diff --git a/hb_server/apps/inm/serializers.py b/hb_server/apps/inm/serializers.py
index 87407a8..357084d 100644
--- a/hb_server/apps/inm/serializers.py
+++ b/hb_server/apps/inm/serializers.py
@@ -88,7 +88,7 @@ class FIFOItemCreateSerializer(serializers.ModelSerializer):
         if fifo.is_audited:
             raise ValidationError('该出入库记录已审核')
         pu_order_item = validated_data.get('pu_order_item', None)
-        material_batch = validated_data.get('material_batch', None)
+        material_batch = validated_data.pop('material_batch', None)
         if fifo.type == FIFO.FIFO_TYPE_PUR_IN and pu_order_item is None:
             raise ValidationError('采购入库需关联采购项')
         else:
@@ -172,7 +172,7 @@ class FIFOOutOtherSerializer(serializers.ModelSerializer):
             obj = FIFO(**validated_data)
             obj.save()
             for i in details:
-                mb = i['material_batch']
+                mb = i.pop('material_batch')
                 i['material'] = mb.material
                 i['batch'] = mb.batch
                 i['warehouse'] = mb.warehouse