diff --git a/bsp/rx/ReadMe.txt b/bsp/rx/README.md
similarity index 100%
rename from bsp/rx/ReadMe.txt
rename to bsp/rx/README.md
diff --git a/bsp/rx/applications/application.c b/bsp/rx/applications/application.c
index 4a6e250429..2013a3c69a 100644
--- a/bsp/rx/applications/application.c
+++ b/bsp/rx/applications/application.c
@@ -1,11 +1,7 @@
 /*
- * File      : application.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rt-thread.org/license/LICENSE
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Change Logs:
  * Date           Author       Notes
@@ -14,7 +10,7 @@
  */
 
 /**
- * @addtogroup STM32
+ * @addtogroup
  */
 /*@{*/
 
diff --git a/bsp/rx/applications/startup.c b/bsp/rx/applications/startup.c
index 4b195492f6..98466e6d87 100644
--- a/bsp/rx/applications/startup.c
+++ b/bsp/rx/applications/startup.c
@@ -1,11 +1,7 @@
 /*
- * File      : startup.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006, RT-Thread Develop Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://openlab.rt-thread.com/license/LICENSE
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Change Logs:
  * Date           Author       Notes
diff --git a/bsp/rx/drivers/Uart.h b/bsp/rx/drivers/Uart.h
index 9354861ca3..cc8aeaf5df 100644
--- a/bsp/rx/drivers/Uart.h
+++ b/bsp/rx/drivers/Uart.h
@@ -1,3 +1,11 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ */
 
 #ifndef __UART_H__
 #define __UART_H__
diff --git a/bsp/rx/drivers/board.c b/bsp/rx/drivers/board.c
index 4e02325325..a8bebc306e 100644
--- a/bsp/rx/drivers/board.c
+++ b/bsp/rx/drivers/board.c
@@ -1,3 +1,12 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ */
+
 #include <rthw.h>
 #include <rtthread.h>
 #include "board.h"
diff --git a/bsp/rx/drivers/board.h b/bsp/rx/drivers/board.h
index 870e805a99..729e0c33de 100644
--- a/bsp/rx/drivers/board.h
+++ b/bsp/rx/drivers/board.h
@@ -1,3 +1,13 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ */
+
+
 #ifndef __BOARD_H__
 #define __BOARD_H__
 
diff --git a/bsp/rx/drivers/uart.c b/bsp/rx/drivers/uart.c
index 9e304ac95c..b863726b9c 100644
--- a/bsp/rx/drivers/uart.c
+++ b/bsp/rx/drivers/uart.c
@@ -1,9 +1,11 @@
 /*
-*********************************************************************************************************
-* Filename      : uart.c
-*********************************************************************************************************
-*/
-
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ */
 
 #include <rthw.h>
 #include <rtthread.h>