diff --git a/apps/mtm/serializers.py b/apps/mtm/serializers.py
index 12acc89c..0eabfd65 100644
--- a/apps/mtm/serializers.py
+++ b/apps/mtm/serializers.py
@@ -163,7 +163,7 @@ class RouteSerializer(CustomModelSerializer):
         source='material_out.type', read_only=True)
     material_out_is_hidden = serializers.BooleanField(
         source='material_out.is_hidden', read_only=True)
-    material_out_tracking = serializers.IntegerField(source='material_out.tracking', required=False)
+    material_out_tracking = serializers.IntegerField(write_only=True,  required=False, allow_null=True)
 
     class Meta:
         model = Route
@@ -232,6 +232,7 @@ class RouteSerializer(CustomModelSerializer):
     def create(self, validated_data):
         process = validated_data['process']
         routepack = validated_data.get('routepack', None)
+        material_out_tracking = validated_data.pop("material_out_tracking", Material.MA_TRACKING_BATCH)
         if routepack:
             pass
             # if Route.objects.filter(routepack=routepack, process=process).exists():
@@ -247,6 +248,8 @@ class RouteSerializer(CustomModelSerializer):
             if material_out:
                 if material_out.process is None:
                     material_out.process = process
+                    if material_out_tracking != material_out.tracking:
+                        raise ParseError("物料跟踪类型不一致!请前往物料处修改")
                     if instance.material:
                         material_out.parent = instance.material
                     material_out.save()
@@ -254,12 +257,13 @@ class RouteSerializer(CustomModelSerializer):
                 #     raise ParseError('物料工序错误!请重新选择')
             else:
                 if instance.material:
-                    self.gen_material_out(instance, validated_data.get("material_out_tracking", Material.MA_TRACKING_BATCH))
+                    self.gen_material_out(instance, material_out_tracking)
             return instance
 
     def update(self, instance, validated_data):
         validated_data.pop('material', None)
         process = validated_data.pop('process', None)
+        material_out_tracking = validated_data.pop("material_out_tracking", Material.MA_TRACKING_BATCH)
         with transaction.atomic():
             instance = super().update(instance, validated_data)
             material_out = instance.material_out
@@ -273,10 +277,17 @@ class RouteSerializer(CustomModelSerializer):
                 #     raise ParseError('物料工序错误!请重新选择')
             else:
                 if instance.material:
-                    self.gen_material_out(instance,  validated_data.get("material_out_tracking", Material.MA_TRACKING_BATCH))
+                    self.gen_material_out(instance,  material_out_tracking)
             return instance
 
-
+    def to_representation(self, instance):
+        res = super().to_representation(instance)
+        if instance.material_out:
+            res['material_out_tracking'] = instance.material_out.tracking
+        else:
+            res['material_out_tracking'] = None
+        return res
+        
 class SruleSerializer(CustomModelSerializer):
     belong_dept_name = serializers.CharField(source='belong_dept.name', read_only=True)
     class Meta: