可按指定时间段（最近24小时、一星期、一个月、一年、所有时间）查询，让你及时了解网站在某一时间段内的收录情况。 -You can query the specified time period (the last 24 hours, one week, one month, one year, all the time), allowing you to keep abreast of the site in a period of time included.