9:42:35  SN:355287200010712 content :设备不在线   session is null :355287200010712
9:42:35  SN:355287200010712 content :设备不在线   session is null :355287200010712
9:42:39  SN:355287200010712 content :设备不在线   session is null :355287200010712
9:42:39  SN:355287200010712 content :设备不在线   session is null :355287200010712
9:42:56  SN:355287200010712 content :设备不在线   session is null :355287200010712
9:42:56  SN:355287200010712 content :设备不在线   session is null :355287200010712
9:43:00  SN:355287200010712 content :设备不在线   session is null :355287200010712
9:43:00  SN:355287200010712 content :设备不在线   session is null :355287200010712