diff --git a/player/AudioSRC.cpp b/player/AudioSRC.cpp
index 3c2255fa..a1a58b44 100644
--- a/player/AudioSRC.cpp
+++ b/player/AudioSRC.cpp
@@ -1,4 +1,4 @@
-/*
+/*
  * Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
  *
  * This file is part of ZLMediaKit(https://github.com/ZLMediaKit/ZLMediaKit).
diff --git a/player/AudioSRC.h b/player/AudioSRC.h
index 7c954799..3f90126b 100644
--- a/player/AudioSRC.h
+++ b/player/AudioSRC.h
@@ -1,4 +1,4 @@
-/*
+/*
  * Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
  *
  * This file is part of ZLMediaKit(https://github.com/ZLMediaKit/ZLMediaKit).
diff --git a/player/SDLAudioDevice.cpp b/player/SDLAudioDevice.cpp
index b7735ae5..41835fb7 100644
--- a/player/SDLAudioDevice.cpp
+++ b/player/SDLAudioDevice.cpp
@@ -1,4 +1,4 @@
-/*
+/*
  * Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
  *
  * This file is part of ZLMediaKit(https://github.com/ZLMediaKit/ZLMediaKit).
diff --git a/player/SDLAudioDevice.h b/player/SDLAudioDevice.h
index ff2c8a21..91d92ecf 100644
--- a/player/SDLAudioDevice.h
+++ b/player/SDLAudioDevice.h
@@ -1,4 +1,4 @@
-/*
+/*
  * Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
  *
  * This file is part of ZLMediaKit(https://github.com/ZLMediaKit/ZLMediaKit).
diff --git a/player/YuvDisplayer.h b/player/YuvDisplayer.h
index f08a157c..57fa7816 100644
--- a/player/YuvDisplayer.h
+++ b/player/YuvDisplayer.h
@@ -1,4 +1,4 @@
- /*
+ /*
  * Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
  *
  * This file is part of ZLMediaKit(https://github.com/ZLMediaKit/ZLMediaKit).
diff --git a/webrtc/TwccContext.cpp b/webrtc/TwccContext.cpp
index 4df28f70..1d8b9821 100644
--- a/webrtc/TwccContext.cpp
+++ b/webrtc/TwccContext.cpp
@@ -1,4 +1,4 @@
-/*
+/*
  * Copyright (c) 2021 The ZLMediaKit project authors. All Rights Reserved.
  *
  * This file is part of ZLMediaKit(https://github.com/xia-chu/ZLMediaKit).
diff --git a/webrtc/TwccContext.h b/webrtc/TwccContext.h
index 893c3042..98790a18 100644
--- a/webrtc/TwccContext.h
+++ b/webrtc/TwccContext.h
@@ -1,4 +1,4 @@
-/*
+/*
  * Copyright (c) 2021 The ZLMediaKit project authors. All Rights Reserved.
  *
  * This file is part of ZLMediaKit(https://github.com/xia-chu/ZLMediaKit).