diff --git a/.idea/copyright/Mamoe_mirai.xml b/.idea/copyright/Mamoe_mirai.xml
index f243363f2..b75d37e3c 100644
--- a/.idea/copyright/Mamoe_mirai.xml
+++ b/.idea/copyright/Mamoe_mirai.xml
@@ -1,7 +1,7 @@
 <component name="CopyrightManager">
   <copyright>
-    <option name="allowReplaceRegexp" value="20..\-20(?!22).." />
-    <option name="notice" value="Copyright 2019-2022 Mamoe Technologies and contributors.&#10;&#10;此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.&#10;Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.&#10;&#10;https://github.com/mamoe/mirai/blob/dev/LICENSE" />
+    <option name="allowReplaceRegexp" value="20..\-20(?!23).." />
+    <option name="notice" value="Copyright 2019-2023 Mamoe Technologies and contributors.&#10;&#10;此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.&#10;Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.&#10;&#10;https://github.com/mamoe/mirai/blob/dev/LICENSE" />
     <option name="myName" value="Mamoe/mirai" />
   </copyright>
 </component>
\ No newline at end of file
diff --git a/README.md b/README.md
index 745ed9158..1c48b7a6b 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ mirai 是一个在全平台下运行，提供 QQ Android 协议支持的高效
 
 ### 许可证
 
-    Copyright (C) 2019-2022 Mamoe Technologies and contributors.
+    Copyright (C) 2019-2023 Mamoe Technologies and contributors.
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as