diff --git a/main.js b/main.js
index 2c29a81..57a68f6 100644
--- a/main.js
+++ b/main.js
@@ -273,10 +273,7 @@ app.on('ready', () => {
             // 设置窗口尺寸
             mainWindow.setSize(config.width, config.height)
             // 设置窗口位置使其居中于当前屏幕
-            const display = screen.getDisplayMatching({ ...mainWindow.getBounds() });
-            const x = Math.round((display.workArea.width - mainWindow.getSize()[0]) / 2);
-            const y = Math.round((display.workArea.height - mainWindow.getSize()[1]) / 2);
-            mainWindow.setPosition(x, y);
+            mainWindowCenter()
         });
         // 写入注册表
         ipcMain.handle('setRegistry', (event, uuid) => {
@@ -326,14 +323,19 @@ app.on('ready', () => {
                 windowOperation(config)
             })
         });
-        // 隐藏窗口
+        // 关闭子窗口
         ipcMain.handle('closeChildWindow', (event, key) => {
             childWindow[key].close()
             childWindow[key] = ""
-            const display = screen.getDisplayMatching({ ...mainWindow.getBounds() });
-            const x = Math.round((display.workArea.width - mainWindow.getSize()[0]) / 2);
-            const y = Math.round((display.workArea.height - mainWindow.getSize()[1]) / 2);
-            mainWindow.setPosition(x, y);
+            mainWindowCenter()
+        });
+        // 隐藏主窗口
+        ipcMain.handle('mainWindowHide', () => {
+            mainWindowHide()
+        });
+        // 居中主窗口
+        ipcMain.handle('mainWindowCenter', () => {
+            mainWindowCenter()
         });
     }
 });
@@ -412,9 +414,20 @@ function windowOperation(config) {
         child.setPosition(x, 0);
         child.setResizable(false)
         child.setMovable(false)
-        mainWindow.setPosition(-999999, -999999);
+        mainWindowHide()
         if (env === 'development') {
             child.webContents.openDevTools()
         }
     }
+}
+// 主窗口居中
+function mainWindowCenter() {
+    const display = screen.getDisplayMatching({ ...mainWindow.getBounds() });
+    const x = Math.round((display.workArea.width - mainWindow.getSize()[0]) / 2);
+    const y = Math.round((display.workArea.height - mainWindow.getSize()[1]) / 2);
+    mainWindow.setPosition(x, y);
+}
+// 主窗口隐藏
+function mainWindowHide() {
+    mainWindow.setPosition(-999999, -999999);
 }
\ No newline at end of file
diff --git a/preload.js b/preload.js
index 1914a17..73210bf 100644
--- a/preload.js
+++ b/preload.js
@@ -81,4 +81,12 @@ window.electron = {
     closeChildWindow: (key) => {
         ipcRenderer.invoke('closeChildWindow', key)
     },
+    // 隐藏主窗口
+    mainWindowHide: () => {
+        ipcRenderer.invoke('mainWindowHide')
+    },
+    // 居中主窗口
+    mainWindowCenter: () => {
+        ipcRenderer.invoke('mainWindowCenter')
+    },
 }
diff --git a/src/components/StupWizard/index.tsx b/src/components/StupWizard/index.tsx
index 610a1c7..2eb9138 100644
--- a/src/components/StupWizard/index.tsx
+++ b/src/components/StupWizard/index.tsx
@@ -99,6 +99,10 @@ const StupWizard = forwardRef((props: any, ref: any) => {
                                 if (location.hash.indexOf('/meeting') === -1) {
                                     agora.release()
                                 }
+                                if (storage.getItem('isOpenChildWindow') === 'true') {
+                                    window.electron.mainWindowHide()
+                                    storage.setItem('isOpenChildWindow', false)
+                                }
                                 setIsStupWizard(false)
                             }}
                         />
diff --git a/src/page/Meeting/index.tsx b/src/page/Meeting/index.tsx
index 6f49fea..06a65c7 100644
--- a/src/page/Meeting/index.tsx
+++ b/src/page/Meeting/index.tsx
@@ -207,6 +207,10 @@ const Meeting: React.FC = () => {
           await stopScreenCapture()
           await allUserLook(userInfo.uid, userInfo.userName)
           break;
+        case 'setting':
+          stupWizardRef.current.changeModal(3);
+          window.electron.mainWindowCenter()
+          break;
         case 'footerListsTitle':
           switch (footerListsTitle) {
             case '静音':
@@ -1309,6 +1313,7 @@ const Meeting: React.FC = () => {
       //   height: 70,
       //   key: 'shareScreenWindow',
       // })
+      // storage.setItem('isOpenChildWindow', true)
     } else {
       message.error('请选择应用!')
     }
diff --git a/src/page/ShareScreenWindow/index.tsx b/src/page/ShareScreenWindow/index.tsx
index 361ec9a..af5f59a 100644
--- a/src/page/ShareScreenWindow/index.tsx
+++ b/src/page/ShareScreenWindow/index.tsx
@@ -126,6 +126,11 @@ const ShareScreenWindow: React.FC = () => {
                           footerListsTitle: item.title
                         });
                         break;
+                      case '设置':
+                        channel.postMessage({
+                          type: 'setting'
+                        });
+                        break;
                     }
                   }}
                   key={index}>
diff --git a/src/render.d.ts b/src/render.d.ts
index cf22a14..333ce68 100644
--- a/src/render.d.ts
+++ b/src/render.d.ts
@@ -20,6 +20,8 @@ export interface IElectronAPI {
     getRegistry: () => any;
     createChildWindow: (config: any) => void;
     closeChildWindow: (key: string) => void;
+    mainWindowCenter: () => any;
+    mainWindowHide: () => any;
 }
 
 declare global {