diff --git a/HttpServer/Events/OnPipeMessage.php b/HttpServer/Events/OnPipeMessage.php
index 98b4544b..1629335b 100644
--- a/HttpServer/Events/OnPipeMessage.php
+++ b/HttpServer/Events/OnPipeMessage.php
@@ -47,7 +47,7 @@ class OnPipeMessage extends Callback
 			throw new Exception('unknown handler');
 		}
 		/** @var Crontab $handler */
-		$handler = swoole_unserialize($message['handler']);
+		$handler = $message['handler'];
 		defer(function () use ($handler) {
 			if ($handler->isRecover() !== 999) {
 				return;
diff --git a/System/Crontab/Zookeeper.php b/System/Crontab/Zookeeper.php
index 6b774ec9..d626f0b1 100644
--- a/System/Crontab/Zookeeper.php
+++ b/System/Crontab/Zookeeper.php
@@ -86,7 +86,7 @@ class Zookeeper extends Process
             if (empty($handler = $redis->get('crontab:' . $value))) {
                 return;
             }
-            $params['handler'] = $handler;
+            $params['handler'] = swoole_unserialize($handler);
 
             $this->server->sendMessage($params, $this->getWorker());
         } catch (Throwable $exception) {