I'm sorry for my english because I'm not a native speaker.
Host info: Win 2003 + iis + wp 2.8.5[Chinese Utf-8]
All of the tags which include Chinese can't be visited after I enabled Rewrite(Error 404).But the tags which in english are still able to visit.
The way to Solve:
(Get for search engine and it really work.Please use Google translate to translate it):