diff --git a/main.js b/main.js
index e9e9532..74518f8 100644
--- a/main.js
+++ b/main.js
@@ -109,195 +109,190 @@ function createWindow() {
     mainWindow = new AppWindow();
     mainWindow.focus();
 }
-
-// 处理单实例
-app.on('session-created', (session) => {
-    if (mainWindow) {
-        if (mainWindow.isMinimized()) mainWindow.restore();
-        mainWindow.focus();
-    }
-})
+const additionalData = { myKey: 'myValue' }
 // 退出房间
 app.on('will-quit', async (event) => {
     await mainWindow.webContents.send('quitAndInstall');
 });
 
 app.on('ready', () => {
-    env = process.argv.find((arg) => arg.startsWith('--env='))?.split('=')[1];
-    if (env === 'development') {
-        Object.defineProperty(app, 'isPackaged', {
-            get() {
-                return true
-            }
-        })
-        autoUpdater.updateConfigPath = path.join('latest.yml')
-    }
-    createWindow()
-    updateHandle() // 检查更新
-    createTray()
-    // 获取当前脚本所在目录的绝对路径
-    const currentDirectory = __dirname;
-    // 获取安装父目录
-    const parentDirectory = path.resolve(currentDirectory, '..');
-    const customFolderPath = path.join(parentDirectory, 'Downloads');
-    if (!fs.existsSync(customFolderPath)) {
-        // 如果不存在，则创建文件夹
-        fs.mkdirSync(customFolderPath);
-    }
-    // 监听f12打开控制台
-    mainWindow.webContents.on('before-input-event', (event, input) => {
+    const gotTheLock = app.requestSingleInstanceLock(additionalData)
+    if (gotTheLock) {
+        env = process.argv.find((arg) => arg.startsWith('--env='))?.split('=')[1];
         if (env === 'development') {
-            if (input.key === 'F12') {
-                mainWindow.webContents.openDevTools()
-            }
+            Object.defineProperty(app, 'isPackaged', {
+                get() {
+                    return true
+                }
+            })
+            autoUpdater.updateConfigPath = path.join('latest.yml')
         }
-    });
-    // 监听移动
-    mainWindow.on('move', () => {
-        // 如果是全屏自动恢复到上次窗口大小
-        if (isMaximized) {
-            mainWindow.setResizable(true)
-            mainWindow.unmaximize()
-            isMaximized = false;
+        createWindow()
+        updateHandle() // 检查更新
+        createTray()
+        // 获取当前脚本所在目录的绝对路径
+        const currentDirectory = __dirname;
+        // 获取安装父目录
+        const parentDirectory = path.resolve(currentDirectory, '..');
+        const customFolderPath = path.join(parentDirectory, 'Downloads');
+        if (!fs.existsSync(customFolderPath)) {
+            // 如果不存在，则创建文件夹
+            fs.mkdirSync(customFolderPath);
         }
-        if (mainWindow.isMaximized()) {
-            isMaximized = true;
-        }
-    });
-    // 放大缩小退出窗口
-    ipcMain.handle('setViewStatus', async (event, status) => {
-        switch (status) {
-            case 'quit':
-                await mainWindow.webContents.send('onQuit');
-                break;
-            case 'maximize':
-                mainWindow.maximize()
-                mainWindow.setResizable(false)
-                break;
-            case 'unmaximize':
-                mainWindow.setResizable(true)
-                mainWindow.unmaximize()
-                break;
-            case 'minimize':
-                mainWindow.minimize()
-                break;
-            case 'hide':
-                mainWindow.hide()
-                break;
-        }
-    });
-    // 导出是否全屏
-    ipcMain.handle('getIsMaximized', () => {
-        return mainWindow.isMaximized();
-    });
-    // 获取版本号
-    ipcMain.handle('getVersion', () => {
-        return app.getVersion();
-    });
-    // 获取共享屏幕列表
-    ipcMain.handle('getSources', async () => {
-        return await desktopCapturer.getSources({
-            types: ['screen']
-        });
-    });
-    // 复制文字
-    ipcMain.handle('setWriteText', (event, text) => {
-        clipboard.writeText(text)
-    });
-    // 退出
-    ipcMain.handle('quit', async (event) => {
-        await mainWindow.webContents.send('quitAndInstall');
-        quit()
-    });
-    // 加入房间通知
-    ipcMain.handle('joinNotification', (event, user) => {
-        mainWindow.show()
-        mainWindow.focus();
-    });
-    // 通知下载包
-    ipcMain.handle('updateDownload', (event, data) => {
-        if (data === '0') { // 取消下载
-            cancleDownloadUpdate()
-        } else if (data === '1') { // 开始下载
-            downloadUpdate()
-        } else if (data === '2') { // 下载完成 点击安装
-            quitAndInstall()
-        }
-    });
-    // 选择文件夹
-    ipcMain.handle('selectFilePath', async (event, data) => {
-        const result = await dialog.showOpenDialog({
-            properties: ['openDirectory']
-        });
-        if (result.canceled) {
-
-        } else {
-            switch (data.key) {
-                case 'shareFilesPath':
-                case 'recordingFilesPath':
