diff --git a/apps/mtm/serializers.py b/apps/mtm/serializers.py
index 74eed38b..e600f074 100644
--- a/apps/mtm/serializers.py
+++ b/apps/mtm/serializers.py
@@ -212,22 +212,9 @@ class RouteSerializer(CustomModelSerializer):
         material = instance.material
         process = instance.process
 
-        material_out = Material.objects.get_queryset(all=True).filter(name=material.name, 
-        model=material.model, process=process, 
-        specification=material.specification).order_by("type", "-is_hidden", "create_time").first()
-        if material_out:
-            material_out.is_deleted = False
-            if material_out.parent is None:
-                if material_out.id != material.id:
-                    material_out.parent = material
-                material_out.cate = material.cate
-                material_out.tracking = material_out_tracking
-            material_out.save()
-            return material_out
-            
         material_out: Material = Material.objects.get_queryset(all=True).filter(
             type__in=[Material.MA_TYPE_HALFGOOD, Material.MA_TYPE_GOOD], 
-            parent=material, process=process).order_by("type", "-is_hidden", "create_time").first()
+            parent=material, process=process).order_by("create_time").first()
         if material_out:
             material_out.is_deleted = False
             if material_out.parent == material:
@@ -238,6 +225,20 @@ class RouteSerializer(CustomModelSerializer):
                 material_out.tracking = material_out_tracking
             material_out.save()
             return material_out
+
+        material_out = Material.objects.get_queryset(all=True).filter(name=material.name, 
+        model=material.model, process=process, 
+        specification=material.specification).order_by("create_time", "-is_hidden").first()
+        if material_out:
+            material_out.is_deleted = False
+            if material_out.parent is None:
+                if material_out.id != material.id:
+                    material_out.parent = material
+                material_out.cate = material.cate
+                material_out.tracking = material_out_tracking
+            material_out.save()
+            return material_out
+            
         material_out = Material.objects.create(**{'parent': instance.material, 'process': instance.process,
                                                                                           'is_hidden': True, 'name': material.name,
                                                                                           'number': material.number,