diff --git a/.gitignore b/.gitignore
deleted file mode 100644
index f68d109..0000000
--- a/.gitignore
+++ /dev/null
@@ -1,29 +0,0 @@
-### IntelliJ IDEA ###
-out/
-!**/src/main/**/out/
-!**/src/test/**/out/
-
-### Eclipse ###
-.apt_generated
-.classpath
-.factorypath
-.project
-.settings
-.springBeans
-.sts4-cache
-bin/
-!**/src/main/**/bin/
-!**/src/test/**/bin/
-
-### NetBeans ###
-/nbproject/private/
-/nbbuild/
-/dist/
-/nbdist/
-/.nb-gradle/
-
-### VS Code ###
-.vscode/
-
-### Mac OS ###
-.DS_Store
\ No newline at end of file
diff --git a/.idea/.gitignore b/.idea/.gitignore
deleted file mode 100644
index 10b731c..0000000
--- a/.idea/.gitignore
+++ /dev/null
@@ -1,5 +0,0 @@
-# 默认忽略的文件
-/shelf/
-/workspace.xml
-# 基于编辑器的 HTTP 客户端请求
-/httpRequests/
diff --git a/.idea/.name b/.idea/.name
deleted file mode 100644
index 2b3e571..0000000
--- a/.idea/.name
+++ /dev/null
@@ -1 +0,0 @@
-untitled111.iml
\ No newline at end of file
diff --git a/.idea/artifacts/untitled111_jar.xml b/.idea/artifacts/untitled111_jar.xml
deleted file mode 100644
index 5ef401c..0000000
--- a/.idea/artifacts/untitled111_jar.xml
+++ /dev/null
@@ -1,21 +0,0 @@
-<component name="ArtifactManager">
-  <artifact type="jar" build-on-make="true" name="untitled111:jar">
-    <output-path>$PROJECT_DIR$/out/artifacts/untitled111_jar</output-path>
-    <root id="archive" name="untitled111.jar">
-      <element id="module-output" name="untitled111" />
-      <element id="extracted-dir" path="D:/聊天文件/QQ/jakarta.activation-2.0.1.jar" path-in-jar="/" />
-      <element id="extracted-dir" path="D:/浏览器下载/javafx-sdk-25/lib/javafx-swt.jar" path-in-jar="/" />
-      <element id="extracted-dir" path="D:/浏览器下载/javafx-sdk-25/lib/javafx.web.jar" path-in-jar="/" />
-      <element id="extracted-dir" path="D:/浏览器下载/javafx-sdk-25/lib/javafx.base.jar" path-in-jar="/" />
-      <element id="extracted-dir" path="D:/浏览器下载/javafx-sdk-25/lib/javafx.fxml.jar" path-in-jar="/" />
-      <element id="extracted-dir" path="D:/浏览器下载/javafx-sdk-25/lib/javafx.media.jar" path-in-jar="/" />
-      <element id="extracted-dir" path="D:/浏览器下载/javafx-sdk-25/lib/javafx.swing.jar" path-in-jar="/" />
-      <element id="extracted-dir" path="D:/浏览器下载/javafx-sdk-25/lib/jdk.jsobject.jar" path-in-jar="/" />
-      <element id="extracted-dir" path="D:/浏览器下载/javafx-sdk-25/lib/javafx.controls.jar" path-in-jar="/" />
-      <element id="extracted-dir" path="D:/浏览器下载/javafx-sdk-25/lib/javafx.graphics.jar" path-in-jar="/" />
-      <element id="extracted-dir" path="D:/浏览器下载/javafx-sdk-25/lib/jfx.incubator.input.jar" path-in-jar="/" />
-      <element id="extracted-dir" path="D:/浏览器下载/javafx-sdk-25/lib/jfx.incubator.richtext.jar" path-in-jar="/" />
-      <element id="extracted-dir" path="D:/聊天文件/QQ/jakarta.mail-2.0.1.jar" path-in-jar="/" />
-    </root>
-  </artifact>
-</component>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
deleted file mode 100644
index 2bfdeda..0000000
--- a/.idea/misc.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_25" default="true" project-jdk-name="openjdk-25" project-jdk-type="JavaSDK">
-    <output url="file://$PROJECT_DIR$/out" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
deleted file mode 100644
index 5116208..0000000
--- a/.idea/modules.xml
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectModuleManager">
-    <modules>
-      <module fileurl="file://$PROJECT_DIR$/untitled111.iml" filepath="$PROJECT_DIR$/untitled111.iml" />
-    </modules>
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
