diff --git a/atom-lib/finder-window.js b/atom-lib/finder-window.js
index 01bc6eac..466c40b5 100644
--- a/atom-lib/finder-window.js
+++ b/atom-lib/finder-window.js
@@ -25,4 +25,6 @@ finderWindow.on('blur', function () {
   finderWindow.hide()
 })
 
+finderWindow.setVisibleOnAllWorkspaces(true)
+
 module.exports = finderWindow
diff --git a/browser/finder/index.js b/browser/finder/index.js
index f845bbcf..c72987f2 100644
--- a/browser/finder/index.js
+++ b/browser/finder/index.js
@@ -11,7 +11,7 @@ import _ from 'lodash'
 import dataStore from 'boost/dataStore'
 
 const electron = require('electron')
-const { remote, clipboard } = electron
+const { remote, clipboard, ipcRenderer } = electron
 
 var hideFinder = remote.getGlobal('hideFinder')
 
@@ -64,6 +64,7 @@ class FinderMain extends React.Component {
     let { activeArticle } = this.props
     clipboard.writeText(activeArticle.content)
 
+    ipcRenderer.send('copy-finder')
     notify('Saved to Clipboard!', {
       body: 'Paste it wherever you want!'
     })
@@ -152,6 +153,14 @@ function buildFilter (key) {
   return {type: TEXT_FILTER, value: key}
 }
 
+function isContaining (target, needle) {
+  return target.match(new RegExp(_.escapeRegExp(needle)))
+}
+
+function startsWith (target, needle) {
+  return target.match(new RegExp('^' + _.escapeRegExp(needle)))
+}
+
 function remap (state) {
   let { articles, folders, status } = state
 
@@ -168,10 +177,10 @@ function remap (state) {
   let targetFolders
   if (folders != null) {
     let exactTargetFolders = folders.filter(folder => {
-      return _.find(folderExactFilters, filter => folder.name.match(new RegExp(`^${filter.value}$`)))
+      return _.find(folderExactFilters, filter => isContaining(folder.name, filter.value))
     })
     let fuzzyTargetFolders = folders.filter(folder => {
-      return _.find(folderFilters, filter => folder.name.match(new RegExp(`^${filter.value}`)))
+      return _.find(folderFilters, filter => startsWith(folder.name, filter.value))
     })
     targetFolders = status.targetFolders = exactTargetFolders.concat(fuzzyTargetFolders)
 
@@ -184,7 +193,7 @@ function remap (state) {
     if (textFilters.length > 0) {
       articles = textFilters.reduce((articles, textFilter) => {
         return articles.filter(article => {
-          return article.title.match(new RegExp(textFilter.value, 'i')) || article.content.match(new RegExp(textFilter.value, 'i'))
+          return isContaining(article.title, textFilter.value) || isContaining(article.content, textFilter.value)
         })
       }, articles)
     }
@@ -192,7 +201,7 @@ function remap (state) {
     if (tagFilters.length > 0) {
       articles = tagFilters.reduce((articles, tagFilter) => {
         return articles.filter(article => {
-          return _.find(article.tags, tag => tag.match(new RegExp(tagFilter.value, 'i')))
+          return _.find(article.tags, tag => isContaining(tag, tagFilter.value))
         })
       }, articles)
     }
@@ -201,7 +210,6 @@ function remap (state) {
   let activeArticle = _.findWhere(articles, {key: status.articleKey})
   if (activeArticle == null) activeArticle = articles[0]
 
-  console.log(status.search)
   return {
     articles,
     activeArticle,
diff --git a/browser/main/HomePage.js b/browser/main/HomePage.js
index 69c65948..cc0c127a 100644
--- a/browser/main/HomePage.js
+++ b/browser/main/HomePage.js
@@ -1,13 +1,13 @@
 import React, { PropTypes} from 'react'
 import { connect } from 'react-redux'
-import { EDIT_MODE, IDLE_MODE, NEW, toggleTutorial } from 'boost/actions'
-// import UserNavigator from './HomePage/UserNavigator'
+import { EDIT_MODE, IDLE_MODE, toggleTutorial } from 'boost/actions'
 import ArticleNavigator from './HomePage/ArticleNavigator'
 import ArticleTopBar from './HomePage/ArticleTopBar'
 import ArticleList from './HomePage/ArticleList'
 import ArticleDetail from './HomePage/ArticleDetail'
 import _ from 'lodash'
 import { isModalOpen, closeModal } from 'boost/modal'
+
 const electron = require('electron')
 const BrowserWindow = electron.remote.BrowserWindow
 
