im by no means an expert....but i noticed a few things u could work on to help u........

KEEP UR CHIN TUCKED INTO UR CHEST AND TRY SOME HEAD MOVEMENT UR A STATIONARY TARGET AND ALSO SHARPEN UR JAB(think of ur jab like a wet towel when u use to whip ur mates with when u were a kid) ur jab is that wet towel

kepp at it son your doin fine