10:25:50  SN:860132061700332 content :设备不在线   session is null :860132061700332
10:27:15  SN:860132061700332 content :设备不在线   session is null :860132061700332
10:27:15  SN:860132061700332 content :设备不在线   session is null :860132061700332
14:55:17  SN:860132061700332 content :设备不在线   session is null :860132061700332
14:57:10  SN:860132061700332 content :设备不在线   session is null :860132061700332
14:57:10  SN:860132061700332 content :设备不在线   session is null :860132061700332