-                    mainWindow.webContents.send('onFilePath', result.filePaths[0] + '\\', data.key);
-                    break;
-                default:
-                    mainWindow.webContents.send('downFile', {
-                        downFilePaths: result.filePaths[0] + '\\',
-                        fileName: data.fileName,
-                        filePath: data.filePath,
-                    });
-                    break;
-            }
-        }
-    });
-    // 设置桌面应用基础属性
-    ipcMain.handle('setMainWindowSize', (event, config) => {
-        // 设置最小窗口尺寸
-        mainWindow.setMinimumSize(config.width, config.height);
-        // 设置最大尺寸
-        const primaryDisplay = screen.getPrimaryDisplay()
-        const { width, height } = primaryDisplay.workAreaSize
-        if (config.key === 'login') {
-            mainWindow.setMaximumSize(config.width, config.height);
-        } else {
-            mainWindow.setMaximumSize(width, height);
-        }
-        // 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);
-    });
-    // 打开新窗口
-    ipcMain.handle('oepnWindow', (event, data) => {
-        const newWindow = new BrowserWindow({
-            width: 1200,
-            height: 800,
-            minWidth: 1200,
-            minHeight: 800,
-            webPreferences: {
-                contextIsolation: false,
-                nodeIntegration: true,
-                enableRemoteModule: true,
-                nodeIntegrationInWorker: true,
-                allowMediaDevices: true,
-                preload: path.join(__dirname, 'preload.js')
-            },
-            frame: false,
-            backgroundColor: '#00000000',
-            transparent: true,
-        });
-        newWindow.loadURL(data.url);
-        newWindow.focus();
-        newWindow.webContents.on('before-input-event', (event, input) => {
+        // 监听f12打开控制台
+        mainWindow.webContents.on('before-input-event', (event, input) => {
             if (env === 'development') {
                 if (input.key === 'F12') {
-                    newWindow.webContents.openDevTools()
+                    mainWindow.webContents.openDevTools()
                 }
             }
         });
-    });
-});
+        // 监听移动
+        mainWindow.on('move', () => {
+            // 如果是全屏自动恢复到上次窗口大小
+            if (isMaximized) {
+                mainWindow.setResizable(true)
+                mainWindow.unmaximize()
+                isMaximized = false;
+            }
+            if (mainWindow.isMaximized()) {
+                isMaximized = true;
+            }
+        });
+        // 放大缩小退出窗口
+        ipcMain.handle('setViewStatus', async (event, status) => {
+            switch (status) {
+                case 'quit':
+                    await mainWindow.webContents.send('onQuit');
+                    break;
+                case 'maximize':
+                    mainWindow.maximize()
+                    mainWindow.setResizable(false)
+                    break;
+                case 'unmaximize':
+                    mainWindow.setResizable(true)
+                    mainWindow.unmaximize()
+                    break;
+                case 'minimize':
+                    mainWindow.minimize()
+                    break;
+                case 'hide':
+                    mainWindow.hide()
+                    break;
+            }
+        });
+        // 导出是否全屏
+        ipcMain.handle('getIsMaximized', () => {
+            return mainWindow.isMaximized();
+        });
+        // 获取版本号
+        ipcMain.handle('getVersion', () => {
+            return app.getVersion();
+        });
+        // 获取共享屏幕列表
+        ipcMain.handle('getSources', async () => {
+            return await desktopCapturer.getSources({
+                types: ['screen']
+            });
+        });
+        // 复制文字
+        ipcMain.handle('setWriteText', (event, text) => {
+            clipboard.writeText(text)
+        });
+        // 退出
+        ipcMain.handle('quit', async (event) => {
+            await mainWindow.webContents.send('quitAndInstall');
+            quit()
+        });
+        // 加入房间通知
+        ipcMain.handle('joinNotification', (event, user) => {
+            mainWindow.show()
+            mainWindow.focus();
+        });
+        // 通知下载包
+        ipcMain.handle('updateDownload', (event, data) => {
+            if (data === '0') { // 取消下载
+                cancleDownloadUpdate()
+            } else if (data === '1') { // 开始下载
+                downloadUpdate()
+            } else if (data === '2') { // 下载完成 点击安装
+                quitAndInstall()
+            }
+        });
+        // 选择文件夹
+        ipcMain.handle('selectFilePath', async (event, data) => {
+            const result = await dialog.showOpenDialog({
+                properties: ['openDirectory']
+            });
+            if (result.canceled) {
 
