How to add a signature number with the word paid to the cover of a circle of friends?

Set it in the personality signature of WeChat.

You can set this symbol and number in the signature of WeChat, 1. Click on me, and then click on the avatar. 2. Click on my QR code to download more. 3. Click on more pop-up pages with personalized signatures to set such symbols and numbers. 4. Set personalized signature, and then save it. 5. Go back to the main page of WeChat, click Discover, and then click the avatar to see your circle of friends and personalized signature.

Click on the avatar on my page, the pop-up page can modify the avatar and name you want, and you can also take interesting shots.