diff --git a/sd.php b/sd.php
index 5b1986d..b2260b1 100644
--- a/sd.php
+++ b/sd.php
@@ -9,7 +9,7 @@ use Workerman\RabbitMQ\Client;
 require_once __DIR__ . '/vendor/autoload.php';
 
 $worker = new Worker();
-$worker->eventLoop = \Workerman\Events\Fiber::class;
+$worker->eventLoop = \Workerman\Events\Swoole::class;
 
 $worker->onWorkerStart = function() {
     // Create RabbitMQ Client