diff --git a/vendor/built_in_modules/feed/lib/rss_dynamic.rb b/vendor/built_in_modules/feed/lib/rss_dynamic.rb
new file mode 100644
index 000000000..81caa57af
--- /dev/null
+++ b/vendor/built_in_modules/feed/lib/rss_dynamic.rb
@@ -0,0 +1,89 @@
+# encoding: utf-8
+require 'rss'
+require 'mongo'
+
+#create a hash rss site list
+SITES = Hash[ AnnouncementFeed.all.map {|feed| [feed.name, feed.link]} ]
+
+#base on your DB
+DB_BASE_NAME = "production_0" 
+
+yesterday = Time.now - 86400
+two_weeks_ago = Time.new - 60 * 60 * 24 * 14
+
+recent_feed = {}
+
+SITES.each do |name, url|
+  open("http://#{url}/panel/announcement/front_end/bulletins.rss?inner=true") do |rss|
+
+    # Giving false parameter is for skipping irregular format of the RSS
+    feed = RSS::Parser.parse(rss, false)
+
+    feed.items.each do |item|
+      category = item.category.to_s.gsub(/\<(\/)*category\>/, '')
+
+      if item.pubDate > yesterday
+        recent_feed[item.title.strip] = { date: item.pubDate, description: item.description.gsub("\r\n", '<br/>').strip,
+          link: item.link, category: category, source: name }
+      end
+
+    end
+  end
+end
+
+def get_category_id(category, categories, coll_cat)
+  if categories.keys.include? "rss_#{category}"
+    [categories["rss_#{category}"], categories]
+  else
+    cat = {
+      _type: "BulletinCategory",
+      key: "rss_#{category}",
+      disable: false,
+      title: {:zh_tw => category},
+      created_at: Time.now,
+      updated_at: Time.now
+    }
+    categories["rss_#{category}"] = result = coll_cat.save(cat)
+    [result, categories]
+  end
+end
+
+def get_mongo_and_categories
+  db = Mongo::Connection.new("localhost", 27017).db("#{DB_BASE_NAME}")
+  coll_bulletin = db["bulletins"]
+  coll_cat =  db["bulletin_categories"]
+
+  categories = coll_cat.find().to_a.inject({}) do |categories, category|
+    categories[category['key']] = category['_id']
+    categories
+  end
+
+  [categories, coll_bulletin, coll_cat]
+end
+
+recent_feed.each do |title, bulletin|
+
+  categories, coll_bulletin, coll_cat = get_mongo_and_categories
+  category_id, categories = get_category_id(bulletin[:category], categories, coll_cat)
+
+  unless coll_bulletin.find_one(rss_link: bulletin[:link]) 
+    bulletin = {  _type: "Bulletin",
+                  postdate: bulletin[:date],
+                  created_at: bulletin[:date],
+                  updated_at: bulletin[:date],
+                  is_checked: true,
+                  is_pending: false,
+                  is_rejected: false,
+                  bulletin_category_id: category_id,
+                  title: {:zh_tw => title},
+                  text: {:zh_tw => bulletin[:description]},
+                  available_for_zh_tw: true,
+                  rss_link: bulletin[:link],
+                  rss_source: bulletin[:source],
+                  is_top: false,
+                  is_hot: false,
+                  is_hidden: false }
+
+    coll_bulletin.save(bulletin) 
+  end
+end