后台添加清空账号功能

shared/db/Hero.ts

@@ -92,6 +92,12 @@ export default class Hero extends BaseModel {
     ]);
     return ce[0].ce;
   }
+
+  public static async deleteAccount(roleId: string, lean = true) {
+    let result = await HeroModel.deleteMany({roleId}).lean(lean);
+    return result||{};
+  }
+
 }
 
 export const HeroModel = getModelForClass(Hero);