In order to fulfill the basic functions of our service, the user hereby agrees to allow Xiaomi to collect, process and use personal information which shall include but not be limited to written threads, pictures, comments, replies in the Mi Community, and relevant data types listed in Xiaomi's Private Policy. By selecting "Agree", you agree to Xiaomi's Private Policy and Content Policy .
There is nothing we can do about it. If anyone follows you , they will. There is no way to stop it. However you can stop the push notifications from Settings of the app to avoid getting notifications about the followers.