栏目页面
<meta name="keywords" content="{dede:field name=keywords/}" />
<meta name="description" content="{dede:field name=description function=html2text(@me)/}" />
文章内容页
<meta name="keywords" content="{dede:field.keywords/}" />
<meta name="description" content="{dede:field.description function=html2text(@me)/}" />