index.html

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name=viewport content="width=device-width,user-scalable=no,initial-scale=1,maximum-scale=1,minimum-scale=1">
  <script src="https://s1.analysys.cn/libs/??js-polyfills/0.1.42/polyfill.min.js"></script>
  <link rel="stylesheet" href="//s2.analysys.cn/libs/??-/@analysys/fss-demo.css@">
  <link rel="stylesheet" href="../../../src/style/index.scss">
  <title>demo</title>
</head>
<body>
  <div id="app"></div>

  <script src="./index.js"></script>
</body>
</html>