diff --git a/Abstracts/TraitServer.php b/Abstracts/TraitServer.php
index 2bac9f5..628b991 100644
--- a/Abstracts/TraitServer.php
+++ b/Abstracts/TraitServer.php
@@ -109,7 +109,7 @@ trait TraitServer
 	public function getCoroutineServerClass($type): ?string
 	{
 		return match ($type) {
-			Constant::SERVER_TYPE_BASE, Constant::SERVER_TYPE_TCP, Constant::SERVER_TYPE_UDP => Server::class,
+			Constant::SERVER_TYPE_BASE, Constant::SERVER_TYPE_TCP, Constant::SERVER_TYPE_UDP => \Swoole\Coroutine\Server::class,
 			Constant::SERVER_TYPE_HTTP, Constant::SERVER_TYPE_WEBSOCKET => \Swoole\Coroutine\Http\Server::class,
 			default => null
 		};