diff --git a/browser/main/HomePage.js b/browser/main/HomePage.js
index 422e5717..780f8b52 100644
--- a/browser/main/HomePage.js
+++ b/browser/main/HomePage.js
@@ -225,36 +225,6 @@ function remap (state) {
   let activeArticle = _.findWhere(articles, {key: status.articleKey})
   if (activeArticle == null) activeArticle = articles[0]
 
-  // remove Unsaved new article if user is not CREATE_MODE
-  if (status.mode !== CREATE_MODE) {
-    let targetIndex = _.findIndex(articles, article => article.status === NEW)
-
-    if (targetIndex >= 0) articles.splice(targetIndex, 1)
-  }
-
-  // switching CREATE_MODE
-  if (status.mode === CREATE_MODE) {
-    let newArticle = _.findWhere(articles, {status: 'NEW'})
-    let FolderKey = targetFolders.length > 0
-      ? targetFolders[0].key
-      : folders[0].key
-
-    if (newArticle == null) {
-      newArticle = {
-        id: null,
-        key: keygen(),
-        title: '',
-        content: '',
-        mode: 'markdown',
-        tags: [],
-        FolderKey: FolderKey,
-        status: NEW
-      }
-      articles.unshift(newArticle)
-    }
-    activeArticle = newArticle
-  }
-
   return {
     folders,
     status,
diff --git a/browser/main/HomePage/ArticleDetail.js b/browser/main/HomePage/ArticleDetail.js
index 45b094ed..de3ffd54 100644
--- a/browser/main/HomePage/ArticleDetail.js
+++ b/browser/main/HomePage/ArticleDetail.js
@@ -7,7 +7,6 @@ import MarkdownPreview from 'boost/components/MarkdownPreview'
 import CodeEditor from 'boost/components/CodeEditor'
 import {
   IDLE_MODE,
-  CREATE_MODE,
   EDIT_MODE,
   switchMode,
   switchArticle,
@@ -15,6 +14,7 @@ import {
   clearSearch,
   lockStatus,
   unlockStatus,
+  clearNewArticle,
   updateArticle,
   destroyArticle,
   NEW
@@ -114,7 +114,7 @@ export default class ArticleDetail extends React.Component {
 
   componentDidUpdate (prevProps) {
     let isModeChanged = prevProps.status.mode !== this.props.status.mode
-    if (isModeChanged && this.props.status.mode !== IDLE_MODE) {
+    if (isModeChanged && this.props.status.mode === EDIT_MODE) {
       ReactDOM.findDOMNode(this.refs.title).focus()
     }
   }
@@ -124,6 +124,7 @@ export default class ArticleDetail extends React.Component {
 
     let isArticleChanged = nextProps.activeArticle != null && (nextProps.activeArticle.key !== this.state.article.key)
     let isModeChanged = nextProps.status.mode !== this.props.status.mode
+
     // Reset article input
     if (isArticleChanged || (isModeChanged && nextProps.status.mode !== IDLE_MODE)) {
       Object.assign(nextState, {
@@ -248,12 +249,15 @@ export default class ArticleDetail extends React.Component {
     let { activeArticle, dispatch } = this.props
 
     dispatch(unlockStatus())
-    if (activeArticle.status === NEW) dispatch(switchArticle(null))
+    if (activeArticle.status === NEW) {
+      dispatch(clearNewArticle())
+      dispatch(switchArticle(null))
+    }
     dispatch(switchMode(IDLE_MODE))
   }
 
   handleSaveButtonClick (e) {
-    let { dispatch, folders, filters } = this.props
+    let { dispatch, folders, status } = this.props
     let article = this.state.article
     let newArticle = Object.assign({}, article)
 
@@ -277,7 +281,7 @@ export default class ArticleDetail extends React.Component {
     // Searchを初期化し、更新先のFolder filterをかける
     // かかれていない時に
     // Searchを初期化する
-    if (filters.folder.length !== 0) dispatch(switchFolder(folder.name))
+    if (status.targetFolders.length > 0) dispatch(switchFolder(folder.name))
     else dispatch(clearSearch())
     dispatch(switchArticle(newArticle.key))
   }
@@ -319,8 +323,6 @@ export default class ArticleDetail extends React.Component {
     let article = this.state.article
     article.tags = tags
 
