diff --git a/app/assets/javascripts/inc/update_cates_and_tags.js b/app/assets/javascripts/inc/update_cates_and_tags.js
new file mode 100644
index 00000000..bb41a183
--- /dev/null
+++ b/app/assets/javascripts/inc/update_cates_and_tags.js
@@ -0,0 +1,17 @@
+function update_cates_and_tags()
+{
+	$('.select_option,.select_all').removeAttr('disabled'); 
+	$(".select_all:checked").each(function( obj ) {  
+		$(this).parent().siblings('label').find('.select_option').attr('disabled',true); 
+		$(this).parent().siblings('label').find('.select_option').removeAttr('checked'); 
+	});
+	$(".select_option:checked").each(function( obj ) {  
+		$(this).parent().siblings('label').find('.select_all').attr('disabled',true); 
+		$(this).parent().siblings('label').find('.select_all').removeAttr('checked'); 
+	});
+}
+
+$(document).ready(function(){
+	update_cates_and_tags();
+	$("#widget_data_source_category,#widget_data_source_tag,#app_page_category,#app_page_tag").find('input').change(function(){update_cates_and_tags()});
+});
\ No newline at end of file
diff --git a/app/controllers/admin/page_parts_controller.rb b/app/controllers/admin/page_parts_controller.rb
index 05e2181c..5302d8d6 100644
--- a/app/controllers/admin/page_parts_controller.rb
+++ b/app/controllers/admin/page_parts_controller.rb
@@ -54,6 +54,7 @@ class Admin::PagePartsController < ApplicationController
   end
 
   def update
+    binding.pry
     @part = PagePart.find(params[:id])
   	params[:page_part][:widget_field] = params[:page_part][:widget_field].zip( params[:page_part][:widget_field_type],params[:page_part][:widget_field_is_link] ) if params[:page_part][:widget_field]
       
@@ -63,6 +64,17 @@ class Admin::PagePartsController < ApplicationController
     if params[:page_part][:module_app].blank?
       params[:page_part][:module_app] = nil
     end
+
+    if params[:page_part][:tag].include?("nil")
+      params[:page_part][:tag] = []
+    end
+
+    if params[:page_part][:category].include?("nil")
+      params[:page_part][:category] = []
+    end
+
+
+
     if @part.update_attributes(params[:page_part])
       set_children_sub_menu(@part) if @part.public_r_tag && @part.public_r_tag.eql?('sub_menu')
       flash.now[:notice] = t('update.success.content')
diff --git a/app/controllers/admin/pages_controller.rb b/app/controllers/admin/pages_controller.rb
index 77930205..c15c9d22 100644
--- a/app/controllers/admin/pages_controller.rb
+++ b/app/controllers/admin/pages_controller.rb
@@ -96,6 +96,14 @@ helper Admin::PagePartsHelper
   params[:page][:frontend_field] = params[:page][:frontend_field].zip( params[:page][:frontend_field_type] ) if params[:page][:frontend_field] 
   params[:page][:frontend_field_type] = nil
 
+    if params[:page][:tag].include?("nil")
+      params[:page][:tag] = []
+    end
+
+    if params[:page][:category].include?("nil")
+      params[:page][:category] = []
+    end
+
     if @item.update_attributes(params[:page])
       flash[:notice] = t('update.success.page')
       respond_to do |format|
diff --git a/app/controllers/default_widget_controller.rb b/app/controllers/default_widget_controller.rb
index bb7600eb..b97a2f6c 100644
--- a/app/controllers/default_widget_controller.rb
+++ b/app/controllers/default_widget_controller.rb
@@ -10,6 +10,27 @@ class DefaultWidgetController< OrbitWidgetController
     @page_part.module_app.enable_frontend?
   end
 
