uninstall and reinstall

1. Support catering, retail and mixed formats 2. Include various functions in daily operations to meet business needs 3. Support full self-service and subversive transmission 4. Connect O2O online channels, and the entrance answers 51 kinds of data reports, which is justified. 6. Manage the store remotely by mobile phone, and be the boss easily. 7. Reduce staff and increase efficiency, operate easily and improve the user experience.