BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//openGauss conference calendar
METHOD:CANCEL
BEGIN:VEVENT
SUMMARY:[Cancel] test
DTSTART:20260831T003000Z
DTEND:20260831T011500Z
DTSTAMP:20260831T003000Z
UID:Zoom87952279635
SEQUENCE:2
ATTENDEE:community@opengauss.org
END:VEVENT
END:VCALENDAR