请重新下载DX 并且安装.推荐百度地址:http://www.baidu.com/s?wd=dx11&rsv_spt=1&issp=1&rsv_bp=0&ie=utf-8&tn=baiduhome_pg&rsv_sug3=2&rsv_sug4=121&rsv_sug1=2&oq=DX&rsv_sug2=0&f=3&rsp=0&inputT=2967
