diff --git a/source/libs/stream/src/streamMeta.c b/source/libs/stream/src/streamMeta.c
index 209ff4cc73..5cc3310e11 100644
--- a/source/libs/stream/src/streamMeta.c
+++ b/source/libs/stream/src/streamMeta.c
@@ -210,6 +210,7 @@ void streamMetaClose(SStreamMeta* pMeta) {
   if (pMeta == NULL) {
     return;
   }
+  // TODO, add ref to resolve race: timer thread cannot stop
   taosTmrStop(pMeta->hbInfo.hbTmr);
 
   streamMetaClear(pMeta);