From 0c25ee75f311a1345d584b7f004cd235682ca3de Mon Sep 17 00:00:00 2001
From: caoqianming <caoqianming@foxmail.com>
Date: Fri, 31 Oct 2025 11:09:22 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20wpr=20change=5For=5Fnew=20wpr=5Ffrom=20?=
 =?UTF-8?q?=E9=85=8D=E7=BD=AE?=
MIME-Version: 1.0
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---
 apps/wpmw/models.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/apps/wpmw/models.py b/apps/wpmw/models.py
index 70827eb1..af092087 100644
--- a/apps/wpmw/models.py
+++ b/apps/wpmw/models.py
@@ -92,8 +92,9 @@ class Wpr(BaseModel):
             raise ParseError(f"请检查-{ins.number}-所属仓库批次")
         if old_wm and ins.wm != old_wm:
             raise ParseError(f"请检查-{ins.number}-所属车间批次")
-
-        ins.wpr_from = wpr_from
+        
+        if wpr_from:
+            ins.wpr_from = wpr_from
         ins.mb = mb
         if mb:
             ins.material = mb.material