TLClient_JSSCOM_LuatOS-Air_V4010_RDA8910_RFTTS_0xe0000,2.7.0,861658060911396,67056705310356,
poweron reason:0
===09:31:39===
2025-05-15 09:31:36 >>>剩余flash空间=1682000,占用RAM为629.640625
2025-05-15 09:31:36 >>>回调异常:911,initSys,30000,nil
===09:32:39===
上一时间戳为1747187267
隔日重置时间戳true
隔日清空未同步下发列表true
当前排队号为1,音量为5
初始化产品信息:[{"time_limit_date":"","ticket_category":"0","expiry_date":90,"product_detail":"","time_limit_status":"0","begin_minute":"00","product_uid":"4279730210161201492","use_timer":1,"old_price":"20","end_hour":"23","sale_price":"12","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"精致剪发"}]
是否打印二维码设置为1
是否打印紧凑设置为3
当前号显示模式设置为1
session_id:36290****97a5a
纸币器设置接收纸币范围为11
欢迎使用天羚自助售票系统[2.7.0]
定时检测未同步订单启用
2025-05-15 09:31:45>>>cash write=30
2025-05-15 09:31:45>>>cash write=02
2025-05-15 09:31:45>>>cash write=3E
2025-05-15 09:31:45>>>cash read=808F808F808F808F808F808F808F808F
系统时间初始化成功，时间为202551593145
2025-05-15 09:31:46>>>cash write=02
2025-05-15 09:31:46 >>>剩余flash空间=1680500,占用RAM为636.638671875
2025-05-15 09:31:46 >>>回调事件:910,subscribe,10000,连接服务器成功
2025-05-15 09:31:47 >>>剩余flash空间=1680000,占用RAM为609.259765625
2025-05-15 09:31:47 >>>回调事件:911,GetMqttQueue,500,暂无需要下发的信息，请求类型：ticket
2025-05-15 09:31:49>>>cash write=0C
2025-05-15 09:31:49>>>cash read=3E
流量卡还有168天过期
2025-05-15 09:31:57 >>>当前Ram内存为658.0009765625
===09:33:39===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===09:50:40===
2025-05-15 09:50:09 >>>回调事件[910,devices/TL2544]
当日首次设置时间戳true为1747273809
2025-05-15 09:50:09 >>>故障排除日志:上一MQTT订单号缓存列表为2505142047460046115953
2025-05-15 09:50:09 >>>故障排除日志:终端未同步成功订单列表
2025-05-15 09:50:09 开始打印,排队:1,票券:2505150950032953945101,订单:2505150950030027614554,[2025-05-15 09:50:09微信支付12元]
2025-05-15 09:50:11 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2505150950032953945101","queue_number":1,"trade_uid":"2505150950030027614554"}]}
2025-05-15 09:50:11 >>>故障排除日志:删除未同步下发订单成功2505150950030027614554
2025-05-15 09:50:11 >>>故障排除日志:终端同步成功后剩余订单列表
===10:16:40===
2025-05-15 10:15:39 >>>回调事件[910,devices/TL2544]
2025-05-15 10:15:39 >>>故障排除日志:上一MQTT订单号缓存列表为2505150950030027614554
2025-05-15 10:15:39 >>>故障排除日志:终端未同步成功订单列表
2025-05-15 10:15:39 开始打印,排队:2,票券:2505151015283703608601,订单:2505151015280036583273,[2025-05-15 10:15:39微信支付12元]
2025-05-15 10:15:41 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2505151015283703608601","queue_number":2,"trade_uid":"2505151015280036583273"}]}
2025-05-15 10:15:41 >>>故障排除日志:删除未同步下发订单成功2505151015280036583273
2025-05-15 10:15:41 >>>故障排除日志:终端同步成功后剩余订单列表
===11:05:40===
2025-05-15 11:05:23 >>>回调事件[910,devices/TL2544]
2025-05-15 11:05:23 >>>故障排除日志:上一MQTT订单号缓存列表为2505151015280036583273
2025-05-15 11:05:23 >>>故障排除日志:终端未同步成功订单列表
2025-05-15 11:05:23 开始打印,排队:3,票券:2505151105167270226401,订单:2505151105160072287551,[2025-05-15 11:05:23微信支付12元]
