why telnet changed

[xieshouyu]

use telnet ls has a problem at class ListTelnetHandler
why add this code?
buf.append(consumer.getServiceKey()).append(" (as consumer):\r\n");
buf.append(provider.getServiceKey()).append(" (as provider):\r\n");
this code Influence call telnet system upgrade

[CrazyHZM]

This is just to increase the output content.