diff --git a/app/controllers/admin/asks_controller.rb b/app/controllers/admin/asks_controller.rb
index 1177c0e..12be007 100644
--- a/app/controllers/admin/asks_controller.rb
+++ b/app/controllers/admin/asks_controller.rb
@@ -18,7 +18,7 @@ class Admin::AsksController < OrbitAdminController
   end
   def print_setting
     @set = nil
-    @cats_relations = get_categories_info
+    @cats_relations = get_categories_info_for_ask
     @category_id = (params[:category] || @cats_relations[0][0] rescue nil)
     if @category_id.blank?
       @set = AskPrintSetting.first
@@ -123,7 +123,7 @@ class Admin::AsksController < OrbitAdminController
         set_input_name_for_ask('ask_category_setting[custom_fields]')
         view_context.set_input_name_for_ask('ask_category_setting[custom_fields]') #prevent not setting variables
         html = apply_fields.map do |k|
-          view_context.custom_field_block("default@#{k}", custom_fields[k])
+          view_context.custom_field_block_for_ask("default@#{k}", custom_fields[k])
         end.join("\n")
       else
         ask_setting.delete_customs_func(apply_fields, true)
@@ -426,7 +426,7 @@ class Admin::AsksController < OrbitAdminController
     @ask_question = AskQuestion.find(params[:id])
   end
   def order_fields
-    @cats_relations = get_categories_info
+    @cats_relations = get_categories_info_for_ask
     @category_id = (params[:category] || @cats_relations[0][0] rescue nil)
     @disp_fields_infos = AskSetting.get_disp_fields_infos(false,@category_id)
   end
diff --git a/app/helpers/admin/asks_helper.rb b/app/helpers/admin/asks_helper.rb
index faf2093..c6a14c9 100644
--- a/app/helpers/admin/asks_helper.rb
+++ b/app/helpers/admin/asks_helper.rb
@@ -10,7 +10,7 @@ module Admin::AsksHelper
   extend ActionView::Helpers::UrlHelper
   extend OrbitFormHelper
   extend Ckeditor::Helpers::FormHelper
-  def get_categories_info
+  def get_categories_info_for_ask
     current_user = OrbitHelper.current_user
     OrbitHelper.set_params(params,current_user)
     OrbitHelper.set_this_module_app("ask")
@@ -41,7 +41,7 @@ module Admin::AsksHelper
   def get_input_name_for_ask
     @input_name
   end
-  def create_lang_panel(field)
+  def create_lang_panel_for_ask(field)
     tmp2 = content_tag(:div,:class => 'btn-group', :data=>{:toggle=>"buttons-radio"}) do
       I18n.available_locales.collect do |key|
         link_entry_ary = ["##{field}","_#{key}"]
@@ -50,7 +50,7 @@ module Admin::AsksHelper
       end.join.html_safe
     end
   end
-  def multiple_lang_show_tag(field_name, index1,field,value=nil,combine_element='',exteral_options={},sortable=false)
+  def multiple_lang_show_tag_for_ask(field_name, index1,field,value=nil,combine_element='',exteral_options={},sortable=false)
     if !index1.nil?
       all_field = (get_input_name_for_ask + "[#{index1}][#{field}][parant]").gsub(/[\[@]/,'_').gsub(/\]/,'')
     else
@@ -62,7 +62,7 @@ module Admin::AsksHelper
         value_locale = value[locale.to_s] rescue nil
         "<div class=\"show_field\" id=\"#{index1 ? "#{get_input_name_for_ask}[#{index1}][#{field}][#{locale}]" : "#{get_input_name_for_ask}[#{field}][#{locale}]"}\">#{value_locale}</div>".html_safe
       end
-    end.join + create_lang_panel(all_field)).html_safe + combine_element
+    end.join + create_lang_panel_for_ask(all_field)).html_safe + combine_element
   
     if sortable
       if exteral_options['style'].nil?
