From 07134f32bb382ec3d13b2d6480376e6caebda3de Mon Sep 17 00:00:00 2001
From: caoqianming <caoqianming@foxmail.com>
Date: Wed, 17 Dec 2025 15:34:08 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20handoverserializer=20=E5=85=B3=E4=BA=8En?=
 =?UTF-8?q?ew=5Fwm=E7=9A=84=E5=A4=84=E7=90=862?=
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---
 apps/wpm/serializers.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/apps/wpm/serializers.py b/apps/wpm/serializers.py
index 7045f0e9..b2b75406 100644
--- a/apps/wpm/serializers.py
+++ b/apps/wpm/serializers.py
@@ -1255,7 +1255,7 @@ class HandoverSerializer(CustomModelSerializer):
         next_mat = None
         next_state = None
         next_defect = None
-        if new_wm:
+        if new_wm and attrs["type"] != Handover.H_CHANGE:
             next_mat = new_wm.material
             next_state = new_wm.state
             next_defect = new_wm.defect