diff --git a/OAT.xml b/OAT.xml
index 78b3409..2859118 100644
--- a/OAT.xml
+++ b/OAT.xml
@@ -60,8 +60,10 @@ Note:If the text contains special characters, please escape them according to th
         <policylist>
             <policy name="projectPolicy" desc="">
                 <policyitem type="license" name="GPL" path=".*" desc="linux kernel adapter codes"/>
-                <!--policyitem type="compatibility" name="GPL" path=".*" desc="linux kernel adapter codes"/-->
-                <!--policyitem type="compatibility" name="GPL-2.0+" path=".*" desc="linux kernel adapter codes"/-->
+                <policyitem type="copyright" name="Samsung Electronics Co.," path=".*" rule="may" group="defaultGroup" filefilter="copyrightPolicyFilter" desc="kernel codes"/>
+                <policyitem type="copyright" name="Samsung Electronics" path=".*" rule="may" group="defaultGroup" filefilter="copyrightPolicyFilter" desc="kernel codes"/>
+                <policyitem type="copyright" name="David Brownell" path=".*" rule="may" group="defaultGroup" filefilter="copyrightPolicyFilter" desc="kernel codes"/>
+                <policyitem type="copyright" name="Agilent Technologies" path=".*" rule="may" group="defaultGroup" filefilter="copyrightPolicyFilter" desc="kernel codes"/>
             </policy>
         </policylist>
         <filefilterlist>
diff --git a/model/usb/device/configfs.h b/model/usb/device/configfs.h
index 3b6f529..766a413 100644
--- a/model/usb/device/configfs.h
+++ b/model/usb/device/configfs.h
@@ -1,4 +1,21 @@
-/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * configfs.h
+ *
+ * usb configfs adapter of linux
+ *
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
 #ifndef USB__GADGET__CONFIGFS__H
 #define USB__GADGET__CONFIGFS__H
 
diff --git a/platform/mipi_dsi/mipi_dsi_adapter.c b/platform/mipi_dsi/mipi_dsi_adapter.c
index 63a4aaa..8fdb7ed 100644
--- a/platform/mipi_dsi/mipi_dsi_adapter.c
+++ b/platform/mipi_dsi/mipi_dsi_adapter.c
@@ -3,7 +3,7 @@
  *
  * Mipi dsi adapter driver.
  *
- * Copyright (c) Huawei Device Co., Ltd. 2020-2021. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd.
  *
  * This software is licensed under the terms of the GNU General Public
  * License version 2, as published by the Free Software Foundation, and
@@ -11,7 +11,7 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  * GNU General Public License for more details.
  *
  */
diff --git a/platform/mipi_dsi/mipi_dsi_adapter.h b/platform/mipi_dsi/mipi_dsi_adapter.h
index ae85417..eb1e969 100644
--- a/platform/mipi_dsi/mipi_dsi_adapter.h
+++ b/platform/mipi_dsi/mipi_dsi_adapter.h
@@ -3,7 +3,7 @@
  *
  * Mipi dsi adapter driver.
  *
- * Copyright (c) Huawei Device Co., Ltd. 2020-2021. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd.
  *
  * This software is licensed under the terms of the GNU General Public
  * License version 2, as published by the Free Software Foundation, and
@@ -11,7 +11,7 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  * GNU General Public License for more details.
  *
  */