diff --git a/src/client/src/tscServer.c b/src/client/src/tscServer.c
index ed937bb68a67847deb8c2a9d7af6ad439479551e..3805d0c43f010ec8280d2348554cc18818c09052 100644
--- a/src/client/src/tscServer.c
+++ b/src/client/src/tscServer.c
@@ -710,15 +710,21 @@ int32_t tscLaunchJoinSubquery(SSqlObj *pSql, int16_t tableIndex, SJoinSubquerySu
 int doProcessSql(SSqlObj *pSql) {
   SSqlCmd *pCmd = &pSql->cmd;
   SSqlRes *pRes = &pSql->res;
+  int32_t  code;
 
   void *asyncFp = pSql->fp;
   if (pCmd->command == TSDB_SQL_SELECT || pCmd->command == TSDB_SQL_FETCH || pCmd->command == TSDB_SQL_RETRIEVE ||
       pCmd->command == TSDB_SQL_INSERT || pCmd->command == TSDB_SQL_CONNECT || pCmd->command == TSDB_SQL_HB ||
       pCmd->command == TSDB_SQL_META || pCmd->command == TSDB_SQL_METRIC) {
-    tscBuildMsg[pCmd->command](pSql, NULL);
+    code = tscBuildMsg[pCmd->command](pSql, NULL);
   }
 
-  int32_t code = tscSendMsgToServer(pSql);
+  if (code != TSDB_CODE_SUCCESS) {
+    pRes->code = code;
+    return code;
+  }
+
+  code = tscSendMsgToServer(pSql);
 
   if (asyncFp) {
     if (code != TSDB_CODE_SUCCESS) {
@@ -994,7 +1000,13 @@ int tscLaunchSTableSubqueries(SSqlObj *pSql) {
     SRetrieveSupport* pSupport = pSub->param;
     
     tscTrace("%p sub:%p launch subquery, orderOfSub:%d.", pSql, pSub, pSupport->subqueryIndex);
-    tscProcessSql(pSub);
+    int code = tscProcessSql(pSub);
+    if (code != TSDB_CODE_SUCCESS) {
+      tscLocalReducerEnvDestroy(pMemoryBuf, pDesc, pModel, numOfSubQueries);
+      doCleanupSubqueries(pSql, i, pState);
+      pRes->code = code;
+      return pRes->code;
+    }
   }
 
   return TSDB_CODE_SUCCESS;