diff --git a/source/libs/stream/src/streamTask.c b/source/libs/stream/src/streamTask.c
index 663deca171..84e373172f 100644
--- a/source/libs/stream/src/streamTask.c
+++ b/source/libs/stream/src/streamTask.c
@@ -385,7 +385,7 @@ int32_t streamTaskInit(SStreamTask* pTask, SStreamMeta* pMeta, SMsgCb* pMsgCb, i
   pTask->dataRange.range.minVer = ver;
   pTask->pMsgCb = pMsgCb;
 
-  streamTaskInitTokenBucket(&pTask->tokenBucket, 150, 100);
+  streamTaskInitTokenBucket(&pTask->tokenBucket, 100, 100);
   taosThreadMutexInit(&pTask->lock, NULL);
   streamTaskOpenAllUpstreamInput(pTask);