1	21:50:35.869	'83396050': connect failed [没有连接]
0	21:56:40.684	'83396050': login on TigerWit-Live through DC_A1 (ping: n/a)
0	21:56:42.465	'83396050': previous successful authorization performed from 103.233.11.57
0	21:58:21.860	'83396050': auto connecting to a better access point DC_H2 (ping is 184.92 ms)
0	21:58:22.860	'83396050': login on TigerWit-Live through DC_H2 (ping: 184.92 ms)
0	21:58:24.720	'83396050': previous successful authorization performed from 103.233.11.57
1	22:00:54.946	'83396050': connect failed [没有连接]
0	22:03:12.781	'83396050': login on TigerWit-Live through DC_B2 (ping: n/a)
0	22:03:15.953	'83396050': previous successful authorization performed from 103.233.11.57
0	22:04:44.863	'83396050': ping to current access point DC_B2 is 219.60 ms