diff --git a/apps/wpm/serializers.py b/apps/wpm/serializers.py
index 5f728a50..66c75bdb 100644
--- a/apps/wpm/serializers.py
+++ b/apps/wpm/serializers.py
@@ -952,9 +952,9 @@ class HandoverSerializer(CustomModelSerializer):
         if attrs["type"] == Handover.H_CHANGE:
             if "material_changed" not in attrs:
                 raise ParseError("必须指定改版后的物料")
-        
-        new_state = None
+            
         if mtype == Handover.H_MERGE:
+            new_state = None
             new_wm:WMaterial = attrs.get("new_wm", None)
             if new_wm:
                 attrs['new_batch'] = new_wm.batch
@@ -992,17 +992,18 @@ class HandoverSerializer(CustomModelSerializer):
         tracking = attrs["material"].tracking
         for ind, item in enumerate(attrs['handoverb']):
             wm = item["wm"]
-            if new_state is None:
-                new_material = wm.material
-                new_state = wm.state
-                new_defect = wm.defect
-            else:
-                if new_material != wm.material:
-                    raise ParseError(f'第{ind+1}行-的物料不一致')
-                if new_state != wm.state:
-                    raise ParseError(f'第{ind+1}行-的物料状态不一致')
-                if new_defect != wm.defect:
-                    raise ParseError(f'第{ind+1}行-的物料缺陷不一致')
+            if mtype == Handover.H_MERGE:
+                if new_state is None:
+                    new_mat = wm.material
+                    new_state = wm.state
+                    new_defect = wm.defect
+                else:
+                    if new_mat != wm.material:
+                        raise ParseError(f'第{ind+1}行-合并的物料不一致')
+                    if new_state != wm.state:
+                        raise ParseError(f'第{ind+1}行-合并的物料状态不一致')
+                    if new_defect != wm.defect:
+                        raise ParseError(f'第{ind+1}行-合并的物料缺陷不一致')
             if tracking == Material.MA_TRACKING_SINGLE:
                 handoverbw = item.get("handoverbw", [])
                 if handoverbw: