How to modify the gray gradient background of the background of No.39 2-inch photo

I think all my friends take photos with their mobile phones. They are very fast and fully automatic. Electronic photos can be downloaded directly. Paper can be delivered by express delivery. Can you choose your own background color? .

1, Alipay homepage or WeChat search: just click.

2. Click to enter the photo point and select one-inch photos or popular certificates.

3. Take a photo of yourself or upload a photo to generate a photo with the corresponding background color.