diff --git a/source/client/src/clientEnv.c b/source/client/src/clientEnv.c
index 0bed08b6e6..d63701c529 100644
--- a/source/client/src/clientEnv.c
+++ b/source/client/src/clientEnv.c
@@ -531,7 +531,7 @@ int32_t createRequest(uint64_t connId, int32_t type, int64_t reqid, SRequestObj
 
   STscObj *pTscObj = acquireTscObj(connId);
   if (pTscObj == NULL) {
-    TSC_ERR_JRET(terrno);
+    TSC_ERR_JRET(TSDB_CODE_TSC_DISCONNECTED);
   }
   SSyncQueryParam *interParam = taosMemoryCalloc(1, sizeof(SSyncQueryParam));
   if (interParam == NULL) {