The authenticity of host 'github.com (13.250.177.223)' can't be established.

问题： 用命令ssh -T git@github.com查看git认证是否配置成功时报“The authenticity of host 'github.com (192.30.252.131)' can't be established.”的错html [root@iZ94xpmg9boZ .ssh]# ssh -T git@github.com The authenticity of host

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