diff --git a/src/MainFrame.java b/src/MainFrame.java
index 79b514d..2367b32 100644
--- a/src/MainFrame.java
+++ b/src/MainFrame.java
@@ -7,6 +7,8 @@ import Base.Question;
 
 import javax.swing.*;
 import java.awt.*;
+import java.util.List;
+
 public class MainFrame extends JFrame {
     private final User_service userService;
     private Exam_service examService;
@@ -49,13 +51,13 @@ public class MainFrame extends JFrame {
         createGradeSelectionPanel();
         createExamPanel();
         createResultPanel();
+        createWrongQuestionsPanel(); // 新增错题面板
         createPasswordChangePanel();
 
         add(mainPanel);
         showLoginPanel();
     }
 
-    // 其他面板创建方法保持不变...
     private void createLoginPanel() {
         JPanel panel = new JPanel(new BorderLayout(10, 10));
         panel.setBorder(BorderFactory.createEmptyBorder(50, 100, 50, 100));
@@ -254,19 +256,58 @@ public class MainFrame extends JFrame {
 
         JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.CENTER, 30, 20));
 
+        // 新增查看错题按钮
+        JButton reviewButton = createStyledButton("查看错题");
+        reviewButton.addActionListener(e -> showWrongQuestions());
+        buttonPanel.add(reviewButton);
+
         JButton continueButton = createStyledButton("继续做题");
         continueButton.addActionListener(e -> showGradeSelectionPanel());
+        buttonPanel.add(continueButton);
 
         JButton exitButton = createStyledButton("退出程序");
         exitButton.addActionListener(e -> System.exit(0));
-
-        buttonPanel.add(continueButton);
         buttonPanel.add(exitButton);
+
         panel.add(buttonPanel, BorderLayout.SOUTH);
 
         mainPanel.add(panel, "Result");
     }
 
+    private void createWrongQuestionsPanel() {
+        JPanel panel = new JPanel(new BorderLayout(10, 10));
+        panel.setBorder(BorderFactory.createEmptyBorder(20, 40, 20, 40));
+
+        // 标题
+        JLabel titleLabel = new JLabel("错题回顾", JLabel.CENTER);
+        titleLabel.setFont(new Font("微软雅黑", Font.BOLD, 20));
+        panel.add(titleLabel, BorderLayout.NORTH);
+
+        // 错题内容区域（使用滚动面板）
+        JTextArea wrongQuestionsArea = new JTextArea();
+        wrongQuestionsArea.setFont(new Font("微软雅黑", Font.PLAIN, 14));
+        wrongQuestionsArea.setEditable(false);
+        wrongQuestionsArea.setLineWrap(true);
+        wrongQuestionsArea.setWrapStyleWord(true);
+
+        JScrollPane scrollPane = new JScrollPane(wrongQuestionsArea);
+        scrollPane.setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));
+        panel.add(scrollPane, BorderLayout.CENTER);
+
+        // 存储错题文本区域引用
+        panel.putClientProperty("wrongQuestionsArea", wrongQuestionsArea);
+
+        // 返回按钮
+        JPanel bottomPanel = new JPanel(new FlowLayout(FlowLayout.CENTER));
+        JButton backButton = createStyledButton("返回成绩");
+        backButton.addActionListener(e -> showResultPanel());
+        bottomPanel.add(backButton);
+
+        panel.add(bottomPanel, BorderLayout.SOUTH);
+
+        mainPanel.add(panel, "WrongQuestions");
+    }
+
     private void createPasswordChangePanel() {
         JPanel panel = new JPanel(new BorderLayout(10, 10));
         panel.setBorder(BorderFactory.createEmptyBorder(50, 100, 50, 100));
@@ -365,6 +406,10 @@ public class MainFrame extends JFrame {
         cardLayout.show(mainPanel, "Result");
     }
 
+    private void showWrongQuestionsPanel() {
+        cardLayout.show(mainPanel, "WrongQuestions");
+    }
+
     // 业务逻辑方法
     private void login() {
         String id = loginIdField.getText().trim();
@@ -442,7 +487,6 @@ public class MainFrame extends JFrame {
         }
     }
 
