The authenticity of host ‘github.com (52.74.xxx.xxx)‘ can‘t be established.

这个问题一般在第一次使用密匙出现的，输入yes，回车即可。

The authenticity of host 'github.com (52.74.xxx.xxx)' can't be established.                                            
 RSA key fingerprint is SHA256:nThbg6kXUpJWGl7IGOCspRomTxdCARLvixxxxx.                                              This key is not known by any other names                                                                                
Are you sure you want to continue connecting (yes/no/[fingerprint])? 

我的github密匙如下：