sitemap.xml
{dede:channel titlelen='30' type='top'}
[field:typename/]
{/dede:channel}
{dede:channel titlelen='30' type ='son' typeid ='2'}
[field:typename/]
{/dede:channel}
{dede:arclist titlelen='70' orderby='pubdate' row='1000'}
[field:title/]_[field:typename/]
{/dede:arclist}