用IE登陆论坛就会出现以下提示，用FireFox还行，就是不能上传附件，163怎么搞的？？？？

500 Servlet Exception
java.io.FileNotFoundException: /neteaseivp/passport/check.jsp
at com.caucho.server.dispatch.PageFilterChain.doFilter(PageFilterChain.java:141)
at com.caucho.server.webapp.DispatchFilterChain.doFilter(DispatchFilterChain.java:115)
at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:208)
at com.caucho.server.webapp.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:268)
at com.caucho.server.webapp.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:106)
at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1056)
at org.apache.struts.tiles.TilesRequestProcessor.doForward(TilesRequestProcessor.java:261)
at org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:388)
at org.apache.struts.tiles.TilesRequestProcessor.processForwardConfig(TilesRequestProcessor.java:316)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:231)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164)
at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:115)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:92)
at com.caucho.server.dispatch.ServletFilterChain.doFilter(ServletFilterChain.java:99)
at com.caucho.server.webapp.DispatchFilterChain.doFilter(DispatchFilterChain.java:115)
at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:208)
at com.caucho.server.webapp.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:268)
at com.caucho.server.webapp.RequestDispatcherImpl.error(RequestDispatcherImpl.java:113)
at com.caucho.server.webapp.ErrorPageManager.sendServletError(ErrorPageManager.java:354)
at com.caucho.server.webapp.WebAppFilterChain.doFilter(WebAppFilterChain.java:165)
at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:208)
at com.caucho.server.hmux.HmuxRequest.handleRequest(HmuxRequest.java:396)
at com.caucho.server.port.TcpConnection.run(TcpConnection.java:363)
at com.caucho.util.ThreadPool.runTasks(ThreadPool.java:490)
at com.caucho.util.ThreadPool.run(ThreadPool.java:423)
at java.lang.Thread.run(Thread.java:595)