diff --git a/.gitignore b/.gitignore
index ee5430eb..8d2c0503 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,5 @@
 .env
 node_modules/*
 !node_modules/boost
-Boost-darwin-x64/
-backup/
+dist/
 compiled
diff --git a/browser/main/HomePage/ArticleDetail.js b/browser/main/HomePage/ArticleDetail.js
index 4a4b7f0d..e11c140b 100644
--- a/browser/main/HomePage/ArticleDetail.js
+++ b/browser/main/HomePage/ArticleDetail.js
@@ -162,6 +162,7 @@ export default class ArticleDetail extends React.Component {
   }
 
   handleClipboardButtonClick (e) {
+    activityRecord.emit('MAIN_DETAIL_COPY')
     clipboard.writeText(this.props.activeArticle.content)
     notify('Saved to Clipboard!', {
       body: 'Paste it wherever you want!'
@@ -293,9 +294,9 @@ export default class ArticleDetail extends React.Component {
       if (newArticle.title.length === 0) {
         newArticle.title = `Created at ${moment(newArticle.createdAt).format('YYYY/MM/DD HH:mm')}`
       }
-      activityRecord.emit('ARTICLE_CREATE')
+      activityRecord.emit('ARTICLE_CREATE', {mode: newArticle.mode})
     } else {
-      activityRecord.emit('ARTICLE_UPDATE')
+      activityRecord.emit('ARTICLE_UPDATE', {mode: newArticle.mode})
     }
 
     dispatch(updateArticle(newArticle))
@@ -435,7 +436,34 @@ export default class ArticleDetail extends React.Component {
 
   handleTogglePreviewButtonClick (e) {
     if (this.state.article.mode === 'markdown') {
-      this.setState({previewMode: !this.state.previewMode})
+      if (!this.state.previewMode) {
+        let cursorPosition = this.refs.code.getCursorPosition()
+        let firstVisibleRow = this.refs.code.getFirstVisibleRow()
+        this.setState({
+          previewMode: true,
+          cursorPosition,
+          firstVisibleRow
+        }, function () {
+          let previewEl = ReactDOM.findDOMNode(this.refs.preview)
+          let anchors = previewEl.querySelectorAll('.lineAnchor')
+          for (let i = 0; i < anchors.length; i++) {
+            if (parseInt(anchors[i].dataset.key, 10) > cursorPosition.row || i === anchors.length - 1) {
+              var targetAnchor = anchors[i > 0 ? i - 1 : 0]
+              previewEl.scrollTop = targetAnchor.offsetTop - 100
+              break
+            }
+          }
+        })
+      } else {
+        this.setState({
+          previewMode: false
+        }, function () {
+          console.log(this.state.cursorPosition)
+          this.refs.code.moveCursorTo(this.state.cursorPosition.row, this.state.cursorPosition.column)
+          this.refs.code.scrollToLine(this.state.firstVisibleRow)
+          this.refs.code.editor.focus()
+        })
+      }
     }
   }
 
@@ -524,7 +552,7 @@ export default class ArticleDetail extends React.Component {
             </div>
 
