diff --git a/apps/inm/services.py b/apps/inm/services.py
index 9dfbfbf4..b6236b46 100644
--- a/apps/inm/services.py
+++ b/apps/inm/services.py
@@ -204,6 +204,8 @@ def do_in(item: MIOItem):
                     batch=item.batch,
                     defaults={"count": 0, "production_dept": production_dept}
         )
+        mb.count = mb.count + item.count
+        mb.save()
         if not is_created:
             raise ParseError("该批次组合件已存在")
         for mia in mias: