我已经在index.html(Angular2)中静态使用meta标签。但是Facebook在分享时并没有采用元标签。Angular2 - meta标签没有采取社交媒体像facebook
<meta property="og:description" content="Test description"/>
<meta property="og:image" content="https://www.w3schools.com/css/trolltunga.jpg" />
<meta property="og:site_name" content="Test site name"/>
<meta property="og:title" content="test" />
<meta property="og:type" content="object" />
<meta property="og:url" content="http://www.google.com" />
有人知道原因吗?