diff --git a/application/api/controller/User.php b/application/api/controller/User.php
index 0b7fed5..f8bcdc9 100644
--- a/application/api/controller/User.php
+++ b/application/api/controller/User.php
@@ -630,7 +630,7 @@ class User extends Base
 
         //将海报背景保存到本地
         $share = json_decode(\addons\shopro\model\Config::where(['name' => 'share'])->value('value'), true);
-        $user_poster_bg = ROOT_PATH.'public/assets/img/miniProgram/user_poster_bg.png';
+        $user_poster_bg = $dir.'/user_poster_bg.png';
         file_put_contents($user_poster_bg,file_get_contents(cdnurl($share['user_poster_bg'])));
         // halt(request()->domain().'/'.$qrcode);
         // 生成海报