diff --git a/app/Http/Controllers/Admin/ConfigController.php b/app/Http/Controllers/Admin/ConfigController.php
index 56bb1fbf..467a2f48 100755
--- a/app/Http/Controllers/Admin/ConfigController.php
+++ b/app/Http/Controllers/Admin/ConfigController.php
@@ -65,10 +65,6 @@ class ConfigController extends Controller
                 ],
                 'tutorial' => [
                     'apple_id' => config('v2board.apple_id')
-                ],
-                'lab' => [
-                    'auth_type' => (int)config('v2board.auth_type', 1),
-                    'auth_salt' => config('v2board.auth_salt')
                 ]
             ]
         ]);
diff --git a/app/Http/Requests/Admin/ConfigSave.php b/app/Http/Requests/Admin/ConfigSave.php
index ba3ceeb3..76fae1fd 100755
--- a/app/Http/Requests/Admin/ConfigSave.php
+++ b/app/Http/Requests/Admin/ConfigSave.php
@@ -47,10 +47,7 @@ class ConfigSave extends FormRequest
         'frontend_background_url' => 'nullable|url',
         // tutorial
         'apple_id' => 'email',
-        'apple_id_password' => '',
-        // lab
-        'auth_type' => 'in:1,2',
-        'auth_salt' => ''
+        'apple_id_password' => ''
     ];
 
     public static function filter()