As the picture shows, the door is the window opposite to the left. Excuse me, where can I put the shower room and commode?

This seems to have no choice: the toilet hole can't be moved, otherwise it will raise the ground and be troublesome; The bathroom can't rely on the window, so the concealment is not good, so the washbasin can only use the sewer pipe in the upper right corner. Because the distance from the window to the top is relatively small, the mirror is not good for the door in geomantic omen, so you can choose a long and narrow hand basin cabinet, such as 900x400 (the smallest is 350), and put it along the wall at the top of the picture. My personal opinion is for reference only, and I hope it can help you.