diff --git a/HttpServer/Events/OnPipeMessage.php b/HttpServer/Events/OnPipeMessage.php
index 212a0fbe..1ec41374 100644
--- a/HttpServer/Events/OnPipeMessage.php
+++ b/HttpServer/Events/OnPipeMessage.php
@@ -29,6 +29,7 @@ class OnPipeMessage extends Callback
     public function onHandler(Server $server, int $src_worker_id, $message)
     {
         // TODO: Implement onHandler() method.
+        var_dump($message);
         if (is_array($message) && ($message[1] ?? null) instanceof Loader) {
             if ($src_worker_id > $server->setting['worker_num']) {
                 $message[1]->loadByDirectory(MODEL_PATH);