-    this.setState({article: article})
-
     let _isTagChanged = _.difference(article.tags, this.props.activeArticle.tags).length > 0 || _.difference(this.props.activeArticle.tags, article.tags).length > 0
 
     let { isTitleChanged, isContentChanged, isArticleEdited, isModeChanged } = this.state
@@ -500,7 +502,6 @@ export default class ArticleDetail extends React.Component {
     if (activeArticle == null) return this.renderEmpty()
 
     switch (status.mode) {
-      case CREATE_MODE:
       case EDIT_MODE:
         return this.renderEdit()
       case IDLE_MODE:
diff --git a/browser/main/HomePage/ArticleNavigator.js b/browser/main/HomePage/ArticleNavigator.js
index d4c21131..49063bb4 100644
--- a/browser/main/HomePage/ArticleNavigator.js
+++ b/browser/main/HomePage/ArticleNavigator.js
@@ -1,10 +1,11 @@
 import React, { PropTypes } from 'react'
 import { findWhere } from 'lodash'
-import { setSearchFilter, switchFolder, switchMode, CREATE_MODE } from 'boost/actions'
+import { setSearchFilter, switchFolder, switchMode, switchArticle, updateArticle, EDIT_MODE } from 'boost/actions'
 import { openModal } from 'boost/modal'
 import FolderMark from 'boost/components/FolderMark'
 import Preferences from 'boost/components/modal/Preferences'
 import CreateNewFolder from 'boost/components/modal/CreateNewFolder'
+import keygen from 'boost/keygen'
 
 import remote from 'remote'
 let userName = remote.getGlobal('process').env.USER
@@ -65,9 +66,27 @@ export default class ArticleNavigator extends React.Component {
   }
 
   handleNewPostButtonClick (e) {
-    let { dispatch } = this.props
+    let { dispatch, folders, status } = this.props
+    let { targetFolders } = status
 
-    dispatch(switchMode(CREATE_MODE))
+    let FolderKey = targetFolders.length > 0
+      ? targetFolders[0].key
+      : folders[0].key
+
+    let newArticle = {
+      id: null,
+      key: keygen(),
+      title: '',
+      content: '',
+      mode: 'markdown',
+      tags: [],
+      FolderKey: FolderKey,
+      status: 'NEW'
+    }
+
+    dispatch(updateArticle(newArticle))
+    dispatch(switchArticle(newArticle.key, true))
+    dispatch(switchMode(EDIT_MODE))
   }
 
   handleNewFolderButton (e) {
@@ -94,7 +113,7 @@ export default class ArticleNavigator extends React.Component {
 
     let folderElememts = folders.map((folder, index) => {
       let isActive = findWhere(targetFolders, {key: folder.key})
-      let articleCount = allArticles.filter(article => article.FolderKey === folder.key).length
+      let articleCount = allArticles.filter(article => article.FolderKey === folder.key && article.status !== 'NEW').length
 
       return (
         <button onClick={e => this.handleFolderButtonClick(folder.name)(e)} key={'folder-' + folder.key} className={isActive ? 'active' : ''}>
diff --git a/lib/actions.js b/lib/actions.js
index 21f4749c..d431e4c0 100644
--- a/lib/actions.js
+++ b/lib/actions.js
@@ -1,4 +1,5 @@
 // Action types
+export const CLEAR_NEW_ARTICLE = 'CLEAR_NEW_ARTICLE'
 export const ARTICLE_UPDATE = 'ARTICLE_UPDATE'
 export const ARTICLE_DESTROY = 'ARTICLE_DESTROY'
 export const FOLDER_CREATE = 'FOLDER_CREATE'
@@ -18,13 +19,18 @@ export const TOGGLE_TUTORIAL = 'TOGGLE_TUTORIAL'
 
 // Status - mode
 export const IDLE_MODE = 'IDLE_MODE'
-export const CREATE_MODE = 'CREATE_MODE'
 export const EDIT_MODE = 'EDIT_MODE'
 
 // Article status
 export const NEW = 'NEW'
 
 // DB
+export function clearNewArticle () {
+  return {
+    type: CLEAR_NEW_ARTICLE
+  }
+}
+
 export function updateArticle (article) {
   return {
     type: ARTICLE_UPDATE,
@@ -84,10 +90,13 @@ export function switchMode (mode) {
   }
 }
 
