diff --git a/devices/bc26/bc26.h b/devices/bc26/bc26.h
index 20f5521a..5b22722b 100644
--- a/devices/bc26/bc26.h
+++ b/devices/bc26/bc26.h
@@ -1,19 +1,25 @@
-/*********************************************************************************
- *                   Copyright (c) 2016 - 2020,Tencent
- *                      All rights reserved.
+/*----------------------------------------------------------------------------
+ * Tencent is pleased to support the open source community by making TencentOS
+ * available.
  *
- * File Name:   bc26.h
+ * Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
+ * If you have downloaded a copy of the TencentOS binary from Tencent, please
+ * note that the TencentOS binary is licensed under the BSD 3-Clause License.
  *
- * Description:   net api based on at cmd for bc26
- * Desc:           ORG.
- ********************************************************************************/
+ * If you have downloaded a copy of the TencentOS source code from Tencent,
+ * please note that TencentOS source code is licensed under the BSD 3-Clause
+ * License, except for the third-party components listed below which are
+ * subject to different license terms. Your integration of TencentOS into your
+ * own projects may require compliance with the BSD 3-Clause License, as well
+ * as the other licenses applicable to the third-party components included
+ * within TencentOS.
+ *---------------------------------------------------------------------------*/
 
-#ifndef __BC26_H_
-#define __BC26_H_
+#ifndef __BC26_H__
+#define __BC26_H__
 
 #include "tos_at.h"
 
 int bc26_sal_init(hal_uart_port_t uart_port);
 
-#endif
-
+#endif /* __BC26_H__ */