1	21:50:34.503	'83396050': ping failed
1	21:50:34.784	'83396050': connect failed [没有连接]
0	21:56:38.833	'83396050': login on TigerWit-Live through DC_A1 (ping: n/a)
0	21:56:40.708	'83396050': previous successful authorization performed from 103.233.11.58
0	21:58:19.010	'83396050': auto connecting to a better access point DC_H2 (ping is 185.31 ms)
0	21:58:19.978	'83396050': login on TigerWit-Live through DC_H2 (ping: 185.31 ms)
0	21:58:21.947	'83396050': previous successful authorization performed from 103.233.11.58
1	22:00:50.907	'83396050': connect failed [没有连接]
0	22:01:59.755	'83396050': login on TigerWit-Live through DC_A1 (ping: n/a)
0	22:02:01.755	'83396050': previous successful authorization performed from 103.233.11.58
0	22:03:40.009	'83396050': ping to current access point DC_A1 is 186.42 ms