diff --git a/apps/resm/views.py b/apps/resm/views.py
index fde4e9e..51ec7ef 100644
--- a/apps/resm/views.py
+++ b/apps/resm/views.py
@@ -10,7 +10,7 @@ class PaperViewSet(CustomGenericViewSet, CustomListModelMixin):
     queryset = Paper.objects.all()
     serializer_class = PaperListSerializer
     filterset_fields = ["publication_year", "type", "fetch_status",
-                        "has_abstract", "has_fulltext"]
+                        "has_abstract", "has_fulltext", "doi"]
     search_fields = ['title', 'first_author', 'first_author_institution']
     ordering = ["-publication_date", "-create_time"]