在入口文件index.html中添加
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>my-project</title>
<link rel="stylesheet" href="//g.alicdn.com/msui/sm/0.6.2/css/sm.min.css">
</head>
<body>
<div id="app"></div>
<!-- built files will be auto injected -->
</body>
</html>