1. Open the setup application on Xiaomi TV.

2. In the setting interface, find Application Management and enter this tab.

3. Find the QQ music application in the application management, and click Enter.

4. Select the correct management option, find the recording right and open it.

It should be noted that when using music or singing applications, please ensure that your microphone equipment is good, and also need to protect the privacy of others. Don't record other people's voices without permission. If you encounter other problems or questions when using the application, you can also refer to the relevant help documents of the application or contact customer service for consultation.