1谷歌adsense代码段 验证网站所有权 放<head></head>里面
<!--谷歌adsense代码段 验证网站所有权-->
<script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-6221178304693491"
    crossorigin="anonymous"></script>
<!--3【谷歌meta元标记广告代码】-->
<meta name="google-adsense-account" content="ca-pub-6221178304693491">