diff --git a/apps/wpm/serializers.py b/apps/wpm/serializers.py
index dcc7670d..7045f0e9 100644
--- a/apps/wpm/serializers.py
+++ b/apps/wpm/serializers.py
@@ -1197,13 +1197,12 @@ class HandoverSerializer(CustomModelSerializer):
             attrs['type'] = Handover.H_NORMAL
         
         mtype = attrs["mtype"]
-        new_state = None
+
+        new_wm:WMaterial = attrs.get("new_wm", None)
+
         if mtype == Handover.H_MERGE:
-            new_wm:WMaterial = attrs.get("new_wm", None)
             if new_wm:
                 attrs['new_batch'] = new_wm.batch
-                new_state = new_wm.state
-                new_defect = new_wm.defect
                 if attrs["type"] == Handover.H_CHANGE:
                     attrs["material_changed"] = new_wm.material
                     attrs["state_changed"] = new_wm.state
@@ -1252,6 +1251,14 @@ class HandoverSerializer(CustomModelSerializer):
         #     raise ParseError('正常交接收料工段与送料工段不能相同')
         t_count = 0
         tracking = attrs["material"].tracking
+        
+        next_mat = None
+        next_state = None
+        next_defect = None
+        if new_wm:
+            next_mat = new_wm.material
+            next_state = new_wm.state
+            next_defect = new_wm.defect
         for ind, item in enumerate(attrs['handoverb']):
             if item["count"] > 0:
                 pass
@@ -1259,16 +1266,16 @@ class HandoverSerializer(CustomModelSerializer):
                 raise ParseError(f'第{ind+1}行-交接数量必须大于0')
             wm = item["wm"]
             if mtype == Handover.H_MERGE:
-                if new_state is None:
-                    new_mat = wm.material
-                    new_state = wm.state
-                    new_defect = wm.defect
+                if next_mat is None:
+                    next_mat = wm.material
+                    next_state = wm.state
+                    next_defect = wm.defect
                 else:
-                    if new_mat != wm.material:
+                    if next_mat != wm.material:
                         raise ParseError(f'第{ind+1}行-合并的物料不一致')
-                    if new_state != wm.state:
+                    if next_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:
+                    if next_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", [])