在链接的属性(SSH -> 安全性) 的加密算法列表中选择 aes256-ctr， mac加密列表中选择hmac-sha2-256，保存即可

To enable hmac-sha2-256 and aes256-ctr go to the SSH > Security page in the session properties. Click the Edit button for Encryption and MAC. Make sure everything is selected for encryption and MAC.