Access Token Life Cycle
1. Access Token Life Cycle
The life circle of Access Token is 90 days, if users unauthorize your app, the access token will be invalid right now，you can contact XiaoMi to change the life circle properly if you have some special needs.
2. Refresh Token Life Cycle
Refresh Token is used to refresh to get new Access Token, the life circle of Refresh Token is 10 years, one Refresh Token can only refresh the Access Token for once.