1, to realize the function of user ordering, it is obvious that this function is the most basic function in this system, not only to realize the function of user ordering, but also in the process of user ordering to realize the user's location, to realize the management of price, and also realize the user in the process of ordering to choose the delivery service and other functions.

2, the realization of the dishes or catering products update, all systems must have such a function. Merchants have a lot of new dishes need to be on the shelves, the need for outdated dishes off the shelves to deal with, it is necessary to have a dish in this system to update the function.

3, customer management, this set of content contains a lot of things, such as user registration, member level settings, regularly engage in a variety of promotional activities, for different members to provide different discount programs and so on a series of content.