diff --git a/README.md b/README.md
index 2347e1e9..0f331115 100644
--- a/README.md
+++ b/README.md
@@ -159,6 +159,10 @@ yarn run start
 ## 更新日志
 [最新发布](https://github.com/purocean/yn/releases)
 
+### [v2.0.0-beta4.5](https://github.com/purocean/yn/releases/tag/v2.0.0-beta4.5) 2019-08-11
+1. Windows 平台增加安装包
+1. 引入检查更新
+
 ### [v2.0.0-beta4.4](https://github.com/purocean/yn/releases/tag/v2.0.0-beta4.4) 2019-08-10
 1. Windows 平台增加安装包
 1. 引入检查更新
diff --git a/app/package.json b/app/package.json
index ee34f8ab..b73e6b9d 100644
--- a/app/package.json
+++ b/app/package.json
@@ -1,6 +1,6 @@
 {
   "name": "yank.note.yang",
-  "version": "2.0.0-beta4.4",
+  "version": "2.0.0-beta4.5",
   "description": "Yank-Note",
   "main": "dist/app.js",
   "author": {
diff --git a/frontend/package.json b/frontend/package.json
index 4025b0e0..84f83d85 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -24,7 +24,7 @@
     "markdown-it-multimd-table": "^3.1.3",
     "markdown-it-task-lists": "^2.1.1",
     "mime-types": "^2.1.24",
-    "monaco-editor": "^0.13.1",
+    "monaco-editor": "^0.17.1",
     "normalize.css": "^8.0.1",
     "socket.io-client": "^2.2.0",
     "transliteration": "^2.1.3",
diff --git a/frontend/public/index.html b/frontend/public/index.html
index 752ef369..86dff2a2 100644
--- a/frontend/public/index.html
+++ b/frontend/public/index.html
@@ -4,6 +4,15 @@
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width,initial-scale=1.0">
     <title>Yank Note</title>
+    <script>
+      // 强制 monaco-editor 使用 浏览器模式
+      window.nodeRequire = window.require
+      window.nodeProcess = window.process
+      window.nodeModule = window.module
+      window.require = undefined
+      window.process = undefined
+      window.module = undefined
+    </script>
   </head>
   <body>
     <div id="app"></div>
diff --git a/frontend/src/components/MonacoEditor.vue b/frontend/src/components/MonacoEditor.vue
index ba2ad82d..d872db94 100644
--- a/frontend/src/components/MonacoEditor.vue
+++ b/frontend/src/components/MonacoEditor.vue
@@ -6,9 +6,6 @@
 import dayjs from 'dayjs'
 import TurndownService from 'turndown'
 
-const isElectron = !!(window && window.process && window.process.versions && window.process.versions['electron'])
-const appPath = isElectron && window.require('electron').remote.app.getAppPath().replace(/dist$/, '')
-const pathModule = isElectron && window.require('path')
 const keys = {}
 
 export default {
@@ -22,20 +19,14 @@ export default {
     }
   },
   mounted () {
-    if (isElectron && !window.amdRequire) {
-      const amdLoader = window.require(pathModule.resolve(appPath, 'dist/static/vs/loader.js'))
-      window.amdRequire = amdLoader.require
-      this.onGotAmdLoader()
+    if (!window.require) {
+      const loaderScript = document.createElement('script')
+      loaderScript.type = 'text/javascript'
+      loaderScript.src = 'vs/loader.js'
+      loaderScript.addEventListener('load', this.onGotAmdLoader)
+      document.body.appendChild(loaderScript)
     } else {
-      if (!window.require) {
-        const loaderScript = document.createElement('script')
-        loaderScript.type = 'text/javascript'
-        loaderScript.src = 'vs/loader.js'
-        loaderScript.addEventListener('load', this.onGotAmdLoader)
-        document.body.appendChild(loaderScript)
-      } else {
-        this.onGotAmdLoader()
-      }
+      this.onGotAmdLoader()
     }
 
