diff --git a/apps/pm/serializers.py b/apps/pm/serializers.py
index 314463eb..5bea0059 100644
--- a/apps/pm/serializers.py
+++ b/apps/pm/serializers.py
@@ -55,6 +55,13 @@ class MlogSimpleSerializer(CustomModelSerializer):
         fields = ['id', 'shift_name', 'count_use',
                   'count_ok', 'count_real', 'submit_time']
 
+class MtaskbAddSerializer(CustomModelSerializer):
+    handle_user_name = serializers.StringRelatedField(
+        source='handle_user.name', read_only=True)
+    class Meta:
+        model = Mtaskb
+        fields = ['id', 'handle_user', 'handle_user_name', 'count']
+
 class MtaskbSerializer(CustomModelSerializer):
     handle_user_name = serializers.StringRelatedField(
         source='handle_user.name', read_only=True)
diff --git a/apps/pm/views.py b/apps/pm/views.py
index bc56e17c..f49d41a3 100644
--- a/apps/pm/views.py
+++ b/apps/pm/views.py
@@ -11,7 +11,8 @@ from .filters import MtaskFilter, UtaskFilter
 from .models import Mtask, Utask, Mtaskb
 from .serializers import (MtaskSerializer, SchedueSerializer, UtaskSerializer, 
                             MtaskDaySerializer, MtaskAddInfoSerializer, 
-                            SchedueMtasksSerializer, MtaskbSerializer, MtaskbUpdateSerializer)
+                            SchedueMtasksSerializer, MtaskbSerializer, 
+                            MtaskbUpdateSerializer, MtaskbAddSerializer)
 from .services import PmService
 from django.utils import timezone
 
@@ -206,6 +207,21 @@ class MtaskViewSet(CustomModelViewSet):
         sr.save()
         return Response()
 
+    @action(methods=['post'], detail=True, perms_map={'post': 'mlogb.create'}, serializer_class=MtaskbAddSerializer)
+    @transaction.atomic
+    def add_mtaskb(self, request, *args, **kwargs):
+        mtask = self.get_object()
+        sr = MtaskAddInfoSerializer(data=request.data, many=True)
+        sr.is_valid(raise_exception=True)
+        vdata = sr.validated_data
+        total = 0
+        for v in vdata:
+            total += v['count']
+        if total != mtask.count:
+            raise ParseError('任务数量与分配数量不匹配')
+        for v in vdata:
+            Mtaskb.objects.get_or_create(mtask=mtask, handle_user=vdata['handle_user'], count=vdata['count'])
+        return Response()
 
 class MtaskbViewSet(CustomModelViewSet):
     queryset = Mtaskb.objects.all()