             {this.state.previewMode
-              ? <MarkdownPreview content={this.state.article.content}/>
+              ? <MarkdownPreview ref='preview' content={this.state.article.content}/>
               : (<CodeEditor
                   ref='code'
                   onChange={(e, value) => this.handleContentChange(e, value)}
diff --git a/browser/styles/mixins/marked.styl b/browser/styles/mixins/marked.styl
index 38f43318..8a2695d1 100644
--- a/browser/styles/mixins/marked.styl
+++ b/browser/styles/mixins/marked.styl
@@ -1,36 +1,38 @@
 marked()
-  h1, h2, h3, h4, h5, h6, p
-    &:first-child
-      margin-top 0
   hr
     border-top none
     border-bottom solid 1px borderColor
     margin 15px 0
+  h1, h2, h3, h4, h5, h6
+    margin 0 0 15px
+    font-weight 600
+  * + h1, * + h2, * + h3, * + h4, * + h5, * + h6
+    margin-top 25px
   h1
     font-size 2em
     border-bottom solid 2px borderColor
-    margin 0.33em auto 0.67em
+    line-height 2.333em
   h2
-    font-size 1.5em
-    margin 0.42em auto 0.83em
+    font-size 1.66em
+    line-height 2.07em
   h3
-    font-size 1.17em
-    margin 0.5em auto 1em
+    font-size 1.33em
+    line-height 1.6625em
   h4
-    font-size 1em
-    margin 0.67em auto 1.33em
+    font-size 1.15em
+    line-height 1.4375em
   h5
-    font-size 0.83em
-    margin 0.84em auto 1.67em
+    font-size 1em
+    line-height 1.25em
   h6
-    font-size 0.67em
-    margin 1.16em auto 2.33em
-  h1, h2, h3, h4, h5, h6
-    font-weight 700
-    line-height 1.8em
+    font-size 0.8em
+    line-height 1em
+
+  * + p, * + blockquote, * + ul, * + ol, * + pre
+    margin-top 15px
   p
-    line-height 1.8em
-    margin 15px 0 25px
+    line-height 1.9em
+    margin 0 0 15px
   img
     max-width 100%
   strong
@@ -41,15 +43,17 @@ marked()
     text-decoration line-through
   blockquote
     border-left solid 4px brandBorderColor
-    margin 15px 0 25px
+    margin 0 0 15px
     padding 0 25px
   ul
     list-style-type disc
     padding-left 35px
-    margin-bottom 35px
+    margin-bottom 15px
     li
       display list-item
       line-height 1.8em
+    &>li>ul, &>li>ol
+      margin 0
     &>li>ul
       list-style-type circle
       &>li>ul
@@ -57,10 +61,12 @@ marked()
   ol
     list-style-type decimal
     padding-left 35px
-    margin-bottom 35px
+    margin-bottom 15px
     li
       display list-item
       line-height 1.8em
+    &>li>ul, &>li>ol
+      margin 0
   code
     font-family Monaco, Menlo, 'Ubuntu Mono', Consolas, source-code-pro, monospace;
     padding 2px 4px
@@ -70,15 +76,19 @@ marked()
     color black
     text-decoration none
     background-color #F6F6F6
+    margin-right 2px
+  * + code
+    margin-left 2px
   pre
     padding 5px
     border solid 1px borderColor
     border-radius 5px
     overflow-x auto
-    margin 15px 0 25px
+    margin 0 0 15px
     background-color #F6F6F6
     line-height 1.35em
     &>code
+      margin 0
       padding 0
       border none
       border-radius 0
diff --git a/builder-config.json b/builder-config.json
new file mode 100644
index 00000000..8b8fa269
--- /dev/null
+++ b/builder-config.json
@@ -0,0 +1,12 @@
+{
+  "osx" : {
+    "title": "Boost Installer",
+    // "background": "resources/background.png",
+    "icon": "resources/app.icns",
+    "icon-size": 80,
+    "contents": [
+      { "x": 438, "y": 344, "type": "link", "path": "/Applications" },
+      { "x": 192, "y": 344, "type": "file" }
+    ]
+  }
+}
diff --git a/lib/activityRecord.js b/lib/activityRecord.js
index b79e2447..79036010 100644
--- a/lib/activityRecord.js
+++ b/lib/activityRecord.js
@@ -4,6 +4,9 @@ import keygen from 'boost/keygen'
 import dataStore from 'boost/dataStore'
 import { request, WEB_URL } from 'boost/api'
 
+const electron = require('electron')
+const version = electron.remote.app.getVersion()
+
 function isSameDate (a, b) {
   a = moment(a).utcOffset(+540).format('YYYYMMDD')
   b = moment(b).utcOffset(+540).format('YYYYMMDD')
@@ -16,6 +19,7 @@ export function init () {
   if (records == null) {
     saveAllRecords([])
   }
+  emit(null)
 
   postRecords()
   if (window != null) {
@@ -81,7 +85,7 @@ export function postRecords (data) {
     })
 }
 
-export function emit (type, data) {
+export function emit (type, data = {}) {
   let records = getAllRecords()
 
   let index = _.findIndex(records, record => {
@@ -94,7 +98,6 @@ export function emit (type, data) {
     records.push(todayRecord)
   }
   else todayRecord = records[index]
-  console.log(type)
   switch (type) {
     case 'ARTICLE_CREATE':
     case 'ARTICLE_UPDATE':
@@ -104,6 +107,7 @@ export function emit (type, data) {
     case 'FOLDER_DESTROY':
     case 'FINDER_OPEN':
     case 'FINDER_COPY':
+    case 'MAIN_DETAIL_COPY':
       todayRecord[type] = todayRecord[type] == null
         ? 1
         : todayRecord[type] + 1
@@ -111,9 +115,26 @@ export function emit (type, data) {
       break
   }
 
