Can I change order details after placing an order? No, you can't. Please cancel and place another order, or call our customer service hotline at 3590 3399 for help. Related articles What should I do if I would like to change the locations, cancel the order, or look for another vehicle type after the order is confirmed? Can I cancel after an order is placed? Can I cancel the order by myself? When is the cut-off time for 4-hour delivery service? Can I cancel an order request?