diff --git a/source/client/src/clientEnv.c b/source/client/src/clientEnv.c
index 336924f9340eaaa97feb44901a9d19346445c94e..be0a41ba40e417d2c7596ae985d056827c3f46f6 100644
--- a/source/client/src/clientEnv.c
+++ b/source/client/src/clientEnv.c
@@ -134,7 +134,8 @@ void destroyTscObj(void *pObj) {
   closeAllRequests(pTscObj->pRequests);
   schedulerStopQueryHb(pTscObj->pAppInfo->pTransporter);
   if (0 == connNum) {
-    closeTransporter(pTscObj);
+    // TODO 
+    //closeTransporter(pTscObj);
   }
   tscDebug("connObj 0x%" PRIx64 " destroyed, totalConn:%" PRId64, pTscObj->id, pTscObj->pAppInfo->numOfConns);
   taosThreadMutexDestroy(&pTscObj->mutex);