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=198 ms
64 bytes from 106.63.29.9: icmp_seq=2 ttl=53 time=198 ms
64 bytes from 106.63.29.9: icmp_seq=3 ttl=53 time=199 ms

--- proxy.cn.qizhihaotian.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 8126ms
rtt min/avg/max/mdev = 198.316/198.978/199.993/0.892 ms