diff --git a/gamdl/interface/types.py b/gamdl/interface/types.py
index f68c79a..7ee9451 100644
--- a/gamdl/interface/types.py
+++ b/gamdl/interface/types.py
@@ -156,6 +156,8 @@ class Cover:
 class AppleMusicMedia:
     media_id: str
     media_metadata: dict
+    index: int = 0
+    total: int = 0
     error: BaseException | None = None
     playlist_metadata: dict | None = None
     playlist_tags: PlaylistTags | None = None