@@ -114,13 +114,14 @@ class HomePage extends React.Component {
   }
 
   render () {
-    let { dispatch, status, articles, allArticles, activeArticle, folders, tags, filters } = this.props
+    let { dispatch, status, user, articles, allArticles, activeArticle, folders, tags, filters } = this.props
 
     return (
       <div className='HomePage'>
         <ArticleNavigator
           ref='nav'
           dispatch={dispatch}
+          user={user}
           folders={folders}
           status={status}
           allArticles={allArticles}
@@ -171,8 +172,16 @@ function buildFilter (key) {
   return {type: TEXT_FILTER, value: key}
 }
 
+function isContaining (target, needle) {
+  return target.match(new RegExp(_.escapeRegExp(needle)))
+}
+
+function startsWith (target, needle) {
+  return target.match(new RegExp('^' + _.escapeRegExp(needle)))
+}
+
 function remap (state) {
-  let { folders, articles, status } = state
+  let { user, folders, articles, status } = state
 
   if (articles == null) articles = []
   articles.sort((a, b) => {
@@ -199,10 +208,10 @@ function remap (state) {
   let targetFolders
   if (folders != null) {
     let exactTargetFolders = folders.filter(folder => {
-      return _.find(folderExactFilters, filter => folder.name.match(new RegExp(`^${filter.value}$`)))
+      return _.findWhere(folderExactFilters, {value: folder.name})
     })
     let fuzzyTargetFolders = folders.filter(folder => {
-      return _.find(folderFilters, filter => folder.name.match(new RegExp(`^${filter.value}`)))
+      return _.find(folderFilters, filter => startsWith(folder.name, filter.value))
     })
     targetFolders = status.targetFolders = exactTargetFolders.concat(fuzzyTargetFolders)
 
@@ -215,7 +224,7 @@ function remap (state) {
     if (textFilters.length > 0) {
       articles = textFilters.reduce((articles, textFilter) => {
         return articles.filter(article => {
-          return article.title.match(new RegExp(textFilter.value, 'i')) || article.content.match(new RegExp(textFilter.value, 'i'))
+          return isContaining(article.title, textFilter.value) || isContaining(article.content, textFilter.value)
         })
       }, articles)
     }
@@ -223,7 +232,7 @@ function remap (state) {
     if (tagFilters.length > 0) {
       articles = tagFilters.reduce((articles, tagFilter) => {
         return articles.filter(article => {
-          return _.find(article.tags, tag => tag.match(new RegExp(tagFilter.value, 'i')))
+          return _.find(article.tags, tag => isContaining(tag, tagFilter.value))
         })
       }, articles)
     }
@@ -234,6 +243,7 @@ function remap (state) {
   if (activeArticle == null) activeArticle = articles[0]
 
   return {
+    user,
     folders,
     status,
     allArticles,
@@ -249,11 +259,9 @@ function remap (state) {
 }
 
 HomePage.propTypes = {
-  params: PropTypes.shape({
-    userId: PropTypes.string
-  }),
-  status: PropTypes.shape({
-    userId: PropTypes.string
+  status: PropTypes.shape(),
+  user: PropTypes.shape({
+    name: PropTypes.string
   }),
   articles: PropTypes.array,
   allArticles: PropTypes.array,
diff --git a/browser/main/HomePage/ArticleNavigator.js b/browser/main/HomePage/ArticleNavigator.js
index 269d528f..a2f6755f 100644
--- a/browser/main/HomePage/ArticleNavigator.js
+++ b/browser/main/HomePage/ArticleNavigator.js
@@ -7,10 +7,6 @@ import Preferences from 'boost/components/modal/Preferences'
 import CreateNewFolder from 'boost/components/modal/CreateNewFolder'
 import keygen from 'boost/keygen'
 
-const electron = require('electron')
-const remote = electron.remote
-let userName = remote.getGlobal('process').env.USER
-
 const BRAND_COLOR = '#18AF90'
 
 const preferenceTutorialElement = (
@@ -109,7 +105,7 @@ export default class ArticleNavigator extends React.Component {
   }
 
   render () {
-    let { status, folders, allArticles } = this.props
+    let { status, user, folders, allArticles } = this.props
     let { targetFolders } = status
     if (targetFolders == null) targetFolders = []
 
