Forehand looks good.

Your footwork on the one backhand I could see clearly could use some work, need to close your stance more. But that could just be because you’re too close to the wall and you didn’t have much time to react.

Speaking of too close, try to get an accurate idea of where the baseline there, or just further back in general.

A good drill that works footwork, fitness, and shot accuracy is to alternate forehand to backhand, two shots on each side: first one down the line, second one crosscourt, then repeat other side. Try to make sure you’re getting into position and closing off your stance for each shot, no need to go for big pace, don’t stop even if you’re not totally on target, and shoot for ‘rallies’ of 100 shots. That’ll get the ol’ legs burning.