diff --git a/apps/pm/views.py b/apps/pm/views.py
index ecde7008..1eb99634 100644
--- a/apps/pm/views.py
+++ b/apps/pm/views.py
@@ -222,7 +222,7 @@ class MtaskViewSet(CustomModelViewSet):
         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=v['handle_user'], count=v['count'])
+            Mtaskb.objects.get_or_create(mtask=mtask, handle_user=v['handle_user'], defaults={"count": v['count']})
         dobjs = Mtaskb.objects.filter(mtask=mtask).exclude(handle_user__in=userIds)
         from apps.wpm.models import Mlog
         if Mlog.objects.filter(mtaskb__in=dobjs).exists():