diff --git a/src/client/src/tscServer.c b/src/client/src/tscServer.c
index d2091e45acff35a0e14841021fe1f673479a0d6d..e977d57241a007e239428cff43dd85e3704cf1c8 100644
--- a/src/client/src/tscServer.c
+++ b/src/client/src/tscServer.c
@@ -400,7 +400,7 @@ void *tscProcessMsgFromServer(char *msg, void *ahandle, void *thandle) {
              pObj, pObj->signature);
     taosAddConnIntoCache(tscConnCache, pSql->thandle, pSql->ip, pSql->vnode, pObj->user);
     tscFreeSqlObj(pSql);
-    return ahandle;
+    return NULL;
   }
 
   SMeterMetaInfo *pMeterMetaInfo = tscGetMeterMetaInfo(pCmd, pCmd->clauseIndex, 0);