diff --git a/apps/mtm/serializers.py b/apps/mtm/serializers.py
index 8827eabb..d21758a7 100644
--- a/apps/mtm/serializers.py
+++ b/apps/mtm/serializers.py
@@ -253,15 +253,13 @@ class RouteSerializer(CustomModelSerializer):
             else:
                 if instance.material:
                     instance.material_out = self.gen_material_out(instance, material_out_tracking)
-                    need_save = True
-            rx = Route.objects.filter(material_in=instance.material_in, material_out=instance.material_out, process=process).first()
+                    instance.save()
+            rx = Route.objects.filter(material_in=instance.material_in, material_out=instance.material_out, process=process).exclude(id=instance.id).first()
             if rx:
                 msg = ""
                 if rx.routepack:
                     msg = rx.routepack.name
                 raise ParseError(f"该工艺步骤已存在-{msg}")
-            if need_save:
-                instance.save()
             return instance
 
     def update(self, instance, validated_data):
@@ -285,15 +283,13 @@ class RouteSerializer(CustomModelSerializer):
             else:
                 if instance.material:
                     instance.material_out = self.gen_material_out(instance,  material_out_tracking)
-                    need_save = True
+                    instance.save()
             rx = Route.objects.filter(material_in=instance.material_in, material_out=instance.material_out, process=process).exclude(id=instance.id).first()
             if rx:
                 msg = ""
                 if rx.routepack:
                     msg = rx.routepack.name
                 raise ParseError(f"该工艺步骤已存在-{msg}")
-            if need_save:
-                instance.save()
             return instance
 
     def to_representation(self, instance):