PING zjzh1992.wjw.cn (115.239.209.78) 56(84) bytes of data.
64 bytes from 115.239.209.78 (115.239.209.78): icmp_seq=1 ttl=116 time=270 ms
64 bytes from 115.239.209.78 (115.239.209.78): icmp_seq=2 ttl=116 time=269 ms
64 bytes from 115.239.209.78 (115.239.209.78): icmp_seq=3 ttl=116 time=269 ms

--- zjzh1992.wjw.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1998ms
rtt min/avg/max/mdev = 269.282/269.655/270.135/0.697 ms