secureFX链接失败
// 报错
No compatible key exchange method. The server supports these methods:
curve25519-sha256,
curve25519-sha256@libssh.org,
ecdh-sha2-nistp256,
ecdh-sha2-nistp384,
ecdh-sha2-nistp521,
diffie-hellman-group-exchange-sha256,
diffie-hellman-group16-sha512,
diffie-hellman-group18-sha512,
diffie-hellman-group14-sha256
