diff --git a/apps/mtm/serializers.py b/apps/mtm/serializers.py
index adfe7d1e..279a968f 100644
--- a/apps/mtm/serializers.py
+++ b/apps/mtm/serializers.py
@@ -186,7 +186,7 @@ class RouteSerializer(CustomModelSerializer):
             instance.material_out = material_out
             instance.save()
             return
-        material_out = Material.objects.get_queryset(all=True).filter(name=material.name, model=material.model, process=process).first()
+        material_out = Material.objects.get_queryset(all=True).filter(name=material.name, model=material.model, process=process, specification=material.specification).first()
         if material_out:
             material_out.is_deleted = False
             material_out.save()
diff --git a/apps/mtm/views.py b/apps/mtm/views.py
index 9f6a6710..1d2edeef 100644
--- a/apps/mtm/views.py
+++ b/apps/mtm/views.py
@@ -37,13 +37,15 @@ class MaterialViewSet(CustomModelViewSet):
     ordering_fields = ['name', 'model', 'specification',
                        'type', 'process', 'process__sort', 'sort', 'id', 'number']
 
+    @transaction.atomic
     def perform_destroy(self, instance):
         from apps.inm.models import MaterialBatch
         if MaterialBatch.objects.filter(material=instance).exists():
             raise ParseError('该物料有库存!')
         if Route.objects.filter(Q(material=instance) | Q(material_in=instance) | Q(material_out=instance)).exists():
             raise ParseError('该物料有工艺路线!')
-        return super().perform_destroy(instance)
+        instance.delete()
+        Material.objects.filter(parent=instance).update(is_deleted=True)
 
     @action(methods=['post'], detail=False, serializer_class=Serializer, perms_map={'post': 'material.create'})
     @transaction.atomic