如果是係統update, 應該是整個係統,, 而且是經常性的

我這是7,8 個月中唯一的一次更新.看到USCIS 網站中沒有提到係統更新會有LUD,隻是說Y
our case may have a new "Last Updated" date and you may receive an Email Notification of your case being updated, without the status of the case changing. This is due to internal USCIS processing being performed on your Case. This will be reflected in the "Last Updated" date, but may not result in a different status message