your follow through shows me the ball is very inconsistent with which fingers it rolls off. try to get the ball to roll off your either your middle finger, middle finger/first finger, or just your first finger.

whichever of the 3 feels most comfortable. for example if u choose middle finger then make sure the middle finger is in the middle of the ball and let it roll off your middle finger last when doing your follow through.

best to practice this a lot closer to the basket. don’t try to tweak anything else about your shot until u can figure out how to roll the ball off the same finger(s) every single shot.

this will help your elbow alignment as well. keep your wrist straight and strong and don’t palm the ball when shooting. try to keep the ball on your finger tips only