https://docs.github.com/en/authentication/managing-commit-signature-verification/telling-git-about-your-signing-key#telling-git-about-your-ssh-key

git config --global gpg.format ssh
git config --global user.signingkey /PATH/TO/.SSH/KEY.PUB

设置中增加 Signing keys

https://github.com/settings/keys

<aside>

verified commit 会直接显示 Github 账户，替代git提交输入的 user.name user.email

</aside>