diff --git a/apps/carbon/views.py b/apps/carbon/views.py
index c4d70ee..50f3217 100644
--- a/apps/carbon/views.py
+++ b/apps/carbon/views.py
@@ -269,7 +269,7 @@ class WorkViewSet(CustomModelViewSet):
     @transaction.atomic
     def cal_dh(self, request, pk):
         work = self.get_object()
-        sr = WorkDqCalSerializer(work, data=request.data)
+        sr = WorkDhCalSerializer(work, data=request.data)
         sr.is_valid(raise_exception=True)
         sr.save()
         work = Work.objects.get(pk=pk)