diff --git a/src/Record/MP4Demuxer.cpp b/src/Record/MP4Demuxer.cpp
index c63847f9..87936137 100644
--- a/src/Record/MP4Demuxer.cpp
+++ b/src/Record/MP4Demuxer.cpp
@@ -1,4 +1,4 @@
-/*
+/*
  * Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
  *
  * This file is part of ZLMediaKit(https://github.com/xia-chu/ZLMediaKit).