diff --git a/vendor/built_in_modules/announcement/app/controllers/panel/announcement/back_end/bulletins_controller.rb b/vendor/built_in_modules/announcement/app/controllers/panel/announcement/back_end/bulletins_controller.rb
index 3642fe4fc..47c97b294 100644
--- a/vendor/built_in_modules/announcement/app/controllers/panel/announcement/back_end/bulletins_controller.rb
+++ b/vendor/built_in_modules/announcement/app/controllers/panel/announcement/back_end/bulletins_controller.rb
@@ -314,8 +314,8 @@ class Panel::Announcement::BackEnd::BulletinsController < OrbitBackendController
           nil
         end
       when 'title'
-        h = Hash.new 
-        bulletins.each { |bulletin| h[bulletin.title[I18n.locale]] = bulletin }
+        h = Array.new 
+        bulletins.each { |bulletin| h << [bulletin.title[I18n.locale].downcase, bulletin] }
         sorted = params[:direction].eql?('asc') ? h.sort : h.sort.reverse!
         sorted_titles = sorted.collect {|a| a[1] }
         Kaminari.paginate_array(sorted_titles).page(params[:page]).per(10)
@@ -325,8 +325,8 @@ class Panel::Announcement::BackEnd::BulletinsController < OrbitBackendController
         user_ids = bulletins.distinct(:update_user_id)
         users = User.find(user_ids) rescue nil
         if users
-          h = Hash.new 
-          users.each { |user| h[user.name] = user.id }
+          h = Array.new 
+          users.each { |user| h << [user.name, user.id] }
           sorted = params[:direction].eql?('asc') ? h.sort : h.sort.reverse!
           sorted_users = sorted.collect {|a| bulletins.where(:update_user_id => a[1]).entries }
           sorted_users.flatten!
@@ -339,6 +339,12 @@ class Panel::Announcement::BackEnd::BulletinsController < OrbitBackendController
         AnnouncementTag.all.order_by(I18n.locale, params[:direction]).each { |tag| a << tag.bulletins }
         a.flatten!
         a.uniq!
+        tmp = Array.new 
+        bulletins.where(:tag_ids => []).each { |bulletin| tmp << [bulletin.title[I18n.locale].downcase, bulletin] }
+        sorted = params[:direction].eql?('asc') ? tmp.sort : tmp.sort.reverse!
+        sorted_titles = sorted.collect {|a| a[1] }
+        a = params[:direction].eql?('asc') ? (sorted_titles + a) : (a + sorted_titles)
+        a.flatten!
         Kaminari.paginate_array(a).page(params[:page]).per(10)
      end
   end