diff --git a/apps/inm/views.py b/apps/inm/views.py
index 8d6062c2..3300dccc 100644
--- a/apps/inm/views.py
+++ b/apps/inm/views.py
@@ -247,7 +247,9 @@ class MIOViewSet(CustomModelViewSet):
         mio:MIO = self.get_object()
         if mio.submit_time is not None:
             raise ParseError('该出入库已提交不可装箱')
-        vdata = PackMioSerializer(data=request.data)
+        sr = PackMioSerializer(data=request.data)
+        sr.is_valid(raise_exception=True)
+        vdata = sr.validated_data
         pack_index = vdata["pack_index"]
         mioitems = vdata["mioitems"]
         if not mioitems: