Is it like the camera is on a table? seems like it from the right part of it, where it seems the table ends.
Lineweight in general makes it a bit confusing, since it's heavy all the way to the back, normally you want a heavier lineweight for closer elements and light weight for elements further back. The right part of the closet also seems to hit at it being bigger than it is. It's like the top part stretches down a bit too much.
It's only the first exercice in perspective though, and perspective can be tough. Keep at it!