u/Glittering-Buy-8340

Hi everyone, I'm not so good at modeling. My model has this kind of issue with the normal or phong angle (idk)

Is there any way to fix it?
Thank you in advance.

https://preview.redd.it/gwtdpsqjk5wg1.png?width=1614&format=png&auto=webp&s=973d84339619aa87e871b8e5b1307777963c3787

https://preview.redd.it/clvusd4mk5wg1.png?width=726&format=png&auto=webp&s=ad43e6fff8dd8344686f19edf8b121dbee419b25

https://preview.redd.it/7sg00s70l5wg1.png?width=372&format=png&auto=webp&s=21e274503ba4d090c6aa65796f3e18ad03aca836