PING proxy.cn.qizhihaotian.com (180.163.233.32) 56(84) bytes of data.
64 bytes from 180.163.233.32 (180.163.233.32): icmp_seq=1 ttl=54 time=261 ms
64 bytes from 180.163.233.32 (180.163.233.32): icmp_seq=2 ttl=54 time=260 ms
64 bytes from 180.163.233.32 (180.163.233.32): icmp_seq=3 ttl=54 time=261 ms

--- proxy.cn.qizhihaotian.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1999ms
rtt min/avg/max/mdev = 260.921/260.983/261.022/0.419 ms