diff --git a/module/user/js/login.js b/module/user/js/login.js
index 31fe0854f2..507610d78a 100644
--- a/module/user/js/login.js
+++ b/module/user/js/login.js
@@ -3,6 +3,8 @@ if(window.self !== window.top) window.top.location.href = window.location.href;
 
 $(document).ready(function()
 {
+    timeoutID = null;
+
     /* Fix bug for misc-ping */
     $('#hiddenwin').removeAttr('id');
 
@@ -33,10 +35,19 @@ $(document).ready(function()
         var link      = createLink('user', 'login');
         var keepLogin = $('#keepLoginon').attr('checked') == 'checked' ? 1 : 0;
         var captcha   = $('#captcha').length == 1 ? $('#captcha').val() : '';
+        var timeout   = true;
+
+        clearTimeout(timeoutID);
+        timeoutID = setTimeout(function()
+                    {
+                        if(timeout) alert(loginTimeoutTip);
+                    }, 4000);
 
         $.get(createLink('user', 'refreshRandom'), function(data)
         {
             var rand = data;
+            timeout  = false;
+
             $.ajax
             ({
                 url: link,
diff --git a/module/user/lang/de.php b/module/user/lang/de.php
index d52a0e5dc7..33808bfb72 100644
--- a/module/user/lang/de.php
+++ b/module/user/lang/de.php
@@ -251,6 +251,7 @@ $lang->user->error->noEmail          = 'The user does not register email. Please
 $lang->user->error->errorEmail       = 'The account does not match the email. Please enter a new one.';
 $lang->user->error->emailSetting     = 'No email is configured in the system. Contact the admin to reset the email.';
 $lang->user->error->sendMailFail     = 'Message sending failed, please try again!';
+$lang->user->error->loginTimeoutTip  = 'Login failed, please check if the proxy service is normal.';
 
 $lang->user->contactFieldList['phone']    = $lang->user->phone;
 $lang->user->contactFieldList['mobile']   = $lang->user->mobile;
diff --git a/module/user/lang/en.php b/module/user/lang/en.php
index f1460a4f46..0f314ec1c6 100644
--- a/module/user/lang/en.php
+++ b/module/user/lang/en.php
@@ -251,6 +251,7 @@ $lang->user->error->noEmail          = 'The user does not register email. Please
 $lang->user->error->errorEmail       = 'The account does not match the email. Please enter a new one.';
 $lang->user->error->emailSetting     = 'No email is configured in the system. Contact the admin to reset the email.';
 $lang->user->error->sendMailFail     = 'Message sending failed, please try again!';
+$lang->user->error->loginTimeoutTip  = 'Login failed, please check if the proxy service is normal.';
 
 $lang->user->contactFieldList['phone']    = $lang->user->phone;
 $lang->user->contactFieldList['mobile']   = $lang->user->mobile;
diff --git a/module/user/lang/fr.php b/module/user/lang/fr.php
index 4df771cfe6..622a42e2b3 100644
--- a/module/user/lang/fr.php
+++ b/module/user/lang/fr.php
@@ -251,6 +251,7 @@ $lang->user->error->noEmail          = 'The user does not register email. Please
 $lang->user->error->errorEmail       = 'The account does not match the email. Please enter a new one.';
 $lang->user->error->emailSetting     = 'No email is configured in the system. Contact the admin to reset the email.';
 $lang->user->error->sendMailFail     = 'Message sending failed, please try again!';
+$lang->user->error->loginTimeoutTip  = 'Échec de la connexion, veuillez vérifier si le service proxy est activé.';
 
 $lang->user->contactFieldList['phone']    = $lang->user->phone;
 $lang->user->contactFieldList['mobile']   = $lang->user->mobile;
diff --git a/module/user/lang/zh-cn.php b/module/user/lang/zh-cn.php
index 74af4e7151..37cafcb434 100644
--- a/module/user/lang/zh-cn.php
+++ b/module/user/lang/zh-cn.php
@@ -251,6 +251,7 @@ $lang->user->error->noEmail          = '该用户未绑定邮箱，请联系管
 $lang->user->error->errorEmail       = '用户名和邮箱不匹配，请重新输入。';
 $lang->user->error->emailSetting     = '系统未配置发信邮箱，请联系管理员重置。';
 $lang->user->error->sendMailFail     = '邮件发送失败，请重试！';
+$lang->user->error->loginTimeoutTip  = '系统登录失败，请检查代理服务是否正常';
 
 $lang->user->contactFieldList['phone']    = $lang->user->phone;
 $lang->user->contactFieldList['mobile']   = $lang->user->mobile;
diff --git a/module/user/view/login.html.php b/module/user/view/login.html.php
index 8490a2a58d..0530a028ad 100644
--- a/module/user/view/login.html.php
+++ b/module/user/view/login.html.php
@@ -11,6 +11,7 @@
 include '../../common/view/header.lite.html.php';
 if(empty($config->notMd5Pwd))js::import($jsRoot . 'md5.js');
 ?>
+<?php js::set('loginTimeoutTip', $lang->user->error->loginTimeoutTip);?>
 <main id="main" class="fade no-padding">
   <div class="container" id="login">
     <div id="loginPanel">