12 123 shows that the study is under review, but the text message shows that no research and education records have been found. What happened?

Network problems. Most of them are caused by abnormal network connection. 12 123 shows that the study is under review, but the short message shows that there is no record of study and education.

1, first turn on the computer to check the network.

2. Secondly, open the network diagnosis to test whether the network connection is abnormal.

3. Finally, click Restart 12 123APP.