Commercial Appliance user management: Group, factory, workshop, team structure at a glance, fine management of authority, improve work efficiency; equipment file: equipment basic file information and drawing data information and two-dimensional code binding, personnel scan code to quickly obtain equipment information; Safety management: real-time feedback on safety issues, so that the site can completely eliminate hidden dangers; equipment inspection: the inspection plan is set freely, and the inspection task is automatically issued to ensure that personnel do not miss a inspection project.