+  // Count ARTICLE_CREATE and ARTICLE_UPDATE again by syntax
+  if ((type === 'ARTICLE_CREATE' || type === 'ARTICLE_UPDATE') && data.mode != null) {
+    let recordKey = type + '_BY_SYNTAX'
+    if (todayRecord[recordKey] == null) todayRecord[recordKey] = {}
+
+    todayRecord[recordKey][data.mode] = todayRecord[recordKey][data.mode] == null
+      ? 1
+      : todayRecord[recordKey][data.mode] + 1
+  }
+
   let storeData = dataStore.getData()
   todayRecord.FOLDER_COUNT = _.isArray(storeData.folders) ? storeData.folders.length : 0
   todayRecord.ARTICLE_COUNT = _.isArray(storeData.articles) ? storeData.articles.length : 0
+  todayRecord.CLIENT_VERSION = version
+
+  todayRecord.SYNTAX_COUNT = storeData.articles.reduce((sum, article) => {
+    if (sum[article.mode] == null) sum[article.mode] = 1
+    else sum[article.mode]++
+    return sum
+  }, {})
 
   saveAllRecords(records)
 }
diff --git a/lib/components/CodeEditor.js b/lib/components/CodeEditor.js
index d82ca3f2..e6941ed8 100644
--- a/lib/components/CodeEditor.js
+++ b/lib/components/CodeEditor.js
@@ -30,6 +30,7 @@ module.exports = React.createClass({
     editor.renderer.setShowGutter(true)
     editor.setTheme('ace/theme/xcode')
     editor.clearSelection()
+    editor.moveCursorTo(0, 0)
 
     editor.setReadOnly(!!this.props.readOnly)
 
@@ -50,16 +51,14 @@ module.exports = React.createClass({
         this.props.onChange(e, value)
       }
     }.bind(this))
-
-    this.setState({editor: editor})
   },
   componentDidUpdate: function (prevProps) {
-    if (this.state.editor.getValue() !== this.props.code) {
-      this.state.editor.setValue(this.props.code)
-      this.state.editor.clearSelection()
+    if (this.editor.getValue() !== this.props.code) {
+      this.editor.setValue(this.props.code)
+      this.editor.clearSelection()
     }
     if (prevProps.mode !== this.props.mode) {
-      var session = this.state.editor.getSession()
+      var session = this.editor.getSession()
       let mode = _.findWhere(modes, {name: this.props.mode})
       let syntaxMode = mode != null
         ? mode.mode
@@ -67,6 +66,18 @@ module.exports = React.createClass({
       session.setMode('ace/mode/' + syntaxMode)
     }
   },
+  getFirstVisibleRow: function () {
+    return this.editor.getFirstVisibleRow()
+  },
+  getCursorPosition: function () {
+    return this.editor.getCursorPosition()
+  },
+  moveCursorTo: function (row, col) {
+    this.editor.moveCursorTo(row, col)
+  },
+  scrollToLine: function (num) {
+    this.editor.scrollToLine(num, false, false)
+  },
   render: function () {
     return (
       <div ref='target' className={this.props.className == null ? 'CodeEditor' : 'CodeEditor ' + this.props.className}></div>
diff --git a/lib/components/ModeSelect.js b/lib/components/ModeSelect.js
index 28404d20..09dae7e6 100644
--- a/lib/components/ModeSelect.js
+++ b/lib/components/ModeSelect.js
@@ -161,8 +161,8 @@ export default class ModeSelect extends React.Component {
     let filteredOptions = modes
       .filter(mode => {
         let search = this.state.search
-        let nameMatched = mode.name.match(search)
-        let aliasMatched = _.some(mode.alias, alias => alias.match(search))
+        let nameMatched = mode.name.match(_.escapeRegExp(search))
+        let aliasMatched = _.some(mode.alias, alias => alias.match(_.escapeRegExp(search)))
         return nameMatched || aliasMatched
       })
       .map((mode, index) => {
diff --git a/lib/markdown.js b/lib/markdown.js
index b27830ea..619b9655 100644
--- a/lib/markdown.js
+++ b/lib/markdown.js
@@ -8,20 +8,31 @@ var md = markdownit({
   highlight: function (str, lang) {
     if (lang && hljs.getLanguage(lang)) {
       try {
-        return hljs.highlight(lang, str).value;
+        return hljs.highlight(lang, str).value
       } catch (__) {}
     }
 
     try {
-      return hljs.highlightAuto(str).value;
+      return hljs.highlightAuto(str).value
     } catch (__) {}
 
