After opening "National K Song", click the "My" option in the lower right corner, then click the small symbol after "Set your own signature", click "Nickname", enter the nickname you want to modify, and then click "Finish".

Operating steps:

1, after opening "National K Song";

2. Click the "My" option in the lower right corner;

3. Click on the small symbol behind "Set your own personal signature";

4. Click the "Nickname" option;

5. Enter the nickname you want to modify again;

6. Finally, click the Finish option to modify the nickname.

Secondly, the method of modifying personalized signature is basically the same as the above steps. You can click View to modify it.