diff --git a/catch/permissions/tables/forms/User.php b/catch/permissions/tables/forms/User.php
index 1d5320a..e1047fc 100644
--- a/catch/permissions/tables/forms/User.php
+++ b/catch/permissions/tables/forms/User.php
@@ -35,6 +35,7 @@ class User extends Form
 
             self::tree('roles', '角色', [])
                 ->props(self::props('role_name', 'id', [], Roles::field(['id', 'parent_id', 'role_name'])->select()->toTree()))
+                ->checkStrictly(true)
                 ->required(),
         ];
     }