diff --git a/Ubiquitous/XiZi_AIoT/hardkernel/arch/arm/armv7-a/cortex-a9/device.h b/Ubiquitous/XiZi_AIoT/hardkernel/arch/arm/armv7-a/cortex-a9/device.h
index 0b3bde014..4a366b2a3 100644
--- a/Ubiquitous/XiZi_AIoT/hardkernel/arch/arm/armv7-a/cortex-a9/device.h
+++ b/Ubiquitous/XiZi_AIoT/hardkernel/arch/arm/armv7-a/cortex-a9/device.h
@@ -11,8 +11,8 @@
  */
 
 /**
- * @file l2cc_pl310.c
- * @brief PLC inovance am401 app
+ * @file device.h
+ * @brief struct of imx6q devices
  * @version 3.0
  * @author AIIT XUOS Lab
  * @date 2023.8.10
diff --git a/Ubiquitous/XiZi_AIoT/hardkernel/arch/arm/armv7-a/cortex-a9/imx6q_desc.c b/Ubiquitous/XiZi_AIoT/hardkernel/arch/arm/armv7-a/cortex-a9/imx6q_desc.c
index b413d364e..bdca2b4a3 100644
--- a/Ubiquitous/XiZi_AIoT/hardkernel/arch/arm/armv7-a/cortex-a9/imx6q_desc.c
+++ b/Ubiquitous/XiZi_AIoT/hardkernel/arch/arm/armv7-a/cortex-a9/imx6q_desc.c
@@ -1,3 +1,24 @@
+/*
+ * Copyright (c) 2022 AIIT XUOS Lab
+ * XiUOS is licensed under Mulan PSL v2.
+ * You can use this software according to the terms and conditions of the Mulan PSL v2.
+ * You may obtain a copy of Mulan PSL v2 at:
+ *        http://license.coscl.org.cn/MulanPSL2
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PSL v2 for more details.
+ */
+
+/**
+ * @file imx6q_desc.c
+ * @brief config imx6q devices
+ * @version 3.0
+ * @author AIIT XUOS Lab
+ * @date 2023.8.10
+ */
+
+
 #include "device.h"