Why can't I download the study materials of China Post College: 1? Because the mobile phone or computer network is not good, you can try to connect to Wifi or download the exam client of China Post College again in hotspots.

3. The software is incompatible with the model, so consider downloading and installing another version;

3. The memory of mobile phone is too small. If you run Caton, you can uninstall the infrequently used software and clean up the garbage first.