diff --git a/source/client/src/clientSml.c b/source/client/src/clientSml.c
index c438196e71..984670ec1d 100644
--- a/source/client/src/clientSml.c
+++ b/source/client/src/clientSml.c
@@ -1213,6 +1213,11 @@ static int32_t smlParseLineBottom(SSmlHandle *info) {
 static int32_t smlInsertData(SSmlHandle *info) {
   int32_t code = TSDB_CODE_SUCCESS;
 
+  if(info->pRequest->dbList == NULL){
+    info->pRequest->dbList = taosArrayInit(1, TSDB_DB_FNAME_LEN);
+  }
+  taosArrayPush(info->pRequest->dbList, info->pRequest->pDb);
+
   SSmlTableInfo **oneTable = (SSmlTableInfo **)taosHashIterate(info->childTables, NULL);
   while (oneTable) {
     SSmlTableInfo *tableData = *oneTable;
@@ -1221,6 +1226,11 @@ static int32_t smlInsertData(SSmlHandle *info) {
     tstrncpy(pName.dbname, info->pRequest->pDb, sizeof(pName.dbname));
     memcpy(pName.tname, tableData->childTableName, strlen(tableData->childTableName));
 
+    if(info->pRequest->tableList == NULL){
+      info->pRequest->tableList = taosArrayInit(1, sizeof(SName));
+    }
+    taosArrayPush(info->pRequest->tableList, &pName);
+
     SRequestConnInfo conn = {0};
     conn.pTrans = info->taos->pAppInfo->pTransporter;
     conn.requestId = info->pRequest->requestId;
@@ -1422,6 +1432,7 @@ static int smlProcess(SSmlHandle *info, char *lines[], char *rawLine, char *rawL
   do {
     code = smlModifyDBSchemas(info);
     if (code == 0) break;
+    taosMsleep(200);
   } while (retryNum++ < taosHashGetSize(info->superTables) * MAX_RETRY_TIMES);
 
   if (code != 0) {
@@ -1446,62 +1457,75 @@ TAOS_RES *taos_schemaless_insert_inner(TAOS *taos, char *lines[], char *rawLine,
     terrno = TSDB_CODE_TSC_DISCONNECTED;
     return NULL;
   }
+  SRequestObj *request = NULL;
+  SSmlHandle *info = NULL;
+  while(1){
+    request = (SRequestObj *)createRequest(*(int64_t *)taos, TSDB_SQL_INSERT, reqid);
+    if (request == NULL) {
+      uError("SML:taos_schemaless_insert error request is null");
+      return NULL;
+    }
 
-  SRequestObj *request = (SRequestObj *)createRequest(*(int64_t *)taos, TSDB_SQL_INSERT, reqid);
-  if (request == NULL) {
-    uError("SML:taos_schemaless_insert error request is null");
-    return NULL;
+    info = smlBuildSmlInfo(taos);
+    if (info == NULL) {
+      request->code = TSDB_CODE_OUT_OF_MEMORY;
+      uError("SML:taos_schemaless_insert error SSmlHandle is null");
+      return (TAOS_RES *)request;
+    }
+    info->pRequest = request;
+    info->isRawLine = rawLine != NULL;
+    info->ttl = ttl;
+    info->precision = precision;
+    info->protocol = (TSDB_SML_PROTOCOL_TYPE)protocol;
+    info->msgBuf.buf = info->pRequest->msgBuf;
+    info->msgBuf.len = ERROR_MSG_BUF_DEFAULT_SIZE;
+    info->lineNum = numLines;
+
+    SSmlMsgBuf msg = {ERROR_MSG_BUF_DEFAULT_SIZE, request->msgBuf};
+    if (request->pDb == NULL) {
+      request->code = TSDB_CODE_PAR_DB_NOT_SPECIFIED;
+      smlBuildInvalidDataMsg(&msg, "Database not specified", NULL);
+      goto end;
+    }
+
+    if (protocol < TSDB_SML_LINE_PROTOCOL || protocol > TSDB_SML_JSON_PROTOCOL) {
+      request->code = TSDB_CODE_SML_INVALID_PROTOCOL_TYPE;
+      smlBuildInvalidDataMsg(&msg, "protocol invalidate", NULL);
+      goto end;
+    }
+
+    if (protocol == TSDB_SML_LINE_PROTOCOL &&
+        (precision < TSDB_SML_TIMESTAMP_NOT_CONFIGURED || precision > TSDB_SML_TIMESTAMP_NANO_SECONDS)) {
+      request->code = TSDB_CODE_SML_INVALID_PRECISION_TYPE;
+      smlBuildInvalidDataMsg(&msg, "precision invalidate for line protocol", NULL);
+      goto end;
+    }
+
+    if (protocol == TSDB_SML_JSON_PROTOCOL) {
+      numLines = 1;
+    } else if (numLines <= 0) {
+      request->code = TSDB_CODE_SML_INVALID_DATA;
+      smlBuildInvalidDataMsg(&msg, "line num is invalid", NULL);
+      goto end;
+    }
+
+    code = smlProcess(info, lines, rawLine, rawLineEnd, numLines);
+    request->code = code;
+    info->cost.endTime = taosGetTimestampUs();
+    info->cost.code = code;
+    smlPrintStatisticInfo(info);
+    if(code == TSDB_CODE_TDB_INVALID_TABLE_SCHEMA_VER || code == TSDB_CODE_SDB_OBJ_CREATING){
+      refreshMeta(request->pTscObj, request);
+      uInfo("SML:%"PRIx64" ver is old retry or object is creating:%d", info->id, code);
+      smlDestroyInfo(info);
+      info = NULL;
+      taos_free_result(request);
+      request = NULL;
+      continue;
+    }
+    break;
   }
 
