From 30dbeacdd07b6e70b13dce8d5c2026e349d46b81 Mon Sep 17 00:00:00 2001
From: caoqianming <caoqianming@foxmail.com>
Date: Thu, 25 Jan 2024 09:45:12 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=AE=E6=94=B9mio=E6=9F=A5=E8=AF=A2?=
 =?UTF-8?q?=E6=9D=A1=E4=BB=B6=E4=BB=A5=E6=94=AF=E6=8C=81materials=E4=B8=BA?=
 =?UTF-8?q?=E7=A9=BA=E7=9A=84=E6=83=85=E5=86=B5?=
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---
 apps/inm/filters.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/apps/inm/filters.py b/apps/inm/filters.py
index 9b729afc..ac89822e 100644
--- a/apps/inm/filters.py
+++ b/apps/inm/filters.py
@@ -1,5 +1,6 @@
 from django_filters import rest_framework as filters
 from apps.inm.models import MaterialBatch, MIO
+from django.db.models import Q
 
 
 class MaterialBatchFilter(filters.FilterSet):
@@ -32,10 +33,10 @@ class MioFilter(filters.FilterSet):
 
     def filter_materials__type(self, queryset, name, value):
         if value:
-            return queryset.filter(materials__type=value).distinct()
+            return queryset.filter(Q(materials__type=value) | Q(materials__isnull=True)).distinct()
         return queryset
 
     def filter_materials__type__in(self, queryset, name, value):
         if value:
-            return queryset.filter(materials__type__in=value.split(',')).distinct()
+            return queryset.filter(Q(materials__type__in=value.split(',')) | Q(materials__isnull=True)).distinct()
         return queryset