If you want to know, I will tell you.
What is realized is not a green diamond, but also a song.
Enter QQ Music, select a song, and click Audition until the song is over.
Then immediately close the QQ music player.
Go to the CHCHE folder in the QQ installation directory and open the file with the suffix "". Cch "and right-click.
The "open mode" is to open with notepad, and a link ending with mwa is the link of the song you just listened to, so that you can play the song without playing the green diamond.