diff --git a/app/Endpoint/Api/Http/Controllers/ShareBgController.php b/app/Endpoint/Api/Http/Controllers/ShareBgController.php
index ac46a06d..1db5b905 100644
--- a/app/Endpoint/Api/Http/Controllers/ShareBgController.php
+++ b/app/Endpoint/Api/Http/Controllers/ShareBgController.php
@@ -32,8 +32,7 @@ class ShareBgController extends Controller
             $disk = Storage::disk('public');
             $app = $this->getWechatApp();
             $scene = http_build_query([
-                'invite_code' =>  $user->userInfo->code,
-                'a' => 1
+                'invite_code' =>  $user->userInfo->code
             ]);
 
             $response = $app->app_code->getUnlimit($scene, [