How to change the user name in today's headline Extreme Edition to show that the name already exists?

Does the subject want to ask, "Why can't the headline Extreme Edition change the user name today, and the display name already exists?" ? Change the name.

1. First of all, in the current software, the user name cannot be changed because it is duplicate, which means that the name already exists.

2. Second, open the extreme edition of today's headlines.

3. Then click My in the lower right corner of the interface to find the system settings.

4. Finally, click the user name in the edit data and submit it with another user name.

5. Today's Headline Extreme Edition is a convenient and easy-to-use reading software under Today's Headline.