<!doctype html>
<html lang="zh">
<head>
    <meta charset="utf-8">
    <title>{0}</title>
</head>
<body>
    <h1>{1}</h1>
    <p>{2}</p>
    <hr>
    <address>{3} 6.x <a href="https://www.bt.cn/bbs" target="_blank">{4}</a></address>
</body>
</html>