diff --git a/source/libs/transport/src/transCli.c b/source/libs/transport/src/transCli.c
index 9f8637aa05..564058978f 100644
--- a/source/libs/transport/src/transCli.c
+++ b/source/libs/transport/src/transCli.c
@@ -624,6 +624,7 @@ static SCliConn* getConnFromPool2(SCliThrd* pThrd, char* key, SCliMsg** pMsg) {
 
     plist = taosHashGet((SHashObj*)pool, key, strlen(key));
     QUEUE_INIT(&plist->conns);
+    return NULL;
   }
 
   SMsgList* list = plist->list;