1	21:50:47.402	'83396050': ping failed
1	21:50:47.745	'83396050': connect failed [没有连接]
0	21:56:42.120	'83396050': login on TigerWit-Live through DC_A1 (ping: n/a)
0	21:56:43.777	'83396050': previous successful authorization performed from 101.36.110.43
0	21:58:15.433	'83396050': auto connecting to a better access point DC_H2 (ping is 167.73 ms)
0	21:58:16.136	'83396050': login on TigerWit-Live through DC_H2 (ping: 167.73 ms)
0	21:58:17.823	'83396050': previous successful authorization performed from 101.36.110.43
1	22:00:37.995	'83396050': ping failed
1	22:00:41.136	'83396050': connect failed [没有连接]
0	22:01:47.167	'83396050': login on TigerWit-Live through DC_A1 (ping: n/a)
0	22:01:48.808	'83396050': previous successful authorization performed from 101.36.110.43
0	22:03:20.433	'83396050': ping to current access point DC_A1 is 167.62 ms