diff --git a/Supermarket/src/com/lingnan/supermarket/view/MainView.java b/Supermarket/src/com/lingnan/supermarket/view/MainView.java
index 0dfd24f..e75e70f 100644
--- a/Supermarket/src/com/lingnan/supermarket/view/MainView.java
+++ b/Supermarket/src/com/lingnan/supermarket/view/MainView.java
@@ -65,6 +65,8 @@ public class MainView extends BaseView implements ActionListener, MouseListener,
 	JButton saveBtn, unSaveBtn, cancleBtn; // 退出时的按钮
 
 	Timer timer; // 定时器，用于更新时间
+	//定时器 ，
+	//用于更新时间
 
 	private User user; // 从登录界面传过来的用户信息
 	private BufferImpl bufferImpl; // 缓存实现类