sym 部署后注册登陆 undefined

点击登陆,404 not found 错误
firebug 抓到点击 login url 跳转到如下链接
注意,当中有个 undefined:

http://218.244.133.107:8080/symphony/domain/undefined/login?goto=http%3A%2F%2F218.244.133.107%3A8080%2Fsymphony%2Fdomain%2F%25E5%25AD%25A6%25E4%25B9%25A0%25E6%25B3%2595

这个该如何解决呢