@@ -82,7 +82,7 @@ module Admin::AsksHelper
     end
     tmp = "<tr><td>#{field_name}".html_safe + ":</td><td>".html_safe + tmp + "</td></tr>".html_safe
   end
-  def multiple_lang_tag(index1,type_of_tag,field,value=nil,custom_options={},combine_element='',exteral_options={},sortable=false)
+  def multiple_lang_tag_for_ask(index1,type_of_tag,field,value=nil,custom_options={},combine_element='',exteral_options={},sortable=false)
     if !index1.nil?
       all_field = (get_input_name_for_ask + "[#{index1}][#{field}][parant]").gsub(/[\[@]/,'_').gsub(/\]/,'')
     else
@@ -98,7 +98,7 @@ module Admin::AsksHelper
           self.__send__("#{type_of_tag}_tag","#{get_input_name_for_ask}[#{field}][#{locale}]",value_locale,custom_options)
         end
       end
-    end.join + create_lang_panel(all_field)).html_safe + combine_element
+    end.join + create_lang_panel_for_ask(all_field)).html_safe + combine_element
   
     if sortable
       if exteral_options['style'].nil?
@@ -123,8 +123,8 @@ module Admin::AsksHelper
     range_selected = (value['type'] != 'date') ? nil : value['range_flag']
     options1 = [['YYYY / MM / DD HH:mm','format1'],['YYYY / MM / DD','format2'],['YYYY / MM','format3'],['YYYY','format4']]
     options2 = [[t('yes'),'true'],[t('no'),'false']]
-    format_setting_tag = field_select_tag(key,'format',options1,format_selected)
-    range_setting_tag = field_select_tag(key,'range_flag',options2,range_selected)
+    format_setting_tag = field_select_tag_for_ask(key,'format',options1,format_selected)
+    range_setting_tag = field_select_tag_for_ask(key,'range_flag',options2,range_selected)
     "<div class=\"#{class_block}\">
       <table>
         <tbody>
@@ -138,7 +138,7 @@ module Admin::AsksHelper
       </table>
     </div>"
   end
-  def field_select_tag(index1,field,options,selected=nil,custom_options={})
+  def field_select_tag_for_ask(index1,field,options,selected=nil,custom_options={})
     select_tag("#{get_input_name_for_ask}[#{index1}][#{field}]",options_for_select(options,selected: selected),custom_options)
   end
   def field_radio_button_tag(index1,field,show_value,checked,custom_options={})
@@ -313,18 +313,18 @@ module Admin::AsksHelper
        "<pre>#{e.inspect}<br>#{e.backtrace.to_yaml}</pre>"
     end
   end
-  def custom_field_block(k,v={},show_only=false, other_first_rows="",extra_class="")
+  def custom_field_block_for_ask(k,v={},show_only=false, other_first_rows="",extra_class="")
     markups = LIST[:markups].select{|k,v| k != 'member_relationship' && k != 'address'}.collect{|key,val| [t("lists.markups."+key),key]} +[[t('ask.file_field'),'file'],[t('ask.image_field'),'image'],[t('ask.instructions'),'instructions']]
     if show_only
-      multi_lang_tag = multiple_lang_show_tag(t('ask.field_name'),k,'field',v['field'])
+      multi_lang_tag = multiple_lang_show_tag_for_ask(t('ask.field_name'),k,'field',v['field'])
       require_ask_tag = "<tr><td>#{t('ask.required')}:</td><td>#{v['required']=='true' ? t('ask.yes') : t('ask.no')}</td></tr>"
       markups = markups.map{|k,v| [v,k]}.to_h
       tmp = markups[v['type']]
       tmp = markups.values[0] if tmp.nil?
