diff --git a/server/proj/audio/views.py b/server/proj/audio/views.py
index 4fbff09..4767e1b 100644
--- a/server/proj/audio/views.py
+++ b/server/proj/audio/views.py
@@ -34,7 +34,6 @@ class SongViewSet(GenericViewSet):
         try:
             song_obj = Song.objects.get(azura_id=azura_id)
             favorite_songs = FavoriteSong.objects.get(user=request.user, song=song_obj)
-            serializer = FavoriteSongSerializer(favorite_songs)
             return Response({"is_favorite": True}, status=status.HTTP_200_OK)
         except ObjectDoesNotExist:
             return Response({"is_favorite": False}, status=status.HTTP_200_OK)
diff --git a/server/proj/conf/settings/base.py b/server/proj/conf/settings/base.py
index d99fb5b..e8e6cfe 100644
--- a/server/proj/conf/settings/base.py
+++ b/server/proj/conf/settings/base.py
@@ -183,7 +183,7 @@ CORS_ALLOWED_ORIGINS = [
 from datetime import timedelta
 
 SIMPLE_JWT = {
-    'ACCESS_TOKEN_LIFETIME': timedelta(minutes=180),
+    'ACCESS_TOKEN_LIFETIME': timedelta(days=1),
     'REFRESH_TOKEN_LIFETIME': timedelta(days=30),
   }