From b852e9b740ba0e4248a7653271cbb537b2bd43f7 Mon Sep 17 00:00:00 2001
From: caoqianming <caoqianming@foxmail.com>
Date: Mon, 7 Apr 2025 10:18:43 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20get=5Fdag=E6=97=B6matin=20matout?=
 =?UTF-8?q?=E4=B8=BA=E7=A9=BA=E6=97=B6=E4=B8=8D=E6=8A=A5=E9=94=99?=
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---
 apps/mtm/models.py | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/apps/mtm/models.py b/apps/mtm/models.py
index fa0326ac..4e5495d0 100644
--- a/apps/mtm/models.py
+++ b/apps/mtm/models.py
@@ -485,14 +485,15 @@ class Route(CommonADModel):
         edges = []
 
         for rq in rqs:
-            source = rq.material_in.id
-            target = rq.material_out.id
-            nodes_set.update([source, target])
-            edges.append({
-                'source': source,
-                'target': target,
-                'label': rq.process.name, 
-            })
+            if rq.material_in and rq.material_out:
+                source = rq.material_in.id
+                target = rq.material_out.id
+                nodes_set.update([source, target])
+                edges.append({
+                    'source': source,
+                    'target': target,
+                    'label': rq.process.name, 
+                })
         # 将批次号排序
         nodes_qs = Material.objects.filter(id__in=nodes_set).order_by("process__sort", "create_time")