diff --git a/package.json b/package.json
index 2251346..d37b1ac 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "top.yutent.sonist",
-  "version": "2.0.0-alpha-2",
+  "version": "2.0.0-alpha-3",
   "description": "Music Player",
   "main": "src/main.js",
   "scripts": {
diff --git a/src/tools/tray.js b/src/tools/tray.js
index 1c13cb4..1c07a85 100644
--- a/src/tools/tray.js
+++ b/src/tools/tray.js
@@ -21,7 +21,7 @@ function create(ico = nativeImage.createEmpty()) {
   return tray
 }
 
-exports.ctrlTrayBtn = function(win) {
+exports.ctrlTrayBtn = function (win) {
   var next = create(ICON_DICT.next)
   var play = create(ICON_DICT.pause)
   var prev = create(ICON_DICT.prev)
@@ -42,11 +42,14 @@ exports.ctrlTrayBtn = function(win) {
   next.on('click', _ => {
     win.webContents.send('app', { type: 'tray-next', data: { isPlaying } })
   })
-  console.log('ready', prev, play, next)
+
+  win.__prev__ = prev
+  win.__play__ = play
+  win.__next__ = next
   return { prev, play, next }
 }
 
-exports.createAppTray = function(win) {
+exports.createAppTray = function (win) {
   var tray = create(ICON_DICT.app)
   var menuList = Menu.buildFromTemplate([
     {
@@ -65,12 +68,14 @@ exports.createAppTray = function(win) {
     tray.popUpContextMenu(menuList)
   })
 
+  win.__tray__ = tray
   return tray
 }
 
-exports.createLrcTray = function(win) {
+exports.createLrcTray = function (win) {
   var tray = create()
   tray.setTitle('这是顶栏歌词, blablablabla...')
 
+  win.__lrc__ = tray
   return tray
 }
diff --git a/src/tools/windows.js b/src/tools/windows.js
index 9c2aee4..2714913 100644
--- a/src/tools/windows.js
+++ b/src/tools/windows.js
@@ -12,7 +12,7 @@ const createMenu = require('./menu.js')
 /**
  * 应用主窗口
  */
-exports.createMainWindow = function(icon) {
+exports.createMainWindow = function (icon) {
   // 创建浏览器窗口
   let win = new BrowserWindow({
     title: 'sonist',
@@ -61,7 +61,7 @@ exports.createMainWindow = function(icon) {
 /**
  * 应用迷你窗口
  */
-exports.createMiniWindow = function(screen) {
+exports.createMiniWindow = function (screen) {
   let win = new BrowserWindow({
     title: '',
     width: 320,