The Douyin shopping avatar is actually the avatar of Douyin. The steps to set up the replacement are:

The Douyin version used in the step demonstration: version22.6.0

1. Open After TikTok, click "Me" below, and then click the avatar.

2. After opening, click "Change Avatar".

3. Find an avatar you like and click on it.

4. Crop it according to your preference. When finished, click "Done" in the upper right corner.