diff --git a/apps/mtm/serializers.py b/apps/mtm/serializers.py
index c2ab5add..6098234b 100644
--- a/apps/mtm/serializers.py
+++ b/apps/mtm/serializers.py
@@ -214,9 +214,13 @@ class RouteSerializer(CustomModelSerializer):
 
     def create(self, validated_data):
         process = validated_data['process']
-        material = validated_data.get('material', None)
-        if material and process and Route.objects.filter(material=material, process=process).exists():
+        routepack = validated_data.get('routepack', None)
+        if routepack and Route.objects.filter(routepack=routepack, process=process).exists():
             raise ValidationError('已选择该工序')
+        else:
+            material = validated_data.get('material', None)
+            if material and process and Route.objects.filter(material=material, process=process).exists():
+                raise ValidationError('已选择该工序')
         with transaction.atomic():
             instance = super().create(validated_data)
             material_out = instance.material_out