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 How long does it take for a courier to accept my order? When is the cut-off time for 4-hour delivery service? When is the cut-off time for same-day delivery service? Can I place an order a few days in advance? Can I cancel after an order is placed?