How to get the blank nickname of cool dog

Cool dog blank nickname like this;

1. Log in to Cool Dog Music APP, enter "My", click the avatar in the upper left corner, and click the three-point icon in the upper right corner.

2. In the pop-up dialog box, click "Edit Data" to enter the edit data page, and click "Nickname".

3. You don't need to enter a nickname, just click "Save". That's how to set the blank nickname of cool dog.