diff --git a/src/page/Meeting/index.tsx b/src/page/Meeting/index.tsx
index d6bc6cb..53277b1 100644
--- a/src/page/Meeting/index.tsx
+++ b/src/page/Meeting/index.tsx
@@ -657,10 +657,12 @@ const Meeting: React.FC = () => {
                 height: 150,
                 key: 'noticeWindow',
               })
-              channel.postMessage({
-                type: 'noticeItem',
-                noticeItem: item
-              });
+              setTimeout(() => {
+                channel.postMessage({
+                  type: 'noticeItem',
+                  noticeItem: item
+                });
+              }, 1000)
             } else {
               api.open({
                 message: '',
@@ -1537,8 +1539,8 @@ const Meeting: React.FC = () => {
         })
         window.electron.createChildWindow({
           url: location.origin + `/#/noticeWindow`,
-          width: 1,
-          height: 1,
+          width: 388,
+          height: 150,
           key: 'noticeWindow',
         })
         setKeyOpenChildWindow('shareScreenWindow', true)