BEGIN:VCALENDAR
PRODID:-//AT Content Types//AT Event//EN
VERSION:1.0
BEGIN:VEVENT
DTSTART:20141202T195000Z
DTEND:20141203T195000Z
DCREATED:20170512T184821Z
UID:ATEvent-8f3df0c6-95b2-4429-9019-3eeb17cbc5d3
SEQUENCE:0
LAST-MODIFIED:20170512T185015Z
SUMMARY:Invited Speaker：zhen xia chen
PRIORITY:3
TRANSP:0
END:VEVENT
END:VCALENDAR