diff --git a/apps/wpm/serializers.py b/apps/wpm/serializers.py
index 4977214d..e3a04818 100644
--- a/apps/wpm/serializers.py
+++ b/apps/wpm/serializers.py
@@ -1077,6 +1077,9 @@ class MlogbOutUpdateSerializer(CustomModelSerializer):
     #             raise ParseError("mlogbdefect仅支持批次件")
     #     return ins
     def update(self, instance, validated_data):
+        mlog:Mlog = instance.mlog
+        if mlog.submit_time is not None:
+            raise ParseError('生产日志已提交不可编辑')
         mlogbdefect = validated_data.pop("mlogbdefect", None)
         with transaction.atomic():
             ins:Mlogb = super().update(instance, validated_data)
@@ -1107,9 +1110,6 @@ class MlogbOutUpdateSerializer(CustomModelSerializer):
             return ins
     
     def validate(self, attrs):
-        mlog: Mlog = attrs.get("mlog")
-        if mlog.submit_time is not None:
-            raise ParseError('生产日志已提交不可编辑')
         mlogbdefect = attrs.get("mlogbdefect", [])
         if mlogbdefect:
             attrs.pop("count_notok_json", None)