How long will the genius Shanglong order system remain in the background?

Does the subject want to ask "how long will the background of Tiancai Shanglong ordering system be kept"? In 30 days, by querying the Tiancai Shanglong Catering Management app, the restaurant ordering records, evaluation records and other data are displayed. The strategy formulation such as staffing, menu adjustment and promotion activities are all background data, and the Tiancai Shanglong ordering system is kept in the background for 30 days. Tiancai Shanglong catering and entertainment management system consists of two subsystems: foreground sales and background management, in which the foreground sales module includes three subsystems: foreground service, settlement inquiry and system. The backstage management module includes: daily management, management setting, statistical analysis, inventory management and membership management.