diff --git a/apps/wpm/serializers.py b/apps/wpm/serializers.py
index b2b75406..968ae690 100644
--- a/apps/wpm/serializers.py
+++ b/apps/wpm/serializers.py
@@ -1199,20 +1199,17 @@ class HandoverSerializer(CustomModelSerializer):
         mtype = attrs["mtype"]
 
         new_wm:WMaterial = attrs.get("new_wm", None)
+        if new_wm:
+            attrs['new_batch'] = new_wm.batch
+            if attrs["type"] == Handover.H_CHANGE:
+                attrs["material_changed"] = new_wm.material
+                attrs["state_changed"] = new_wm.state
 
         if mtype == Handover.H_MERGE:
-            if new_wm:
-                attrs['new_batch'] = new_wm.batch
-                if attrs["type"] == Handover.H_CHANGE:
-                    attrs["material_changed"] = new_wm.material
-                    attrs["state_changed"] = new_wm.state
             if not attrs.get("new_batch", None):
                 raise ParseError("必须指定合并后的批次")
             if 'undefined' in attrs['new_batch'] or 'null' in attrs['new_batch'] or '#' in attrs['new_batch']:
                 raise ParseError("新批次号含有不允许信息!")
-        else:
-            attrs['new_batch'] = None
-            attrs['new_wm'] = None
 
         if attrs["type"] == Handover.H_CHANGE:
             if "material_changed" in attrs and attrs["material_changed"]: