1.Unable to negotiate with 192.168.x.x port 22: no matching host key type found. Their offer: ssh-rs 

ssh -v -oHostKeyAlgorithms=+ssh-rsa root@192.168.2.1

2. 192.168.2.1 拒绝了我们的连接请求。

vi /etc/init.d/ttyd

delete line begin with : $interface

/etc/init.d/ttyd restart

参考文章：https://watermelonwater.tech/archives/京东云AX1800 Pro亚瑟openWRT%2FiStoreOS刷机教程

参考视频：https://youtu.be/Q2QuAyxAbCg?si=_yhCYT4GyxvyauUI&t=834