在带有Struts 2的Struts菜单中使用I18n

I've developed a menu using struts-menu 2.4.3 with Struts 2. It's working ok but I need to take the titles of the menus from a properties file (router-messages.properties). The whole application is internationalized like this. But it just doesn't work with struts-menu. Here is my menu-config.xml file:I've developed a menu using struts-menu 2.4.3 w