Contact Xiami Music customer service and use third-party software.

1. Contact Xiami Music customer service: Xiami Music customer service can help users retrieve lost data that has not been exported. Users are required to provide information, such as user account information, type of lost data, etc.

2. Use third-party software: You can use third-party software to export songs in Xiami Music. For example, you can use the "Backup Assistant" software, which can back up songs in Xiami Music to your computer, and then import them to other platforms through other software.