PING macular-www.svrt18.cn (154.23.1.30) 56(84) bytes of data.
64 bytes from 30.kingmell.cn (154.23.1.30): icmp_seq=1 ttl=122 time=200 ms
64 bytes from 30.kingmell.cn (154.23.1.30): icmp_seq=2 ttl=122 time=200 ms
64 bytes from 30.kingmell.cn (154.23.1.30): icmp_seq=3 ttl=122 time=200 ms

--- macular-www.svrt18.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 200.351/200.506/200.683/0.534 ms