+  def query_for_default_widget
+    ori_class_name = @default_widget["query"].split('.')[0]
+    result = nil
+    result_objects = nil
+    if !params["tag_id"].blank?
+      @tags = Tag.find(params["tag_id"]) rescue nil
+      result_ids = nil
+      if params["category_id"].blank?
+        result_ids = @tags.collect{|tag| tag.send(ori_class_name.downcase.pluralize).entries.collect{|t| t.id}}.flatten
+      else
+        result_ids = @tags.collect{|tag| tag.send(ori_class_name.downcase.pluralize).where(:category_id=>params["category_id"]).available_for_lang(I18n.locale).can_display.collect{|t| t.id}}.flatten
+      end
+      result = eval("#{ori_class_name}.where(:id=>result_ids)")
+    elsif params["category_id"].blank?
+        result = eval(@default_widget["query"])
+      else
+        result = eval("#{ori_class_name}.where(:category_id=>params['category_id'])")
+    end
+    result.available_for_lang(I18n.locale).can_display
+  end
+
   def default_widget
     if !params[:id].blank?
       redirect_to eval("#{@page_part.module_app.widget_fields_link_method['title']['method']}('#{params[:id]}', {inner: #{params[:inner] || true}})")
diff --git a/app/helpers/admin/page_parts_helper.rb b/app/helpers/admin/page_parts_helper.rb
index 898b139e..f1cf1421 100644
--- a/app/helpers/admin/page_parts_helper.rb
+++ b/app/helpers/admin/page_parts_helper.rb
@@ -84,17 +84,17 @@ module Admin::PagePartsHelper
 
   def tag_checked_value(part,radio_value)
     if radio_value.blank?
-      (part.nil? || part[:tag].blank?)? true : false
+      (part.nil? || part[:tag].blank?) ? true : false
     else
-      part and (part[:tag] == radio_value.to_s) ? true : false
+      part and (part[:tag].include?(radio_value.to_s)) ? true : false
     end
   end
 
   def category_checked_value(part,radio_value)
     if radio_value.blank?
-      (part.nil? || part[:category].blank?)? true : false
+      (part.nil? || part[:category].blank?) ? true : false
     else
-      part and (part[:category] == radio_value.to_s) ? true : false
+      part and (part[:category].include?(radio_value.to_s)) ? true : false
     end
   end
 
@@ -117,6 +117,19 @@ module Admin::PagePartsHelper
     end 
   end
 
+  def nil_checkbox_button(part,tag_or_cate)
+    field_name = case part
+    when PagePart
+      'page_part'
+    when Page
+      'page'
+    end
+    content_tag :label,:class=>"radio inline" do 
+      op = check_box_tag("#{field_name}[#{tag_or_cate}][]", 'nil' , eval("#{tag_or_cate}_checked_value(part,'')"),:class=>'select_all')
+      op << I18n.t("default_widget.no_value")
+    end
+  end
+
   def nil_radio_button(part,tag_or_cate)
     field_name = case part
     when PagePart
diff --git a/app/models/page.rb b/app/models/page.rb
index 1f13d64c..be9c02e7 100644
--- a/app/models/page.rb
+++ b/app/models/page.rb
@@ -8,8 +8,8 @@ class Page < Item
   field :content, localize: true
   field :app_frontend_url
   field :theme_id, :type => BSON::ObjectId, :default => nil
-  field :category, :default => ''
-  field :tag, :default => ''
+  field :category,type: Array, :default => []
+  field :tag, type: Array,:default => []
   field :view_count, :type => Integer, :default => 0
   field :page_title, localize: true
   
diff --git a/app/models/page_part.rb b/app/models/page_part.rb
index b48c8060..4b0d4a8c 100644
--- a/app/models/page_part.rb
+++ b/app/models/page_part.rb
@@ -11,6 +11,8 @@ class PagePart
   field :public_r_tag_option, :default => nil
   field :page_title, localize: true
   field :widget_path
+  field :category,type: Array, :default => []
+  field :tag, type: Array,:default => []
   
