1. Check the network connection: Make sure the phone is connected to the Internet. You can try switching the network connection mode or reconnecting the network.
2. Clear the cache and data: Find the Healthy Jiaxing APP in the settings of the mobile phone, clear the cache and data, and then reopen the APP.
3. Update the APP version: Healthy Jiaxing APP needs an updated version to be used normally. Go to the APP store or official website to download the latest version of the app and update it.
4. Check the system version: ensure that the mobile phone system version meets the minimum requirements of Healthy Jiaxing APP. If the system version is too low, the APP will not work properly.
5. Contact customer service: If the above methods fail to solve the problem, you can contact the customer service staff of Healthy Jiaxing APP for help and support.