diff --git a/hb_server/apps/wpm/serializers.py b/hb_server/apps/wpm/serializers.py
index 6d98c3d..a2f3be0 100644
--- a/hb_server/apps/wpm/serializers.py
+++ b/hb_server/apps/wpm/serializers.py
@@ -14,7 +14,7 @@ from django.db import transaction
 
 class PickDetailSerializer(serializers.Serializer):
     material = serializers.PrimaryKeyRelatedField(queryset=Material.objects.all(), label="物料ID")
-    batch = serializers.CharField(label='物料批次')
+    batch = serializers.CharField(label='物料批次', required=False)
     pick_count = serializers.IntegerField(label="领料数量")
 
 class PickSerializer(serializers.Serializer):