+            } else {
+                switch (data.key) {
+                    case 'shareFilesPath':
+                    case 'recordingFilesPath':
+                        mainWindow.webContents.send('onFilePath', result.filePaths[0] + '\\', data.key);
+                        break;
+                    default:
+                        mainWindow.webContents.send('downFile', {
+                            downFilePaths: result.filePaths[0] + '\\',
+                            fileName: data.fileName,
+                            filePath: data.filePath,
+                        });
+                        break;
+                }
+            }
+        });
+        // 设置桌面应用基础属性
+        ipcMain.handle('setMainWindowSize', (event, config) => {
+            // 设置最小窗口尺寸
+            mainWindow.setMinimumSize(config.width, config.height);
+            // 设置最大尺寸
+            const primaryDisplay = screen.getPrimaryDisplay()
+            const { width, height } = primaryDisplay.workAreaSize
+            if (config.key === 'login') {
+                mainWindow.setMaximumSize(config.width, config.height);
+            } else {
+                mainWindow.setMaximumSize(width, height);
+            }
+            // 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);
+        });
+        // 打开新窗口
+        ipcMain.handle('oepnWindow', (event, data) => {
+            const newWindow = new BrowserWindow({
+                width: 1200,
+                height: 800,
+                minWidth: 1200,
+                minHeight: 800,
+                webPreferences: {
+                    contextIsolation: false,
+                    nodeIntegration: true,
+                    enableRemoteModule: true,
+                    nodeIntegrationInWorker: true,
+                    allowMediaDevices: true,
+                    preload: path.join(__dirname, 'preload.js')
+                },
+                frame: false,
+                backgroundColor: '#00000000',
+                transparent: true,
+            });
+            newWindow.loadURL(data.url);
+            newWindow.focus();
+            newWindow.webContents.on('before-input-event', (event, input) => {
+                if (env === 'development') {
+                    if (input.key === 'F12') {
+                        newWindow.webContents.openDevTools()
+                    }
+                }
+            });
+        });
+    }
+});
 // 检测更新，在你想要检查更新的时候执行，renderer事件触发后的操作自行编写
 function updateHandle() {
     autoUpdater.checkForUpdates()
diff --git a/src/components/UpdateModal/index.module.scss b/src/components/UpdateModal/index.module.scss
index 0f04f6a..45afa0a 100644
--- a/src/components/UpdateModal/index.module.scss
+++ b/src/components/UpdateModal/index.module.scss
@@ -1,16 +1,16 @@
 .isUpdateModal {
-  height: 500px;
   background-color: rgb(21, 25, 29);
   background-size: 100% auto;
   background-repeat: no-repeat;
   color: #ffffff;
-  padding: 140px 30px 0;
+  padding: 130px 30px 0;
   box-sizing: border-box;
 
   .remarks {
     width: 100%;
     color: #C8C8C8;
-    height: 70%;
+    min-height: 240px;
+    max-height: 240px;
     overflow-y: auto;
   }
 
@@ -20,7 +20,7 @@
     text-align: center;
 
     .button2 {
-      margin-top: 10px;
+      padding: 10px 0;
       color: #555454;
       cursor: pointer;
       font-size: 14px;
diff --git a/src/utils/styles/App.scss b/src/utils/styles/App.scss
index 27a6c31..16140e3 100644
--- a/src/utils/styles/App.scss
+++ b/src/utils/styles/App.scss
@@ -282,7 +282,7 @@ $pagination-hover-background-color: #5575F2;
     }
 
     .ant-modal-body {
-      max-height: 80vh;
+      max-height: 90vh;
       overflow-y: auto;
     }
   }