[Zope] Can not search the chinese word in ZCtalog using TextIndex

I read the How-To: Z Catalog Tutorial and test the sample ( http://www.zope.org/Documentation/How-To/ZCatalogTutorial ) I create a searchable catalog of CDs,and write some chinese word in description field using fulltextindex,but in Z search interface I fill description field this chinese word,I can not find any item , I can find the english word. who can help me,thanks ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com