If you have any questions or issues, you can contact us by submitting feedback on the App or emailing firstname.lastname@example.org.
Please click "Feedback" in the “User” Section; you can fill in the problems encountered or suggestions to us in the input box. If you can provide relevant images to explain the problem, it will better help us locate the problems, so that we can provide you with more favorable help. We will reply to your feedback in time. Thank you very much for your participation and support.