<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head lang="en">
    <meta charset="utf-8">
    <title>Error</title>
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1,maximum-scale=1.0, user-scalable=0,user-scalable=no">
    <meta name="renderer" content="webkit">
    <meta http-equiv="Cache-Control" content="no-siteapp"/>
</head>
<body>
<h3>status: 500</h3>
<p th:if="${ext} == null">msg: 服务器内部错误！</p>
<p th:if="${ext} != null" th:text="${ext.msg}"></p>
</body>
</html>
