【Git】 WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!

详细日志如下：

Update failed
			@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
			@    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @
			@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
			IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!
			Someone could be eavesdropping on you right now (man-in-the-middle attack)!
			It is also possible that a host key has just been changed.
			The fingerprint for the RSA key sent by the remote host is
			SHA256:uNiVztksCsDhcc0u9e8BujQXVUpKZIDTMczCvj3tD2s.
			Please contact your system administrator.
			Add correct host key in /c/Users/GengZhihao/.ssh/known_hosts to get rid of this message.
			Offending RSA key in /c/Users/GengZhihao/.ssh/known_hosts:3
			RSA host key for github.com has changed and you have requested strict checking.
			Host key verification failed.
			Could not read from remote repository.
			
			Please make sure you have the correct access rights
			and the repository exists.

我们使用git去第一次拉代码时，git会将访问的服务器的地址（域名/ip）和其公钥记录在C盘中的用户/用户名/.ssh/knwn_hosts文件中。此后我们去拉代码时，git就会去known_hosts文件中比对地址和公钥是否正确，不正确就会报上述的错误。

我使用的方法比较简单，直接将文件删除[1]。这样拉代码时，所有的项目都会问一次是否连接至XXX。

此外还有一些文章提到可以使用命令[2,3]来重置，但是我没弄出来，如果下次有需要我会再试试的。

ssh-keygen -R ip

参考文章：
[1]，Host x.x.x.x not found in /root/.ssh/known_hosts

[2]，问题解决——SSH时出现WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!
[3]，REMOTE HOST IDENTIFICATION HAS CHANGED问题解决