1. Log in to Fudan University email account on the computer and enter the inbox.
2. In the Inbox interface, you can see the "Junk Mail" folder, and click to enter the folder.
3. In the Junk Mail folder, look for quarantined messages. If so, you can select the message and click the "Restore" button to restore it to your inbox.
4. If you can't find quarantined messages in the Junk Mail folder, you can try to find them in the Deleted Items folder.