There is a share button in the upper right corner of the software details page. After clicking, four buttons will appear at the bottom of the page, that is, four ways to generate the invitation code. Wechat: Jump to Wechat, select a friend and send a promotion link to a friend. Friends circle: jump to friends circle, and generate a poster picture to promote QR code by default. Save to local: automatically save the product promotion QR code poster to the photo album. Copy link: copy the link text of the product to the clipboard, which can be sent to the comments of the circle of friends.