2. Open the "Camera" interface, and click on the photo of P abdominal muscles.
3. After opening the photo preview, slide the setting item at the bottom to the right, find "heightening and shaping", and click.
4. Open the setting interface of "Height-increasing Shaping" and click the abdominal muscle icon on the left.
5. After clicking, you can see an abdominal muscle selection in the photo preview, and then click the control key in the upper left corner of the selection.
6. After clicking, white dots will appear at the four top corners of the abdominal muscle selection area. Drag these points to attach the abdominal muscle selection area to the person's abdomen.