Chinese sorting problem

- (void) viewdidload{[Super Viewdidload]; Nsarray* Array = @[@"Beijing",@"Guangzhou",@"Shanghai",@"Xian",@"Anhui" ]; Nsarray* Sortarray = [array Sortedarrayusingcomparator:^nscomparisonresult (nsstring* obj1, nsstring*obj2) {Cfmutablestringref string1= Cfstringcreatemutablecopy (NULL,0, (__bridge cfstringref) obj1);        Cfstringtransform (string1, NULL, Kcfstringtransformmandarinlatin, NO);                Cfstringtransform (string1, NULL, Kcfstringtransformstripdiacritics, NO); Cfmutablestringref string2= Cfstringcreatemutablecopy (NULL,0, (__bridge cfstringref) obj2);        Cfstringtransform (string2, NULL, Kcfstringtransformmandarinlatin, NO);                Cfstringtransform (string2, NULL, Kcfstringtransformstripdiacritics, NO); NSString*STR1 = (__bridge NSString *) string1; NSString*STR2 = (__bridge NSString *) string2; Nscomparisonresult result=[str1 COMPARE:STR2];        Cfrelease (string1);        Cfrelease (string2); returnresult;        }]; NSLog (@"%@", Sortarray);}

Chinese sorting problem