diff --git a/README.md b/README.md
index 9e15938..c4f4b7a 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@ For Windows and macOS, download the binary below:
  - Cross platform
  - Visual
  - Batch optimization
- - i18n (简体中文, English)
+ - i18n (English, 简体中文, Nederlands)
 
 ## Built on
 
diff --git a/modules/backend/controller.ts b/modules/backend/controller.ts
index e5e63ca..aa6dc0a 100644
--- a/modules/backend/controller.ts
+++ b/modules/backend/controller.ts
@@ -24,8 +24,13 @@ import __ from '../locales'
 type BrowserWindow = Electron.BrowserWindow
 
 class Controller {
-  windows: number[] = []
-  menu = menuManager
+  private windows: number[] = []
+  private menu = menuManager
+  private readyHook: () => void
+
+  ready = new Promise((resolve) => {
+    this.readyHook = resolve
+  })
 
   start() {
     const shouldQuit = app.makeSingleInstance(this.onOtherInstance)
@@ -155,6 +160,8 @@ class Controller {
       menu.aloneMode = state.aloneMode
       menu.render()
     })
+
+    ipcMain.on(IpcChannel.READY, this.readyHook)
   }
 }
 
diff --git a/modules/backend/menu-actions.ts b/modules/backend/menu-actions.ts
index 51a9aad..6ba7312 100644
--- a/modules/backend/menu-actions.ts
+++ b/modules/backend/menu-actions.ts
@@ -1,3 +1,4 @@
+import * as os from 'os'
 import { Menu, dialog, shell } from 'electron'
 import { EventEmitter } from 'events'
 import controller from './controller'
@@ -19,6 +20,15 @@ export const about = () => {
 }
 
 export const open = () => {
+  const properties = [
+    'openFile',
+    'multiSelections',
+  ]
+
+  if (os.platform() === 'darwin') {
+    properties.push('openDirectory')
+  }
+
   dialog.showOpenDialog({
     title: __('choose_images'),
     filters: [{
@@ -28,11 +38,7 @@ export const open = () => {
         'png',
       ],
     }],
-    properties: [
-      'openFile',
-      'openDirectory',
-      'multiSelections',
-    ],
+    properties: properties as any,
   }, filePaths => {
     controller.receiveFiles(filePaths)
   })
diff --git a/modules/backend/updater.ts b/modules/backend/updater.ts
index 6bff688..ac8e0a1 100644
--- a/modules/backend/updater.ts
+++ b/modules/backend/updater.ts
@@ -13,12 +13,12 @@ autoUpdater.autoDownload = false
 
 autoUpdater.on('update-available', (info: IUpdateInfo) => {
   log.info('update available', info.version, info.path)
-  setTimeout(() => {
+  controller.ready.then(() => {
     const win = controller.getMainWindow()
     if (win) {
       win.webContents.send(IpcChannel.APP_UPDATE, info)
     }
-  }, 2000)
+  })
 })
 
 export default autoUpdater
diff --git a/modules/common/constants.ts b/modules/common/constants.ts
index 83e42b5..a836f2e 100644
--- a/modules/common/constants.ts
+++ b/modules/common/constants.ts
@@ -15,6 +15,7 @@ export const IpcChannel = Enum(
   'SAVED',
   'SYNC',
   'APP_UPDATE',
+  'READY',
 )
 export type IpcChannel = Enum<typeof IpcChannel>
 
diff --git a/modules/locales/en-US.ts b/modules/locales/en-US.ts
index 4c3053e..0ecda47 100644
--- a/modules/locales/en-US.ts
+++ b/modules/locales/en-US.ts
@@ -18,5 +18,5 @@ export default {
   ok: 'OK',
   before_optimized: 'before',
   after_optimized: 'after',
-  new_version: 'New version available',
+  new_version: 'Upgrade',
 }
diff --git a/modules/locales/index.ts b/modules/locales/index.ts
index a76a2c3..cf33ec6 100644
--- a/modules/locales/index.ts
+++ b/modules/locales/index.ts
@@ -1,23 +1,29 @@
 import { app } from 'electron'
 import createLocale, { Gettext } from '../common/i18n'
-import zh_CN from './zh-CN'
 import en_US from './en-US'
+import zh_CN from './zh-CN'
+import nl_NL from './nl-NL'
 
 const texts = {
   'zh-CN': zh_CN,
   'en-US': en_US,
+  'nl-NL': nl_NL,
 }
 
 let gettext: Gettext
 
 // get os language in main or renderer
 export const setup = () => {
-  const locale = app ? app.getLocale() : navigator.language
-  gettext = createLocale(texts, {}, 'en-US', locale)
+  // const locale = app ? app.getLocale() : navigator.language
+  const locale = 'nl-TW'
+  gettext = createLocale(texts, {
+    zh: 'zh-CN',
+    nl: 'nl-NL',
+  }, 'en-US', locale)
 }
 
-// renderer will auto setup
-// main process should call setup on app ready
+// renderer process: auto setup
+// main process: should call setup on app ready
 if (!app) {
   setup()
 }
diff --git a/modules/renderer/App.tsx b/modules/renderer/App.tsx
index 8fd880e..1f34363 100644
--- a/modules/renderer/App.tsx
+++ b/modules/renderer/App.tsx
@@ -8,7 +8,6 @@ import List from './containers/List'
 import ActionBar from './containers/ActionBar'
 import Alone from './containers/Alone'
 import { prevent } from './utils/dom-event'
-import { IpcChannel } from '../common/constants'
 import store from './store/store'
 import * as apis from './apis'
 
diff --git a/modules/renderer/Index.tsx b/modules/renderer/Index.tsx
index 3714206..d14c210 100644
--- a/modules/renderer/Index.tsx
+++ b/modules/renderer/Index.tsx
@@ -1,8 +1,10 @@
+import { ipcRenderer } from 'electron'
 import * as React from 'react'
 import * as ReactDOM from 'react-dom'
 import { AppContainer } from 'react-hot-loader'
 import store from './store/store'
 import App from './App'
+import { IpcChannel } from '../common/constants'
 
 if (process.env.NODE_ENV === 'development') {
   const render = () => {
@@ -26,3 +28,5 @@ if (process.env.NODE_ENV === 'development') {
     document.getElementById('app'),
   )
 }
+
+ipcRenderer.send(IpcChannel.READY)
diff --git a/modules/renderer/containers/ActionBar.less b/modules/renderer/containers/ActionBar.less
index 7fac4ab..707d0af 100644
--- a/modules/renderer/containers/ActionBar.less
+++ b/modules/renderer/containers/ActionBar.less
@@ -14,7 +14,7 @@
     background: none;
     border: 0;
     outline: none;
-    width: 60px;
+    width: 80px;
 
     .icon, span {
       transition: all .2s;
diff --git a/package.json b/package.json
index a30821f..eba187e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "Imagine",
-  "version": "0.1.3",
+  "version": "0.1.4",
   "description": "pngquant gui",
   "homepage": "https://github.com/meowtec/Imagine",
   "main": "./lib/bootstrap.js",