From 7d2fee8409800df3ce735a00edd3e7cb7976f649 Mon Sep 17 00:00:00 2001
From: caoqianming <caoqianming@foxmail.com>
Date: Mon, 4 Aug 2025 10:09:23 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E4=BB=85=E5=90=88=E6=A0=BC=E5=93=81?=
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---
 apps/wpm/services.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/apps/wpm/services.py b/apps/wpm/services.py
index 3b1c8740..553440a7 100644
--- a/apps/wpm/services.py
+++ b/apps/wpm/services.py
@@ -885,6 +885,8 @@ def handover_submit(handover:Handover, user: User, now: Union[datetime.datetime,
                 else:
                     raise ParseError("改版交接必须指定接收工段")
             elif handover.type == Handover.H_BACK:
+                if wm_from and wm_from.state != WMaterial.WM_OK:
+                    raise ParseError("仅合格品支持退回")
                 if mtype == Handover.H_MERGE and handover.new_wm:
                     wm_to = handover.new_wm
                 else: