diff --git a/ge/graph/build/logical_stream_allocator.cc b/ge/graph/build/logical_stream_allocator.cc
index 978f2c66..5d3b2f21 100644
--- a/ge/graph/build/logical_stream_allocator.cc
+++ b/ge/graph/build/logical_stream_allocator.cc
@@ -1,4 +1,4 @@
-/** 
+/**
  * Copyright 2020 Huawei Technologies Co., Ltd
  *
  * Licensed under the Apache License, Version 2.0 (the "License");