diff --git a/main.js b/main.js
index a9d298a..0277e83 100644
--- a/main.js
+++ b/main.js
@@ -349,6 +349,14 @@ app.on('ready', () => {
                     break;
             }
         });
+        // 隐藏显示子窗口
+        ipcMain.handle('setChildWindowShow', (event, config) => {
+            if (config.bool) {
+                childWindow[config.key].show()
+            } else {
+                childWindow[config.key].hide()
+            }
+        });
         // 隐藏主窗口
         ipcMain.handle('mainWindowHide', () => {
             mainWindowHide()
diff --git a/preload.js b/preload.js
index 7613583..20db99d 100644
--- a/preload.js
+++ b/preload.js
@@ -94,6 +94,10 @@ window.electron = {
         ipcRenderer.invoke('setChildWindow', config)
     },
     // 隐藏主窗口
+    setChildWindowShow: (config) => {
+        ipcRenderer.invoke('setChildWindowShow', config)
+    },
+    // 隐藏主窗口
     mainWindowHide: () => {
         ipcRenderer.invoke('mainWindowHide')
     },
diff --git a/src/page/Meeting/NoticeWindow/index.tsx b/src/page/Meeting/NoticeWindow/index.tsx
index 84fcfb1..31ca198 100644
--- a/src/page/Meeting/NoticeWindow/index.tsx
+++ b/src/page/Meeting/NoticeWindow/index.tsx
@@ -78,10 +78,9 @@ const NoticeWindow: React.FC = () => {
       time = setInterval(() => {
         const dom = document.getElementsByClassName('ant-notification')
         if (dom.length === 0) {
-          window.electron.setChildWindow({
-            height: 1,
-            width: 1,
+          window.electron.setChildWindowShow({
             key: 'noticeWindow',
+            bool: false
           })
         }
       }, 1000)
diff --git a/src/page/Meeting/index.tsx b/src/page/Meeting/index.tsx
index 9d5efa2..7a07382 100644
--- a/src/page/Meeting/index.tsx
+++ b/src/page/Meeting/index.tsx
@@ -660,17 +660,14 @@ const Meeting: React.FC = () => {
         case 'ApplyToSpeak':
           setIsScreenCapture(bool => {
             if (bool) {
-              window.electron.setChildWindow({
-                width: 388,
-                height: 150,
+              window.electron.setChildWindowShow({
                 key: 'noticeWindow',
+                bool: true
               })
-              setTimeout(() => {
-                channel.postMessage({
-                  type: 'noticeItem',
-                  noticeItem: item
-                });
-              }, 1000)
+              channel.postMessage({
+                type: 'noticeItem',
+                noticeItem: item
+              });
             } else {
               api.open({
                 message: '',
diff --git a/src/render.d.ts b/src/render.d.ts
index 5d64847..597739c 100644
--- a/src/render.d.ts
+++ b/src/render.d.ts
@@ -22,6 +22,7 @@ export interface IElectronAPI {
     getRegistry: () => any;
     createChildWindow: (config: any) => void;
     setChildWindow: (config: any) => void;
+    setChildWindowShow: (config: any) => void;
     closeChildWindow: (key: string) => void;
     mainWindowCenter: () => any;
     mainWindowHide: () => any;