diff --git a/README.md b/README.md
index 05a73a8e..a4382931 100644
--- a/README.md
+++ b/README.md
@@ -159,7 +159,7 @@ yarn run start
 ## 更新日志
 [最新发布](https://github.com/purocean/yn/releases)
 
-### [v2.0.0-beta7.11](https://github.com/purocean/yn/releases/tag/v2.0.0-beta7.11) 2019-08-21
+### [v2.0.0-beta7.12](https://github.com/purocean/yn/releases/tag/v2.0.0-beta7.12) 2019-08-22
 1. 增加 2.0 计划
 1. Electron 打包
 1. 增加 HTML 小工具渲染
@@ -172,6 +172,9 @@ yarn run start
 1. 重构前端代码便于拓展
 1. 前端重构文件接口
 
+<details>
+<summary>展开查看更多版本记录</summary>
+
 ### [v1.23.0](https://github.com/purocean/yn/releases/tag/v1.23.0) 2019-07-09
 1. 增加转换所有外链图片到本地功能 `Ctrl + Alt + L`
 
@@ -300,3 +303,5 @@ yarn run start
 1. 调整为暗色主题
 1. 图片新标签预览
 1. 增加文件筛选面板 Ctrl + p
+
+</details>
diff --git a/frontend/src/components/ContextMenu.vue b/frontend/src/components/ContextMenu.vue
index 9893dfb0..0b53884a 100644
--- a/frontend/src/components/ContextMenu.vue
+++ b/frontend/src/components/ContextMenu.vue
@@ -24,9 +24,11 @@ export default {
   mounted () {
     this.mouseX = 0
     this.mouseY = 0
+    window.addEventListener('blur', this.hide)
     window.addEventListener('mousemove', this.recordMousePosition)
   },
   beforeDestroy () {
+    window.removeEventListener('blur', this.hide)
     window.removeEventListener('mousemove', this.recordMousePosition)
   },
   methods: {
diff --git a/frontend/src/components/MonacoEditor.vue b/frontend/src/components/MonacoEditor.vue
index 9d6ddd95..7ea04a01 100644
--- a/frontend/src/components/MonacoEditor.vue
+++ b/frontend/src/components/MonacoEditor.vue
@@ -126,7 +126,13 @@ export default {
       })
 
       this.editor.addCommand(KM.Shift | KC.Enter, () => {
-        this.insert(this.editor.getModel().getOneIndent())
+        // getOneIndent 接口被移除了 https://github.com/microsoft/monaco-editor/issues/1565
+        const getOneIndent = editor => {
+          const options = editor.getModel().getOptions()
+          return options.insertSpaces ? ' '.repeat(options.tabSize) : '\t'
+        }
+
+        this.insert(getOneIndent(this.editor))
       })
 
