如题，格式化硬盘后，ssh连接服务器报错

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@    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @
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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 ECDSA key sent by the remote host is
SHA256:+BpQTIkIY2r6zHeI4bERAlik/04rHRr8PV9I+GeAdBs.
Please contact your system administrator.
Add correct host key in /Users/hulkchan/.ssh/known_hosts to get rid of this message.
Offending ECDSA key in /Users/hulkchan/.ssh/known_hosts:1
ECDSA host key for 123.56.95.1 has changed and you have requested strict checking.
Host key verification failed.

rm -rf ~/.ssh/known_hosts