How to change the name of light encounter?

I didn't have a name when I met you. My name was given by my friend. You can change my friend's name.

1, the constellation platform that comes by chance first. Click on the buddy icon below.

2. Then click on the friend whose name you want to change.

3. Then drop down the menu on the right and click the pencil icon.

Finally, change your friend's name and click the check mark, so your friend's name will be changed.