BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//CANN conference calendar
METHOD:CANCEL
BEGIN:VEVENT
SUMMARY:[Cancel] AAL SIG������������
DTSTART:20260724T080000Z
DTEND:20260724T090000Z
DTSTAMP:20260724T080000Z
UID:WeLink985786344
SEQUENCE:4
ATTENDEE:aal@cann.osinfra.cn
END:VEVENT
END:VCALENDAR