1. Make sure you are a Youmaker Publisher.
2. After Login, click on Avatar at the upper right corner of the homepage and Click on " Channel Info" in the drop-down menu.
3. “Channel Info”
* [Banner] It is recommended to use an image with at least 1600 x 260 pixels and less than or equal to 6MB.
* [Channel Avatar] It is recommended to use an image of at least 120 x 120 pixels and less than or equal to 4MB.