fix(download): check local file correctly

download_images.py

@@ -61,7 +61,9 @@ def fetch_posts_to_queue():
         (post_id, file_url, file_ext) = post
 
         # Check if the file already exists
-        if os.path.exists(os.path.join(OUT_DIR, f"{post_id}.{file_ext}")):
+        if os.path.exists(
+            os.path.join(OUT_DIR, f"{post_id % 1000:04d}", f"{post_id}.{file_ext}")
+        ):
             continue
 
         # Check if the file_ext is an image