diff --git a/apps/pm/serializers.py b/apps/pm/serializers.py
index 1dd8cf8b..f302ead5 100644
--- a/apps/pm/serializers.py
+++ b/apps/pm/serializers.py
@@ -33,14 +33,10 @@ class UtaskSerializer(CustomModelSerializer):
         return attrs
 
     def update(self, instance, validated_data):
-        if instance.state in [Mtask.MTASK_STOP, Mtask.MTASK_SUBMIT]:
-            raise ValidationError('任务该状态下不可编辑')
-        if instance.state == Mtask.MTASK_CREATED:
-            new_data = {key: validated_data[key] for key in [
-                'number', 'count', 'start_date', 'end_date']}
-        else:
-            new_data = {key: validated_data[key] for key in [
-                'peifen_kg']}
+        if instance.state != Utask.UTASK_CREATED:
+            raise ValidationError('任务非创建中不可编辑')
+        new_data = {key: validated_data[key] for key in [
+            'number', 'count', 'start_date', 'end_date']}
         return super().update(instance, new_data)
 
 
@@ -87,3 +83,9 @@ class SchedueSerializer(serializers.Serializer):
 class MtaskDaySerializer(serializers.Serializer):
     belong_dept_name = serializers.CharField(label='车间名称')
     date = serializers.DateField(label='日期')
+
+
+class MtaskAddInfoSerializer(CustomModelSerializer):
+    class Meta:
+        model = Mtask
+        fields = ['peifen_kg']
\ No newline at end of file
diff --git a/apps/pm/views.py b/apps/pm/views.py
index 0725254f..b44de792 100644
--- a/apps/pm/views.py
+++ b/apps/pm/views.py
@@ -9,7 +9,7 @@ from apps.utils.viewsets import CustomModelViewSet
 
 from .filters import MtaskFilter, UtaskFilter
 from .models import Mtask, Utask
-from .serializers import MtaskSerializer, SchedueSerializer, UtaskSerializer, MtaskDaySerializer
+from .serializers import MtaskSerializer, SchedueSerializer, UtaskSerializer, MtaskDaySerializer, MtaskAddInfoSerializer
 from .services import PmService
 from django.utils import timezone
 
@@ -182,3 +182,16 @@ class MtaskViewSet(CustomModelViewSet):
         for mtask in mtasks:
             PmService.mtask_submit(mtask, self.request.user)
         return Response()
+
+    @action(methods=['post'], detail=True, perms_map={'post': 'mlog.create'}, serializer_class=MtaskAddInfoSerializer)
+    @transaction.atomic
+    def add_info(self, request, *args, **kwargs):
+        """添加与任务相关的日志信息
+
+        添加与任务相关的日志信息
+        """
+        obj = self.get_object()
+        sr = MtaskAddInfoSerializer(instance=obj, data=request.data)
+        sr.is_valid(raise_exception=True)
+        sr.save()
+        return Response()
\ No newline at end of file