根目录新建app.html, 模板复制官方的：
https://zh.nuxtjs.org/guide/views/
<!DOCTYPE html>
<html {{ HTML_ATTRS }}>
<head {{ HEAD_ATTRS }}>
{{ HEAD }}
</head>
<body {{ BODY_ATTRS }}>
{{ APP }}
<div style="display:none">
<script type="text/javascript" src="https://s95.cnzz.com/z_stat.php?id=123456&web_id=123456"></script>
</div>
</body>
</html>
