UTF8

NSURL *newUrl=[NSURL URLWithString:[url stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];    

   
NSString  *url=[NSString  stringWithFormat:BUY_TICKET_URL,[self.cinemaItem.cCitystringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];