How did the original god change his signature?

Genshin Impact's signature change method is as follows:

Mobile phone: iPhone 13

System: ios 16.0.2

Software: Protogod 3.3.0

1. After entering the main page of Genshin Impact Game, click the avatar at the top left.

2. After opening the personal information page, click the pencil icon behind the name.

3. In the new window that pops up, select and click Modify Signature.

4. After opening the signature page, click the box and enter the signature to be modified.

5. After the input is completed, click OK in the lower right corner of the window.

6. In the new window, click OK again to complete the modification.