diff --git a/src/page/Meeting/NoticeWindow/index.tsx b/src/page/Meeting/NoticeWindow/index.tsx
index 6a00b7b..3692eb5 100644
--- a/src/page/Meeting/NoticeWindow/index.tsx
+++ b/src/page/Meeting/NoticeWindow/index.tsx
@@ -88,6 +88,10 @@ const NoticeWindow: React.FC = () => {
     }
     return () => {
       channel.close();
+      window.electron.setChildWindowShow({
+        key: 'noticeWindow',
+        bool: false
+      })
     };
   }, []);
   return (