diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 7f4ea0fa8..6e5f80e1e 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -234,7 +234,13 @@ class ApplicationController < ActionController::Base
     ret = ''
     ret << "/panel/#{@item.module_app.key}/front_end/#{@item.app_frontend_url}.rss"
     ret << "/#{params[:id]}" if params[:id] && !params[:id].eql?(@item.id.to_s)
-    ret << "?inner=true&category_id=#{params[:category]}&tag_id=#{params[:tag]}&page_main=#{params[:page_main]}"
+
+    categories_str=params[:category].collect{|t| "category_id[]=#{t}"}.join('&')
+    tags_str=params[:tag].collect{|t| "tag_id[]=#{t}"}.join('&')
+    categories_str = "&#{categories_str}" unless categories_str.blank?
+    tags_str = "&#{tags_str}" unless tags_str.blank?
+
+    ret << "?inner=true#{categories_str}#{tags_str}&page_main=#{params[:page_main]}"
     redirect_to ret
   end
 
diff --git a/app/controllers/default_widget_controller.rb b/app/controllers/default_widget_controller.rb
index d9fb8af0c..0bff5ebc0 100644
--- a/app/controllers/default_widget_controller.rb
+++ b/app/controllers/default_widget_controller.rb
@@ -11,26 +11,32 @@ class DefaultWidgetController< OrbitWidgetController
   end
 
   def query_for_default_widget
+
     ori_class_name = @default_widget["query"].split('.')[0]
     result = nil
     result_objects = nil
-    params["tag_id"] = [] if params["tag_id"]=="[]"    
-    params["category_id"] = [] if params["category_id"]=="[]"
     
     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.in=>params["category_id"]).available_for_lang(I18n.locale).can_display.collect{|t| t.id}}.flatten
+
+      result_ids = @tags.collect{|tag| tag.send(ori_class_name.downcase.pluralize).entries.collect{|t| t.id}}
+      if params["category_id"].blank? #has tag no cate
+        #nothing
+      else #has tag and cate
+        # result_ids = @tags.collect{|tag| tag.send(ori_class_name.downcase.pluralize).where(:#{get_category_field_name(ori_class_name)}.in=>params["category_id"]).available_for_lang(I18n.locale).can_display.collect{|t| t.id}}.flatten
+        result_ids << eval("#{ori_class_name}.where(:#{get_category_field_name(ori_class_name)}.in=>params['category_id']).entries.collect{|t| t.id}")
+        result_ids.flatten!
+
       end
       result = eval("#{ori_class_name}.where(:id=>result_ids)")
-    elsif params["category_id"].blank?
+    elsif params["category_id"].blank?  #no tag no cate
+
         result = eval(@default_widget["query"])
-      else
-        result = eval("#{ori_class_name}.where(:category_id.in=>params['category_id'])")
+      else #no tag has cate
+        result = eval("#{ori_class_name}.where(:#{get_category_field_name(ori_class_name)}.in=>params['category_id'])")
     end
+
     result.available_for_lang(I18n.locale).can_display
   end
 
@@ -72,4 +78,12 @@ class DefaultWidgetController< OrbitWidgetController
     end
   end
   
