<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <link rel="icon" href="/favicon.ico" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>layui-vue-admin</title>
    <style>
      body {
        margin: 0;
      }
      .loader-main {
        position: fixed;
        width: 100%;
        height: 100%;
        background-color: whitesmoke;
        z-index: 9999999;
      }
      .loader {
        width: 50px;
        height: 50px;
        margi