diff --git a/src/Service.php b/src/Service.php
index 1777f14..d813429 100644
--- a/src/Service.php
+++ b/src/Service.php
@@ -1,30 +1,33 @@
-<?php
-// +----------------------------------------------------------------------
-// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
-// +----------------------------------------------------------------------
-// | Copyright (c) 2006-2018 http://thinkphp.cn All rights reserved.
-// +----------------------------------------------------------------------
-// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
-// +----------------------------------------------------------------------
-// | Author: liu21st <liu21st@gmail.com>
-// +----------------------------------------------------------------------
-namespace think\app;
-
-use think\Service as BaseService;
-
-class Service extends BaseService
-{
-    public function register()
-    {
-        $this->app->middleware->unshift(MultiApp::class);
-
-        $this->commands([
-            'build' => command\Build::class,
-            'clear' => command\Clear::class,
-        ]);
-
-        $this->app->bind([
-            'think\route\Url' => Url::class,
-        ]);
-    }
-}
+<?php
+// +----------------------------------------------------------------------
+// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
+// +----------------------------------------------------------------------
+// | Copyright (c) 2006-2018 http://thinkphp.cn All rights reserved.
+// +----------------------------------------------------------------------
+// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
+// +----------------------------------------------------------------------
+// | Author: liu21st <liu21st@gmail.com>
+// +----------------------------------------------------------------------
+namespace think\app;
+
+use think\facade\Event;
+use think\Service as BaseService;
+
+class Service extends BaseService
+{
+    public function register()
+    {
+        Event::listen('HttpRun', function () {
+            $this->app->middleware->add(MultiApp::class);
+        });
+
+        $this->commands([
+            'build' => command\Build::class,
+            'clear' => command\Clear::class,
+        ]);
+
+        $this->app->bind([
+            'think\route\Url' => Url::class,
+        ]);
+    }
+}