2. Then select Sweep from the pop-up options, as shown in the figure below. ?
3. Then enter the code scanning interface, and click the icons of three points in the upper right corner, as shown in the figure below. ?
4. Then select the QR code in the photo album in the pop-up options, as shown in the figure below. ?
5. Then select the QR code you need in the photo album and click directly. ?
6. After the final code scanning is completed, you can join the group directly.