@@ -127,7 +123,7 @@ export default class ArticleNavigator extends React.Component {
     return (
       <div className='ArticleNavigator'>
         <div className='userInfo'>
-          <div className='userProfileName'>{userName}</div>
+          <div className='userProfileName'>{user.name}</div>
           <div className='userName'>localStorage</div>
           <button onClick={e => this.handlePreferencesButtonClick(e)} className='settingBtn'>
             <i className='fa fa-fw fa-chevron-down'/>
diff --git a/browser/main/index.js b/browser/main/index.js
index a7958fad..3224ab6d 100644
--- a/browser/main/index.js
+++ b/browser/main/index.js
@@ -29,6 +29,13 @@ ipc.on('notify', function (e, payload) {
   })
 })
 
+ipc.on('copy-finder', function () {
+  activityRecord.emit('FINDER_COPY')
+})
+ipc.on('open-finder', function () {
+  activityRecord.emit('FINDER_OPEN')
+})
+
 let routes = (
   <Route path='/' component={MainPage}>
     <IndexRoute name='home' component={HomePage}/>
diff --git a/browser/styles/finder/index.styl b/browser/styles/finder/index.styl
index d91383c5..be83adfa 100644
--- a/browser/styles/finder/index.styl
+++ b/browser/styles/finder/index.styl
@@ -14,6 +14,8 @@ body
   width 100%
   height 100%
   overflow hidden
+button, input
+  font-family "Lato"
 
 .Finder
   absolute top bottom left right
diff --git a/finder.js b/finder.js
index e0d12bf2..02da4244 100755
--- a/finder.js
+++ b/finder.js
@@ -3,6 +3,7 @@ const app = electron.app
 const Tray = electron.Tray
 const Menu = electron.Menu
 const MenuItem = electron.MenuItem
+const ipcMain = electron.ipcMain
 
 process.stdin.setEncoding('utf8')
 
@@ -63,6 +64,10 @@ app.on('ready', function () {
           break
       }
     })
+
+    ipcMain.on('copy-finder', function () {
+      emit('copy-finder')
+    })
   })
 
   global.hideFinder = function () {
diff --git a/lib/actions.js b/lib/actions.js
index d431e4c0..39c7a4f4 100644
--- a/lib/actions.js
+++ b/lib/actions.js
@@ -1,4 +1,6 @@
 // Action types
+export const USER_UPDATE = 'USER_UPDATE'
+
 export const CLEAR_NEW_ARTICLE = 'CLEAR_NEW_ARTICLE'
 export const ARTICLE_UPDATE = 'ARTICLE_UPDATE'
 export const ARTICLE_DESTROY = 'ARTICLE_DESTROY'
@@ -24,6 +26,13 @@ export const EDIT_MODE = 'EDIT_MODE'
 // Article status
 export const NEW = 'NEW'
 
+export function updateUser (input) {
+  return {
+    type: USER_UPDATE,
+    data: input
+  }
+}
+
 // DB
 export function clearNewArticle () {
   return {
diff --git a/lib/components/modal/Preference/AppSettingTab.js b/lib/components/modal/Preference/AppSettingTab.js
index bcb92679..e55953a6 100644
--- a/lib/components/modal/Preference/AppSettingTab.js
+++ b/lib/components/modal/Preference/AppSettingTab.js
@@ -1,5 +1,6 @@
-import React from 'react'
+import React, { PropTypes } from 'react'
 import linkState from 'boost/linkState'
+import { updateUser } from 'boost/actions'
 
 const electron = require('electron')
 const ipc = electron.ipcRenderer
@@ -9,24 +10,32 @@ export default class AppSettingTab extends React.Component {
   constructor (props) {
     super(props)
     let keymap = remote.getGlobal('keymap')
+    let userName = props.user != null ? props.user.name : null
 
     this.state = {
-      toggleFinder: keymap.toggleFinder,
-      alert: null
+      user: {
+        name: userName,
+        alert: null
+      },
+      userAlert: null,
+      keymap: {
+        toggleFinder: keymap.toggleFinder
+      },
+      keymapAlert: null
     }
   }
 
   componentDidMount () {
     this.handleSettingDone = () => {
-      this.setState({alert: {
+      this.setState({keymapAlert: {
         type: 'success',
         message: 'Successfully done!'
       }})
     }
     this.handleSettingError = err => {
-      this.setState({alert: {
+      this.setState({keymapAlert: {
         type: 'error',
-        message: err.message
+        message: err.message != null ? err.message : 'Error occurs!'
       }})
     }
     ipc.addListener('APP_SETTING_DONE', this.handleSettingDone)
@@ -40,7 +49,7 @@ export default class AppSettingTab extends React.Component {
 
   submitHotKey () {
     ipc.send('hotkeyUpdated', {
-      toggleFinder: this.state.toggleFinder
+      toggleFinder: this.state.keymap.toggleFinder
     })
   }
 
