--- a/app/views/tweets/show.atom.builder	Mon Nov 16 01:21:17 2015 +0900
+++ b/app/views/tweets/show.atom.builder	Tue Dec 01 01:08:37 2015 +0900
@@ -5,7 +5,7 @@
   @tweets.each do |tweet|
     feed.entry tweet, :url => tweet.uri, :updated => tweet.created_at do |entry|
       entry.title tweet.created_at.rfc2822
-      entry.content auto_link(tweet.text), :type => "html"
+      entry.content render(:partial => "tweet", :formats => :html, :locals => { :tweet => tweet }), :type => "html"
       entry.author do |author|
         author.name tweet.user.screen_name
       end