diff --git a/server/apps/ability/views_qtask.py b/server/apps/ability/views_qtask.py
index d0a6972..7e29bc6 100644
--- a/server/apps/ability/views_qtask.py
+++ b/server/apps/ability/views_qtask.py
@@ -93,8 +93,9 @@ class QOrgViewSet(ListModelMixin, GenericViewSet):
         mydept = user.dept
         belong_depts = get_child_queryset2(mydept)
         queryset = queryset.filter(org__in = belong_depts)
-        dept = self.request.query_params.get('org', mydept.id)
-        queryset = queryset.filter(org=dept)
+        deptId = self.request.query_params.get('org', mydept.id)
+        if deptId:
+            queryset = queryset.filter(org__id=deptId)
         page = self.paginate_queryset(queryset)
         if page is not None:
             serializer = self.get_serializer(page, many=True)