Socket error Event: 32 Error: 10053.

Xshell意外关闭可能会出现这种问题，如遇如下错误可解决：
Connecting to 47.106.80.28:22…
Connection established.
To escape to local shell, press ‘Ctrl+Alt+]’.

Socket error Event: 32 Error: 10053.
Connection closing…Socket close.

Connection closed by foreign host.
Disconnected from remote host(47.106.80.28) at 21:34:21.
Type `help’ to learn how to use Xshell prompt.