diff --git a/Ubiquitous/XiZi_IIoT/board/rzv2l-m33/src/hal_entry.c b/Ubiquitous/XiZi_IIoT/board/rzv2l-m33/src/hal_entry.c
index a217d22b2..098b51dfc 100644
--- a/Ubiquitous/XiZi_IIoT/board/rzv2l-m33/src/hal_entry.c
+++ b/Ubiquitous/XiZi_IIoT/board/rzv2l-m33/src/hal_entry.c
@@ -1,3 +1,23 @@
+/*
+* Copyright (c) 2020 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 hal_entry.c
+* @brief kernel startup
+* @version 1.0 
+* @author AIIT XUOS Lab
+* @date 2024.1.10
+*/
+
 #include "hal_data.h"
 #include <board.h>
 #include <console.h>
diff --git a/Ubiquitous/XiZi_IIoT/board/rzv2l-m33/src/rpmsg_listener_task.c b/Ubiquitous/XiZi_IIoT/board/rzv2l-m33/src/rpmsg_listener_task.c
index 6923a6a5c..c6119afb9 100644
--- a/Ubiquitous/XiZi_IIoT/board/rzv2l-m33/src/rpmsg_listener_task.c
+++ b/Ubiquitous/XiZi_IIoT/board/rzv2l-m33/src/rpmsg_listener_task.c
@@ -1,3 +1,24 @@
+
+/*
+* Copyright (c) 2020 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 rpmsg_listener_task.c
+* @brief rpmsg listen task
+* @version 1.0 
+* @author AIIT XUOS Lab
+* @date 2024.1.10
+*/
+
 #include <openamp/open_amp.h>
 #include "rpmsg_task.h"
 #include "platform_info.h"