diff --git a/app/controllers/orbit_admin_controller.rb b/app/controllers/orbit_admin_controller.rb
index 9e08844..6f060a7 100644
--- a/app/controllers/orbit_admin_controller.rb
+++ b/app/controllers/orbit_admin_controller.rb
@@ -12,8 +12,8 @@ class OrbitAdminController < ApplicationController
       case params[:sort]
         when "status"
           @sort = [[:is_top, params[:order]], 
-                        [:is_hot, params[:order]], 
-                        [:is_hidden,params[:order]]]
+                  [:is_hot, params[:order]], 
+                  [:is_hidden,params[:order]]]
         when "category"
           @sort = {:category_id=>params[:order]}
         when "title"
@@ -24,6 +24,21 @@ class OrbitAdminController < ApplicationController
           @sort = {:deadline=>params[:order]}
         when "last_modified"
           @sort = {:update_user_id=>params[:order]}
+
+        when "banner"
+          @sort = {'banner_id'=>params[:order]}
+        when "banner_name"
+          @sort = {:title=>params[:order]}
+        when "effect"
+          @sort = {:ad_fx=>params[:order]}
+        when "transition_interval"
+          @sort = {:timeout=>params[:order]}
+        when "transition_speed"
+          @sort = {:speed=>params[:order]}
+        when "size"
+          @sort = {:height=>params[:order]}
+        when "link"
+          @sort = {:out_link=>params[:order]}
       end
     else
       @sort = {:created_at=>'desc'}
diff --git a/app/helpers/orbit_backend_helper.rb b/app/helpers/orbit_backend_helper.rb
index 6620a6c..b88fe1b 100644
--- a/app/helpers/orbit_backend_helper.rb
+++ b/app/helpers/orbit_backend_helper.rb
@@ -5,11 +5,15 @@ module OrbitBackendHelper
   end
 
   def thead(field)
-    active = params[:sort].eql? field.to_s
+    sort = field.to_s.include?('.') ? field.to_s.split('.')[1] : field.to_s
+    active = params[:sort].eql? sort
     order = active ? (["asc", "desc"]-[params[:order]]).first : "asc"
     arrow = (order.eql? "desc") ? "<b class='icons-arrow-up-3'></b>" : "<b class='icons-arrow-down-4'></b>"
     klass = field.eql?(:title) ? "span5" : "span2"
-    "<th class='#{klass} #{active ? "active" : ""}'><a href='?sort=#{field}&order=#{order}''>#{t(field.to_sym)} #{active ? arrow : ""}</a></th>".html_safe
+
+    th_data = (sort=="preview") ? t(field.to_sym) : "<a href='?sort=#{sort}&order=#{order}''>#{t(field.to_sym)} #{active ? arrow : ""}</a>"
+
+    "<th class='#{klass} #{active ? "active" : ""}'>#{th_data}</th>".html_safe
   end
 
   def datetime_picker(object_name, method, options = {})