diff --git a/pom.xml b/pom.xml
index 0eaf5ba..9459b71 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>cc.baka9</groupId>
     <artifactId>CatSeedLogin</artifactId>
-    <version>1.4.4-SNAPSHOT</version>
+    <version>1.4.5-SNAPSHOT</version>
 
     <name>CatSeedLogin</name>
     <url>https://www.mcbbs.net/thread-847859-1-1.html</url>
@@ -92,6 +92,11 @@
      <artifactId>FoliaLib</artifactId>
      <version>1.1.5</version>
  </dependency>
+ <dependency>
+    <groupId>org.apache.commons</groupId>
+    <artifactId>commons-email</artifactId>
+    <version>1.5</version> <!-- 请使用最新的版本号 -->
+</dependency>
     </dependencies>
     <repositories>
         <!-- Spigot -->
diff --git a/src/main/java/cc/baka9/catseedlogin/bukkit/CatScheduler.java b/src/main/java/cc/baka9/catseedlogin/bukkit/CatScheduler.java
index 218c9b1..c5849ee 100644
--- a/src/main/java/cc/baka9/catseedlogin/bukkit/CatScheduler.java
+++ b/src/main/java/cc/baka9/catseedlogin/bukkit/CatScheduler.java
@@ -17,7 +17,7 @@ private static Method initTeleportAsync() {
             try {
                 return Player.class.getMethod("teleportAsync", Location.class);
             } catch (NoSuchMethodException e) {
-                e.printStackTrace();
+                throw new RuntimeException(e);
             }
         }
         return null;
diff --git a/src/main/java/cc/baka9/catseedlogin/bukkit/CatSeedLogin.java b/src/main/java/cc/baka9/catseedlogin/bukkit/CatSeedLogin.java
index 3530e73..7f6ade3 100644
--- a/src/main/java/cc/baka9/catseedlogin/bukkit/CatSeedLogin.java
+++ b/src/main/java/cc/baka9/catseedlogin/bukkit/CatSeedLogin.java
@@ -140,7 +140,6 @@ public void onEnable(){
 
     @EventHandler
     public void onPlayerQuit(PlayerQuitEvent event) {
-        // 当玩家退出时调用
         timeoutManager.onPlayerQuit(event.getPlayer().getName());
     }
 
diff --git a/src/main/java/cc/baka9/catseedlogin/bukkit/object/LoginPlayerHelper.java b/src/main/java/cc/baka9/catseedlogin/bukkit/object/LoginPlayerHelper.java
index 6398297..5742ff5 100644
--- a/src/main/java/cc/baka9/catseedlogin/bukkit/object/LoginPlayerHelper.java
+++ b/src/main/java/cc/baka9/catseedlogin/bukkit/object/LoginPlayerHelper.java
@@ -28,7 +28,6 @@
 public class LoginPlayerHelper {
     private static final Set<LoginPlayer> set = new HashSet<>();
     private static Map<String, Long> playerExitTimes = new ConcurrentHashMap<>();
-    private long timeoutDuration;
 
     public static List<LoginPlayer> getList(){
         return new ArrayList<>(set);
@@ -98,19 +97,16 @@ public static boolean recordCurrentIP(Player player) {
     }
 
     LoginPlayer storedPlayer = Cache.getIgnoreCase(playerName);
-    LoginPlayerHelper helper = new LoginPlayerHelper();
 
     if (storedPlayer != null) {
         List<String> storedIPs = getStoredIPs(storedPlayer);
         if (storedIPs != null) {
-            long lastLoginTime = storedPlayer.getLastAction();
             Long exitTime = playerExitTimes.get(playerName);
-            long timeoutInMilliseconds = Config.Settings.IPTimeout * 60 * 1000;
 
             if (Config.Settings.IPTimeout == 0) {
                 return storedIPs.contains(currentIP);
             } else {
-                if (exitTime != null && storedIPs.contains(currentIP) && (System.currentTimeMillis() - exitTime) <= timeoutInMilliseconds) {
+                if (exitTime != null && storedIPs.contains(currentIP) && (System.currentTimeMillis() - exitTime) <= Config.Settings.IPTimeout * 60 * 1000) {
                     return true;
                 }
             }
@@ -133,9 +129,6 @@ public void recordPlayerExitTime(String playerName) {
 
 
 
