diff --git a/index.d.ts b/index.d.ts
index e069a6f..945befc 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -36,8 +36,9 @@ declare module 'egg' {
       client?: MongooseConfig,
       clients?: {
         [key: string]: MongooseConfig
-      }
+      },
+      plugins?:  Array<(schema: mongoose.Schema, opts?: any) => void>
     };
   }
 
-}
\ No newline at end of file
+}