PING dz-377413958.qqku.com (121.40.123.194) 56(84) bytes of data.
64 bytes from 121.40.123.194 (121.40.123.194): icmp_seq=2 ttl=51 time=212 ms

--- dz-377413958.qqku.com ping statistics ---
3 packets transmitted, 1 received, 66% packet loss, time 2002ms
rtt min/avg/max/mdev = 212.096/212.096/212.096/0.000 ms