Localization display

[zhengjin]

I have some problems in the locale set.
UIDatePicker *date1=[[UIDatePicker alloc]init];
[date1 setLocale:[NSLocale localeWithLocaleIdentifier:@"zh_CN"]];//set china local
date1.datePickerMode=UIDatePickerModeDate;
picker.datePickerView=date1;
picker.pickerType = SBPickerSelectorTypeDate; //select date(needs implements delegate method with date)
picker.datePickerType = SBPickerSelectorDateTypeOnlyDay;//display format yyyy-MM-dd

picker.doneButtonTitle = @"Done";
picker.cancelButtonTitle = @"Cancel";
picker.delegate = self;
//[picker showPickerOver:self];

CGPoint point = [self.view convertPoint:[sender frame].origin fromView:[sender superview]];
CGRect frame = [sender frame];
frame.origin = point;
[picker showPickerIpadFromRect:frame inView:self.view];

But this not work, display month, day, and year (e.g. November | 15 | 2007).
I want displays year ,month, and day depending on the locale setting (e.g. 2007 | November | 15 )
version: 'SBPickerSelector', '~> 1.1.0'.
Thanks for any suggestion.