   field :widget_style
   field :widget_field , :type => Array
diff --git a/app/views/admin/page_parts/_widget_data_source_category.html.erb b/app/views/admin/page_parts/_widget_data_source_category.html.erb
index d088c645..c3e4c21d 100644
--- a/app/views/admin/page_parts/_widget_data_source_category.html.erb
+++ b/app/views/admin/page_parts/_widget_data_source_category.html.erb
@@ -10,9 +10,9 @@
     <div class="well controls"> 
   <% if @categories %>
       <fieldset>
-          <%= nil_radio_button(object,:category) %>
+          <%= nil_checkbox_button(object,:category) %>
           <%= content_tag_for(:label, @categories,:class=>"radio inline") do |category|%>
-            <%= radio_button_tag("#{field_name}[category]", category.id,  category_checked_value(object,category.id) )%>
+            <%= check_box_tag("#{field_name}[category][]", category.id,  category_checked_value(object,category.id),:class=>'select_option' )%>
             <%= category.title%>
           <% end %>
       </fieldset>
diff --git a/app/views/admin/page_parts/_widget_data_source_tag.html.erb b/app/views/admin/page_parts/_widget_data_source_tag.html.erb
index bcb3e9c3..c067aede 100644
--- a/app/views/admin/page_parts/_widget_data_source_tag.html.erb
+++ b/app/views/admin/page_parts/_widget_data_source_tag.html.erb
@@ -10,9 +10,9 @@
 <div class="well controls">
   <% if @categories %>
     <fieldset>
-        <%= nil_radio_button(object,:tag) %>
+        <%= nil_checkbox_button(object,:tag) %>
         <%= content_tag_for(:label, @tags,:class=>"radio inline") do |tag|%>
-          <%= radio_button_tag("#{field_name}[tag]", tag.id,  tag_checked_value(object,tag.id)  ) %>
+          <%= check_box_tag("#{field_name}[tag][]", tag.id,  tag_checked_value(object,tag.id),:class=>'select_option'  ) %>
           <%= tag[I18n.locale]%>
         <% end if @tags%>
     </fieldset>
diff --git a/app/views/admin/page_parts/edit.html.erb b/app/views/admin/page_parts/edit.html.erb
index 907cc7eb..198e4255 100644
--- a/app/views/admin/page_parts/edit.html.erb
+++ b/app/views/admin/page_parts/edit.html.erb
@@ -2,4 +2,10 @@
 	<%= render 'admin/items/site_map_left_bar' %>
 <% end -%>
 
-<%= render 'edit' %>
\ No newline at end of file
+
+
+
+
+<%= render 'edit' %>
+
+<%=javascript_include_tag "inc/update_cates_and_tags.js" %>
\ No newline at end of file
diff --git a/app/views/admin/pages/edit.html.erb b/app/views/admin/pages/edit.html.erb
index 8bd76634..8c3c0711 100644
--- a/app/views/admin/pages/edit.html.erb
+++ b/app/views/admin/pages/edit.html.erb
@@ -4,3 +4,4 @@
 <% end -%>
 
 <%= render 'edit' %>
+<%=javascript_include_tag "inc/update_cates_and_tags.js" %>
\ No newline at end of file
diff --git a/lib/tasks/migrate.rake b/lib/tasks/migrate.rake
index 1e498c1e..52f0ae88 100644
--- a/lib/tasks/migrate.rake
+++ b/lib/tasks/migrate.rake
@@ -214,4 +214,23 @@ namespace :migrate do
     end
   end
 
+  task :convert_cate_tag_type => :environment do
+    [Page,PagePart].each do |obj|
+      obj.all.each do |pp|
+        if pp.category.blank?
+          pp.category = []
+        else
+          pp.category = [pp.category]
+        end
+
+        if pp.tag.blank?
+          pp.tag = []
+        else
+          pp.tag = [pp.tag]
+        end      
+        pp.save
+      end
+    end
+  end
+
 end