import os
d = r"C:\laragon\www\worker-system\ai-image-ppt\png"
for f in os.listdir(d):
    if not f.endswith(".PNG"):
        continue
    n = f.replace("投影片", "").replace(".PNG", "")
    os.replace(os.path.join(d, f), os.path.join(d, f"slide{int(n):02d}.png"))
print(sorted(os.listdir(d)))