1, to confirm whether the login account is correct: first of all, make sure that you are using the correct login account and have successfully logged in.

2, check the network connection: If the network connection is not stable, resulting in the data not being loaded properly. You can try to reconnect to the network, or change the network environment and try again.

3, confirm whether the WeChat account has been bound: in the Maodou new car app, you can use WeChat to log in. If the WeChat account is not bound to the Maodou New Car app, you will not be able to check the car purchase information. You can try to bind the Maodou New Car app in WeChat and try again.

4, contact customer service: if the above methods can not solve the problem, you can contact the Maodou new car app customer service. You can contact customer service through the help center in the app or the contact information on the official website to explain the problem and seek solutions.