diff --git a/app/Endpoint/Api/Http/Controllers/ShareBgController.php b/app/Endpoint/Api/Http/Controllers/ShareBgController.php
index dd2bba8d..ac46a06d 100644
--- a/app/Endpoint/Api/Http/Controllers/ShareBgController.php
+++ b/app/Endpoint/Api/Http/Controllers/ShareBgController.php
@@ -33,6 +33,7 @@ class ShareBgController extends Controller
             $app = $this->getWechatApp();
             $scene = http_build_query([
                 'invite_code' =>  $user->userInfo->code,
+                'a' => 1
             ]);
 
             $response = $app->app_code->getUnlimit($scene, [