1. Open the mobile phone WeChat, click me to enter the page, and then click the QR code above.

2. Enter the QR code business card page and click on the three points in the upper right corner of the screen.

3. At this time, various options will pop up, and click Reset QR code.

4. Jump out of the prompt and click Reset QR Code to generate a new QR code, and the previous QR code will disappear.