diff --git a/src/client/src/tscServer.c b/src/client/src/tscServer.c
index 592deb3272c0db7d41a579c54b70d23207b14419..5296b0c3d1b352eb640efd71d6af484fe353d73c 100644
--- a/src/client/src/tscServer.c
+++ b/src/client/src/tscServer.c
@@ -663,6 +663,9 @@ void tscProcessMsgFromServer(SRpcMsg *rpcMsg, SRpcEpSet *pEpSet) {
         memcpy(pRes->pRsp, rpcMsg->pCont, pRes->rspLen);
       }
     } else {
+      if (pRes->code == TSDB_CODE_SUCCESS) {
+        pRes->code = TSDB_CODE_RPC_UNEXPECTED_RESPONSE;
+      }
       tfree(pRes->pRsp);
     }