激活链接未连接

请注意，到目前为止，我的注册和激活链接运行良好，当点击激活帐户的链接时，它显示"连接问题"。

这是注册文件的相关代码

{
       //generate random code
       $code = rand(11111111,99999999);
       //send activation email
       $to = $email;
       $subject = "Activate your account";
       $headers = "From: donotreply@reacheasy.co.uk";
       $body = " Hello $fullname,'n'nUsername $username,'n'n Password $password ,'n'nYou registered and need to activate your account, n'nPlease keep this email safe as it contains your password . Click the link below or paste it into the URL bar of your browser'n'nhttp://reacheasy.co.uk/activate.php?code=$code'n'nThanks!"; 

这是激活文件

<?php
 include 'include/global.php';
    $code = $_GET['code'];
    if (!$code)
        echo "No code supplied";
    else
    {
        $check = mysql_query("SELECT * FROM reusers WHERE code='$code' AND active='1'");
        //echo "SELECT * FROM users WHERE code='$code' AND active='1'";
        if (mysql_num_rows($check)==1)
            echo "You have already activated your account";
        else
        {
            $activate = mysql_query("UPDATE reusers SET active='1' WHERE code='$code'");
            echo "Your account has been activated!<a href='index.php'>Return to login page</a>";
        }
    }
    ?> 

请帮忙看看，谢谢