   }
-
+  taos_stmt2_free_stb_fields(stmt, pFields);
   taos_stmt2_close(stmt);
 }