diff --git a/app/controller/Index.php b/app/controller/Index.php
index 4bae8eed2..27c1c62ca 100644
--- a/app/controller/Index.php
+++ b/app/controller/Index.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace app\controller;
 
 use app\BaseController;
@@ -7,7 +8,7 @@ class Index extends BaseController
 {
     public function index()
     {
-        return '<style>*{ padding: 0; margin: 0; }</style><iframe src="https://www.thinkphp.cn/welcome" width="100%" height="100%" frameborder="0" scrolling="auto"></iframe>';
+        return '<style>*{ padding: 0; margin: 0; }</style><iframe src="https://www.thinkphp.cn/welcome?version=' . \think\facade\App::version() . '" width="100%" height="100%" frameborder="0" scrolling="auto"></iframe>';
     }
 
     public function hello($name = 'ThinkPHP8')