-    // 关键修改：使用Question类的实际方法
     private void showCurrentQuestion() {
         Question question = examService.get_now_question();
         if (question != null) {
@@ -452,17 +496,14 @@ public class MainFrame extends JFrame {
             questionNumberLabel.setText(String.format("第 %d 题 / 共 %d 题",
                     currentIndex + 1, totalQuestions));
 
-            // 使用Question类的toString()方法显示题目
             questionLabel.setText("<html><div style='text-align: center; font-size: 16px;'>" +
                     question.toString() + "</div></html>");
 
-            // 使用Question类的getOptions方法显示选项
             for (int i = 0; i < 4; i++) {
                 String optionText = question.getOptions(i);
                 optionButtons[i].setText("选项 " + (char)('A' + i) + ": " + optionText);
             }
 
-            // 恢复用户已选择的答案
             Integer userAnswer = examService.get_user_answer(currentIndex);
             optionGroup.clearSelection();
             if (userAnswer != null && userAnswer >= 0 && userAnswer < 4) {
@@ -523,7 +564,6 @@ public class MainFrame extends JFrame {
         return -1;
     }
 
-    // 关键修改：使用Exam_result类的实际方法显示详细结果
     private void showExamResult() {
         Exam_result result = examService.calculate_result();
 
@@ -549,6 +589,63 @@ public class MainFrame extends JFrame {
         showResultPanel();
     }
 
+    // 新增：查看错题功能
+    // 修正：查看错题功能 - 简洁显示
+    private void showWrongQuestions() {
+        // 获取考试结果
+        Exam_result result = examService.calculate_result();
+        java.util.List<Integer> wrongQuestionIndices = result.getWrongQuestions();
+
+        if (wrongQuestionIndices.isEmpty()) {
+            JOptionPane.showMessageDialog(this, "恭喜！本次考试没有错题！");
+            return;
+        }
+
+        // 获取错题面板和文本区域
+        JPanel wrongQuestionsPanel = (JPanel) mainPanel.getComponent(5); // 第6个面板是错题面板
+        JTextArea wrongQuestionsArea = (JTextArea) ((JScrollPane) wrongQuestionsPanel.getComponent(1)).getViewport().getView();
+
+        // 构建错题显示内容
+        StringBuilder sb = new StringBuilder();
+        sb.append("本次考试共有 ").append(wrongQuestionIndices.size()).append(" 道错题：\n\n");
+
+        java.util.ArrayList<Question> paper = examService.get_paper();
+
+        for (int i = 0; i < wrongQuestionIndices.size(); i++) {
+            int questionIndex = wrongQuestionIndices.get(i);
+            Question question = paper.get(questionIndex);
+
+            // 只显示一个题号
+            sb.append("第 ").append(questionIndex + 1).append(" 题：");
+            sb.append(question.toString()).append("\n");
+
+            // 显示所有选项，在正确答案后打勾
+            sb.append("选项：\n");
+            for (int j = 0; j < 4; j++) {
+                char optionChar = (char) ('A' + j);
+                sb.append("  ").append(optionChar).append(". ").append(question.getOptions(j));
+
+                // 标记正确答案
+                if (question.getOptions(j).equals(question.getAnswer())) {
+                    sb.append(" √");
+                }
+
+                // 标记用户选择的错误答案
+                Integer userAnswer = examService.get_user_answer(questionIndex);
+                if (userAnswer != null && userAnswer == j && !question.getOptions(j).equals(question.getAnswer())) {
+                    sb.append(" X");
+                }
+
+                sb.append("\n");
+            }
+
+            sb.append("\n");
+            sb.append("-".repeat(50)).append("\n\n");
+        }
+
+        wrongQuestionsArea.setText(sb.toString());
+        showWrongQuestionsPanel();
+    }
     private void changePassword(String email, String oldPassword, String newPassword, String confirmPassword) {
         if (email.isEmpty() || oldPassword.isEmpty() || newPassword.isEmpty()) {
             JOptionPane.showMessageDialog(this, "请填写所有字段");
@@ -573,4 +670,11 @@ public class MainFrame extends JFrame {
         examService = null;
         showLoginPanel();
     }
+
+    // 主函数
+    public static void main(String[] args) {
+        SwingUtilities.invokeLater(() -> {
+            new MainFrame().setVisible(true);
+        });
+    }
 }
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