phpcms v9如何在文章内容页面添加tag标签？PHPCMS添加相关热门关键词搜索?

{loop $keywords $keyword}{$keyword}{/loop}
{loop $keywords $keyword}
<a target="_blank" style="color:#0000FF; border:1px solid #3300FF; padding:2px;" href="{APP_PATH}index.php?m=content&c=tag&catid={$catid}&tag={urlencode($keyword)}" class="blue"> {$keyword}</a>
{/loop}