-  SSmlHandle *info = smlBuildSmlInfo(taos);
-  if (info == NULL) {
-    request->code = TSDB_CODE_OUT_OF_MEMORY;
-    uError("SML:taos_schemaless_insert error SSmlHandle is null");
-    return (TAOS_RES *)request;
-  }
-  info->pRequest = request;
-  info->isRawLine = rawLine != NULL;
-  info->ttl = ttl;
-  info->precision = precision;
-  info->protocol = (TSDB_SML_PROTOCOL_TYPE)protocol;
-  info->msgBuf.buf = info->pRequest->msgBuf;
-  info->msgBuf.len = ERROR_MSG_BUF_DEFAULT_SIZE;
-  info->lineNum = numLines;
-
-  SSmlMsgBuf msg = {ERROR_MSG_BUF_DEFAULT_SIZE, request->msgBuf};
-  if (request->pDb == NULL) {
-    request->code = TSDB_CODE_PAR_DB_NOT_SPECIFIED;
-    smlBuildInvalidDataMsg(&msg, "Database not specified", NULL);
-    goto end;
-  }
-
-  if (protocol < TSDB_SML_LINE_PROTOCOL || protocol > TSDB_SML_JSON_PROTOCOL) {
-    request->code = TSDB_CODE_SML_INVALID_PROTOCOL_TYPE;
-    smlBuildInvalidDataMsg(&msg, "protocol invalidate", NULL);
-    goto end;
-  }
-
-  if (protocol == TSDB_SML_LINE_PROTOCOL &&
-      (precision < TSDB_SML_TIMESTAMP_NOT_CONFIGURED || precision > TSDB_SML_TIMESTAMP_NANO_SECONDS)) {
-    request->code = TSDB_CODE_SML_INVALID_PRECISION_TYPE;
-    smlBuildInvalidDataMsg(&msg, "precision invalidate for line protocol", NULL);
-    goto end;
-  }
-
-  if (protocol == TSDB_SML_JSON_PROTOCOL) {
-    numLines = 1;
-  } else if (numLines <= 0) {
-    request->code = TSDB_CODE_SML_INVALID_DATA;
-    smlBuildInvalidDataMsg(&msg, "line num is invalid", NULL);
-    goto end;
-  }
-
-  code = smlProcess(info, lines, rawLine, rawLineEnd, numLines);
-  request->code = code;
-  info->cost.endTime = taosGetTimestampUs();
-  info->cost.code = code;
-  smlPrintStatisticInfo(info);
-
 end:
   smlDestroyInfo(info);
   return (TAOS_RES *)request;
diff --git a/source/client/src/clientSmlLine.c b/source/client/src/clientSmlLine.c
index 66f1316cd5..f5ae077b5d 100644
--- a/source/client/src/clientSmlLine.c
+++ b/source/client/src/clientSmlLine.c
@@ -436,7 +436,7 @@ static int32_t smlParseColKv(SSmlHandle *info, char **sql, char *sqlEnd, SSmlLin
       // bind data
       ret = smlBuildCol(info->currTableDataCtx, info->currSTableMeta->schema, &kv, cnt + 1);
       if (unlikely(ret != TSDB_CODE_SUCCESS)) {
-        uError("smlBuildCol error, retry");
+        uDebug("smlBuildCol error, retry");
         info->dataFormat = false;
         info->reRun = true;
         return TSDB_CODE_SUCCESS;
@@ -582,8 +582,10 @@ int32_t smlParseInfluxString(SSmlHandle *info, char *sql, char *sqlEnd, SSmlLine
                .i = ts,
                .length = (size_t)tDataTypes[TSDB_DATA_TYPE_TIMESTAMP].bytes};
   if (info->dataFormat) {
-    smlBuildCol(info->currTableDataCtx, info->currSTableMeta->schema, &kv, 0);
-    smlBuildRow(info->currTableDataCtx);
+    ret = smlBuildCol(info->currTableDataCtx, info->currSTableMeta->schema, &kv, 0);
+    if(ret != TSDB_CODE_SUCCESS){return ret;}
+    ret = smlBuildRow(info->currTableDataCtx);
+    if(ret != TSDB_CODE_SUCCESS){return ret;}
     clearColValArray(info->currTableDataCtx->pValues);
   } else {
     taosArraySet(elements->colArray, 0, &kv);
diff --git a/source/libs/executor/src/executor.c b/source/libs/executor/src/executor.c
index 04d54a95ae..ac78ddc23c 100644
--- a/source/libs/executor/src/executor.c
+++ b/source/libs/executor/src/executor.c
@@ -1110,11 +1110,8 @@ int32_t qStreamPrepareScan(qTaskInfo_t tinfo, STqOffsetVal* pOffset, int8_t subT
       STableScanInfo* pTableScanInfo = pInfo->pTableScanOp->info;
       int32_t         numOfTables = tableListGetSize(pTaskInfo->pTableInfoList);
 