       this.editor.addCommand(KM.CtrlCmd | KM.Shift | KC.UpArrow, () => {
@@ -172,15 +178,6 @@ export default {
           { beforeText: /^\s*1. .*$/, action: { indentAction: window.monaco.languages.IndentAction.None, appendText: '1. ' } }
         ]
       })
-
-      // this.editor.addCommand(KC.Enter, () => {
-      //   const p = this.editor.getPosition()
-      //   this.editor.executeEdits('', [{
-      //     range: new window.monaco.Range(p.lineNumber, p.column, p.lineNumber, p.column),
-      //     text: '\nresult',
-      //     forceMoveMarkers: true
-      //   }])
-      // })
     },
     paste (e) {
       if (this.editor.hasTextFocus()) {
diff --git a/frontend/src/components/TitleBar.vue b/frontend/src/components/TitleBar.vue
index 32b177a9..a45662cb 100644
--- a/frontend/src/components/TitleBar.vue
+++ b/frontend/src/components/TitleBar.vue
@@ -1,5 +1,6 @@
 <template>
   <div class="title-bar" :style="titleBarStyles">
+    <div v-if="win" class="resizer"></div>
     <h4 class="title">
       <img v-if="win" @dblclick="close" class="logo" src="~@/assets/icon.png" alt="logo">
       <span>{{statusText}}</span>
@@ -8,16 +9,16 @@
       <div title="置顶窗口" :class="{btn: true, pin: true, ontop: isAlwaysOnTop}" @click="toggleAlwaysOnTop">
         <y-icon class="pin-icon" name="thumbtack"></y-icon>
       </div>
-      <div class="btn" @click="minimize">
+      <div title="最小化" class="btn" @click="minimize">
         <div class="icon minimize"></div>
       </div>
-      <div v-if="isMaximized" class="btn" @click="unmaximize">
+      <div title="还原" v-if="isMaximized" class="btn" @click="unmaximize">
         <div class="icon unmaximize"></div>
       </div>
-      <div v-else class="btn" @click="maximize">
+      <div title="最大化" v-else class="btn" @click="maximize">
         <div class="icon maximize"></div>
       </div>
-      <div class="btn" @click="close">
+      <div title="关闭" class="btn btn-close" @click="close">
         <div class="icon close"></div>
       </div>
     </div>
@@ -162,7 +163,6 @@ export default {
 </script>
 
 <style scoped>
-
 .title-bar {
   background: #4e4e4e;
   color: #eee;
@@ -173,6 +173,15 @@ export default {
   justify-content: center;
   -webkit-user-select: none;
   -webkit-app-region: drag;
+  position: relative;
+}
+
+.resizer {
+  position: absolute;
+  top: 0;
+  width: 100%;
+  height: 20%;
+  -webkit-app-region: no-drag;
 }
 
 .title {
@@ -233,6 +242,10 @@ export default {
   mask: url(~@/assets/window-close.svg) no-repeat 50% 50%;
 }
 
+.action .btn.btn-close:hover {
+  background-color: rgba(232, 17, 35, .9)
+}
+
 .action .btn:hover {
   background-color:  hsla(0, 0%, 100%, .1)
 }
diff --git a/frontend/src/components/Tree.vue b/frontend/src/components/Tree.vue
index e6c30ee2..a6875a09 100644
--- a/frontend/src/components/Tree.vue
+++ b/frontend/src/components/Tree.vue
@@ -25,6 +25,7 @@ export default {
     this.$bus.on('file-uploaded', this.refresh)
     this.$bus.on('file-marked', this.refresh)
     this.$bus.on('file-unmarked', this.refresh)
+    this.$bus.on('tree-refresh', this.refresh)
     this.refresh()
   },
   beforeDestroy () {
@@ -34,6 +35,7 @@ export default {
     this.$bus.off('file-uploaded', this.refresh)
     this.$bus.off('file-marked', this.refresh)
     this.$bus.off('file-unmarked', this.refresh)
+    this.$bus.off('tree-refresh', this.refresh)
   },
   methods: {
     showContextMenu () {
diff --git a/frontend/src/components/TreeNode.vue b/frontend/src/components/TreeNode.vue
index 8a9c63f8..b2429268 100644
--- a/frontend/src/components/TreeNode.vue
+++ b/frontend/src/components/TreeNode.vue
@@ -77,6 +77,7 @@ export default {
         { id: 'delete', label: '删除', onClick: () => this.deleteFile() },
         { type: 'separator' },
         { id: 'openInOS', label: '在系统中打开', onClick: () => this.revealInExplorer() },
+        { id: 'openInOS', label: '刷新目录树', onClick: () => this.$bus.emit('tree-refresh') },
       ]
 
       if (item.type === 'dir') {
diff --git a/package.json b/package.json
index 358a44bc..b315ad4f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "yank.note.yang",
-  "version": "2.0.0-beta7.11",
+  "version": "2.0.0-beta7.12",
   "description": "Yank-Note",
   "main": "dist/app.js",
   "license": "Apache-2.0",