diff --git a/apps/wpm/serializers.py b/apps/wpm/serializers.py
index d8a45a78..39944b65 100644
--- a/apps/wpm/serializers.py
+++ b/apps/wpm/serializers.py
@@ -639,8 +639,6 @@ class MlogSerializer(CustomModelSerializer):
             attrs['handle_date'] = mtask.end_date
             if attrs['handle_date'] != handle_date:
                 raise ParseError('任务日期与生产日期不一致')
-            else:
-                attrs['handle_date'] = handle_date
         else:
             attrs['handle_date'] = handle_date
 
@@ -688,8 +686,6 @@ class MlogInitSerializer(CustomModelSerializer):
             supplier = attrs.get('supplier', None)
             if not supplier:
                 raise ParseError('外协必须选择外协单位')
-        if attrs.get('work_start_time', None) and 'handle_date' not in attrs:
-            attrs['handle_date'] = localdate(attrs['work_end_time'])
         # 如果已经确定产出，则自动获取qct
         if attrs.get("material_out", None):
             attrs["qct"] = Qct.get(attrs["material_out"], "process", "out")
@@ -700,12 +696,14 @@ class MlogInitSerializer(CustomModelSerializer):
 class MlogChangeSerializer(CustomModelSerializer):
     class Meta:
         model = Mlog
-        fields = ['id', 'work_end_time', 'handle_user', 'note', 'oinfo_json', 'test_file', 'test_user', 'test_time', 'equipment', "team"]
+        fields = ['id', 'work_start_time', 'work_end_time', 'handle_user', 'note', 'oinfo_json', 'test_file', 'test_user', 'test_time', 'equipment', "team"]
     
-    # def validate(self, attrs):
-    #     if attrs.get('work_end_time', None):
-    #         attrs['handle_date'] = localdate(attrs['work_end_time'])
-    #     return attrs
+    def update(self, instance, validated_data):
+        work_start_time = validated_data.get('work_start_time', None)
+        if work_start_time:
+            mgroup:Mgroup = instance.mgroup
+            validated_data["handle_date"], validated_data["shift"] = mgroup.get_shift(work_start_time)
+        return super().update(instance, validated_data)
 
 
 class CountJsonSerializer(serializers.Serializer):