diff --git a/app/controllers/ad_banners_controller.rb b/app/controllers/ad_banners_controller.rb
index 67d9a85..6fc34fb 100644
--- a/app/controllers/ad_banners_controller.rb
+++ b/app/controllers/ad_banners_controller.rb
@@ -34,6 +34,7 @@ class AdBannersController < ApplicationController
         "title" => adbanner.title,
         "banner-height" => adbanner.height,
         "banner-width" => adbanner.width,
+        "base_image" => (adbanner.base_image - 1),
         "timeout" => (adbanner.timeout * 1000),
         "more" => "More"
         },
diff --git a/app/models/banner.rb b/app/models/banner.rb
index d16a94b..1583c95 100644
--- a/app/models/banner.rb
+++ b/app/models/banner.rb
@@ -10,6 +10,7 @@ class Banner
   field :title, type: String
   field :timeout, type: Integer, default: 5
   field :width, type: Integer
+  field :base_image, type: Integer, default: 1
 
   has_many :ad_images , dependent: :delete
 
@@ -32,6 +33,6 @@ class Banner
   end
 
   def data_attribute_hash
-    {'width'=> self.width,'height'=> self.height,'ad_fx'=> self.ad_fx,'name'=>self.title,'timeout'=>self.timeout,'speed'=>self.speed}.to_json
+    {'width'=> self.width,'height'=> self.height,'ad_fx'=> self.ad_fx,'name'=>self.title,'timeout'=>self.timeout,'speed'=>self.speed, 'base_image' => self.base_image}.to_json
   end
 end
diff --git a/app/views/admin/ad_banners/_form.html.erb b/app/views/admin/ad_banners/_form.html.erb
index 8d0a54d..3c6ab08 100644
--- a/app/views/admin/ad_banners/_form.html.erb
+++ b/app/views/admin/ad_banners/_form.html.erb
@@ -14,10 +14,8 @@
 <span class="help-block"><%= t('ad_banner.number_milliseconds') %></span>
 
 <%= f.label :size, t('ad_banner.size') %>
-<span class="banner_set">W：</span>
-<%= f.number_field :width, in: 10..3000, class: 'input-mini', onkeypress: "if (event.keyCode < 48 || event.keyCode > 57) event.returnValue = false;", id: 'width' %>
-<span class="banner_set">H：</span>
-<%= f.number_field :height, in: 10..3000, class: 'input-mini', onkeypress: "if (event.keyCode < 48 || event.keyCode > 57) event.returnValue = false;", id: 'height' %>
+<span class="banner_set">Base Image：</span>
+<%= f.number_field :base_image, in: 1..1, class: 'input-mini', onkeypress: "if (event.keyCode < 48 || event.keyCode > 57) event.returnValue = false;", id: 'base_image' %>
 
 <%= f.label :category_id, t('ad_banner.categories') %>
 <%= f.select :category_id, @categories, {} %>
diff --git a/app/views/admin/ad_banners/_index.html.erb b/app/views/admin/ad_banners/_index.html.erb
index 90eced5..6f41a91 100644
--- a/app/views/admin/ad_banners/_index.html.erb
+++ b/app/views/admin/ad_banners/_index.html.erb
@@ -237,7 +237,8 @@
         <a data-title="<%= t("ad_banner.setting") %>" 
               data-id="<%= banner.id.to_s %>" 
               data-fx="<%= banner.ad_fx %>" 
-              data-form="<%= banner.data_attribute_hash.to_s %>" 
+              data-form="<%= banner.data_attribute_hash.to_s %>"
+              data-max="<%= (banner.ad_images.blank? ? "1" : banner.ad_images.count) %>"
               class="open-slide" 
               href="#">
           <div class="ad-banner-edit-btn">
diff --git a/app/views/admin/ad_banners/index.html.erb b/app/views/admin/ad_banners/index.html.erb
index 673b1bb..e38bfa4 100644
--- a/app/views/admin/ad_banners/index.html.erb
+++ b/app/views/admin/ad_banners/index.html.erb
@@ -43,4 +43,12 @@
   </div>
 
 <% end %>
- <%= render 'layouts/delete_modal', delete_options: @delete_options %>
\ No newline at end of file
+ <%= render 'layouts/delete_modal', delete_options: @delete_options %>
+
+<script type="text/javascript">
+  $(document).ready(function(){
+    $.pageslide.openCallback(function(form,element){
+      form.find("#base_image").attr("max",element.data("max"));
+    })
+  })
+</script>
\ No newline at end of file