diff --git a/hb_server/apps/wpm/views.py b/hb_server/apps/wpm/views.py
index 7a020cd..a9a6599 100644
--- a/hb_server/apps/wpm/views.py
+++ b/hb_server/apps/wpm/views.py
@@ -139,7 +139,7 @@ class WMaterialViewSet(CreateUpdateModelAMixin, ListModelMixin, GenericViewSet):
     车间物料表
     """
     perms_map={'*':'*'}
-    queryset = WMaterial.objects.select_related('material', 'subproduction_plan').filter(count_gt=0)
+    queryset = WMaterial.objects.select_related('material', 'subproduction_plan').filter(count__gt=0)
     serializer_class = WMaterialListSerializer
     filterset_class = WMaterialFilterSet
     ordering_fields = ['material__number']