Git：The ECDSA host key for *** has changed, and the key for the corresponding IP address ***

clone远端代码时报错：The ECDSA host key for *** has changed, and the key for the corresponding IP address *** 原因是：由于之前从远端clone过代码，所以本地known_hosts会有相应缓存信息，即ssh会默认保存该ip的连接协议信息。如果再次访问时，ssh会自动匹配之前保存的信息。无论是远端ssh服务

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