How to set more ringtones as QQ information reminder function?

First, you need to click "My" on the main page with many ringtones, and then click "My current ringtone". If you need QQ ringtone notification, please click to select "SMS ringtone", click to select a voice you like, log in to QQ after the setting is successful, click the setting in the lower left corner, and then select message notification. Finally, just click on the sound, click on the type of prompt tone, and finally select the system notification tone.