diff --git a/welcome.html b/welcome.html
index b365ffb..13861fe 100644
--- a/welcome.html
+++ b/welcome.html
@@ -93,7 +93,7 @@ input:focus { border-color: #1371FF; }
 </div>
 
 <script>
-var API = '';  // 同源，使用相对路径
+var API = 'http://127.0.0.1:8123';  // 强制 IPv4 避免 ::1 被 ban
 var token = localStorage.getItem('pxh_token');
 
 async function api(method, path, body) {