PING proxy.cn.qizhihaotian.com (106.63.29.3) 56(84) bytes of data.
64 bytes from 106.63.29.3 (106.63.29.3): icmp_seq=1 ttl=53 time=266 ms
64 bytes from 106.63.29.3 (106.63.29.3): icmp_seq=2 ttl=53 time=266 ms
64 bytes from 106.63.29.3 (106.63.29.3): icmp_seq=3 ttl=53 time=266 ms

--- proxy.cn.qizhihaotian.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 266.293/266.318/266.343/0.421 ms