diff --git a/app/controllers/news_controller.rb b/app/controllers/news_controller.rb
index 0b824fc..2cae1aa 100644
--- a/app/controllers/news_controller.rb
+++ b/app/controllers/news_controller.rb
@@ -6,13 +6,13 @@ class NewsController < ApplicationController
 
     if params[:keywords]
       !params[:sort].blank? ? sort = {params[:sort].to_sym=>params[:order]} : sort = {:is_top=>"desc",:postdate=>"desc"}
-      news = NewsBulletin.where(:title.ne => "").any_of(:title => /#{params[:keywords].to_s}/i).can_display_postdate.is_approved.order_by(sort).filter_by_categories(["all"]).per(15) if !params[:keywords].nil?
+      news = NewsBulletin.where(:title.ne => "",:is_preview.in=>[false,nil]).any_of(:title => /#{params[:keywords].to_s}/i).can_display_postdate.is_approved.order_by(sort).filter_by_categories(["all"]).per(15) if !params[:keywords].nil?
       news_count = "，共搜尋到" + news.count.to_s + "筆資料"
       keyword = "搜尋標題有關 ' " + params[:keywords] + " '"
     elsif params[:department]
       !params[:sort].blank? ? sort = {params[:sort].to_sym=>params[:order]} : sort = {:is_top=>"desc",:postdate=>"desc"}
       dept = Department.find_by(:uid => params["department"].split("-").last) rescue nil
-      news = NewsBulletin.where(:title.ne => "" ,:department => dept).can_display_postdate.is_approved.order_by(sort).filter_by_categories(["all"]) if !dept.nil?
+      news = NewsBulletin.where(:title.ne => "" ,:department => dept,:is_preview.in=>[false,nil]).can_display_postdate.is_approved.order_by(sort).filter_by_categories(["all"]) if !dept.nil?
       news_count = "，共搜尋到" + news.count.to_s + "筆資料"
 
       keywords = params[:department].split("-")
@@ -26,7 +26,7 @@ class NewsController < ApplicationController
     elsif params[:unit]
       unit = Unit.find_by(:uid => params["unit"].split("-").last) rescue nil
       !params[:sort].blank? ? sort = {params[:sort].to_sym=>params[:order]} : sort = {:is_top=>"desc",:postdate=>"desc"}
-      news = NewsBulletin.where(:title.ne => "" ,:unit => unit).can_display_postdate.is_approved.order_by(sort).filter_by_categories(["all"]) if !unit.nil?
+      news = NewsBulletin.where(:title.ne => "" ,:unit => unit,:is_preview.in=>[false,nil]).can_display_postdate.is_approved.order_by(sort).filter_by_categories(["all"]) if !unit.nil?
       news_count = "，共搜尋到" + news.count.to_s + "筆資料"
 
       keywords = params[:unit].split("-")
@@ -39,7 +39,7 @@ class NewsController < ApplicationController
     elsif params["category"]
       !params[:sort].blank? ? sort = {params[:sort].to_sym=>params[:order]} : sort = {:is_top=>"desc",:postdate=>"desc"}
       category = Category.find_by(:uid => params["category"].split("-").last) rescue nil
-      news = NewsBulletin.all.where(:title.ne => "").can_display_postdate.is_approved.order_by(sort).filter_by_categories([category.id.to_s]) if !category.nil?
+      news = NewsBulletin.all.where(:title.ne => "",:is_preview.in=>[false,nil]).can_display_postdate.is_approved.order_by(sort).filter_by_categories([category.id.to_s]) if !category.nil?
       news_count = "，共搜尋到" + news.count.to_s + "筆資料"
 
       keywords = params[:category].split("-")