Users log in to the OLISS web side and click "Notice Management", they can select the specific notice, and then click "Read" and "Unread" to view the people who have read and the people who have not read the notice respectively. It also supports viewing the people who have read the notice content at a certain time on a certain day in a certain year and at a certain point in time.

How to check whether the receiver has read the notice (Document) .pdf