diff --git a/apps/wpm/views.py b/apps/wpm/views.py
index 5efe1b2d..c1412542 100644
--- a/apps/wpm/views.py
+++ b/apps/wpm/views.py
@@ -171,6 +171,8 @@ class MlogViewSet(CustomModelViewSet):
         now = timezone.now()
         if ins.submit_time:
             raise ParseError('该日志已提交!')
+        if ins.mtask and ins.mtask.state == Mtask.MTASK_STOP:
+            raise ParseError('该任务已停止!')
         mlog_submit(ins, self.request.user, now)
         if ins.mtask:
             update_mtask(ins.mtask)