diff --git a/ball-bukkit/src/main/java/cn/hamster3/mc/plugin/ball/bukkit/listener/UpdatePlayerInfoListener.java b/ball-bukkit/src/main/java/cn/hamster3/mc/plugin/ball/bukkit/listener/UpdatePlayerInfoListener.java
index 38e0a0f..2f4e0b7 100644
--- a/ball-bukkit/src/main/java/cn/hamster3/mc/plugin/ball/bukkit/listener/UpdatePlayerInfoListener.java
+++ b/ball-bukkit/src/main/java/cn/hamster3/mc/plugin/ball/bukkit/listener/UpdatePlayerInfoListener.java
@@ -15,6 +15,13 @@ import java.util.Map;
 import java.util.UUID;
 import java.util.concurrent.ConcurrentHashMap;
 
+/**
+ * 通常情况下由代理端负责更新玩家信息
+ * <p>
+ * 除非在配置文件中启用了 game-server-update-player-info
+ * <p>
+ * 否则这个监听器不会被启用
+ */
 public class UpdatePlayerInfoListener implements Listener {
     public static final UpdatePlayerInfoListener INSTANCE = new UpdatePlayerInfoListener();