diff --git a/apps/pm/services.py b/apps/pm/services.py
index a049102c..fabdfc30 100644
--- a/apps/pm/services.py
+++ b/apps/pm/services.py
@@ -311,6 +311,8 @@ class PmService:
         now = timezone.now()
         if mtask.state == Mtask.MTASK_ASSGINED:
             mlogs = Mlog.objects.filter(mtask=mtask)|Mlog.objects.filter(b_mlog__mtask=mtask)
+            if not mlogs.exists():
+                raise ParseError('该任务没有日志')
             if mlogs.filter(submit_time__isnull=True).exists():
                 raise ParseError('存在未提交的日志')
             mtask.state = Mtask.MTASK_SUBMIT