我寄出材料一个月了,RSIS也签收了,但是没有给我acknowledgement of receipt 的 email. 我email问过RISI但也许圣诞期间没有回复。请问这种情况正常码?因为查看状态页面说Please note that you would only be able to check your application status one day AFTER you have received our acknowledgement of receipt of your application. 求教!