Green spot on the camera and photos

Hi guys

I find the strange thing on my camera and picture result of my iphone 13 pro

if the camera is used to take photos direct to light such sun or lamp, green spot is appearing on the screen and the photo result. Its very annoying since i can not resulting perfect photos. It just happened while i use back camera with 1x magnification

anyione has experience such kind of bug? How to fix it?