diff --git a/src/Router.php b/src/Router.php
index c0e1f7e..925c4ad 100644
--- a/src/Router.php
+++ b/src/Router.php
@@ -4,6 +4,7 @@ declare(strict_types=1);
 namespace Kiri\Router;
 
 use Closure;
+use Kiri\Server\Events\OnWorkerStart;
 use Kiri;
 use Kiri\Abstracts\CoordinatorManager;
 use Kiri\Coordinator;
@@ -174,9 +175,9 @@ class Router
     /**
      * @throws
      */
-    public function scan_build_route(): void
+    public function scan_build_route(OnWorkerStart $onWorkerStart): void
     {
-        var_dump(func_get_args());
+        var_dump($onWorkerStart->workerId);
 
         $coordinator = CoordinatorManager::utility(Coordinator::WORKER_START);