1. Click My Options in the lower right corner of the keepb2 application homepage.

2. Click on the icon of the role in the upper left corner.

3. After entering the personal homepage, click the icon on the top cover, and there is a role option on the lower right.

4. Click on the option of the role below.

5. Select the role you want in the role options.

6. Click the checkmark icon in the lower right corner to replace it.