diff --git a/data/users.json b/data/users.json
index 34c9019..2ada8b1 100644
--- a/data/users.json
+++ b/data/users.json
@@ -5,5 +5,5 @@
   "registrationDate" : [ 2025, 10, 10, 11, 7, 5, 853200500 ],
   "verificationCode" : "688201",
   "verified" : true,
-  "type" : "高中"
+  "type" : "小学"
 } ]
\ No newline at end of file
diff --git a/src/main/java/mathlearning/ui/MainFrame.java b/src/main/java/mathlearning/ui/MainFrame.java
index 74aca54..18b6a0f 100644
--- a/src/main/java/mathlearning/ui/MainFrame.java
+++ b/src/main/java/mathlearning/ui/MainFrame.java
@@ -64,7 +64,7 @@ public class MainFrame extends JFrame {
         selfTestButton.setBackground(new Color(34, 139, 34));
         selfTestButton.setForeground(Color.WHITE);
         selfTestButton.setPreferredSize(new Dimension(200, 60));
-        //selfTestButton.addActionListener(new SelfTestListener());
+        selfTestButton.addActionListener(e -> openSelfTestFrame());
 
         centerButtonPanel.add(changeTypeButton);
         centerButtonPanel.add(selfTestButton);
@@ -76,7 +76,7 @@ public class MainFrame extends JFrame {
         // 退出登录按钮
         JButton logoutButton = new JButton("退出登录");
         logoutButton.setFont(new Font("微软雅黑", Font.PLAIN, 14));
-        logoutButton.setBackground(new Color(220, 20, 60));
+        logoutButton.setBackground(Color.CYAN);
         logoutButton.setForeground(Color.WHITE);
         logoutButton.addActionListener(new LogoutListener());
 
@@ -146,4 +146,30 @@ public class MainFrame extends JFrame {
             dispose();
         }
     }
+
+    private void openSelfTestFrame() {
+        String input = JOptionPane.showInputDialog(MainFrame.this, "请输入题目数量：（10-30）", "题目数量", JOptionPane.QUESTION_MESSAGE);
+        if (input == null) {
+            return;
+        }
+
+        try {
+            int num = Integer.parseInt(input.trim());
+            if (num < 10 || num > 30) {
+                JOptionPane.showMessageDialog(MainFrame.this, "题目数量应该在10-30之间！", "错误", JOptionPane.ERROR_MESSAGE);
+                return;
+            }
+            SelTestFrame selTestFrame = new SelTestFrame(this, currentUser, userService, num);
+            selTestFrame.setVisible(true);
+            this.setVisible(false);
+
+        } catch (NumberFormatException e) {
+            JOptionPane.showMessageDialog(MainFrame.this, "请输入数字！", "错误", JOptionPane.ERROR_MESSAGE);
+        }
+
+    }
+
+    public void reTryTest() {
+        openSelfTestFrame();
+    }
 }
diff --git a/src/main/java/mathlearning/ui/SelTestFrame.java b/src/main/java/mathlearning/ui/SelTestFrame.java
new file mode 100644
index 0000000..cc7ae84
--- /dev/null
+++ b/src/main/java/mathlearning/ui/SelTestFrame.java
@@ -0,0 +1,278 @@
+package mathlearning.ui;
+
+import mathlearning.model.User;
+import mathlearning.service.UserService;
+
+import javax.swing.*;
+import java.awt.*;
+
+public class SelTestFrame extends JFrame {
+    private MainFrame mainFrame;
+    private User user;
+    private UserService userService;
+
+    private int questionNum;
+    private int currentQuestionDex;
+    private String[] answers;
+
+    private JLabel titleLabel;
+    private JButton optionA;
+    private JButton optionB;
+    private JButton optionC;
+    private JButton optionD;
+    private JButton prevButton;
+    private JButton nextButton;
+    private JButton submitButton;
+
+    public SelTestFrame(MainFrame mainFrame, User user, UserService userService, int num) {
+        this.mainFrame = mainFrame;
+        this.user = user;
+        this.userService = userService;
+        this.questionNum = num;
+        this.currentQuestionDex = 0;
+        this.answers = new String[questionNum];
+        InitUI();
+        addWindowListener(new java.awt.event.WindowAdapter() {
+            @Override
+            public void windowClosing(java.awt.event.WindowEvent windowEvent) {