@@ -54,25 +63,56 @@ export default class AppSettingTab extends React.Component {
     }
   }
 
+  handleNameSaveButtonClick (e) {
+    let { dispatch } = this.props
+
+    dispatch(updateUser({name: this.state.user.name}))
+    this.setState({
+      userAlert: {
+        type: 'success',
+        message: 'Successfully done!'
+      }
+    })
+  }
+
   render () {
-    let alert = this.state.alert
-    let alertElement = alert != null ? (
-        <p className={`alert ${alert.type}`}>
-          {alert.message}
+    let keymapAlert = this.state.keymapAlert
+    let keymapAlertElement = keymapAlert != null
+      ? (
+        <p className={`alert ${keymapAlert.type}`}>
+          {keymapAlert.message}
+        </p>
+      ) : null
+    let userAlert = this.state.userAlert
+    let userAlertElement = userAlert != null
+      ? (
+        <p className={`alert ${userAlert.type}`}>
+          {userAlert.message}
         </p>
       ) : null
 
     return (
       <div className='AppSettingTab content'>
+        <div className='section'>
+          <div className='sectionTitle'>User's info</div>
+          <div className='sectionInput'>
+            <label>User name</label>
+            <input valueLink={this.linkState('user.name')} type='text'/>
+          </div>
+          <div className='sectionConfirm'>
+            <button onClick={e => this.handleNameSaveButtonClick(e)}>Save</button>
+            {userAlertElement}
+          </div>
+        </div>
         <div className='section'>
           <div className='sectionTitle'>Hotkey</div>
           <div className='sectionInput'>
             <label>Toggle Finder(popup)</label>
-            <input onKeyDown={e => this.handleKeyDown(e)} valueLink={this.linkState('toggleFinder')} type='text'/>
+            <input onKeyDown={e => this.handleKeyDown(e)} valueLink={this.linkState('keymap.toggleFinder')} type='text'/>
           </div>
           <div className='sectionConfirm'>
             <button onClick={e => this.handleSaveButtonClick(e)}>Save</button>
-            {alertElement}
+            {keymapAlertElement}
           </div>
           <div className='description'>
             <ul>
@@ -101,3 +141,6 @@ export default class AppSettingTab extends React.Component {
 }
 
 AppSettingTab.prototype.linkState = linkState
+AppSettingTab.propTypes = {
+  dispatch: PropTypes.func
+}
diff --git a/lib/components/modal/Preferences.js b/lib/components/modal/Preferences.js
index 51813751..a1b4f4a2 100644
--- a/lib/components/modal/Preferences.js
+++ b/lib/components/modal/Preferences.js
@@ -62,7 +62,7 @@ class Preferences extends React.Component {
   }
 
   renderContent () {
-    let { folders, dispatch } = this.props
+    let { user, folders, dispatch } = this.props
 
     switch (this.state.currentTab) {
       case HELP:
@@ -80,12 +80,20 @@ class Preferences extends React.Component {
         )
       case APP:
       default:
-        return (<AppSettingTab/>)
+        return (
+          <AppSettingTab
+            user={user}
+            dispatch={dispatch}
+          />
+        )
     }
   }
 }
 
 Preferences.propTypes = {
+  user: PropTypes.shape({
+    name: PropTypes.string
+  }),
   folders: PropTypes.array,
   dispatch: PropTypes.func
 }
@@ -93,9 +101,10 @@ Preferences.propTypes = {
 Preferences.prototype.linkState = linkState
 
 function remap (state) {
-  let { folders, status } = state
+  let { user, folders, status } = state
 
   return {
+    user,
     folders,
     status
   }
diff --git a/lib/dataStore.js b/lib/dataStore.js
index 128c634d..e8b62af4 100644
--- a/lib/dataStore.js
+++ b/lib/dataStore.js
@@ -1,4 +1,6 @@
 import keygen from 'boost/keygen'
+import _ from 'lodash'
+
 const electron = require('electron')
 const remote = electron.remote
 const jetpack = require('fs-jetpack')
@@ -10,15 +12,66 @@ function getLocalPath () {
   return path.join(remote.app.getPath('userData'), 'local.json')
 }
 
