BEGIN:VCALENDAR
PRODID:-//Events Calendar//iCal4j 1.0//EN
VERSION:1.0
CALSCALE:GREGORIAN
BEGIN:VEVENT
UID:event_1123
DTSTAMP:20260521T192328Z
DTSTART:20260527T160000Z
DTEND:20260527T183000Z
SUMMARY:上海虚拟开放日
END:VEVENT
END:VCALENDAR