<!DOCTYPE html>
<html>
<head>
  
    <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
     <title>访问页面时出现了错误</title>
     <style> 
        .cuo {
            text-align: center;
            width: 280px;
            padding: 30px;
            border: 1px solid #ddd;
            border-radius: 6px;
            filter: progid:DXImageTransform.Microsoft.Shadow(color=#dddddd,direction=120,strength=4); /*ie*/
            -moz-box-shadow: 0px 2px 10px #dddddd; /*firefox*/
            -webkit-box-shadow: 0px 2px 10px #dddddd; /*safari或chrome*/
            box-shadow: 0px 2px 10px #dddddd; /*opera或ie9*/
            margin: 0 auto;
            margin-top: 30vh;
             color: #ffb400
        }
     </style>
    
</head>

<body>

<div align="center">
    <div class="cuo">404访问页面不存在或错误！</div>
</div>


 <script>
       
         var bt = getUrlParams("bt") || ""
         if (bt != "") {
             var cuo = document.querySelector(".cuo");
             cuo.innerHTML = decodeURI(bt)
         }
         else
         {
             setTimeout(function () { location.href = "/"; }, 13000);
         }
      
            function getUrlParams(name) {
             let reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i");
             let param = window.location.search.substr(1).match(reg);
             return param && param[2];
         }
  </script>

</body>
</html>
