Well, first of all do a quick test, coz it might be a peyronie disease but it might be not. When you get hard, can you straight it all up with your fingers without using too much force and without feeling any pain or discomfort? if you can do that no problem, it might be a curve you were born with or you made yourself (too tight underwear, too much masturbation with the same hand). It it does cause any pain, it might be peyronie disease.
To correct your curvature, jelq against the curve, it's left, push it right. The same with stretching, you can do V stretch to address the curvature better. Other than that, you can get a [words=https://shop.mattersofsize.com/products/sizegenetics-penis-extender]penis [words=https://shop.mattersofsize.com/products/sizegenetics-penis-extender]extender[/words][/words].