I can't see the pictures sent by Douban's private letter clearly, but they always show unread.

What is intercepted by security software is spam scanning messages. The solution is that users can access security software to view the blocked spam and delete it. Some mobile phones have harassment interception function. The solution is to collect the interception software that comes with the mobile phone, find the short message and delete it.

This email is from a junk user and has been automatically blocked by the system. It is recommended to clear the cache and log in again. It may be that the other party has deleted it after publishing it, so you can't open the browser.