+                handleCloseOperation();
+            }
+        });
+    }
+
+    private void InitUI() {
+        setTitle("答题界面");
+        setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
+        setSize(800, 600);
+        setLocationRelativeTo(null);
+
+        //主面板
+        JPanel mainPanel = new JPanel(new BorderLayout());
+
+        //上
+        titleLabel = new JLabel("当前为：第" + (currentQuestionDex + 1) + "题");
+
+        //左侧面板
+        JPanel leftPanel = createLeftPanel();
+
+        //中
+        JPanel centerPanel = centerPanel();
+
+        //右
+        JPanel rightPanel = createRightPanel();
+
+        //底
+        JPanel bottomPanel = createButtonPanel();
+
+        mainPanel.add(titleLabel, BorderLayout.NORTH);
+        mainPanel.add(leftPanel, BorderLayout.WEST);
+        mainPanel.add(centerPanel, BorderLayout.CENTER);
+        mainPanel.add(rightPanel, BorderLayout.EAST);
+        mainPanel.add(bottomPanel, BorderLayout.SOUTH);
+
+        add(mainPanel);
+
+        updateNavigationButtons();
+    }
+
+    private JPanel createLeftPanel() {
+        JPanel panel = new JPanel(new BorderLayout());
+
+        JLabel usernameLabel = new JLabel("用户：" + user.getUsername());
+        usernameLabel.setFont(new Font("微软雅黑", Font.BOLD, 16));
+        usernameLabel.setForeground(Color.BLUE);
+        panel.add(usernameLabel, BorderLayout.NORTH);
+
+        JList<String> questionList = new JList<>();
+        String[] questions = new String[questionNum + 1];
+        for (int i = 0; i < questionNum; i++) {
+            questions[i] = "题目" + (i + 1);
+        }
+        questionList.setListData(questions);
+        panel.add(questionList, BorderLayout.CENTER);
+
+        return panel;
+    }
+
+    private JPanel centerPanel() {
+        JPanel panel = new JPanel(new BorderLayout());
+
+        return panel;
+    }
+
+    private JPanel createRightPanel() {
+        JPanel panel = new JPanel(new BorderLayout());
+
+        JLabel titleLabel = new JLabel("作答区域:");
+        titleLabel.setFont(new Font("微软雅黑", Font.BOLD, 16));
+        panel.add(titleLabel, BorderLayout.NORTH);
+
+        JPanel buttonPanel = new JPanel(new GridLayout(4, 1));
+
+        optionA = new JButton("A");
+        optionA.setBackground(Color.LIGHT_GRAY);
+        optionA.setForeground(Color.BLACK);
+        optionA.addActionListener(e -> saveAnswer("A"));
+        optionB = new JButton("B");
+        optionB.setBackground(Color.LIGHT_GRAY);
+        optionB.setForeground(Color.BLACK);
+        optionB.addActionListener(e -> saveAnswer("B"));
+        optionC = new JButton("C");
+        optionC.setBackground(Color.LIGHT_GRAY);
+        optionC.setForeground(Color.BLACK);
+        optionC.addActionListener(e -> saveAnswer("C"));
+        optionD = new JButton("D");
+        optionD.setBackground(Color.LIGHT_GRAY);
+        optionD.setForeground(Color.BLACK);
+        optionD.addActionListener(e -> saveAnswer("D"));
+        buttonPanel.add(optionA);
+        buttonPanel.add(optionB);
+        buttonPanel.add(optionC);
+        buttonPanel.add(optionD);
+        panel.add(buttonPanel, BorderLayout.CENTER);
+
+        return panel;
+    }
+
+    private JPanel createButtonPanel() {
+        JPanel panel = new JPanel(new FlowLayout());
+
+        prevButton = new JButton("上一题");
+        prevButton.addActionListener(e -> goToPrevQuestion());
+
+        nextButton = new JButton("下一题");
+        nextButton.addActionListener(e -> goToNextQuestion());
+
+        submitButton = new JButton("提交");
+        submitButton.addActionListener(e -> goToSubmit());
+
+        panel.add(prevButton);
+        panel.add(nextButton);
+        panel.add(submitButton);
+        return panel;
+    }
+
+    private void saveAnswer(String answer) {
+        resetButtonColors();
+
+        switch (answer) {
