diff --git a/HttpServer/Command.php b/HttpServer/Command.php
index e75e5f9c..e5e429f7 100644
--- a/HttpServer/Command.php
+++ b/HttpServer/Command.php
@@ -22,25 +22,32 @@ class Command extends \Console\Command
 	public $description = 'server start|stop|reload|restart';
 
 
+	const ACTIONS = ['start', 'stop', 'restart'];
+
+
 	/**
 	 * @param Input $dtl
-	 * @throws ConfigException
-	 * @throws Exception
 	 * @return mixed|void
+	 * @throws Exception
+	 * @throws ConfigException
 	 */
 	public function onHandler(Input $dtl)
 	{
 		$manager = Snowflake::app()->server;
 		$manager->setDaemon($dtl->get('daemon', 0));
-		if ($manager->isRunner()) {
-			$manager->shutdown();
+
+		if (!in_array($dtl->get('action'), self::ACTIONS)) {
+			return $this->error('I don\'t know what I want to do.');
 		}
+
+		if ($manager->isRunner() && $dtl->get('action') == 'start') {
+			return $this->error('Service is running. Please use restart.');
+		}
+
+		$manager->shutdown();
 		if ($dtl->get('action') == 'stop') {
 			return;
 		}
-		if (!in_array($dtl->get('action'), ['start', 'restart'])) {
-			return $this->error('I don\'t know what I want to do.');
-		}
 		$manager->start();
 	}
 
diff --git a/HttpServer/Events/OnWorkerStart.php b/HttpServer/Events/OnWorkerStart.php
index b82d5899..e0ef12ed 100644
--- a/HttpServer/Events/OnWorkerStart.php
+++ b/HttpServer/Events/OnWorkerStart.php
@@ -31,7 +31,7 @@ class OnWorkerStart extends Callback
 	 * @return mixed|void
 	 * @throws Exception
 	 */
-	public function onHandler(Server $server, $worker_id)
+	public function onHandler(Server $server, int $worker_id)
 	{
 		Snowflake::setWorkerId($server->worker_pid);
 
@@ -42,15 +42,14 @@ class OnWorkerStart extends Callback
 		if ($worker_id >= $server->setting['worker_num']) {
 			return;
 		}
-		$this->setWorkerAction($server, $worker_id);
+		$this->setWorkerAction($worker_id);
 	}
 
 	/**
 	 * @param $worker_id
-	 * @param  $socket
 	 * @throws Exception
 	 */
-	private function setWorkerAction($socket, $worker_id)
+	private function setWorkerAction($worker_id)
 	{
 		try {
 			$this->debug(sprintf('Worker #%d is start.....', $worker_id));
@@ -58,7 +57,7 @@ class OnWorkerStart extends Callback
 			if (!$event->exists(Event::SERVER_WORKER_START)) {
 				return;
 			}
-			$event->trigger(Event::SERVER_WORKER_START);
+			$event->trigger(Event::SERVER_WORKER_START, [$worker_id]);
 		} catch (\Throwable $exception) {
 			Snowflake::app()->getLogger()->write($exception->getMessage(), 'worker');
 		}
diff --git a/Queue/Queue.php b/Queue/Queue.php
index 304a1646..a7877f2e 100644
--- a/Queue/Queue.php
+++ b/Queue/Queue.php
@@ -48,10 +48,6 @@ class Queue extends \Snowflake\Process\Process
 		$this->waiting = Snowflake::createObject(Waiting::class);
 		$this->running = Snowflake::createObject(Running::class);
 		$this->complete = Snowflake::createObject(Complete::class);
-
-		Process::signal(9 | 15, function () {
-			$this->shutdown = true;
-		});
 	}
 
 
diff --git a/System/Process/Process.php b/System/Process/Process.php
index b0102596..19e23684 100644
--- a/System/Process/Process.php
+++ b/System/Process/Process.php
@@ -38,5 +38,4 @@ abstract class Process extends \Swoole\Process
 		Snowflake::setWorkerId($this->pid);
 	}
 
-
 }