-    public void PlayerTimeoutManager() {
-        timeoutDuration = Config.Settings.IPTimeout * 60 * 1000;
-    }
 
     public void onPlayerQuit(String playerName) {
         if (Config.Settings.IPTimeout != 0 && isLogin(playerName)) {
diff --git a/src/main/java/cc/baka9/catseedlogin/util/Mail.java b/src/main/java/cc/baka9/catseedlogin/util/Mail.java
index 992d04a..a2937a3 100644
--- a/src/main/java/cc/baka9/catseedlogin/util/Mail.java
+++ b/src/main/java/cc/baka9/catseedlogin/util/Mail.java
@@ -1,12 +1,8 @@
 package cc.baka9.catseedlogin.util;
 
-import java.util.Date;
-import java.util.Properties;
-
-import javax.mail.Session;
-import javax.mail.Transport;
-import javax.mail.internet.InternetAddress;
-import javax.mail.internet.MimeMessage;
+import org.apache.commons.mail.DefaultAuthenticator;
+import org.apache.commons.mail.Email;
+import org.apache.commons.mail.HtmlEmail;
 
 import cc.baka9.catseedlogin.bukkit.Config;
 
@@ -17,47 +13,22 @@ private Mail() {
 
     public static void sendMail(String receiveMailAccount, String subject, String content) throws Exception {
 
-        Properties props = new Properties();
-        props.setProperty("mail.transport.protocol", "smtp");
-        props.setProperty("mail.smtp.host", Config.EmailVerify.EmailSmtpHost);
-        props.setProperty("mail.smtp.auth", "true");
-
-        final String smtpPort = Config.EmailVerify.EmailSmtpPort;
-        props.setProperty("mail.smtp.port", smtpPort);
-
+        Email email = new HtmlEmail();
+        email.setHostName(Config.EmailVerify.EmailSmtpHost);
+        email.setSmtpPort(Integer.parseInt(Config.EmailVerify.EmailSmtpPort));
+        email.setAuthenticator(new DefaultAuthenticator(Config.EmailVerify.EmailAccount, Config.EmailVerify.EmailPassword));
         if (Config.EmailVerify.SSLAuthVerify) {
-            props.setProperty("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
-            props.setProperty("mail.smtp.socketFactory.fallback", "false");
-            props.setProperty("mail.smtp.socketFactory.port", smtpPort);
+            email.setSSLOnConnect(true);
         } else {
-            // 如果 SSLAuthVerify 为 false，移除 SSL 相关的配置
-            props.remove("mail.smtp.socketFactory.class");
-            props.remove("mail.smtp.socketFactory.fallback");
-            props.remove("mail.smtp.socketFactory.port");
+            email.setStartTLSEnabled(true);
         }
-
-        String emailAccount = Config.EmailVerify.EmailAccount;
-        String emailPassword = Config.EmailVerify.EmailPassword;
-
-        Session session = Session.getInstance(props);
-
-        // 设置为debug模式, 查看详细的发送 log
-        session.setDebug(true);
-
-        // 创建邮件
-        MimeMessage message = new MimeMessage(session);
-        message.setFrom(new InternetAddress(emailAccount, Config.EmailVerify.FromPersonal, "UTF-8"));
-        message.setRecipient(MimeMessage.RecipientType.TO, new InternetAddress(receiveMailAccount, "", "UTF-8"));
-        message.setSubject(subject, "UTF-8");
-        message.setContent(content, Util.isOSLinux() ? "text/html; charset=UTF-8" : "text/html; charset=GBK");
-        message.setSentDate(new Date());
-        message.saveChanges();
-
-        // 发送
-        Transport transport = session.getTransport();
-        transport.connect(emailAccount, emailPassword);
-        transport.sendMessage(message, message.getAllRecipients());
-        transport.close();
+        email.setFrom(Config.EmailVerify.EmailAccount, Config.EmailVerify.FromPersonal);
+        email.setSubject(subject);
+        email.setMsg(content);
+        email.addTo(receiveMailAccount);
+        ((HtmlEmail) email).setCharset("UTF-8");
+        ((HtmlEmail) email).setCharset("GBK");
+        email.send();
 
     }
 
diff --git a/src/main/resources/emailVerify.yml b/src/main/resources/emailVerify.yml
index 99b23b9..10af26f 100644
--- a/src/main/resources/emailVerify.yml
+++ b/src/main/resources/emailVerify.yml
@@ -3,5 +3,5 @@ EmailAccount: "763737569@qq.com"
 EmailPassword: "123456"
 EmailSmtpHost: "smtp.qq.com"
 EmailSmtpPort: "465"
-SSLAuthVerify: false
+SSLAuthVerify: true
 FromPersonal: "xxx服务器"