diff --git a/data/users.json b/data/users.json
index a60e027..34c9019 100644
--- a/data/users.json
+++ b/data/users.json
@@ -1,9 +1,9 @@
 [ {
   "username" : "小鱼",
   "email" : "1280556515@qq.com",
-  "passwordHash" : "$2a$12$T4LMhwE2r/WJyLjK/gg9MuwEZDPHd/BEmKqd7Y1rfdww261wvGSx.",
+  "passwordHash" : "$2a$12$dbNwBK6NBj7mXU6YzNMAweTMhD9NOxsjPGzW2SfIM.QvGdWt7Lyvy",
   "registrationDate" : [ 2025, 10, 10, 11, 7, 5, 853200500 ],
-  "verificationCode" : "863928",
+  "verificationCode" : "688201",
   "verified" : true,
   "type" : "高中"
 } ]
\ No newline at end of file
diff --git a/src/main/java/mathlearning/ui/ChangeCodeFrame.java b/src/main/java/mathlearning/ui/ChangeCodeFrame.java
index 1255136..37ad12b 100644
--- a/src/main/java/mathlearning/ui/ChangeCodeFrame.java
+++ b/src/main/java/mathlearning/ui/ChangeCodeFrame.java
@@ -36,12 +36,19 @@ public class ChangeCodeFrame extends JFrame {
                 true
         );
 
+        addWindowListener(new java.awt.event.WindowAdapter() {
+            @Override
+            public void windowClosing(java.awt.event.WindowEvent windowEvent) {
+                loginFrame.setVisible(true);
+            }
+        });
+
         initializeUI();
     }
 
     private void initializeUI() {
         setTitle("数学学习软件 - 忘记密码");
-        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
         setSize(450, 400);
         setLocationRelativeTo(null);
         setResizable(false);
diff --git a/src/main/java/mathlearning/ui/ProfileFrame.java b/src/main/java/mathlearning/ui/ProfileFrame.java
index 17982f7..8f2b3cf 100644
--- a/src/main/java/mathlearning/ui/ProfileFrame.java
+++ b/src/main/java/mathlearning/ui/ProfileFrame.java
@@ -17,6 +17,13 @@ public class ProfileFrame extends JFrame {
     public ProfileFrame(User user, UserService userService) {
         this.user = user;
         this.userService = userService;
+        addWindowListener(new java.awt.event.WindowAdapter() {
+            @Override
+            public void windowClosing(java.awt.event.WindowEvent windowEvent) {
+                MainFrame mainFrame = new MainFrame(user, userService);
+                mainFrame.setVisible(true);
+            }
+        });
         InitUI();
     }
 
@@ -57,7 +64,7 @@ public class ProfileFrame extends JFrame {
         returnToMainButton.addActionListener(new returnToMainButtonListener());
 
         JButton changePasswordButton = new JButton("修改密码");
-        changePasswordButton.addActionListener(e -> oppenChangePasswordFrame());
+        changePasswordButton.addActionListener(e -> openChangePasswordFrame());
 
         JButton changeUsernameButton = new JButton("更改用户名");
         changeUsernameButton.addActionListener(new ChangeUsernameButtonListener());
@@ -80,7 +87,7 @@ public class ProfileFrame extends JFrame {
         }
     }
 
-    private void oppenChangePasswordFrame() {
+    private void openChangePasswordFrame() {
         ChangePasswordFrame changePasswordFrame = new ChangePasswordFrame(user, userService, this);
         changePasswordFrame.setVisible(true);
         this.setVisible(false);
diff --git a/src/main/java/mathlearning/ui/RegisterFrame.java b/src/main/java/mathlearning/ui/RegisterFrame.java
index b5fc993..fb0f5a9 100644
--- a/src/main/java/mathlearning/ui/RegisterFrame.java
+++ b/src/main/java/mathlearning/ui/RegisterFrame.java
@@ -37,12 +37,19 @@ public class RegisterFrame extends JFrame{
                 true
         );
 
+        addWindowListener(new java.awt.event.WindowAdapter() {
+            @Override
+            public void windowClosing(java.awt.event.WindowEvent windowEvent) {
+                loginFrame.setVisible(true);
+            }
+        });
+
         initializeUI();
     }
 
     private void initializeUI() {
         setTitle("数学学习软件 - 注册");
-        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
         setSize(450, 400);
         setLocationRelativeTo(null);
         setResizable(false);