Why change in static resources in WebDav does not reflecting directly to theme in IBM Portal?

There exist two dirrent URL you can use to communicate with WebDav, following URL  is used to reflect directly :

http://localhost:10030/wps/mycontenthandler/dav/fs-type1/.../

But following URL is used for viewing without reflecting directly : 

http://localhost:10039/wps/mycontenthandler/dav/skinlist/