Some wrong with setlocal() on windows xp local server

[wangsclub]

my server is windows xp sp2+ APMServ5.2：
Apache 2.2.3
　　NetBox 2.8 Build 4128
　PHP 5.2.0
　　MiniPerl 5.8
　　MySQL 5.0.27
　　MySQL 4.0.26
　　SQLite 3.3.8
　　phpMyAdmin 2.9.1.1
　　SQLiteManager 1.2.0　　ZendOptimizer 3.2.0
　　OpenSSL 0.9.8d

installed Simchinese language pack (utf-8).

display wrong:该商品加入分类的日期为2003年%m月%d日

How can i settle this problem?
Thank you!