[mistwang]

For online help, please click the "Help" link in the web console, then go to "Configuration"->"Context"

It is very simple if you familiar with our web server admin console.
Just like a proxy context for web server.
The URI should be like

exp: ^/(images|customavatars|customprofilepics|customgroupicons|signaturepics|albums|attachments|clientscript|iconimages|vbulletin_css|vbseo_sitemap)/

You can combine it with '~ /sitemap_' or create another context for it, just like the nginx configuration.