-    return ''; // use external default escaping
+    return ''
   }
 })
 md.use(emoji)
 
+let originalRenderToken = md.renderer.renderToken
+md.renderer.renderToken = function renderToken (tokens, idx, options) {
+  let token = tokens[idx]
+  let result = originalRenderToken.call(md.renderer, tokens, idx, options)
+  if (token.map != null) {
+    return result + '<a class=\'lineAnchor\' data-key=\'' + token.map[0] + '\'></a>'
+  }
+  return result
+}
+
 export default function markdown (content) {
   if (content == null) content = ''
+
   return md.render(content.toString())
 }
diff --git a/lib/vars/modes.js b/lib/vars/modes.js
index fe53c756..256769cf 100644
--- a/lib/vars/modes.js
+++ b/lib/vars/modes.js
@@ -68,7 +68,7 @@ const modes = [
   {
     name: 'csharp',
     label: 'C#',
-    alias: ['cs'],
+    alias: ['cs', 'c#'],
     mode: 'csharp'
   },
   {
diff --git a/package.json b/package.json
index 7bc93958..6a936018 100644
--- a/package.json
+++ b/package.json
@@ -1,19 +1,22 @@
 {
   "name": "boost",
   "version": "0.4.4",
+  "version": "0.4.5",
   "description": "Boost App",
   "main": "index.js",
   "scripts": {
     "start": "BOOST_ENV=development electron ./main.js",
     "webpack": "webpack-dev-server --hot --inline --config webpack.config.js",
     "compile": "NODE_ENV=production webpack --config webpack.config.production.js",
-    "build": "electron-packager ./ Boost --app-version=$npm_package_version $npm_package_config_platform  $npm_package_config_version $npm_package_config_ignore --overwrite --asar",
-    "codesign": "codesign --verbose --deep --force --sign \"MAISIN solutions Inc.\" Boost-darwin-x64/Boost.app"
+    "pack:osx": "electron-packager ./ Boost --app-version=$npm_package_version $npm_package_config_platform  $npm_package_config_version $npm_package_config_ignore --overwrite --out=\"dist\"",
+    "codesign": "codesign --verbose --deep --force --sign \"MAISIN solutions Inc.\" dist/Boost-darwin-x64/Boost.app",
+    "build:osx": "electron-builder \"dist/Boost-darwin-x64/Boost.app\" --platform=osx --out=\"dist\" --config=\"./builder-config.json\"",
+    "release": "electron-release --app=\"dist/Boost-darwin-x64/Boost.app\" --token=$(cat .env/.github-token) --repo=\"BoostIO/boost-releases\""
   },
   "config": {
-    "version": "--version=0.35.1 --app-bundle-id=com.maisin.boost",
+    "version": "--version=0.35.3 --app-bundle-id=com.maisin.boost",
     "platform": "--platform=darwin --arch=x64 --prune --icon=resources/app.icns",
-    "ignore": "--ignore=Boost-darwin-x64 --ignore=node_modules/devicon/icons --ignore=submodules/ace/(?!src-min)|submodules/ace/(?=src-min-noconflict)"
+    "ignore": "--ignore=.env --ignore=Boost-darwin-x64 --ignore=node_modules/devicon/icons --ignore=submodules/ace/(?!src-min)|submodules/ace/(?=src-min-noconflict)"
   },
   "repository": {
     "type": "git",
@@ -56,6 +59,7 @@
     "css-loader": "^0.19.0",
     "electron-packager": "^5.1.0",
     "electron-prebuilt": "^0.35.1",
+    "electron-release": "^2.2.0",
     "nib": "^1.1.0",
     "react": "^0.14.0",
     "react-dom": "^0.14.0",