Any member of a group chat can add additional contacts to participate in the group.

1. To add a member, enter the group chat and tap "..." in the top right corner. Tapping the "+" button will allow you to add a member from your list of contacts.

2. Users can scan a Group QR Code to join a group: Enter a group chat > tap "..." in the upper right corner > Group QR Code > tap "..." upper right > tap Save Image or Sent to Chat. Send the group QR Code to your WeChat friends, who can scan the QR Code to join the group chat.

Note：
1. A group chat can add up to 500 members.
2. A group QR Code is valid for 7 days.