Joke Collection Website - Public benefit messages - Why is there a red notification in a read message?

Why is there a red notification in a read message?

There are also red notices that the network is delayed or unread mail is missed.

Network delay may cause the read SMS to remain unread. You can try to solve this problem by reopening the information page refresh. In addition, you may miss unread messages. You can find the filtering criteria in the SMS interface to see if there are unread messages and mark them as read. This will eliminate the red notice.