A system including user device of a preset administrative user, a server, and a smart device. The user device sends a binding request for the smart device to the server, the binding request being used for instructing the server to bind the smart device. The server records an administrative permission for the administrative user to the smart device in the process of binding. When a near-field communication signal from any user is received, the smart device identifies the identity of the user; and when the user is determined as the administrative user, the smart device establishes a near-field communication connection with an electronic device of the user to allow the user to configure the smart device. With the technical solution of the present disclosure, a device may be configured based on software, and accordingly, security dangers of a physical key are eliminated while configuration operations are simplified.