If your network has bandwidth shared by many people, using it by many people at the same time will slow down the network speed, which may lead to the inability to watch the video of the third phase of the Chinese public education courseware, so you need to watch it in a relatively smooth network state.

The online learning and training counseling platform for Chinese public education provides users with a diverse and integrated learning experience through online and offline combination, on-site teaching, supervision by class teachers, and exercise in question banks.