fix switch_language

app/helpers/application_helper.rb

@@ -353,7 +353,7 @@ module ApplicationHelper
 
   		url = url.gsub("/#{locale.to_s}/","/#{loc.to_s}/")
   		url = url.gsub("locale=#{locale.to_s}","locale=#{loc.to_s}") if url == request.original_fullpath
-  		url = url + "#{url.include?("?") ? "&" : "?"}locale=#{loc.to_s}" if url == request.original_fullpath and !url.include?(locale.to_s)
+  		url = url + "#{url.include?("?") ? "&" : "?"}locale=#{loc.to_s}" if url == request.original_fullpath and (!url.include?('/'+locale.to_s) or !url.include?(locale.to_s+'='))
   		url
   	end
 

app/views/orbit_bar/index.html.erb

@@ -90,7 +90,7 @@
               <li class="<%= (l == I18n.locale and !session['zh_cn']) ? "active" : "" %>">
                 <a href="<%= switch_language(l) %>"><%= t((l==:zh_tw ? :zh_tw_ : :_locale ), :locale => l) %></a>
               </li>
-              <% if current_site.enable_zh_cn and l == :zh_tw %>
+              <% if current_site.enable_zh_cn and l == :zh_tw and !request.path.include?("/admin/") %>
                 <li class="<%= locale==:zh_cn ? "active" : "" %>">
                   <a href="<%= switch_language(:zh_cn) %>"><%= t(:zh_cn, :locale => :zh_tw) %></a>
                 </li>

config/locales/zh_tw.yml

@@ -217,6 +217,7 @@ zh_tw:
   end_date: 結束日期
   errors:
     at_least_one: 至少擁有一個值
+  expired: 已結束
   field: 欄位
   file:
     size: 檔案大小