diff --git a/http-handler/Handler.php b/http-handler/Handler.php
index bd575866..9730dcb4 100644
--- a/http-handler/Handler.php
+++ b/http-handler/Handler.php
@@ -39,6 +39,9 @@ class Handler
 
 		$dispatcher = Kiri::getDi()->get(EventProvider::class);
 		$dispatcher->on(OnAfterWorkerStart::class, function () {
+			if ($this->route instanceof Closure) {
+				return;
+			}
 			$this->_middlewares = MiddlewareManager::get($this->route);
 		});
 	}