This is smart home control application of Shenzhen Yaoertai Technology Development CO.; Ltd, cooperate with the YET production of smart devices, such as smart door, window, curtain controller, and smart plug, smart switch, etc.; It can implement the function of one-key configure add device, remote monitoring and remote firmware upgrade. The management mode of the master account and the sub-account is adopted to ensure the unity of device management and the control and view of the devices by mult