diff --git a/src/mcp_synology_filestation/tools/filestation.py b/src/mcp_synology_filestation/tools/filestation.py
index be77ef4..7fe64b8 100644
--- a/src/mcp_synology_filestation/tools/filestation.py
+++ b/src/mcp_synology_filestation/tools/filestation.py
@@ -151,7 +151,7 @@ def register_filestation(
                     "limit": limit,
                     "sort_by": sort_by,
                     "sort_direction": sort_direction,
-                    "additional": json.dumps(["real_path", "size", "time", "perm", "type"]),
+                    "additional": json.dumps(["size", "time"]),
                 },
             )
         except SynologyError as e: