1. The mobile phone network is unstable. We can check the mobile phone network by opening the webpage.

2. There is too much memory information. You can click "Settings" and select "Deep Cleaning Storage Space".

3. If the running program is wrong or incompatible with the mobile phone program, you can use the assistant to optimize the background or shut down and restart before logging in.

4. Tongliao Education Cloud has a low version, which can be upgraded to the latest version and then re-run.