Video brightness issues on ps4 (the Witcher 3: Wild Hunt)

When I first started the game, I adjusted the video by gamma, the slider was about 2/3 and the wolf symbol was barely visible, I played for a week and began to notice that the video became very dark, and when adjusting the gamma, the slider was set to the end in the right position and the sign was barely visible, but the whole video was also the game became very bright (I play the curling iron