After joining the group, there are three points in the upper right corner of the group interface. This is the select menu button. Click to enter the setting menu interface. After entering the setting interface, find the "group QR code" in the interface, click Enter, click Enter, and the group QR code will be automatically generated.
App group is not only a platform for family communication, but also a very good social circle, where you can meet all kinds of like-minded friends.