PS C:\Users\xxx\go> telnet localhost 7000: Connecting To localhost...Could not open connection to the host, on port 7000:: Connect failed
telnet连接失败。如果直接输入telnet，shell会显示下面的信息
Welcome to Microsoft Telnet Client Escape Character is 'CTRL+]' Microsoft Telnet>
把端口调小看，不要用那么大的，不好