diff --git a/apps/wpm/serializers.py b/apps/wpm/serializers.py
index 7605c18f..72698c8d 100644
--- a/apps/wpm/serializers.py
+++ b/apps/wpm/serializers.py
@@ -498,8 +498,10 @@ class MlogInitSerializer(CustomModelSerializer):
         mtype = attrs['mtype']
         route: Route = attrs['route']
         mgroup: Mgroup = attrs['mgroup']
+        if route is None:
+            raise ParseError('缺少工艺路线')
         if route.process != mgroup.process:
-            raise ValidationError('工序不匹配')
+            raise ParseError('工序不匹配')
         attrs['hour_work'] = route.hour_work
         attrs['material_in'] = route.material_in
         attrs['material_out'] = route.material_out
@@ -507,7 +509,7 @@ class MlogInitSerializer(CustomModelSerializer):
         if mtype == Mlog.MTYPE_OUT:
             supplier = attrs.get('supplier', None)
             if not supplier:
-                raise ValidationError('外协必须选择外协单位')
+                raise ParseError('外协必须选择外协单位')
         if attrs.get('work_end_time', None):
             attrs['handle_date'] = localdate(attrs['work_end_time'])
         return attrs