diff --git a/Calculator.java b/Calculator.java
index 4ec58ed..885082f 100644
--- a/Calculator.java
+++ b/Calculator.java
@@ -26,7 +26,7 @@ public class Calculator extends JFrame {
         panel.setLayout(new GridLayout(5, 4, 5, 5)); // 设置间距
 
         // 创建数字和运算符按钮
-        String[] buttons = {"7", "8", "9", "/", "4", "5", "6", "*", "1", "2", "3", "-", "0", ".", "=", "+", "C", "Backspace"};
+        String[] buttons = {"7", "8", "9", "/", "4", "5", "6", "*", "1", "2", "3", "-", "0", ".", "=", "+", "C", "=》"};
         for (String b : buttons) {
             JButton button = new JButton(b);
             panel.add(button);
@@ -37,9 +37,9 @@ public class Calculator extends JFrame {
         add(panel, BorderLayout.CENTER);
 
         // 设置窗口属性
-        setSize(300, 400); // 设置窗口大小
+        setSize(500, 600); // 设置窗口大小
         setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
-        setTitle("Simple Calculator");
+        setTitle("计算器");
         setVisible(true);
     }