-      field_select_tag = "<tr><td>#{t('ask.setting_type')}:</td><td><div id=\"#{get_input_name_for_ask}[#{k}][type]\">#{tmp}</div></td></tr>"
+      tmp_field_select_tag_for_ask = "<tr><td>#{t('ask.setting_type')}:</td><td><div id=\"#{get_input_name_for_ask}[#{k}][type]\">#{tmp}</div></td></tr>"
       active_prompt_class = ['date','radio_button','checkbox'].exclude?(v['type']) ? ' active' : ''
       active_class = ['select','radio_button','checkbox'].include?(v['type']) ? ' active' : ''
-      multi_lang_prompt_tag = multiple_lang_show_tag(t('ask.prompt_word'),k,'prompt_word',v['prompt_word'])
+      multi_lang_prompt_tag = multiple_lang_show_tag_for_ask(t('ask.prompt_word'),k,'prompt_word',v['prompt_word'])
       field_html = "
                     <style>
                       .show_field {
@@ -339,7 +339,7 @@ module Admin::AsksHelper
                       #{other_first_rows}
                       #{multi_lang_tag}
                       #{require_ask_tag}
-                      #{field_select_tag}
+                      #{tmp_field_select_tag_for_ask}
                       #{multi_lang_prompt_tag}
                     </tbody>"
     else
@@ -348,18 +348,18 @@ module Admin::AsksHelper
       if not_editable
         hint_text = "<div style=\"font-weight: bold;\">" + t('ask.this_field_is_default_custom_fields') + "</div>"
       end
-      multi_lang_tag = multiple_lang_tag(k,'text_field','field',v['field'],{placeholder: t('ask.field_name'), disabled: (not_editable ? 'disabled' : nil)})
-      field_select_tag = field_select_tag(k,'type',markups,v['type'],{:onchange=>'check_available_setting_block(this)', :disabled=>(not_editable ? 'disabled' : nil)})
+      multi_lang_tag = multiple_lang_tag_for_ask(k,'text_field','field',v['field'],{placeholder: t('ask.field_name'), disabled: (not_editable ? 'disabled' : nil)})
+      tmp_field_select_tag_for_ask = field_select_tag_for_ask(k,'type',markups,v['type'],{:onchange=>'check_available_setting_block(this)', :disabled=>(not_editable ? 'disabled' : nil)})
       key = hidden_field_tag "#{get_input_name_for_ask}[#{k}][key]",k,{'class' => 'key'}
       all_new_options = Array(v['options']).collect do |key,value|
-                          tmp = create_delete_button('delete_added_select_option').html_safe+hidden_field_tag("#{get_input_name_for_ask}[#{k}][options][#{key}][disabled]",value['disabled'],{'class' => 'disabled_field'})
+                          tmp = create_delete_button_for_ask('delete_added_select_option').html_safe+hidden_field_tag("#{get_input_name_for_ask}[#{k}][options][#{key}][disabled]",value['disabled'],{'class' => 'disabled_field'})
                           hidden_style = value['disabled'] == 'true' ? {style: 'display:none;'} : {}
-                          "#{multiple_lang_tag(k,'text_field',"options][#{key}",value,{placeholder: t('ask.option_name'), :disabled=>(not_editable ? 'disabled' : nil)},tmp,hidden_style,true)}"
+                          "#{multiple_lang_tag_for_ask(k,'text_field',"options][#{key}",value,{placeholder: t('ask.option_name'), :disabled=>(not_editable ? 'disabled' : nil)},tmp,hidden_style,true)}"
                         end.join
       active_class = ['select','radio_button','checkbox'].include?(v['type']) ? ' active' : ''
       active_prompt_class = ['date','radio_button','checkbox'].exclude?(v['type']) ? ' active' : ''
-      multi_lang_prompt_tag = "<div class=\"prompt_word#{active_prompt_class}\">#{multiple_lang_tag(k,'text_field','prompt_word',v['prompt_word'],{placeholder: t('ask.prompt_word'), disabled: (not_editable ? 'disabled' : nil)})}</div>"
