You can't. Cool dog music can't help others change their avatars, only personal login accounts. The steps to change your personal avatar are as follows:

1, turn on cool dog music, and click on my avatar.

2. Click on the avatar, select Change Avatar, and select from the photo album.

3. Choose a good photo, complete it, upload it and replace it. Cool Dog Music is a leading digital music interactive service provider in China and a leading enterprise in Internet technology innovation. It is committed to providing the best solutions for Internet users and the development of digital music industry.