BEGIN:VCALENDAR VERSION:2.0 PRODID:-//CERN//INDICO//EN BEGIN:VEVENT SUMMARY:test DTSTART:20260416T060000Z DTEND:20260416T080000Z DTSTAMP:20261102T235900Z UID:indico-event-29373@indico.ihep.ac.cn DESCRIPTION:https://indico.ihep.ac.cn/event/29373/ URL:https://indico.ihep.ac.cn/event/29373/ END:VEVENT END:VCALENDAR