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 Can I cancel after an order is placed? 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 the order by myself? When is the cut-off time for 4-hour delivery service? Can I cancel an order request?