diff --git a/source/libs/stream/src/streamTask.c b/source/libs/stream/src/streamTask.c
index 40cdeb401f..7badbfa9f3 100644
--- a/source/libs/stream/src/streamTask.c
+++ b/source/libs/stream/src/streamTask.c
@@ -733,7 +733,6 @@ bool streamTaskIsAllUpstreamClosed(SStreamTask* pTask) {
 bool streamTaskSetSchedStatusWait(SStreamTask* pTask) {
   bool ret = false;
 
-  // double check
   taosThreadMutexLock(&pTask->lock);
   if (pTask->status.schedStatus == TASK_SCHED_STATUS__INACTIVE) {
     pTask->status.schedStatus = TASK_SCHED_STATUS__WAITING;