diff --git a/apps/mtm/views.py b/apps/mtm/views.py
index 14fbd5ae..18a6df84 100644
--- a/apps/mtm/views.py
+++ b/apps/mtm/views.py
@@ -69,7 +69,11 @@ class MaterialViewSet(CustomModelViewSet):
             'week_esitimate_consume', None)
         obj.save()
         return Response()
-
+    
+    @action(methods=['get'], detail=False, serializer_class=Serializer, perms_map={'get': '*'})
+    def cates(self, request, *args, **kwargs):
+        res = Material.objects.exclude(cate='').exclude(cate=None).values_list('cate', flat=True).distinct()
+        return Response(set(res))
 
 class ShiftViewSet(ListModelMixin, CustomGenericViewSet):
     """