  <head th:fragment="css-head">
  <meta charset="utf-8">
  <meta name="_ctx" th:content="@{/}" />
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <title>小程序系统消息</title>
  <meta content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no" name="viewport">
  <link rel="stylesheet" th:href="@{/static/bower_components/bootstrap/dist/css/bootstrap.min.css}">
  <link rel="stylesheet" th:href="@{/static/dist/css/AdminLTE.min.css}">
  <link rel="stylesheet" th:href="@{/st