<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<meta http-equiv="refresh" content='5; url=/'>
<title>404 Not Found</title>
</head>
<body>
<style>
div{text-align:center;font-size:2em;margin:20px auto;}
a{display:table;margin:0 auto;text-decoration: none;font-size:0.5em;color:#000;}
</style>
<div>404 Not Found</div>
<hr>
<a href="/">5秒钟后返回首页</a>
</body>
</html>