diff --git a/nonebot_plugin_marshoai/metadata.py b/nonebot_plugin_marshoai/metadata.py
index 37cf8b87..76b1e763 100644
--- a/nonebot_plugin_marshoai/metadata.py
+++ b/nonebot_plugin_marshoai/metadata.py
@@ -11,5 +11,5 @@ metadata = PluginMetadata(
     config=ConfigModel,
     homepage="https://github.com/LiteyukiStudio/nonebot-plugin-marshoai",
     supported_adapters=inherit_supported_adapters("nonebot_plugin_alconna"),
-    extra={"License": "MIT", "Author": "Asankilp"},
+    extra={"License": "MIT, Mulan PSL v2", "Author": "Asankilp"},
 )