-export function switchArticle (articleKey) {
+export function switchArticle (articleKey, isNew) {
   return {
     type: SWITCH_ARTICLE,
-    data: articleKey
+    data: {
+      key: articleKey,
+      isNew: isNew
+    }
   }
 }
 
diff --git a/lib/components/modal/EditedAlert.js b/lib/components/modal/EditedAlert.js
index 514e7d33..fd60258d 100644
--- a/lib/components/modal/EditedAlert.js
+++ b/lib/components/modal/EditedAlert.js
@@ -1,6 +1,6 @@
 import React, { PropTypes } from 'react'
 import store from 'boost/store'
-import { unlockStatus } from 'boost/actions'
+import { unlockStatus, clearNewArticle } from 'boost/actions'
 
 export default class EditedAlert extends React.Component {
   handleNoButtonClick (e) {
@@ -10,6 +10,7 @@ export default class EditedAlert extends React.Component {
   handleYesButtonClick (e) {
     store.dispatch(unlockStatus())
     store.dispatch(this.props.action)
+    store.dispatch(clearNewArticle())
     this.props.close()
   }
 
diff --git a/lib/reducer.js b/lib/reducer.js
index baff2d55..0e138f0d 100644
--- a/lib/reducer.js
+++ b/lib/reducer.js
@@ -15,6 +15,7 @@ import {
   // Article action type
   ARTICLE_UPDATE,
   ARTICLE_DESTROY,
+  CLEAR_NEW_ARTICLE,
 
   // Folder action type
   FOLDER_CREATE,
@@ -23,8 +24,7 @@ import {
   FOLDER_REPLACE,
 
   // view mode
-  IDLE_MODE,
-  CREATE_MODE
+  IDLE_MODE
 } from './actions'
 import dataStore from 'boost/dataStore'
 import keygen from 'boost/keygen'
@@ -43,6 +43,9 @@ let data = dataStore.getData()
 let initialArticles = data.articles
 let initialFolders = data.folders
 
+let isStatusLocked = false
+let isCreatingNew = false
+
 function folders (state = initialFolders, action) {
   state = state.slice()
   switch (action.type) {
@@ -121,10 +124,41 @@ function folders (state = initialFolders, action) {
       return state
   }
 }
-
+let isCleaned = true
 function articles (state = initialArticles, action) {
   state = state.slice()
+
+  if (!isCreatingNew && !isCleaned) {
+    state = state.filter(article => article.status !== 'NEW')
+    isCleaned = true
+  }
   switch (action.type) {
+    case SWITCH_ARTICLE:
+      if (action.data.isNew) {
+        isCleaned = false
+      }
+      if (!isStatusLocked && !action.data.isNew) {
+        isCreatingNew = false
+        if (!isCleaned) {
+          state = state.filter(article => article.status !== 'NEW')
+          isCleaned = true
+        }
+      }
+      return state
+    case SWITCH_FOLDER:
+    case SET_SEARCH_FILTER:
+    case SET_TAG_FILTER:
+    case CLEAR_SEARCH:
+      if (!isStatusLocked) {
+        isCreatingNew = false
+        if (!isCleaned) {
+          state = state.filter(article => article.status !== 'NEW')
+          isCleaned = true
+        }
+      }
+      return state
+    case CLEAR_NEW_ARTICLE:
+      return state.filter(article => article.status !== 'NEW')
     case ARTICLE_UPDATE:
       {
         let article = action.data.article
@@ -133,7 +167,8 @@ function articles (state = initialArticles, action) {
         if (targetIndex < 0) state.unshift(article)
         else state.splice(targetIndex, 1, article)
 
-        dataStore.setArticles(null, state)
+        if (article.status !== 'NEW') dataStore.setArticles(null, state)
+          else isCreatingNew = true
         return state
       }
     case ARTICLE_DESTROY:
@@ -162,16 +197,15 @@ function articles (state = initialArticles, action) {
 
 function status (state = initialStatus, action) {
   state = Object.assign({}, state)
-
   switch (action.type) {
     case TOGGLE_TUTORIAL:
       state.isTutorialOpen = !state.isTutorialOpen
       return state
     case LOCK_STATUS:
-      state.isStatusLocked = true
+      isStatusLocked = state.isStatusLocked = true
       return state
     case UNLOCK_STATUS:
-      state.isStatusLocked = false
+      isStatusLocked = state.isStatusLocked = false
       return state
   }
 
@@ -188,11 +222,10 @@ function status (state = initialStatus, action) {
       return state
     case SWITCH_MODE:
       state.mode = action.data
-      if (state.mode === CREATE_MODE) state.articleKey = null
 
       return state
     case SWITCH_ARTICLE:
-      state.articleKey = action.data
+      state.articleKey = action.data.key
       state.mode = IDLE_MODE
 
       return state
diff --git a/package.json b/package.json
index 37d485ab..12f23ca4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "boost",
-  "version": "0.4.1-beta.2",
+  "version": "0.4.1-beta.3",
   "description": "Boost App",
   "main": "main.js",
   "scripts": {