How to set personalized background for mobile phone WeChat circle of friends?

The setting steps of the background image of WeChat friends circle are as follows:

Wechat version is the latest 8.0.29.

1. Open WeChat, click on the "Discover" interface below, where we can find "Friends Circle", and then click to enter "Friends Circle" (as shown below).

2. Click on the background image of our circle of friends (this is also called the cover) (as shown below):

3. Then click on the cover change in the lower right corner (as shown below):

4. Then we choose a picture source, which can be directly filled in the mobile phone photo album or selected from some optional pictures that come with WeChat (as shown below):