-      instructions_text_area = "<div class=\"instructions_text_area#{v['type'] == 'instructions' ? '' : ' hide'}\">#{multiple_lang_tag(k,'text_area','instructions',v['instructions'],{placeholder: t('ask.prompt_word'), class: 'ckeditor', disabled: 'disabled'})}</div>"
+      multi_lang_prompt_tag = "<div class=\"prompt_word#{active_prompt_class}\">#{multiple_lang_tag_for_ask(k,'text_field','prompt_word',v['prompt_word'],{placeholder: t('ask.prompt_word'), disabled: (not_editable ? 'disabled' : nil)})}</div>"
+      instructions_text_area = "<div class=\"instructions_text_area#{v['type'] == 'instructions' ? '' : ' hide'}\">#{multiple_lang_tag_for_ask(k,'text_area','instructions',v['instructions'],{placeholder: t('ask.prompt_word'), class: 'ckeditor', disabled: 'disabled'})}</div>"
       require_ask_tag = "<div>#{t('ask.required')}:&nbsp;&nbsp;#{field_radio_button_tag(k,'required','true',v['required']=='true',{disabled: (not_editable ? 'disabled' : nil)})}#{t('ask.yes')}#{field_radio_button_tag(k,'required','false',v['required']!='true',{disabled: (not_editable ? 'disabled' : nil)})}#{t('ask.no')}</div>"
       tmp = "<div class=\"add_new_options#{active_class}\">#{all_new_options}<input class=\"btn btn-info\" type=\"button\" value=\"#{t('ask.add_new_options')}\" onclick=\"add_new_options_for_field(this,#{k})\"></div>"
       field_html = "<tr class=\"custom_field #{extra_class}\" data-key=\"#{k}\">
@@ -368,7 +368,7 @@ module Admin::AsksHelper
                         #{hint_text}
                         #{multi_lang_tag}
                         #{require_ask_tag}
-                        #{field_select_tag}<br>
+                        #{tmp_field_select_tag_for_ask}<br>
                         #{multi_lang_prompt_tag}
                         #{instructions_text_area}
                         #{time_setting_block(k,v)}
@@ -376,12 +376,12 @@ module Admin::AsksHelper
                         #{key}
                       </td>
                       <td>
-                        #{create_delete_button('delete_field_func')}
+                        #{create_delete_button_for_ask('delete_field_func')}
                       </td>
                     </tr>"
     end
   end
-  def create_delete_button(func_name)
+  def create_delete_button_for_ask(func_name)
     "<input class=\"btn btn-danger\" type=\"button\" value=\"#{t('delete_')}\" onclick=\"#{func_name}(this)\">"
   end
   def page_for_askquestion(askquestion)
diff --git a/app/models/ask_category_setting.rb b/app/models/ask_category_setting.rb
index 7293be7..3872a46 100644
--- a/app/models/ask_category_setting.rb
+++ b/app/models/ask_category_setting.rb
@@ -75,7 +75,7 @@ class AskCategorySetting
   end
   def delete_customs_func(delete_custom_fields, add_to_reject=false)
     if delete_custom_fields.count != 0
-      delete_custom_fields = delete_custom_fields.map{|f| f.sub('default@', '')}
+      delete_custom_fields = delete_custom_fields.map{|f| f.sub(/^default@/, '')}
       self.need_check_customs -= delete_custom_fields
       self.agree_customs -= delete_custom_fields
       if add_to_reject
@@ -84,7 +84,7 @@ class AskCategorySetting
       else
         self.reject_customs -= delete_custom_fields
         delete_custom_fields.each do |f|
-          self.custom_fields.delete(f)
+          self.custom_fields.delete("default@#{f}")
         end
       end
       @skip_callback = true
