PING proxy.cn.qizhihaotian.com (106.63.29.9) 56(84) bytes of data.
64 bytes from 106.63.29.9: icmp_seq=1 ttl=53 time=190 ms
64 bytes from 106.63.29.9: icmp_seq=2 ttl=53 time=189 ms
64 bytes from 106.63.29.9: icmp_seq=3 ttl=53 time=188 ms

--- proxy.cn.qizhihaotian.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 7907ms
rtt min/avg/max/mdev = 188.778/189.609/190.965/1.089 ms