1. Network problem: downloading the configuration requires a network connection. The network signal is unstable or the network connection is unavailable, which will cause the configuration download to fail. Please check whether the network connection is normal or try to switch to another network environment, and then try again.

2. Insufficient storage space: Insufficient storage space of mobile phone will also lead to failure in downloading configuration. Please check whether the storage space of the mobile phone is enough. If not, please clean up some unnecessary files or applications and try again.

3. Application problem: There is a problem with the Suzhou online education APP itself, which will also lead to the failure of download configuration. Please try uninstalling and reinstalling Suzhou Online Education App, or try downloading and installing it on other devices.