diff --git a/System/Crontab/Zookeeper.php b/System/Crontab/Zookeeper.php
index 5ce89352..18ad15f5 100644
--- a/System/Crontab/Zookeeper.php
+++ b/System/Crontab/Zookeeper.php
@@ -5,13 +5,12 @@ namespace Snowflake\Crontab;
 
 
 use Exception;
-use HttpServer\Server;
 use Snowflake\Abstracts\Config;
 use Snowflake\Cache\Redis;
 use Snowflake\Exception\ConfigException;
 use Snowflake\Process\Process;
 use Snowflake\Snowflake;
-use Swoole\Coroutine;
+use Swoole\Timer;
 use Throwable;
 
 /**
@@ -22,57 +21,65 @@ class Zookeeper extends Process
 {
 
 
-    private int $workerNum = 0;
+	private int $workerNum = 0;
 
 
-    private mixed $server;
+	private mixed $server;
 
 
 	/**
 	 * @return string
 	 * @throws ConfigException
 	 */
-    public function getProcessName(): string
-    {
-        $name = Config::get('id', 'system') . '[' . $this->pid . ']';
-        if (!empty($prefix)) {
-            $name .= '.Crontab zookeeper';
-        }
-        return $name;
-    }
+	public function getProcessName(): string
+	{
+		$name = Config::get('id', 'system') . '[' . $this->pid . ']';
+		if (!empty($prefix)) {
+			$name .= '.Crontab zookeeper';
+		}
+		return $name;
+	}
 
 
-    /**
-     * @param \Swoole\Process $process
-     * @throws Exception
-     */
-    public function before(\Swoole\Process $process): void
-    {
-        /** @var Producer $crontab */
-        $crontab = Snowflake::app()->get('crontab');
-        $crontab->clearAll();
+	/**
+	 * @param \Swoole\Process $process
+	 * @throws Exception
+	 */
+	public function before(\Swoole\Process $process): void
+	{
+		/** @var Producer $crontab */
+		$crontab = Snowflake::app()->get('crontab');
+		$crontab->clearAll();
 
-        $this->server = $server = Snowflake::app()->getSwoole();
-        $this->workerNum = $server->setting['worker_num'] + $server->setting['task_worker_num'];
-    }
+		$this->server = $server = Snowflake::app()->getSwoole();
+		$this->workerNum = $server->setting['worker_num'] + $server->setting['task_worker_num'];
+	}
 
 
-    /**
-     * @param \Swoole\Process $process
-     * @throws Exception
-     */
-    public function onHandler(\Swoole\Process $process): void
-    {
-        $redis = Snowflake::app()->getRedis();
-        while (true) {
-            $range = $this->loadCarobTask($redis);
-            var_dump($range);
-            foreach ($range as $value) {
-                $this->dispatch($redis, $value);
-            }
-            Coroutine::sleep(80);
-        }
-    }
+	/**
+	 * @param \Swoole\Process $process
+	 * @throws Exception
+	 */
+	public function onHandler(\Swoole\Process $process): void
+	{
+		Timer::tick(80, [$this, 'loop']);
+	}
+
+
+	/**
+	 * @throws ConfigException
+	 * @throws Exception
+	 */
+	public function loop()
+	{
+		$redis = Snowflake::app()->getRedis();
+		defer(fn() => $redis->release());
+		$range = $this->loadCarobTask($redis);
+		var_dump($range);
+		foreach ($range as $value) {
+			$this->dispatch($redis, $value);
+		}
+	}
 
 
 	/**
@@ -80,43 +87,43 @@ class Zookeeper extends Process
 	 * @param $value
 	 * @throws Exception
 	 */
-    private function dispatch(Redis|\Redis $redis, $value)
-    {
-        try {
-            $params['action'] = 'crontab';
-            if (empty($handler = $redis->get('crontab:' . $value))) {
-                return;
-            }
-            $params['handler'] = swoole_unserialize($handler);
+	private function dispatch(Redis|\Redis $redis, $value)
+	{
+		try {
+			$params['action'] = 'crontab';
+			if (empty($handler = $redis->get('crontab:' . $value))) {
+				return;
+			}
+			$params['handler'] = swoole_unserialize($handler);
 
-            $this->server->sendMessage($params, $this->getWorker());
-        } catch (Throwable $exception) {
-            logger()->addError($exception);
-        }
-    }
+			$this->server->sendMessage($params, $this->getWorker());
+		} catch (Throwable $exception) {
+			logger()->addError($exception);
+		}
+	}
 
 
-    /**
-     * @return int
-     * @throws \Exception
-     */
-    private function getWorker(): int
-    {
-        return random_int(0, $this->workerNum - 1);
-    }
+	/**
+	 * @return int
+	 * @throws \Exception
+	 */
+	private function getWorker(): int
+	{
+		return random_int(0, $this->workerNum - 1);
+	}
 
 
 	/**
 	 * @param Redis|\Redis $redis
 	 * @return array
 	 */
-    private function loadCarobTask(Redis|\Redis $redis): array
-    {
-        $range = $redis->zRangeByScore(Producer::CRONTAB_KEY, '0', (string)time());
+	private function loadCarobTask(Redis|\Redis $redis): array
+	{
+		$range = $redis->zRangeByScore(Producer::CRONTAB_KEY, '0', (string)time());
 
-        $redis->zRem(Producer::CRONTAB_KEY, ...$range);
+		$redis->zRem(Producer::CRONTAB_KEY, ...$range);
 
-        return $range;
-    }
+		return $range;
+	}
 
 }