周三晚上填写160，提示说网站有问题。等到周四晚上填写，网站倒是好了，但是全部
填完后send to email的时候报错。好容易等到周日晚上，继续提交，还是报错。
Application Error
An unexpected error has occurred while processing your previous request. The
error has been reported to the site administrator; no further action is
required. To retrieve your DS-160 application, please enter your Application
ID.
这个到底是系统出故障，还是我个人问题呀。邮件里压根收不到确认信。