deleted file mode 100644
index 94a25f7..0000000
--- a/.idea/vcs.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="VcsDirectoryMappings">
-    <mapping directory="$PROJECT_DIR$" vcs="Git" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/README.md b/README.md
deleted file mode 100644
index 3d42da1..0000000
--- a/README.md
+++ /dev/null
@@ -1,2 +0,0 @@
-# pairing_program
-
diff --git a/src/Main.java b/src/Main.java
index 6aa0089..484e558 100644
--- a/src/Main.java
+++ b/src/Main.java
@@ -141,13 +141,13 @@ public class Main extends Application {
                 infoLabel.setText("用户名已存在");
                 return;
             }
-/*
+
             // 使用新的邮箱验证方法
             if (!isValidEmail(email)) {
                 infoLabel.setText("邮箱格式不正确，请使用有效的邮箱地址");
                 return;
             }
-*/
+
             if (userDatabase.containsKey(email)) {
                 infoLabel.setText("该邮箱已注册");
                 return;
@@ -224,6 +224,47 @@ public class Main extends Application {
         return username.matches("^[a-zA-Z0-9_]+$");
     }
 
+    // 邮箱验证方法
+    private boolean isValidEmail(String email) {
+        if (email == null || email.trim().isEmpty()) {
+            return false;
+        }
+
+        String regex = "^[A-Za-z0-9+_.-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,}$";
+
+        // 基本格式检查
+        if (!email.matches(regex)) {
+            return false;
+        }
+
+        // 检查@符号位置
+        int atIndex = email.indexOf('@');
+        if (atIndex <= 0 || atIndex == email.length() - 1) {
+            return false;
+        }
+
+        // 检查域名部分
+        String domain = email.substring(atIndex + 1);
+        if (domain.indexOf('.') <= 0 || domain.endsWith(".")) {
+            return false;
+        }
+
+        // 检查常见邮箱服务商
+        String[] commonDomains = {"qq.com", "gmail.com", "163.com", "126.com", "sina.com",
+                "hotmail.com", "outlook.com", "yahoo.com", "foxmail.com"};
+        boolean hasCommonDomain = false;
+        for (String commonDomain : commonDomains) {
+            if (domain.equalsIgnoreCase(commonDomain)) {
+                hasCommonDomain = true;
+                break;
+            }
+        }
+
+
+
+        return true;
+    }
+
     // 密码验证方法
     private boolean isValidPassword(String password) {
         if (password.length() < 6 || password.length() > 10) {
diff --git a/untitled111.iml b/untitled111.iml
deleted file mode 100644
index a3ee431..0000000
--- a/untitled111.iml
+++ /dev/null
@@ -1,30 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module type="JAVA_MODULE" version="4">
-  <component name="NewModuleRootManager" inherit-compiler-output="true">
-    <exclude-output />
-    <content url="file://$MODULE_DIR$">
-      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
-    </content>
-    <orderEntry type="inheritedJdk" />
-    <orderEntry type="sourceFolder" forTests="false" />
-    <orderEntry type="library" name="lib" level="application" />
-    <orderEntry type="module-library">
-      <library>
-        <CLASSES>
-          <root url="jar://D:/聊天文件/QQ/jakarta.mail-2.0.1.jar!/" />
-        </CLASSES>
-        <JAVADOC />
-        <SOURCES />
-      </library>
-    </orderEntry>
-    <orderEntry type="module-library">
-      <library>
-        <CLASSES>
-          <root url="jar://D:/聊天文件/QQ/jakarta.activation-2.0.1.jar!/" />
-        </CLASSES>
-        <JAVADOC />
-        <SOURCES />
-      </library>
-    </orderEntry>
-  </component>
-</module>
\ No newline at end of file