PING ijianfei.sinaapp.com (127.0.0.1) 56(84) bytes of data.
64 bytes from localhost (127.0.0.1): icmp_seq=1 ttl=64 time=0.014 ms
64 bytes from localhost (127.0.0.1): icmp_seq=2 ttl=64 time=0.046 ms
64 bytes from localhost (127.0.0.1): icmp_seq=3 ttl=64 time=0.034 ms

--- ijianfei.sinaapp.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2028ms
rtt min/avg/max/mdev = 0.014/0.031/0.046/0.014 ms