上周四查到妈妈的B2签证已经issue了,结果从上周五到现在再查,一直都是显示 "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." 应该是网站系统的问题吧,已经买了2.22的机票,希望不要有什么问题。 顺便问一下,一般从issue到能从中信取,大概需要多少天?