Why can't it be used now?

1. server problem: the server of Lejiao Xue Le will break down or need maintenance. At this point, users will not be able to log in or use the application until the server is back to normal.

2. Network problem: The user's network connection will fail or be unstable, resulting in the inability to access music, education and learning. Make sure your phone or computer is connected to an available network, and try refreshing the page or restarting the application.

3. Version problem: the application of music education and learning needs to be updated or upgraded before it can be used normally. Please check whether a new version is available for download and follow the prompts to update.