1. Wait for the platform to reopen: the platform is temporarily closed for maintenance or other reasons, and you can wait for a while until the platform reopens.
2. Contact the platform customer service: the platform has been closed for a long time. You can try to contact the customer service staff of the platform and ask why it is closed and when it can be reopened.
3. Find other learning resources: the online learning platform for cadres in Liaoning Province is inaccessible. You can find other similar learning resources or online courses to meet your learning needs.