diff --git a/app/Http/Controllers/TutorialController.php b/app/Http/Controllers/TutorialController.php
index ab6990ea..bf05bf3f 100644
--- a/app/Http/Controllers/TutorialController.php
+++ b/app/Http/Controllers/TutorialController.php
@@ -61,6 +61,12 @@ class TutorialController extends Controller
                 ]
             ]
         ];
+        // fuck support shadowrocket urlsafeb64 subscribe
+        $response['data']['safe_area_var']['b64_subscribe_url'] = str_replace(
+            array('+','/','='),array('-','_',''),
+            base64_encode($response['data']['safe_area_var']['subscribe_url'])
+        );
+        // end
         return response($response);
     }
 }