diff --git a/HttpServer/Abstracts/Callback.php b/HttpServer/Abstracts/Callback.php
index 5cca09fb..ee3145d1 100644
--- a/HttpServer/Abstracts/Callback.php
+++ b/HttpServer/Abstracts/Callback.php
@@ -16,6 +16,11 @@ use Snowflake\Snowflake;
 use Swoole\Coroutine\Server;
 use Swoole\Timer;
 
+
+/**
+ * Class Callback
+ * @package HttpServer\Abstracts
+ */
 abstract class Callback extends Application
 {