git@github.com: Permission denied (publickey).
fatal: Could not read from remote repository.
Please make sure you have the correct access rights
and the repository exists.
先检查自己的远程仓库绑定的有哪些：
> git remote show origin
如果Push URL的地址不是gitee地址，就要切换远程仓库地址：
> git remote set-url origin <新的gitee远程仓库地址>
没权限
https://blog.csdn.net/qq_43768946/article/details/90411154
登一下githee，确定一下你的正确的用户名和密码