BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//CANN conference calendar
METHOD:CANCEL
BEGIN:VEVENT
SUMMARY:[Cancel] ������
DTSTART:20260127T123000Z
DTEND:20260127T133000Z
DTSTAMP:20260127T123000Z
UID:WeLink963621338
SEQUENCE:2
ATTENDEE:infrastructure@cann.osinfra.cn
END:VEVENT
END:VCALENDAR