diff --git a/RpcJsonp.php b/RpcJsonp.php
index e6c16bd..2db5edc 100644
--- a/RpcJsonp.php
+++ b/RpcJsonp.php
@@ -296,7 +296,7 @@ class RpcJsonp extends Component implements OnConnectInterface, OnReceiveInterfa
 	 * @param int $fd
 	 * @return void
 	 */
-	public function onClose(int $fd): void
+	public function OnClose(int $fd): void
 	{
 		// TODO: Implement onClose() method.
 	}