Hello, I am very happy to answer your question

1. Log in to the QQ music client for 5 consecutive days and the icon will light up (you need to log in to your QQ account);

2. If you have not logged in for 15 consecutive days, the icon will go out;

3. If you log in for 5 consecutive days after it goes off, the icon will light up again.

If you are satisfied, please click on the right to accept the answer. If you still have questions, please click to ask

I hope my answer will be helpful to you and I hope you will accept it!