Today's headline invitation code can be obtained from friends. After obtaining it, the filling method is as follows: Take the operation of Android phone as an example:

First of all, after getting someone else's invitation code, open today's headline extreme edition app on your mobile phone.

Second, after coming to the main page of today's headline Extreme Edition app, click "My" in the lower right corner.

3. After entering the personal homepage, you can find "Enter the invitation code" at the position indicated by the arrow below.

4. After opening the invitation code interface, enter the invitation code at the prompt, and then click "Submit" below.