“/”应用程序中的服务器错误。

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[InvalidOperationException: 找到多个与名为“contactus”的控制器匹配的类型。如果为此请求(“{controller}/{action}”)提供服务的路由没有指定命名空间以搜索与此请求相匹配的控制器，则会发生这种情况。如果是这样，请通过调用带有 'namespaces' 参数的 "MapRoute" 方法的重载来注册此路由。

“contactus”请求找到下列匹配的控制器:
BaoYeWeb.Controllers.Web.ContactUsController
BaoYeWeb.Controllers.Manager.Web_EN_ContactUs.ContactUsController
BaoYeWeb.Controllers.Manager.Web_AboutInfo.ContactUsController]
   System.Web.Mvc.DefaultControllerFactory.GetControllerTypeWithinNamespaces(RouteBase route, String controllerName, HashSet`1 namespaces) +158
   System.Web.Mvc.DefaultControllerFactory.GetControllerType(RequestContext requestContext, String controllerName) +510
   System.Web.Mvc.DefaultControllerFactory.System.Web.Mvc.IControllerFactory.GetControllerSessionBehavior(RequestContext requestContext, String controllerName) +53
   System.Web.Mvc.MvcRouteHandler.GetSessionStateBehavior(RequestContext requestContext) +131
   System.Web.Mvc.MvcRouteHandler.GetHttpHandler(RequestContext requestContext) +33
   System.Web.Mvc.MvcRouteHandler.System.Web.Routing.IRouteHandler.GetHttpHandler(RequestContext requestContext) +10
   System.Web.Routing.UrlRoutingModule.PostResolveRequestCache(HttpContextBase context) +9728284
   System.Web.Routing.UrlRoutingModule.OnApplicationPostResolveRequestCache(Object sender, EventArgs e) +82
   System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +136
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +69