First, check whether the mobile phone network is normal to see if it is disconnected, or try to download mediation again, or clean up the memory of the mobile phone to see if the existing problems can be changed.

Wen Yi Education app is an online education software that provides users with industry qualification examinations. With the rapid development of society, people now have more and more knowledge to learn and skills to master. This software is to help everyone. Considering that many users are already in employment, this distance education mode is adopted to facilitate users to learn, and they can charge according to their own time and learn more new knowledge.