Required materials: mobile phone WeChat.
First, open the mobile phone WeChat and click "WeChat Campaign".
2. After opening the WeChat sports interface, click "Settings" in the upper right corner.
Third, click to open the "Go to My Home Page" option.
4. After entering the WeChat activity, click on the background image and click "Change Cover" in the pop-up options.
5. Find and select a satisfactory picture in the mobile phone photo album, and click "Send".
6. Exit the WeChat activity, then open it again and change the cover.