1. The system bug is a problem in the software system of China Management Talent Network for training professional qualifications, which makes it impossible to log in to China Management Talent Network for training professional qualifications, so you can wait for the official to fix it.
2. The network problem is that the network connected by its own equipment fluctuates greatly, which makes it impossible to log in to China Management Talent Network for professional qualifications. Just change the network and reopen it.