diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index db1d32a..e0133fe 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -28,6 +28,9 @@ class ApplicationController < ActionController::Base
     session[:locale] = session[:locale].blank? ? I18n.default_locale : session[:locale]
 
     I18n.locale = session[:locale]
+
+    @site_in_use_locales = [I18n.locale]+(in_use_locales-[I18n.locale])
+    @site_valid_locales = [I18n.locale]+(current_site.valid_locales-[I18n.locale])
   end
 
   def get_layout
diff --git a/app/views/admin/assets/_asset.html.erb b/app/views/admin/assets/_asset.html.erb
index 36f1819..57bddb9 100644
--- a/app/views/admin/assets/_asset.html.erb
+++ b/app/views/admin/assets/_asset.html.erb
@@ -2,7 +2,7 @@
   <td>
     <%= check_box_tag 'files[]', asset.id, false, :class => "checkbox_in_list" %>
     <input type="hidden" value="<%= asset.data.url %>" id="url_<%= asset.id %>" />
-    <% @current_site.in_use_locales.each_with_index do |locale, i| %>
+    <% @site_in_use_locales.each_with_index do |locale, i| %>
       <input type="hidden" value="<%= asset.description_translations[locale] rescue nil %>" id="<%= locale %>_desc_<%= asset.id %>" />
       <input type="hidden" value="<%= asset.title_translations[locale] rescue nil %>" id="<%= locale %>_title_<%= asset.id %>" />
     <% end %>
diff --git a/app/views/admin/assets/edit.html.erb b/app/views/admin/assets/edit.html.erb
index 8f7fbef..f9fe701 100644
--- a/app/views/admin/assets/edit.html.erb
+++ b/app/views/admin/assets/edit.html.erb
@@ -11,12 +11,12 @@
           <strong><%= t(:language) %></strong>
         </div>
         <ul class="nav nav-pills language-nav">
-          <% @current_site.in_use_locales.each_with_index do |locale, i| %>
+          <% @site_in_use_locales.each_with_index do |locale, i| %>
             <li <%= ( i == 0 ) ? "class=active" : '' %>><a data-toggle="tab" href=".<%= locale %>"><%= t(locale) %></a></li>
           <% end %>
         </ul>
         <div class="tab-content">
-          <% @current_site.in_use_locales.each_with_index do |locale, i| %>
+          <% @site_in_use_locales.each_with_index do |locale, i| %>
             <div class="<%= locale %> fade tab-pane <%= ( i == 0 ) ? "in active" : '' %>">
               <div class="control-group input-title">
                 <%= f.label :title , t('title'), :class=>"control-label muted" %>
diff --git a/app/views/admin/categories/_select_form.html.erb b/app/views/admin/categories/_select_form.html.erb
index a0339ae..2415453 100644
--- a/app/views/admin/categories/_select_form.html.erb
+++ b/app/views/admin/categories/_select_form.html.erb
@@ -13,7 +13,7 @@
         <h4 class="modal-title" id="myModalLabel"><%= t(:new_category) %></h4>
       </div>
       <div class="modal-body">
-        <% Site.first.in_use_locales.each do |locale| %>
+        <% @site_in_use_locales.each do |locale| %>
           <%= label_tag "name-#{locale}", "#{t(:name)} (#{t(locale)})" %>
           <input class="input-large" id="<%=locale%>" name="category[title_translations][<%=locale%>]" placeholder="<%=t(:name)%>" type="text">
           <br/><br/>
diff --git a/app/views/admin/categories/index.html.erb b/app/views/admin/categories/index.html.erb
index 04a7e12..6033517 100644
--- a/app/views/admin/categories/index.html.erb
+++ b/app/views/admin/categories/index.html.erb
@@ -15,7 +15,7 @@
         <%= form_for :category, url: nil, remote: true do |f| %>
           <fieldset>
             <%= f.fields_for :title_translations do |f| %>
-              <% Site.first.in_use_locales.each do |locale| %>
+              <% @site_in_use_locales.each do |locale| %>
                 <%= label_tag "name-#{locale}", "#{t(:name)} (#{t(locale)})" %>
                 <%= f.text_field locale, :class => 'input-large', :value => (@category.title_translations[locale] rescue ''), placeholder: t(:name), id: locale %>
               <% end %>
diff --git a/app/views/admin/tags/_form.html.erb b/app/views/admin/tags/_form.html.erb
index cd42406..0e18fec 100644
--- a/app/views/admin/tags/_form.html.erb
+++ b/app/views/admin/tags/_form.html.erb
@@ -2,7 +2,7 @@
 <%#= f.error_messages %>
 
 <%= f.fields_for :name_translations do |f| %>
-  <% Site.first.in_use_locales.each do |locale| %>
+  <% @site_in_use_locales.each do |locale| %>
     <%= f.label :locale, "#{t(:name)} #{t(locale)}" %>
     <%= f.text_field locale, class: 'input-large', placeholder: "#{t(:name)} #{t(locale)}", value: (@tag.name_translations[locale] rescue nil), id: locale %>
   <% end %>
diff --git a/app/views/admin/tags/_merge_modal.html.erb b/app/views/admin/tags/_merge_modal.html.erb
index 5f0c098..bb6d5ad 100644
--- a/app/views/admin/tags/_merge_modal.html.erb
+++ b/app/views/admin/tags/_merge_modal.html.erb
@@ -8,7 +8,7 @@
       <div class="modal-body tags">
         <div class="clearfix">
           <%= f.fields_for :name_translations do |f| %>
-            <% Site.first.in_use_locales.each do |locale| %>
+            <% @site_in_use_locales.each do |locale| %>
               <%= f.label :locale, "#{t(:name)} #{t(locale)}" %>
               <%= f.text_field locale, class: 'input-large', placeholder: "#{t(:name)} #{t(locale)}", id: locale %>
             <% end %>
diff --git a/app/views/admin/tags/_tag_form.html.erb b/app/views/admin/tags/_tag_form.html.erb
index b3350d3..565f4b3 100644
--- a/app/views/admin/tags/_tag_form.html.erb
+++ b/app/views/admin/tags/_tag_form.html.erb
@@ -19,7 +19,7 @@
         <h4 class="modal-title" id="myModalLabel"><%= t(:new_tag) %></h4>
       </div>
       <div class="modal-body">
-        <% Site.first.in_use_locales.each do |locale| %>
+        <% @site_in_use_locales.each do |locale| %>
           <%= label_tag "name-#{locale}", "#{t(:name)} (#{t(locale)})" %>
           <input class="input-large" id="<%=locale%>" name="tag[name_translations][<%=locale%>]" placeholder="<%=t(:name)%>" type="text">
           <br/><br/>
diff --git a/config/locales/zh_tw.yml b/config/locales/zh_tw.yml
index 249d337..b284e19 100644
--- a/config/locales/zh_tw.yml
+++ b/config/locales/zh_tw.yml
@@ -93,6 +93,9 @@ zh_tw:
   add_files: 新增檔案
   size: 大小
   edit_file: 編輯檔案
+  save: 儲存
+  page_content:
+    page: 頁面
 
 
   site: