To reply to messages on Douyin Express Edition, you can follow the steps below: 1. Find the message notification bar on the Douyin Express Moderator interface. 2. Click the message in the notification bar to open the dialog page. 3. Enter the reply content in the text box of the dialog box. 4. Click the Send button to send the reply to the other party. NOTE: Just like in other social media applications, sending sensitive or inappropriate information should be avoided. At the same time, respecting others and maintaining good communication is necessary.