<%@ page contentType="text/html;charset=UTF-8"%>
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<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>学生星系管理系统</title>
</head>
<body>
<div class="container">
    <h1>错误！</h1>
    <h2>错误代码：<%=(request.getParameter("err-code") == null?"未知错误":request.getParameter("err-code"))%></h2>
    <hr>
    <p><%=(request.getParameter("msg") == null?"":request.getParameter("msg"))%></p>
</div>
</body>
</html>