diff --git a/apps/inm/serializers.py b/apps/inm/serializers.py
index 3521d692..6770119c 100644
--- a/apps/inm/serializers.py
+++ b/apps/inm/serializers.py
@@ -153,7 +153,9 @@ class MIOItemCreateSerializer(CustomModelSerializer):
             validated_data["batch"] = wm.batch
 
         material: Material = validated_data['material']
-        batch = validated_data['batch']
+        batch = validated_data.get("batch", None)
+        if not batch:
+            batch = "无"
         if material.is_hidden:
             raise ParseError('隐式物料不可出入库')
         if mio.type in [MIO.MIO_TYPE_RETURN_IN, MIO.MIO_TYPE_BORROW_OUT]:
diff --git a/apps/inm/services_daoru.py b/apps/inm/services_daoru.py
index defd7ab6..be19207e 100644
--- a/apps/inm/services_daoru.py
+++ b/apps/inm/services_daoru.py
@@ -148,7 +148,7 @@ def daoru_mioitems(path:str, mio:MIO):
         if batch:
             pass
         else:
-            batch = "无批次"
+            batch = "无"
         count = sheet[f"c{ind}"].value
         warehouse_name = sheet[f"d{ind}"].value
         try: