diff --git a/apps/wpm/serializers.py b/apps/wpm/serializers.py
index 0d2e1951..09458f32 100644
--- a/apps/wpm/serializers.py
+++ b/apps/wpm/serializers.py
@@ -355,12 +355,12 @@ class MlogSerializer(CustomModelSerializer):
         model = Mlog
         fields = '__all__'
         read_only_fields = EXCLUDE_FIELDS + \
-            ['submit_time', 'submit_user', 'material_outs', "handle_date", "shift"]
+            ['submit_time', 'submit_user', 'material_outs']
         extra_kwargs = {
            "batch": {"required": True},
            "shift": {"required": False},
            "material_out": {"required": True},
-           "work_start_time": {"required": True}
+           "work_start_time": {"required": False}
         }
 
     def create(self, validated_data):
@@ -634,14 +634,20 @@ class MlogSerializer(CustomModelSerializer):
             
         # 时间
         mgroup:Mgroup = attrs['mgroup']
-        work_start_time:datetime = attrs['work_start_time']
-        handle_date, attrs["shift"] = mgroup.get_shift(work_start_time)
-        if mtask and mtask.start_date == mtask.end_date:
-            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')
+        work_start_time:datetime = attrs.get('work_start_time', None)
+        if work_start_time:
+            attrs['handle_date'], attrs["shift"] = mgroup.get_shift(work_start_time)
         else:
-            attrs['handle_date'] = handle_date
+            if "handle_date" in attrs and attrs["handle_date"]:
+                pass
+            else:
+                raise ParseError('缺少生产日期')
+        if mtask and mtask.start_date == mtask.end_date:
+            if attrs['handle_date'] != mtask.end_date:
+                if work_start_time:
+                    raise ParseError('任务日期与生产日期不一致')
+                else:
+                    attrs['handle_date'] = mtask.end_date
 
         handle_user = attrs.get('handle_user', None)
         if handle_user is None and hasattr(self, "request"):
diff --git a/apps/wpm/services.py b/apps/wpm/services.py
index 69aafb13..7bca34cb 100644
--- a/apps/wpm/services.py
+++ b/apps/wpm/services.py
@@ -152,7 +152,7 @@ def mlog_submit(mlog: Mlog, user: User, now: Union[datetime.datetime, None]):
     """
     生产日志提交后需要执行的操作
     """
-    if mlog.work_start_time > timezone.now():
+    if mlog.work_start_time and mlog.work_start_time > timezone.now():
         raise ParseError('操作开始时间不能晚于当前时间')
     if mlog.work_start_time and mlog.work_end_time and mlog.work_end_time < mlog.work_start_time:
         raise ParseError('操作结束时间不能早于操作开始时间')
@@ -385,7 +385,7 @@ def mlog_submit(mlog: Mlog, user: User, now: Union[datetime.datetime, None]):
     mlog.submit_user = user
     mlog.stored_notok = stored_notok
     mlog.stored_mgroup = stored_mgroup
-    if mlog.work_end_time is None:
+    if mlog.work_end_time is None and mlog.work_start_time is not None:
         mlog.work_end_time = now
     mlog.save()