+  def get_category_field_name(ori_class_name)
+    ori_class_name = ori_class_name.constantize
+    ori_class_name.fields.each_key do |key|
+      return key if key.include?('category_id')
+    end
+    nil
+  end
+
 end
diff --git a/lib/parsers/parser_common.rb b/lib/parsers/parser_common.rb
index 7d858686e..d2f8b7b20 100644
--- a/lib/parsers/parser_common.rb
+++ b/lib/parsers/parser_common.rb
@@ -236,7 +236,13 @@ module ParserCommon
         end
           ret << "<div id='appfrontend' class='dymanic_load' path='#{url}"
           ret << "/#{params[:id]}" if params[:id] && !params[:id].eql?(page.id.to_s)
-          ret << "?inner=true&page_id=#{page.id}&category_id=#{category}&tag_id=#{tag}&preview=#{params[:preview]}&page_main=#{params[:page_main]}&search_query=#{params[:search_query]}&name=#{params[:name]}&item_type=page"
+          
+          categories_str=category.collect{|t| "category_id[]=#{t}"}.join('&')
+          tags_str=tag.collect{|t| "tag_id[]=#{t}"}.join('&')
+          categories_str = "&#{categories_str}" unless categories_str.blank?
+          tags_str = "&#{tags_str}" unless tags_str.blank?
+
+          ret << "?inner=true&page_id=#{page.id}#{categories_str}#{tags_str}&preview=#{params[:preview]}&page_main=#{params[:page_main]}&search_query=#{params[:search_query]}&name=#{params[:name]}&item_type=page"
           ret << "'></div>"        
       else
         part = page.page_parts.detect{ |p| p.name.to_s == content['name'].to_s } rescue nil
@@ -258,7 +264,13 @@ module ParserCommon
                     raise ModuleAppError,"PagePart can't find ModuleApp"   if part.module_app.nil?
                     "/panel/#{part.module_app.key}/widget/#{part.widget_path}?inner=true"
                 end
-          options = "&part_id=#{part.id}&category_id=#{!part[:category].blank? ? part[:category] : category}&tag_id=#{!part[:tag].blank? ? part[:tag] : tag}&page=#{params[:page]}&search_query=#{params[:search_query]}&part_title=#{Rack::Utils.escape(part_title).gsub("+", "%20") rescue nil}&item_type=page_part"
+          
+          categories_str=(!part[:category].blank? ? part[:category] : category).collect{|t| "category_id[]=#{t}"}.join('&')
+          tags_str=(!part[:tag].blank? ? part[:tag] : tag).collect{|t| "tag_id[]=#{t}"}.join('&')
+          categories_str = "&#{categories_str}" unless categories_str.blank?
+          tags_str = "&#{tags_str}" unless tags_str.blank?
+
+          options = "&part_id=#{part.id}#{categories_str}#{tags_str}&page=#{params[:page]}&search_query=#{params[:search_query]}&part_title=#{Rack::Utils.escape(part_title).gsub("+", "%20") rescue nil}&item_type=page_part"
           ret << "<div class='dymanic_load widget' path='#{url + options}'></div>"
         when 'public_r_tag'
           ret << "<r:#{part.public_r_tag} id='#{part.public_r_tag_object_id}'/>"
diff --git a/lib/parsers/parser_front_end.rb b/lib/parsers/parser_front_end.rb
index 2ab10cdd8..ff463f815 100644
--- a/lib/parsers/parser_front_end.rb
+++ b/lib/parsers/parser_front_end.rb
@@ -110,6 +110,7 @@ module ParserFrontEnd
     public_r_tags = []
     url = ''
     body.css('.page_content').each do |content|
+
       ret = ''
       if (content["main"] == "true" && !page.module_app.nil?)
         if page.app_frontend_url == 'default_widget'
@@ -119,8 +120,12 @@ module ParserFrontEnd
            url = "/panel/#{page.module_app.key}/front_end/#{page.app_frontend_url}\#{(\"/\" + params[:id]) if params[:id] && !params[:id].eql?(page.id.to_s)}\#{(\"/\" + params[:controller_action]) if params[:controller_action] && params[:id]}?inner=true"
         end
 
-        
-        options = "&page_id=#{page.id}&category_id=\#{category}&tag_id=\#{tag}&preview=\#{params[:preview]}&page_main=\#{params[:page_main]}&search_query=\#{params[:search_query]}&name=\#{params[:name]}&item_type=page"
+        categories_str=category.collect{|t| "category_id[]=#{t}"}.join('&')
+        tags_str=tag.collect{|t| "tag_id[]=#{t}"}.join('&')
+        categories_str = "&#{categories_str}" unless categories_str.blank?
+        tags_str = "&#{tags_str}" unless tags_str.blank?
+
+        options = "&page_id=\#{page.id}#{categories_str}#{tags_str}&preview=\#{params[:preview]}&page_main=\#{params[:page_main]}&search_query=\#{params[:search_query]}&name=\#{params[:name]}&item_type=page"
         ret << "<orbit_front path='#{url + options}'></div>"
       else
         part = page.page_parts.detect{ |p| p.name.to_s == content['name'].to_s } rescue nil
@@ -137,7 +142,13 @@ module ParserFrontEnd
                       else
                         "/panel/\#{part.module_app.key}/widget/\#{part.widget_path}?inner=true"
                     end
-          options = "&part_id=\#{part.id}&category_id=\#{part[:category]}&tag_id=\#{part[:tag]}&page=\#{params[:page]}&search_query=\#{params[:search_query]}&part_title=\#{Rack::Utils.escape(part_title).gsub(\"\+\", \"\%20\") rescue nil}&item_type=page_part"
+
+          categories_str=part[:category].collect{|t| "category_id[]=#{t}"}.join('&')
+          tags_str=part[:tag].collect{|t| "tag_id[]=#{t}"}.join('&')
+          categories_str = "&#{categories_str}" unless categories_str.blank?
+          tags_str = "&#{tags_str}" unless tags_str.blank?
+
+          options = "&part_id=\#{part.id}#{categories_str}#{tags_str}&page=\#{params[:page]}&search_query=\#{params[:search_query]}&part_title=\#{Rack::Utils.escape(part_title).gsub(\"\+\", \"\%20\") rescue nil}&item_type=page_part"
           ret << "<orbit_front path='#{url + options}' part_id=#{part.id} class='dymanic_load widget'></orbit_front>"
           
         when 'public_r_tag'