     window.addEventListener('keydown', this.recordKeys, true)
@@ -60,18 +51,7 @@ export default {
       }
     },
     onGotAmdLoader () {
-      const xrequire = isElectron ? window.amdRequire : window.require
-      if (isElectron) {
-        const uriFromPath = path => {
-          let pathName = pathModule.resolve(path).replace(/\\/g, '/')
-          if (pathName.length > 0 && pathName.charAt(0) !== '/') {
-            pathName = '/' + pathName
-          }
-          return encodeURI('file://' + pathName)
-        }
-        xrequire.config({ baseUrl: uriFromPath(pathModule.join(appPath, 'dist/static')) })
-      }
-      xrequire(['vs/editor/editor.main'], () => {
+      window.require(['vs/editor/editor.main'], () => {
         this.initMonaco()
       })
     },
diff --git a/frontend/src/components/TitleBar.vue b/frontend/src/components/TitleBar.vue
index 80001d88..8ea7bd80 100644
--- a/frontend/src/components/TitleBar.vue
+++ b/frontend/src/components/TitleBar.vue
@@ -6,8 +6,9 @@
 
 <script>
 import { mapState } from 'vuex'
+import env from '@/lib/env'
 
-const isElectron = !!(window && window.process && window.process.versions && window.process.versions['electron'])
+const isElectron = env.isElectron
 
 export default {
   name: 'title-bar',
diff --git a/frontend/src/lib/env.js b/frontend/src/lib/env.js
new file mode 100644
index 00000000..70996e2d
--- /dev/null
+++ b/frontend/src/lib/env.js
@@ -0,0 +1,12 @@
+const nodeProcess = window && (window.process || window.nodeProcess)
+const nodeModule = window && (window.module || window.nodeModule)
+const nodeRequire = window && (window.require || window.nodeRequire)
+
+const isElectron = !!(nodeProcess && nodeProcess.versions && nodeProcess.versions['electron'])
+
+export default {
+  process: nodeProcess,
+  module: nodeModule,
+  require: nodeRequire,
+  isElectron
+}
diff --git a/frontend/src/plugins/DrawioPlugin.js b/frontend/src/plugins/DrawioPlugin.js
index 9c20b928..550cd0f4 100644
--- a/frontend/src/plugins/DrawioPlugin.js
+++ b/frontend/src/plugins/DrawioPlugin.js
@@ -1,4 +1,5 @@
 import file from '@/lib/file'
+import env from '@/lib/env'
 
 const Plugin = md => {
   const renderHtml = ({ file, content }) => {
@@ -119,15 +120,16 @@ const openInNewWindow = srcdoc => {
   frame.frameBorder = '0'
   frame.srcdoc = srcdoc
 
-  const isElectron = !!(window && window.process && window.process.versions && window.process.versions['electron'])
-  if (isElectron) {
+  if (env.isElectron) {
     const json = JSON.stringify(frame.outerHTML)
     opener.eval(`
+      document.title = '查看图形'
       document.body.style.height = '100vh'
       document.body.style.margin = '0'
       document.body.innerHTML = ${json}
     `)
   } else {
+    opener.document.title = '查看图形'
     opener.document.body.style.height = '100vh'
     opener.document.body.style.margin = '0'
     opener.document.body.appendChild(frame)
diff --git a/frontend/yarn.lock b/frontend/yarn.lock
index 432d9056..463c5475 100644
--- a/frontend/yarn.lock
+++ b/frontend/yarn.lock
@@ -4784,9 +4784,10 @@ mkdirp@0.5.1, mkdirp@0.5.x, mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.0, mkdirp@
   dependencies:
     minimist "0.0.8"
 
-monaco-editor@^0.13.1:
-  version "0.13.1"
-  resolved "https://registry.yarnpkg.com/monaco-editor/-/monaco-editor-0.13.1.tgz#6b9ce20e4d1c945042d256825eb133cb23315a52"
+monaco-editor@^0.17.1:
+  version "0.17.1"
+  resolved "https://registry.npm.taobao.org/monaco-editor/download/monaco-editor-0.17.1.tgz#8fbe96ca54bfa75262706e044f8f780e904aa45c"
+  integrity sha1-j76WylS/p1JicG4ET494DpBKpFw=
 
 move-concurrently@^1.0.1:
   version "1.0.1"