PING proxy.cn.qizhihaotian.com (106.63.29.3) 56(84) bytes of data.
64 bytes from 106.63.29.3: icmp_seq=1 ttl=52 time=229 ms
64 bytes from 106.63.29.3: icmp_seq=2 ttl=52 time=228 ms
64 bytes from 106.63.29.3: icmp_seq=3 ttl=52 time=228 ms

--- proxy.cn.qizhihaotian.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 6304ms
rtt min/avg/max/mdev = 228.865/229.209/229.895/0.735 ms