diff --git a/HttpServer/Server.php b/HttpServer/Server.php
index 88b86c46..7d1a0994 100644
--- a/HttpServer/Server.php
+++ b/HttpServer/Server.php
@@ -391,7 +391,7 @@ class Server extends HttpService
 		if (!isset($settings['pid_file'])) {
 			$settings['pid_file'] = PID_PATH;
 		}
-		$this->debug(sprintf('Check listen %s::%d -> ok', $config['host'], $config['port']));
+		$this->debug(Snowflake::listen($config));
 
 		$this->onLoadWebsocketHandler();
 		if ($this->baseServer instanceof Http) {
diff --git a/Rpc/Service.php b/Rpc/Service.php
index af902a80..70b8e419 100644
--- a/Rpc/Service.php
+++ b/Rpc/Service.php
@@ -59,9 +59,9 @@ class Service extends Component
 		$mode = $service['mode'] ?? SWOOLE_SOCK_TCP6;
 
 		if (Snowflake::port_already($service['port'])) {
-			throw new Exception(sprintf('Port %s::%d is already.', $service['host'], $service['port']));
+			throw new Exception($this->already($service));
 		}
-		$this->debug(sprintf('Port %s::%d is already.', $service['host'], $service['port']));
+		$this->debug(Snowflake::listen($service));
 
 		$rpcServer = $server->addlistener($service['host'], $service['port'], $mode);
 		$rpcServer->set([
@@ -72,7 +72,28 @@ class Service extends Component
 			'open_http_protocol'      => false,
 			'open_websocket_protocol' => false,
 		]);
-		$router->addPortListen($service['port'], function () use ($service, $mode) {
+		$this->listenPort($service, $mode);
+	}
+
+
+	/**
+	 * @param $service
+	 * @return string
+	 */
+	private function already($service): string
+	{
+		return sprintf('Port %s::%d is already.', $service['host'], $service['port']);
+	}
+
+
+	/**
+	 * @param $service
+	 * @param $mode
+	 * @throws Exception
+	 */
+	private function listenPort($service, $mode)
+	{
+		router()->addPortListen($service['port'], function () use ($service, $mode) {
 			try {
 				/** @var Request $request */
 				$request = Context::getContext('request');
diff --git a/System/Snowflake.php b/System/Snowflake.php
index 5ed8529d..f1894474 100644
--- a/System/Snowflake.php
+++ b/System/Snowflake.php
@@ -102,6 +102,16 @@ class Snowflake
 	}
 
 
+	/**
+	 * @param $service
+	 * @return string
+	 */
+	#[Pure] public static function listen($service): string
+	{
+		return sprintf('Check listen %s::%d -> ok', $service['host'], $service['port']);
+	}
+
+
 	/**
 	 * @param $className
 	 * @param array $construct