diff --git a/hb_server/apps/pm/views.py b/hb_server/apps/pm/views.py
index 145d577..204e593 100644
--- a/hb_server/apps/pm/views.py
+++ b/hb_server/apps/pm/views.py
@@ -176,7 +176,7 @@ class SubProductionPlanViewSet(CreateUpdateModelAMixin, ListModelMixin, UpdateMo
         materials = []
         for i in need:
             materials.append(i['material'])
-        objs = MaterialBatch.objects.filter(material__id__in=materials, count_gt=0).order_by('material__number')
+        objs = MaterialBatch.objects.filter(material__id__in=materials, count__gt=0).order_by('material__number')
         have = MaterialBatchSerializer(instance=objs, many=True).data
         return Response({'need':need, 'have':have})