diff --git a/backend/app/admin/service/auth_service.py b/backend/app/admin/service/auth_service.py
index 75a8971a..742f5ee7 100644
--- a/backend/app/admin/service/auth_service.py
+++ b/backend/app/admin/service/auth_service.py
@@ -187,14 +187,14 @@ class AuthService:
             menus = await menu_dao.get_all(db, None, None)
             for menu in menus:
                 if menu.perms:
-                    codes.add(*menu.perms.split(','))
+                    codes.update(menu.perms.split(','))
         else:
             roles = request.user.roles
             if roles:
                 for role in roles:
                     for menu in role.menus:
                         if menu.perms:
-                            codes.add(*menu.perms.split(','))
+                            codes.update(menu.perms.split(','))
 
         return list(codes)