diff --git a/lama_cleaner/file_manager/file_manager.py b/lama_cleaner/file_manager/file_manager.py
index 9e4cfb4..961016c 100644
--- a/lama_cleaner/file_manager/file_manager.py
+++ b/lama_cleaner/file_manager/file_manager.py
@@ -122,11 +122,13 @@ class FileManager(FileSystemEventHandler):
 
     @property
     def media_names(self):
-        return self.image_dir_filenames
+        # return self.image_dir_filenames
+        return self._media_names(self.root_directory)
 
     @property
     def output_media_names(self):
-        return self.output_dir_filenames
+        return self._media_names(self.output_dir)
+        # return self.output_dir_filenames
 
     @staticmethod
     def _media_names(directory: Path):
diff --git a/lama_cleaner/server.py b/lama_cleaner/server.py
index 45f2136..4eae2d3 100644
--- a/lama_cleaner/server.py
+++ b/lama_cleaner/server.py
@@ -109,10 +109,10 @@ def medias(tab):
         response = make_response(jsonify(thumb.media_names), 200)
     else:
         response = make_response(jsonify(thumb.output_media_names), 200)
-    response.last_modified = thumb.modified_time[tab]
+    # response.last_modified = thumb.modified_time[tab]
     # response.cache_control.no_cache = True
     # response.cache_control.max_age = 0
-    response.make_conditional(request)
+    # response.make_conditional(request)
     return response
 
 
@@ -374,7 +374,7 @@ def main(args):
         app.config["THUMBNAIL_MEDIA_ROOT"] = args.input
         app.config["THUMBNAIL_MEDIA_THUMBNAIL_ROOT"] = os.path.join(args.output_dir, 'lama_cleaner_thumbnails')
         thumb.output_dir = Path(args.output_dir)
-        thumb.start()
+        # thumb.start()
         # try:
         #     while True:
         #         time.sleep(1)