diff --git a/apps/mtm/views.py b/apps/mtm/views.py
index c5c640be..2bd530b2 100644
--- a/apps/mtm/views.py
+++ b/apps/mtm/views.py
@@ -39,7 +39,7 @@ class MaterialViewSet(CustomModelViewSet):
     ordering = ['name', 'model', 'specification',
                 'type', 'process', 'process__sort', 'sort', 'id', 'number']
     ordering_fields = ['name', 'model', 'specification',
-                       'type', 'process', 'process__sort', 'sort', 'id', 'number']
+                       'type', 'process', 'process__sort', 'sort', 'id', 'number', 'create_time']
 
     def perform_destroy(self, instance):
         from apps.inm.models import MaterialBatch