diff --git a/app/controllers/mobile_controller.rb b/app/controllers/mobile_controller.rb
index 9d3cfeae..163f3143 100644
--- a/app/controllers/mobile_controller.rb
+++ b/app/controllers/mobile_controller.rb
@@ -5,21 +5,19 @@ class MobileController < ApplicationController
   before_filter :no_footer_for_app
 
   def index
-    @site = Site.first
     date_now = Time.now
-    @bulletins = Bulletin.all.available_for_lang(I18n.locale).can_display.any_of( {deadline: nil,:postdate.lte => date_now} , {:deadline.gte => date_now,:postdate.lte => date_now} ).desc( :is_top, :postdate).page(params[:page_main]).per(15)
+    @site = Site.first
+    category = @site.announcement_category
+    @bulletins = Bulletin.where(:category_id.in => category).available_for_lang(I18n.locale).can_display.any_of( {deadline: nil,:postdate.lte => date_now} , {:deadline.gte => date_now,:postdate.lte => date_now} ).desc( :is_top, :postdate).page(params[:page_main]).per(15)
     @ad_banner = AdBanner.find(:all, :conditions => {:title => /Home/i})[0]
   end
 
   def announcement
-    @module = ModuleApp.where(:key => "announcement").first
-    category=[]
-    @module.categories.each do |c|
-      puts category << c.id.to_s
-    end
+    @site = Site.first
+    category = @site.announcement_category
     @page_title = t('mobile.bulletin')
     date_now = Time.now
-    bulletin = Bulletin.where(:category_id.in => category).available_for_lang(I18n.locale).can_display.any_of( {deadline: nil,:postdate.lte => date_now} , {:deadline.gte => date_now,:postdate.lte => date_now} ).desc( :is_top, :postdate).page(params[:page_main]).per(15)
+    @bulletins = Bulletin.where(:category_id.in => category).available_for_lang(I18n.locale).can_display.any_of( {deadline: nil,:postdate.lte => date_now} , {:deadline.gte => date_now,:postdate.lte => date_now} ).desc( :is_top, :postdate).page(params[:page_main]).per(15)
     # @bulletins = Bulletin.all.available_for_lang(I18n.locale).can_display.any_of( {deadline: nil,:postdate.lte => date_now} , {:deadline.gte => date_now,:postdate.lte => date_now} ).desc( :is_top, :postdate).page(params[:page_main]).per(15)
   end