问题描述：
http://blog.csdn.net/aileenyuxiao/article/details/42704917
xcode最近升级到6.2，这个bug也一起解决了，只需要修改simulator的语言设置就可，下面的设置请恢复
Product->scheme->Edit Scheme->Options->Application Region --> System
Region
Product->scheme->Edit Scheme->Options->Application Language --> System Language
;