diff --git a/app/controllers/videos_controller.rb b/app/controllers/videos_controller.rb
index fe45228..03c592e 100644
--- a/app/controllers/videos_controller.rb
+++ b/app/controllers/videos_controller.rb
@@ -7,7 +7,6 @@ class VideosController < ApplicationController
   # GET /videos
   # GET /videos.json
   def index
-    
     if I18n.locale.to_s == "en"
       @videos = Video.video_by_type("Youtube")
     elsif I18n.locale.to_s == "zh-CN"
@@ -21,7 +20,7 @@ def show
     # render file: 'videos/show.js.erb'
     @video = Video.find(params[:id])
     respond_to do |format|
-      format.html 
+      format.html
       format.js {}
     end
   end
diff --git a/app/models/video.rb b/app/models/video.rb
index 5de06d0..518c3d1 100644
--- a/app/models/video.rb
+++ b/app/models/video.rb
@@ -54,23 +54,23 @@ def self.fetching_videos(list)
         begin
           entry = find_or_create_by(video_id: video.id)
           entry.update(
-                       title: video.title,
-                       summary: video.description,
-                       video_type: "Youtube",
-                       published_at: video.published_at,
-                       thumbnail_url: video.thumbnail_url,
-                       channel_id: video.channel_id,
-                       channel_title: video.channel_title,
-                       category_id: video.category_id,
-                       category_title: video.category_title,
-                       view_count: video.view_count,
-                       like_count: video.like_count,
-                       dislike_count: video.dislike_count,
-                       favorite_count: video.favorite_count,
-                       comment_count: video.comment_count,
-                       duration: video.duration,
-                       is_hd: video.hd?,
-                       embed_html: video.embed_html)
+            title: video.title,
+            summary: video.description,
+            video_type: "Youtube",
+            published_at: video.published_at,
+            thumbnail_url: video.thumbnail_url,
+            channel_id: video.channel_id,
+            channel_title: video.channel_title,
+            category_id: video.category_id,
+            category_title: video.category_title,
+            view_count: video.view_count,
+            like_count: video.like_count,
+            dislike_count: video.dislike_count,
+            favorite_count: video.favorite_count,
+            comment_count: video.comment_count,
+            duration: video.duration,
+            is_hd: video.hd?,
+            embed_html: video.embed_html)
         rescue
           next
         end
@@ -83,18 +83,18 @@ def self.fetching_videos(list)
           embed_html = "<embed src='http://player.youku.com/player.php/sid/" + id + "/v.swf' allowFullScreen='true' quality='high' align='middle' allowScriptAccess='always' type='application/x-shockwave-flash'></embed>"
           entry = find_or_create_by(video_id: id)
           entry.update(
-                       title: video["title"],
-                       video_type: "Youku",
-                       published_at: video["published"],
-                       thumbnail_url: video["thumbnail"],
-                       category_title: video["category"],
-                       view_count: video["view_count"],
-                       like_count: video["up_count"],
-                       dislike_count: video["down_count"],
-                       favorite_count: video["favorite_count"],
-                       comment_count: video["comment_count"],
-                       duration: video["duration"],
-                       embed_html: embed_html)
+            title: video["title"],
+            video_type: "Youku",
+            published_at: video["published"],
+            thumbnail_url: video["thumbnail"],
+            category_title: video["category"],
+            view_count: video["view_count"],
+            like_count: video["up_count"],
+            dislike_count: video["down_count"],
+            favorite_count: video["favorite_count"],
+            comment_count: video["comment_count"],
+            duration: video["duration"],
+            embed_html: embed_html)
         rescue
           next
         end
diff --git a/db/seeds.rb b/db/seeds.rb
index fc8ffad..8346cb2 100644
--- a/db/seeds.rb
+++ b/db/seeds.rb
@@ -1,8 +1,9 @@
-User.create(email: "test@techbay.com", password: "12345678", reward: 10, isadmin: true)
-List.create(name: "programming", rid: "PLxsn9ryMcqFRaF8rXgwkwb6SMzBNWhCri", source_type: "youtube")
-List.create(name: "test", rid: "27270192", source_type: "youku")
+User.find_or_create_by(email: "test@techbay.com").update(password: "12345678", reward: 10, isadmin: true)
+List.find_or_create_by(rid: "PLxsn9ryMcqFRaF8rXgwkwb6SMzBNWhCri").update(name: "programming", source_type: "youtube")
+List.find_or_create_by(rid: "27270192").update(name: "test", source_type: "youku")
 Tag.create(name: "rails")
 Tag.create(name: "html")
+
 # Suppose we use youtube
 List.all.each do |l|
   l.fetching_videos