The user center supports authorization services, personal information changes, user password changes, and information of the current version. Authorizaiton service:Click the authorization service to view the Device Code and get a license; Personal center:Click and enter into the personal center to modify the basic information; Change password:Click to change password, follow the prompts to enter the new password twice, and click OK to complete; About:Click “About” to view the current version number and supported devices/users connections; Logout:Click “Logout” to return to the login interface.