1. Open WeChat on your mobile phone, and on the My page, click on the WeChat avatar above.
2. On the personal information page, click More.
3. On the More page, click Personalized Signature.
4. On the personalized signature page, enter a line of text.
5. Click the arrow on the next line of the keyboard to separate each word, and then click Save.
6. After completion, the signature in the circle of friends has been made vertical.