Fix known bug.

Add order fields feature.

app/controllers/admin/asks_controller.rb

@@ -141,6 +141,7 @@ class Admin::AsksController < OrbitAdminController
 
   end
   def get_category_setting_field
+    @default_ask_setting = AskSetting.first
     ask_setting = AskCategorySetting.find(params['id'])
     render partial: 'category_setting_field',locals: {ask_setting: ask_setting} 
   end
@@ -384,6 +385,13 @@ class Admin::AsksController < OrbitAdminController
   def set_askquestion
     @ask_question = AskQuestion.find(params[:id])
   end
+  def order_fields
+    @disp_fields_infos = AskSetting.get_disp_fields_infos
+  end
+  def update_order_fields
+    AskSetting.update_all(:sort_number=>params[:sort_number])
+    render :json => {:success=>true}
+  end
   private
     def ask_setting_params(ask_setting,collection_name)
       param = params.require(collection_name).permit!