User-agent:Googlebot
Allow:/discovery/item/
Allow:/sitemap.xml

User-agent:Baiduspider
Allow:/discovery/item/
Allow:/sitemap.xml

User-agent:bingbot
Allow:/discovery/item/
Allow:/sitemap.xml

User-agent:Sogou web spider
Allow:/discovery/item/
Allow:/sitemap.xml

User-agent:Sogou wap spider
Allow:/discovery/item/
Allow:/sitemap.xml

User-agent:YisouSpider
Allow:/discovery/item/
Allow:/sitemap.xml

User-agent:BaiduSpider-ads
Allow:/activity/sem/kratos
Allow:/activity/sem/walle

User-agent:*
Disallow:/