1 files changed, 8 insertions, 0 deletions
diff --git a/components/cplusplus/Mutex.cpp b/components/cplusplus/Mutex.cpp
index c8dbbe6598..229e842446 100644
--- a/components/cplusplus/Mutex.cpp
+++ b/components/cplusplus/Mutex.cpp
@@ -1,3 +1,11 @@
+/*
+ * Copyright (c) 2006-2018, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ */
 #include "Mutex.h"
 
 using namespace rtthread;