<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0"/>
    <meta name="apple-mobile-web-app-capable" content="yes"/>
    <meta name="apple-mobile-web-app-status-bar-style" content="black"/>
    <title></title>
    <style></style>
</head>
<body>
{% if logout %}
请先<a href="{{ logout.login }}">登录</a>/<a href="{{ logout.register }}">注册</a>
{% else %}
Welcome {{ login.name }} <a href="{{ login.out }}">注销</a>
{% endif %}
</body>
</html>