diff --git a/src/main/index.ts b/src/main/index.ts
index 9922d5d..f82b78e 100644
--- a/src/main/index.ts
+++ b/src/main/index.ts
@@ -8,6 +8,7 @@ import { initializeFileManager } from './modules/fileManager';
 import { initializeFonts } from './modules/fonts';
 import { initializeShortcuts, registerShortcuts } from './modules/shortcuts';
 import { initializeTray } from './modules/tray';
+import { setupUpdateHandlers } from './modules/update';
 import { createMainWindow, initializeWindowManager } from './modules/window';
 import { startMusicApi } from './server';
 
@@ -48,6 +49,9 @@ function initialize() {
 
   // 初始化快捷键
   initializeShortcuts(mainWindow);
+
+  // 初始化更新处理程序
+  setupUpdateHandlers(mainWindow);
 }
 
 // 检查是否为第一个实例
diff --git a/src/preload/index.d.ts b/src/preload/index.d.ts
index a52e117..fdebf6e 100644
--- a/src/preload/index.d.ts
+++ b/src/preload/index.d.ts
@@ -13,6 +13,10 @@ declare global {
       miniTray: () => void;
       restart: () => void;
       unblockMusic: (id: number, data: any) => Promise<any>;
+      startDownload: (url: string) => void;
+      onDownloadProgress: (callback: (progress: number, status: string) => void) => void;
+      onDownloadComplete: (callback: (success: boolean, filePath: string) => void) => void;
+      removeDownloadListeners: () => void;
       invoke: (channel: string, ...args: any[]) => Promise<any>;
     };
     $message: any;
diff --git a/src/preload/index.ts b/src/preload/index.ts
index 14c1e0b..c5dc994 100644
--- a/src/preload/index.ts
+++ b/src/preload/index.ts
@@ -12,6 +12,18 @@ const api = {
   openLyric: () => ipcRenderer.send('open-lyric'),
   sendLyric: (data) => ipcRenderer.send('send-lyric', data),
   unblockMusic: (id) => ipcRenderer.invoke('unblock-music', id),
+  // 更新相关
+  startDownload: (url: string) => ipcRenderer.send('start-download', url),
+  onDownloadProgress: (callback: (progress: number, status: string) => void) => {
+    ipcRenderer.on('download-progress', (_event, progress, status) => callback(progress, status));
+  },
+  onDownloadComplete: (callback: (success: boolean, filePath: string) => void) => {
+    ipcRenderer.on('download-complete', (_event, success, filePath) => callback(success, filePath));
+  },
+  removeDownloadListeners: () => {
+    ipcRenderer.removeAllListeners('download-progress');
+    ipcRenderer.removeAllListeners('download-complete');
+  },
   // 歌词缓存相关
   invoke: (channel: string, ...args: any[]) => {
     const validChannels = [