diff --git a/source/libs/stream/src/streamCheckpoint.c b/source/libs/stream/src/streamCheckpoint.c
index 6c4c285ded..2280b7f06f 100644
--- a/source/libs/stream/src/streamCheckpoint.c
+++ b/source/libs/stream/src/streamCheckpoint.c
@@ -362,6 +362,10 @@ int32_t streamProcessCheckpointTriggerBlock(SStreamTask* pTask, SStreamDataBlock
     }
   }
 
+#if 0
+  taosMsleep(20*1000);
+#endif
+
   if (taskLevel == TASK_LEVEL__SOURCE) {
     int8_t type = pTask->outputInfo.type;
     pActiveInfo->allUpstreamTriggerRecv = 1;