diff --git a/apps/wpm/serializers.py b/apps/wpm/serializers.py
index ed388dea..8592e42f 100644
--- a/apps/wpm/serializers.py
+++ b/apps/wpm/serializers.py
@@ -725,17 +725,20 @@ class MlogbInSerializer(CustomModelSerializer):
                     MlogbDefect.objects.bulk_create(mlogb_defect_objects)
                 ins.cal_count_pn_jgqbl()
             return ins
-    
+
+class MlogbInUpdateSerializer(CustomModelSerializer):
+    mlogbdefect = MlogbDefectSerializer(many=True, required=False)
+    class Meta:
+        model = Mlogb
+        fields = ['id', 'count_use', 'count_pn_jgqbl', 'note', 'mlogbdefect']
+
     def update(self, instance, validated_data):
         mlog: Mlog =  instance.mlog
-        mtask: Mtask = instance.mtask
         mlogbdefect = validated_data.pop("mlogbdefect", None)
-        if Mlogb.objects.filter(mlog=mlog, mtask=mtask, wm_in=validated_data['wm_in'], parent=None).exclude(id=instance.id).exists():
-            raise ParseError('该记录已存在')
         if mlog.submit_time is not None:
             raise ParseError('生产日志已提交不可编辑')
         ins = super().update(instance, validated_data)
-        if mlogbdefect is not None and ins.material_out.tracking == Material.MA_TRACKING_BATCH:
+        if mlogbdefect is not None and ins.material_in.tracking == Material.MA_TRACKING_BATCH:
                 MlogbDefect.objects.filter(mlogb=ins).delete()
                 mlogb_defect_objects = [
                         MlogbDefect(**{**item, "mlogb": ins, "id": idWorker.get_id()})
@@ -745,12 +748,7 @@ class MlogbInSerializer(CustomModelSerializer):
                     MlogbDefect.objects.bulk_create(mlogb_defect_objects)
                 ins.cal_count_notok()
         return ins
-
-class MlogbInUpdateSerializer(CustomModelSerializer):
-    class Meta:
-        model = Mlogb
-        fields = ['id', 'count_use', 'count_break', 'count_pn_jgqbl', 'note']
-
+    
 class MlogbwCreateUpdateSerializer(CustomModelSerializer):
     ftest = FtestProcessSerializer(required=False)
     class Meta:
diff --git a/apps/wpm/views.py b/apps/wpm/views.py
index 0d4b0c55..f70758ec 100644
--- a/apps/wpm/views.py
+++ b/apps/wpm/views.py
@@ -532,6 +532,7 @@ class MlogbInViewSet(CreateModelMixin, UpdateModelMixin, DestroyModelMixin, Cust
     perms_map = {'post': 'mlog.update', 'delete': 'mlog.update', 'put': 'mlog.update'}
     queryset = Mlogb.objects.filter(material_in__isnull=False)
     serializer_class = MlogbInSerializer
+    update_serializer_class = MlogbInUpdateSerializer
 
     @transaction.atomic
     def perform_destroy(self, instance):