diff --git a/extension/xuanxuan/extension/xuan/conference/ext/ui/admin.html.php b/extension/xuanxuan/extension/xuan/conference/ext/ui/admin.html.php
index 1ba5bde734..9e68196072 100644
--- a/extension/xuanxuan/extension/xuan/conference/ext/ui/admin.html.php
+++ b/extension/xuanxuan/extension/xuan/conference/ext/ui/admin.html.php
@@ -39,7 +39,6 @@ formPanel(
             set::disabled(true),
             set::value(empty($domain) ? '' : $domain),
             set::placeholder($lang->conference->notset)
-
         )
     )
 );