PING whflower.cn (103.21.141.130) 56(84) bytes of data.
64 bytes from 103.21.141.130 (103.21.141.130): icmp_seq=1 ttl=120 time=291 ms
64 bytes from 103.21.141.130 (103.21.141.130): icmp_seq=2 ttl=120 time=290 ms
64 bytes from 103.21.141.130 (103.21.141.130): icmp_seq=3 ttl=120 time=290 ms

--- whflower.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 290.226/290.538/291.058/0.370 ms