After studying photography for a year, I feel that I have learned nothing. What should I do?

Take more pictures by yourself. Look at others' good beats. Think more about the kung fu behind the photographer. It will improve you. Theory is of course necessary, but don't think that you can make a good film if you learn it well. That's how I grew up. If you can, I suggest you find a photographer to learn. You can also be an assistant. Assistants are handyman. If you want to learn, you can learn something. If a photographer has a high level, you can stay with him for a long time.