1. First find the icon of Mito Xiu Xiu, click to enter the main interface, then enter the personal watermark page, and then select the+sign.

2. Secondly, select the handwritten signature option in the screen.

3. Then design your own exclusive watermark according to your own needs. When finished, select Done, click your favorite color, and then select the arrow at the bottom right of the screen.

4. Finally, adjust the watermark position, then set the corresponding transparency, and then select the check mark. I successfully designed my own personal watermark, and the operation was completed.