-#ifndef NDEBUG
-      qDebug("switch to next table %" PRId64 " (cursor %d), %" PRId64 " rows returned", uid,
-             pTableScanInfo->currentTable, pInfo->pTableScanOp->resultInfo.totalRows);
+      qDebug("switch to next table %" PRId64 " ts %" PRId64 "% "PRId64 " rows returned", uid, ts, pInfo->pTableScanOp->resultInfo.totalRows);
       pInfo->pTableScanOp->resultInfo.totalRows = 0;
-#endif
 
       bool found = false;
       for (int32_t i = 0; i < numOfTables; i++) {
diff --git a/source/libs/executor/src/scanoperator.c b/source/libs/executor/src/scanoperator.c
index fccb53f0cd..40b9597643 100644
--- a/source/libs/executor/src/scanoperator.c
+++ b/source/libs/executor/src/scanoperator.c
@@ -1608,8 +1608,6 @@ static SSDataBlock* doQueueScan(SOperatorInfo* pOperator) {
   if (pTaskInfo->streamInfo.prepareStatus.type == TMQ_OFFSET__SNAPSHOT_DATA) {
     SSDataBlock* pResult = doTableScan(pInfo->pTableScanOp);
     if (pResult && pResult->info.rows > 0) {
-      qDebug("queue scan tsdb return %d rows min:%" PRId64 " max:%" PRId64, pResult->info.rows,
-             pResult->info.window.skey, pResult->info.window.ekey);
       qDebug("queue scan tsdb return %d rows min:%" PRId64 " max:%" PRId64 " wal curVersion:%" PRId64, pResult->info.rows,
              pResult->info.window.skey, pResult->info.window.ekey, pInfo->tqReader->pWalReader->curVersion);
       pTaskInfo->streamInfo.returned = 1;
diff --git a/source/libs/parser/src/parInsertSml.c b/source/libs/parser/src/parInsertSml.c
index 4742921d08..d6c1072669 100644
--- a/source/libs/parser/src/parInsertSml.c
+++ b/source/libs/parser/src/parInsertSml.c
@@ -201,6 +201,7 @@ int32_t smlBuildCol(STableDataCxt* pTableCxt, SSchema* schema, void* data, int32
   SSmlKv*  kv = (SSmlKv*)data;
   if(kv->keyLen != strlen(pColSchema->name) || memcmp(kv->key, pColSchema->name, kv->keyLen) != 0 || kv->type != pColSchema->type){
     ret = TSDB_CODE_SML_INVALID_DATA;
+    uError("SML smlBuildCol error col not same %s", pColSchema->name);
     goto end;
   }
   if (kv->type == TSDB_DATA_TYPE_NCHAR) {