+            case "A":
+                optionA.setBackground(Color.GREEN);
+                answers[currentQuestionDex] = answer;
+                break;
+            case "B":
+                optionB.setBackground(Color.GREEN);
+                answers[currentQuestionDex] = answer;
+                break;
+            case "C":
+                optionC.setBackground(Color.GREEN);
+                answers[currentQuestionDex] = answer;
+                break;
+            case "D":
+                optionD.setBackground(Color.GREEN);
+                answers[currentQuestionDex] = answer;
+                break;
+        }
+
+    }
+
+    private void resetButtonColors() {
+        optionA.setBackground(Color.LIGHT_GRAY);
+        optionB.setBackground(Color.LIGHT_GRAY);
+        optionC.setBackground(Color.LIGHT_GRAY);
+        optionD.setBackground(Color.LIGHT_GRAY);
+    }
+
+    private void goToPrevQuestion() {
+        if (currentQuestionDex > 0) {
+            currentQuestionDex--;
+            updateTitleLabel();
+            if (answers[currentQuestionDex] == null) {
+                resetButtonColors();
+            }
+            else {
+                saveAnswer(answers[currentQuestionDex]);
+            }
+
+            updateNavigationButtons();
+        }
+    }
+
+    private void goToNextQuestion() {
+        if (currentQuestionDex < questionNum - 1) {
+            currentQuestionDex++;
+            updateTitleLabel();
+            if (answers[currentQuestionDex] == null) {
+                resetButtonColors();
+            } else {
+                saveAnswer(answers[currentQuestionDex]);
+            }
+
+            updateNavigationButtons();
+        }
+    }
+
+    private void goToSubmit() {
+        int confirm = JOptionPane.showConfirmDialog(SelTestFrame.this, "你确定要提交试卷吗？", "提示", JOptionPane.YES_NO_OPTION);
+        if (confirm == JOptionPane.YES_OPTION) {
+            int score = 0;
+
+            // 弹出分数结果
+            String[] options = {"返回主菜单", "继续做题"};
+            int choice = JOptionPane.showOptionDialog(
+                    SelTestFrame.this,
+                    "您的得分是: " + score + "分",
+                    "测试结果",
+                    JOptionPane.YES_NO_OPTION,
+                    JOptionPane.INFORMATION_MESSAGE,
+                    null,
+                    options,
+                    options[0]
+            );
+
+            if (choice == 0) {
+                mainFrame.setVisible(true);
+                dispose();
+            } else if (choice == 1) {
+                mainFrame.reTryTest();
+                dispose();
+            }
+        }
+    }
+
+    private void updateNavigationButtons() {
+        if (currentQuestionDex == 0) {
+            prevButton.setEnabled(false);
+            prevButton.setVisible(false);
+        }
+        else {
+            prevButton.setEnabled(true);
+            prevButton.setVisible(true);
+        }
+
+        if (currentQuestionDex == questionNum - 1) {
+            nextButton.setEnabled(false);
+            nextButton.setVisible(false);
+            submitButton.setEnabled(true);
+            submitButton.setVisible(true);
+        } else {
+            nextButton.setEnabled(true);
+            nextButton.setVisible(true);
+            submitButton.setEnabled(false);
+            submitButton.setVisible(false);
+        }
+    }
+
+    private void updateTitleLabel() {
+        titleLabel.setText("当前为：第" + (currentQuestionDex + 1) + "题");
+    }
+
+    private void handleCloseOperation() {
+        int result = JOptionPane.showConfirmDialog(SelTestFrame.this, "确定要中途退出答题吗？当前答题进度将会丢失！", "确认退出", JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE);
+
+        if (result == JOptionPane.YES_OPTION) {
+            mainFrame.setVisible(true);
+            dispose();
+        }
+    }
+}