Because you have set up Talking about syncing to signatures, if your mobile browser supports it, you will see the Settings button at the bottom of the space page. Click Settings - Other Settings. ——You can see it, just modify it. Otherwise, please log in to the space with a computer, click the

Talking input box at the top of the personal center, and in the lower right corner you will see a small QQ icon synchronized to the QQ signature, just cancel the check above.