<!DOCTYPE html>
<html lang="zh">

<head>
  <meta charset="utf-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width,initial-scale=1.0">
  <title>DataEase</title>
  <style>
    html,
    body {
      margin: 0 !important;
      height: 100%;
    }

    .no-login-dynamic {
      height: 100%;
      background: url(./lic.png) no-repeat;
      background-size: cover;
      text-align: center;
    }

    span {
      color: #000;
      font-size: 25px;
      font-weight: 500;
      position: relative;
      top: 130px;
    }
  </style>
</head>


<body style="height: 100%;">

  <div class="no-login-dynamic">
    <span>缺少许可</span>
  </div>

</body>
<script>
  document.getElementsByTagName("body")
</script>


</html>