diff --git a/app/views/admin/ask_acknowledgements/index.html.erb b/app/views/admin/ask_acknowledgements/index.html.erb
index 39966b5..8535aaa 100644
--- a/app/views/admin/ask_acknowledgements/index.html.erb
+++ b/app/views/admin/ask_acknowledgements/index.html.erb
@@ -13,8 +13,7 @@
   <%= form_for @ask_acknowledgements, url:  @url, html: { class: 'form-horizontal' } do |f| %>
     <div class="control-group">
       <%= f.label :content, t('ask.acknowledgements'), class: 'control-label' %>
-      <%=
-        multiple_lang_tag(nil,'text_area','content',@ask_acknowledgements.content,{:class=>'ckeditor',placeholder: t('ask.acknowledgements'),rows:10},nil,{'class' => 'controls','style'=>'display: flex;flex-direction: column-reverse;'})
+      <%= multiple_lang_tag_for_ask(nil,'text_area','content',@ask_acknowledgements.content,{:class=>'ckeditor',placeholder: t('ask.acknowledgements'),rows:10},nil,{'class' => 'controls','style'=>'display: flex;flex-direction: column-reverse;'})
       %>
     </div>
     <div class="form-actions">
diff --git a/app/views/admin/asks/_ask_setting.html.erb b/app/views/admin/asks/_ask_setting.html.erb
index f3bea38..4b8d68f 100644
--- a/app/views/admin/asks/_ask_setting.html.erb
+++ b/app/views/admin/asks/_ask_setting.html.erb
@@ -58,7 +58,7 @@
 </style>
 <script type="text/javascript">
   <%
-    option_multi_lang_tag = multiple_lang_tag(-1,'text_field','options][-2',nil,{placeholder: t('ask.option_name')},create_delete_button('delete_added_select_option').html_safe+hidden_field_tag("#{get_input_name_for_ask}[-1][options][-2][disabled]",nil,{'class' => 'disabled_field'}),{},true)
+    option_multi_lang_tag = multiple_lang_tag_for_ask(-1,'text_field','options][-2',nil,{placeholder: t('ask.option_name')},create_delete_button_for_ask('delete_added_select_option').html_safe+hidden_field_tag("#{get_input_name_for_ask}[-1][options][-2][disabled]",nil,{'class' => 'disabled_field'}),{},true)
   %>
   function check_available_setting_block(ele){
     var tmp = $(ele).val()
@@ -219,13 +219,13 @@
           </td>
           <% if form_type=='ask_setting' %>
           <td class="center">
-            <%= multiple_lang_tag(nil,'text_field',"default_setting_field_name][#{k}",ask_setting.field_name_translations(k),{placeholder: tmp}) %>
+            <%= multiple_lang_tag_for_ask(nil,'text_field',"default_setting_field_name][#{k}",ask_setting.field_name_translations(k),{placeholder: tmp}) %>
           </td>
           <td class="center">
             <% if AskSetting::No_prompt_word.include?(k) %>
               <%= t('ask.the_same_as_field_name') %>
             <% else %>
-              <%= multiple_lang_tag(nil,'text_field',"default_setting_prompt_word][#{k}",ask_setting.prompt_word_translations(k),{placeholder: tmp}) %>
+              <%= multiple_lang_tag_for_ask(nil,'text_field',"default_setting_prompt_word][#{k}",ask_setting.prompt_word_translations(k),{placeholder: tmp}) %>
             <% end %>
           </td>
           <% end %>
@@ -245,7 +245,7 @@
         </td>
       </tr>
       <% ask_setting.custom_fields.each do |k,v| %>
-        <%= custom_field_block(k,v).html_safe %>
+        <%= custom_field_block_for_ask(k,v).html_safe %>
       <% end %>
       <tr class="add_field">
         <td colspan="2" style="text-align: center;">
@@ -284,10 +284,10 @@
       <% (ask_setting.need_check_customs + ask_setting.reject_customs).sort_by{|k| k.to_i}.each do |k| %>
         <% if ask_setting.reject_customs.include?(k) %>
