增加了可读性以及注释，方便组内学习

src/main/java/com/mtz/qqbot/Listener/TestListener.java

@@ -13,17 +13,17 @@ public class TestListener extends MessageListener {
     @RobotListenerHandler//接收来自好友的消息，打印到控制台
     public void handleMessage(FriendMessageEvent event) {
         String message = event.getMessage().contentToString();
-        System.out.println(message);
+        System.out.println("好友消息：" + message);
     }
 
     @RobotListenerHandler//接收来自群聊的消息，打印到控制台
     public void handleGroupMessage(GroupMessageEvent event) {
         String message = event.getMessage().contentToString();
-        System.out.println(message);
+        System.out.println("群聊消息：" + message);
     }
 
     public TestListener() {
-        super(List.of("原神", "OP"), true);
+        super(List.of("原神", "OP"), true);//自定义违禁词
     }
 
     @RobotListenerHandler(contactId = 518909220)//当有人发违禁词自动撤回并禁言一分钟
@@ -34,6 +34,5 @@ public class TestListener extends MessageListener {
             Thread.sleep(500);//防止操作太快被腾讯封禁
             this.recallMessage(event.getMessage());
         }
-
     }
 }