Yi Yun needs to contact the merchant to return every order, negotiate with the merchant, and contact the official customer service if the merchant disagrees. Yi Yun Catering Operation app can provide a very powerful and convenient mobile order service for catering staff in Yi Yun.

Every food operation terminal in Yi Yun is a merchant management software specially tailored for operators, which enables dealers to accept orders faster and deliver customers' orders faster. The delivery staff can check the order status online at any time, and the delivery staff can use the software to heat and disinfect their cabinets, which is very intelligent.