           <% other_first_rows = "<tr><td colspan=\"2\"><a class=\"apply_default_customs btn btn-success\" title=\"#{t('ask.apply')}\" data-category=\"#{ask_setting.category_id}\" data-apply-field=\"#{k}\">#{t('ask.apply')}</a></td></tr>" %>
-          <%= custom_field_block(k, @default_ask_setting.custom_fields[k], true, other_first_rows, "discard_fields hide").html_safe %>
+          <%= custom_field_block_for_ask(k, @default_ask_setting.custom_fields[k], true, other_first_rows, "discard_fields hide").html_safe %>
         <% else %>
           <% other_first_rows = "<tr><td colspan=\"2\"><a class=\"apply_default_customs btn btn-success\" title=\"#{t('ask.apply')}\" data-category=\"#{ask_setting.category_id}\" data-apply-field=\"#{k}\">#{t('ask.apply')}</a><a class=\"discard_default_customs btn btn-danger\" title=\"#{t('ask.discard')}\" data-category=\"#{ask_setting.category_id}\" data-apply-field=\"#{k}\">#{t('ask.discard')}</a></td></tr>" %>
-          <%= custom_field_block(k, @default_ask_setting.custom_fields[k], true, other_first_rows).html_safe %>
+          <%= custom_field_block_for_ask(k, @default_ask_setting.custom_fields[k], true, other_first_rows).html_safe %>
         <% end %>
       <% end %>
       <script>
diff --git a/app/views/admin/asks/_show_default_ask_setting.html.erb b/app/views/admin/asks/_show_default_ask_setting.html.erb
index 3c4a4df..79f2d8a 100644
--- a/app/views/admin/asks/_show_default_ask_setting.html.erb
+++ b/app/views/admin/asks/_show_default_ask_setting.html.erb
@@ -71,7 +71,7 @@
       </tr>
     </tbody>
     <% @default_ask_setting.custom_fields.each do |k,v| %>
-      <%= custom_field_block(k,v,true).html_safe %>
+      <%= custom_field_block_for_ask(k,v,true).html_safe %>
     <% end %>
   </table>
 </fieldset>
\ No newline at end of file
diff --git a/app/views/admin/asks/category_setting.html.erb b/app/views/admin/asks/category_setting.html.erb
index ce21913..e510dac 100644
--- a/app/views/admin/asks/category_setting.html.erb
+++ b/app/views/admin/asks/category_setting.html.erb
@@ -186,7 +186,7 @@
   %>
   <script type="text/javascript">
     function add_new_field(ele){
-      var category_id = $(ele).parents('form').eq(0).data('cat-id')
+      var category_id = window.ask_cateogry_id;
       $.ajax({
         url : "<%= "/#{I18n.locale}/admin/asks/get_new_category_setting_index" %>",
         dataType : "json",
@@ -196,7 +196,7 @@
           alert('init process failed, please try again later.')
         },
         success: function(data){
-          var add_field_html = "<%= custom_field_block(-1).inspect %>"
+          var add_field_html = "<%= custom_field_block_for_ask(-1).inspect %>"
           add_field_html = add_field_html.replace(/-1/g,data['key'])
           var add_field = $(ele).parents('.add_field');
           add_field.before($('<div/>').html(add_field_html).text().slice(1,-2))
diff --git a/app/views/admin/asks/setting.html.erb b/app/views/admin/asks/setting.html.erb
index 0aebf46..22dfe9a 100644
--- a/app/views/admin/asks/setting.html.erb
+++ b/app/views/admin/asks/setting.html.erb
@@ -11,7 +11,7 @@
         alert('init process failed, please try again later.')
       },
       success: function(data){
-        var add_field_html = "<%= custom_field_block(-1).inspect %>"
+        var add_field_html = "<%= custom_field_block_for_ask(-1).inspect %>"
         add_field_html = add_field_html.replace(/-1/g,data['key'])
         $(ele).parents('.add_field').before($('<div/>').html(add_field_html).text().slice(1,-2))
         var new_item = add_field.prev();