diff --git a/app/controllers/announcements_controller.rb b/app/controllers/announcements_controller.rb
index 765f403..96cdfac 100644
--- a/app/controllers/announcements_controller.rb
+++ b/app/controllers/announcements_controller.rb
@@ -31,7 +31,7 @@ class AnnouncementsController < ApplicationController
       sorted = announcements.sort{ |k,v| v["postdate"] <=> k["postdate"] }
       sorted = top_anns + sorted
       if params["keywords"].present?
-        sorted = sorted.find_all{|anns| 
+        sorted = sorted.find_all{|anns|
           if anns["source-site"].present?
             /#{params[:keywords].to_s}/i.match anns["title"]
           else
@@ -40,7 +40,7 @@ class AnnouncementsController < ApplicationController
         }
       end
       if params["postdate"].present?
-        sorted = sorted.find_all{|anns| 
+        sorted = sorted.find_all{|anns|
           if anns["source-site"].present?
             /#{params[:postdate].to_s}/i.match anns["postdate"].strftime("%Y-%m") if !anns["postdate"].nil?
           else
@@ -55,9 +55,9 @@ class AnnouncementsController < ApplicationController
         announcements = announcements.find_all{|anns| /#{params[:keywords].to_s}/i.match anns.title}
       end
       if params["postdate"].present?
-        announcements = announcements.find_all{|anns| 
+        announcements = announcements.find_all{|anns|
           if !anns.postdate.nil?
-            /#{params[:postdate].to_s}/i.match anns.postdate.strftime("%Y-%m") 
+            /#{params[:postdate].to_s}/i.match anns.postdate.strftime("%Y-%m")
           end
         }
       end
@@ -229,7 +229,7 @@ class AnnouncementsController < ApplicationController
       sorted = announcements.sort{ |k,v| v["postdate"] <=> k["postdate"] }
       sorted = top_anns + sorted
       sorted = Kaminari.paginate_array(sorted).page(1).per(OrbitHelper.widget_data_count) rescue []
-    else 
+    else
       announcements = top_anns + announcements
       sorted = Kaminari.paginate_array(announcements).page(1).per(OrbitHelper.widget_data_count) rescue []
     end
@@ -362,7 +362,7 @@ class AnnouncementsController < ApplicationController
     return {} if announcement.blank?
     tags = []
 
-    announcement["tags"].each{|tag| 
+    announcement["tags"].each{|tag|
       t = Tag.where(:name => tag["name_translations"][locale]).first rescue nil
       if t.nil?
         I18n.locale = (locale == "en" ? :zh_tw : :en)