The APP is a management terminal APP designed for the Bluetooth smart cabinet lock of Shenzhen Kerong Industrial Co., Ltd., which uses the mobile phone to bind the Kerong smart cabinet lock. The mobile phone is only equivalent to the “external keyboard” and “external” of the electronic lock. "Display", each lock can only be registered with one administrator, and can operate to achieve the following main functions: 1. Support APP one-button unlock, scan code unlock 2. Can view user information an