diff --git a/browser/lib/activityRecord.js b/browser/lib/activityRecord.js
index f002acdc..bd685c16 100644
--- a/browser/lib/activityRecord.js
+++ b/browser/lib/activityRecord.js
@@ -118,15 +118,15 @@ export function emit (type, data = {}) {
   }
 
   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.FOLDER_COUNT = storeData && _.isArray(storeData.folders) ? storeData.folders.length : 0
+  todayRecord.ARTICLE_COUNT = storeData && _.isArray(storeData.articles) ? storeData.articles.length : 0
   todayRecord.CLIENT_VERSION = version
 
-  todayRecord.SYNTAX_COUNT = storeData.articles.reduce((sum, article) => {
+  todayRecord.SYNTAX_COUNT = storeData && _.isArray(storeData.articles) ? storeData.articles.reduce((sum, article) => {
     if (sum[article.mode] == null) sum[article.mode] = 1
     else sum[article.mode]++
     return sum
-  }, {})
+  }, {}) : 0
 
   saveAllRecords(records)
 }
diff --git a/browser/lib/dataStore.js b/browser/lib/dataStore.js
index 14a53860..1784cc81 100644
--- a/browser/lib/dataStore.js
+++ b/browser/lib/dataStore.js
@@ -72,8 +72,7 @@ export function init () {
   // set repositories info
   getRepositories()
 
-  // set local.json
-  let data = jetpack.read(getLocalPath(), 'json')
+  data = getData()
 
   if (data == null) {
     // for 0.4.1 -> 0.4.2
@@ -105,12 +104,19 @@ export function init () {
       folders: [defaultFolder],
       version: '0.4'
     }
-    queueSave()
+    saveData()
   }
 }
 
 export function getData () {
-  if (data == null) data = jetpack.read(getLocalPath(), 'json')
+  if (data == null) {
+    try {
+      data = jetpack.read(getLocalPath(), 'json')
+
+    } catch (e) {
+      return null
+    }
+  }
   return data
 }
 
diff --git a/browser/main/modal/Tutorial.js b/browser/main/modal/Tutorial.js
index 737fe904..de45e13a 100644
--- a/browser/main/modal/Tutorial.js
+++ b/browser/main/modal/Tutorial.js
@@ -80,7 +80,7 @@ export default class Tutorial extends React.Component {
             Boost supports code syntax highlighting.<br/>
             There are more than 100 different type of language.
             <div className='code'>
-              <CodeEditor readOnly mode='jsx' code={code}/>
+              <CodeEditor readOnly article={{content:code, mode: 'jsx'}}/>
             </div>
           </div>
         </div>)
@@ -94,7 +94,7 @@ export default class Tutorial extends React.Component {
             by selecting your file with pressing Enter key,<br/>
             and to paste the contents of the Clipboard with [{process.platform === 'darwin' ? 'Command' : 'Control'}-V]
 
-            <img width='480' src='../../resources/finder.png'/>
+            <img width='480' src='../resources/finder.png'/>
           </div>
         </div>)
       case 4:
diff --git a/browser/main/reducer.js b/browser/main/reducer.js
index 944b9a0c..91a8343d 100644
--- a/browser/main/reducer.js
+++ b/browser/main/reducer.js
@@ -38,10 +38,10 @@ const initialStatus = {
 
 let data = dataStore.getData()
 let initialArticles = {
-  data: data.articles,
+  data: data && data.articles ? data.articles : [],
   modified: []
 }
-let initialFolders = data.folders
+let initialFolders = data && data.folders ? data.folders : []
 let initialUser = dataStore.getUser().user
 
 function user (state = initialUser, action) {
diff --git a/browser/styles/main/modal/Tutorial.styl b/browser/styles/main/modal/Tutorial.styl
index 309c785a..f1c48671 100644
--- a/browser/styles/main/modal/Tutorial.styl
+++ b/browser/styles/main/modal/Tutorial.styl
@@ -7,7 +7,7 @@ slideBgColor4 = #00B493
 
 .Tutorial.modal
   background-color slideBgColor0
-  color white
+  color white !important
   width 720px
   height 480px
   margin-top 75px