diff --git a/Abstracts/AsyncServer.php b/Abstracts/AsyncServer.php
index 222b013..09c59df 100644
--- a/Abstracts/AsyncServer.php
+++ b/Abstracts/AsyncServer.php
@@ -89,15 +89,17 @@ class AsyncServer implements ServerInterface
 
 
 	/**
-	 * @return void
+	 * @return bool
 	 * @throws ContainerExceptionInterface
 	 * @throws NotFoundExceptionInterface|ReflectionException
 	 */
-	public function shutdown(): void
+	public function shutdown(): bool
 	{
 		$this->server->shutdown();
 
 		$this->dispatch->dispatch(new OnShutdown());
+
+		return true;
 	}
 
 
diff --git a/Contract/OnReceiveInterface.php b/Contract/OnReceiveInterface.php
index 149ca5d..2e2775e 100644
--- a/Contract/OnReceiveInterface.php
+++ b/Contract/OnReceiveInterface.php
@@ -19,7 +19,7 @@ interface OnReceiveInterface
 	 * @param string $data
 	 * @return void
 	 */
-	public function onReceive(Server $server, int $fd, int $reactor_id, string $data): void;
+	public function onReceive(Server $server, int $fd, int $reactor_id, string $data): bool;
 
 
 }
diff --git a/Handler/OnServerManager.php b/Handler/OnServerManager.php
index 5c3db22..d9a6d34 100644
--- a/Handler/OnServerManager.php
+++ b/Handler/OnServerManager.php
@@ -34,7 +34,7 @@ class OnServerManager extends Server
 	 * @param \Swoole\Server $server
 	 * @throws ConfigException
 	 * @throws ContainerExceptionInterface
-	 * @throws NotFoundExceptionInterface
+	 * @throws NotFoundExceptionInterface|ReflectionException
 	 */
 	public function onManagerStart(\Swoole\Server $server)
 	{
@@ -46,10 +46,12 @@ class OnServerManager extends Server
 
 	/**
 	 * @param \Swoole\Server $server
+	 * @return void
 	 * @throws ContainerExceptionInterface
 	 * @throws NotFoundExceptionInterface
+	 * @throws ReflectionException
 	 */
-	public function onManagerStop(\Swoole\Server $server)
+	public function onManagerStop(\Swoole\Server $server): void
 	{
 		$this->dispatch->dispatch(new OnManagerStop($server));
 	}