+function forgeInitialRepositories () {
+  return [{
+    key: keygen(),
+    name: 'local',
+    type: 'userData',
+    user: {
+      name: remote.getGlobal('process').env.USER
+    }
+  }]
+}
+
+function getRepositories () {
+  let raw = localStorage.getItem('repositories')
+  try {
+    let parsed = JSON.parse(raw)
+    if (!_.isArray(parsed)) {
+      throw new Error('repositories data is currupte. re-init data.')
+    }
+    return parsed
+  } catch (e) {
+    console.log(e)
+    let newRepos = forgeInitialRepositories()
+    saveRepositories(newRepos)
+    return newRepos
+  }
+}
+
+function saveRepositories (repos) {
+  localStorage.setItem('repositories', JSON.stringify(repos))
+}
+
+export function getUser (repoName) {
+  if (repoName == null) {
+    return getRepositories()[0]
+  }
+  return null
+}
+
+export function saveUser (repoName, user) {
+  let repos = getRepositories()
+  if (repoName == null) {
+    Object.assign(repos[0].user, user)
+  }
+  saveRepositories(repos)
+}
+
 export function init () {
-  console.log('initialize data store')
+  // set repositories info
+  getRepositories()
+
+  // set local.json
   let data = jetpack.read(getLocalPath(), 'json')
 
   if (data == null) {
+    // for 0.4.1 -> 0.4.2
     if (localStorage.getItem('local') != null) {
       data = JSON.parse(localStorage.getItem('local'))
       jetpack.write(getLocalPath(), data)
       localStorage.removeItem('local')
+      console.log('update 0.4.1 => 0.4.2')
       return
     }
 
@@ -70,6 +123,8 @@ export default (function () {
     init()
   }
   return {
+    getUser,
+    saveUser,
     init,
     getData,
     setArticles,
diff --git a/lib/keygen.js b/lib/keygen.js
index 4cc04385..da8cf6b1 100644
--- a/lib/keygen.js
+++ b/lib/keygen.js
@@ -2,6 +2,6 @@ var crypto = require('crypto')
 
 module.exports = function () {
   var shasum = crypto.createHash('sha1')
-  shasum.update(((new Date()).getTime()).toString())
+  shasum.update(((new Date()).getTime() + Math.round(Math.random()*1000)).toString())
   return shasum.digest('hex')
 }
diff --git a/lib/reducer.js b/lib/reducer.js
index 4ca9d268..e125848b 100644
--- a/lib/reducer.js
+++ b/lib/reducer.js
@@ -12,6 +12,9 @@ import {
   UNLOCK_STATUS,
   TOGGLE_TUTORIAL,
 
+  // user
+  USER_UPDATE,
+
   // Article action type
   ARTICLE_UPDATE,
   ARTICLE_DESTROY,
@@ -42,10 +45,22 @@ const initialStatus = {
 let data = dataStore.getData()
 let initialArticles = data.articles
 let initialFolders = data.folders
+let initialUser = dataStore.getUser().user
 
 let isStatusLocked = false
 let isCreatingNew = false
 
+function user (state = initialUser, action) {
+  switch (action.type) {
+    case USER_UPDATE:
+      let updated = Object.assign(state, action.data)
+      dataStore.saveUser(null, updated)
+      return updated
+    default:
+      return state
+  }
+}
+
 function folders (state = initialFolders, action) {
   state = state.slice()
   switch (action.type) {
@@ -250,6 +265,7 @@ function status (state = initialStatus, action) {
 }
 
 export default combineReducers({
+  user,
   folders,
   articles,
   status
diff --git a/main.js b/main.js
index f55d7c70..205f60a5 100644
--- a/main.js
+++ b/main.js
@@ -128,9 +128,10 @@ app.on('ready', function () {
         console.log('FINDER(stdout): ' + payload.data)
         break
       case 'show-main-window':
-        if (mainWindow != null) {
-          mainWindow.show()
-        }
+        mainWindow.show()
+        break
+      case 'copy-finder':
+        mainWindow.webContents.send('copy-finder')
         break
       case 'request-data':
         mainWindow.webContents.send('request-data')
@@ -173,6 +174,7 @@ app.on('ready', function () {
   try {
     globalShortcut.register(toggleFinderKey, function () {
       emitToFinder('open-finder')
+      mainWindow.webContents.send('open-finder', {})
     })
   } catch (err) {
     console.log(err.name)
@@ -189,6 +191,7 @@ app.on('ready', function () {
     try {
       globalShortcut.register(toggleFinderKey, function () {
         emitToFinder('open-finder')
+        mainWindow.webContents.send('open-finder', {})
       })
       mainWindow.webContents.send('APP_SETTING_DONE', {})
     } catch (err) {
diff --git a/package.json b/package.json
index 827a3e4d..7bc93958 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "boost",
-  "version": "0.4.3",
+  "version": "0.4.4",
   "description": "Boost App",
   "main": "index.js",
   "scripts": {