2025-05-15 11:05:25 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2505151105167270226401","queue_number":3,"trade_uid":"2505151105160072287551"}]}
2025-05-15 11:05:25 >>>故障排除日志:删除未同步下发订单成功2505151105160072287551
2025-05-15 11:05:25 >>>故障排除日志:终端同步成功后剩余订单列表
===11:23:41===
2025-05-15 11:23:18 >>>回调事件[910,devices/TL2544]
2025-05-15 11:23:18 >>>故障排除日志:上一MQTT订单号缓存列表为2505151105160072287551
2025-05-15 11:23:18 >>>故障排除日志:终端未同步成功订单列表
2025-05-15 11:23:18 开始打印,排队:4,票券:2505151123113554412901,订单:2505151123110035163941,[2025-05-15 11:23:17微信支付12元]
2025-05-15 11:23:20 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2505151123113554412901","queue_number":4,"trade_uid":"2505151123110035163941"}]}
2025-05-15 11:23:20 >>>故障排除日志:删除未同步下发订单成功2505151123110035163941
2025-05-15 11:23:20 >>>故障排除日志:终端同步成功后剩余订单列表
===11:48:41===
2025-05-15 11:47:44 >>>回调事件[910,devices/TL2544]
2025-05-15 11:47:44 >>>故障排除日志:上一MQTT订单号缓存列表为2505151123110035163941
2025-05-15 11:47:44 >>>故障排除日志:终端未同步成功订单列表
2025-05-15 11:47:44 开始打印,排队:5,票券:2505151147374813878401,订单:2505151147370047726762,[2025-05-15 11:47:43微信支付12元]
2025-05-15 11:47:46 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2505151147374813878401","queue_number":5,"trade_uid":"2505151147370047726762"}]}
2025-05-15 11:47:46 >>>故障排除日志:删除未同步下发订单成功2505151147370047726762
2025-05-15 11:47:46 >>>故障排除日志:终端同步成功后剩余订单列表
===12:13:41===
2025-05-15 12:13:11 >>>回调事件[910,devices/TL2544]
2025-05-15 12:13:11 >>>故障排除日志:上一MQTT订单号缓存列表为2505151147370047726762
2025-05-15 12:13:11 >>>故障排除日志:终端未同步成功订单列表
2025-05-15 12:13:11 开始打印,排队:6,票券:2505151213016778918701,订单:2505151213010067356313,[2025-05-15 12:13:11微信支付12元]
2025-05-15 12:13:13 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2505151213016778918701","queue_number":6,"trade_uid":"2505151213010067356313"}]}
2025-05-15 12:13:13 >>>故障排除日志:删除未同步下发订单成功2505151213010067356313
2025-05-15 12:13:13 >>>故障排除日志:终端同步成功后剩余订单列表
===12:23:41===
2025-05-15 12:23:37 >>>回调事件[910,devices/TL2544]
2025-05-15 12:23:37 >>>故障排除日志:上一MQTT订单号缓存列表为2505151213010067356313
2025-05-15 12:23:37 >>>故障排除日志:终端未同步成功订单列表
2025-05-15 12:23:37 开始打印,排队:7,票券:2505151223310550634301,订单:2505151223310005087389,[2025-05-15 12:23:37微信支付12元]
2025-05-15 12:23:40 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2505151223310550634301","queue_number":7,"trade_uid":"2505151223310005087389"}]}
2025-05-15 12:23:40 >>>故障排除日志:删除未同步下发订单成功2505151223310005087389
2025-05-15 12:23:40 >>>故障排除日志:终端同步成功后剩余订单列表
===12:36:42===
2025-05-15 12:36:35 >>>回调事件[910,devices/TL2544]
2025-05-15 12:36:35 >>>故障排除日志:上一MQTT订单号缓存列表为2505151223310005087389
2025-05-15 12:36:35 >>>故障排除日志:终端未同步成功订单列表
2025-05-15 12:36:35 开始打印,排队:8,票券:2505151236285707212501,订单:2505151236280056646618,[2025-05-15 12:36:35微信支付12元]
2025-05-15 12:36:37 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2505151236285707212501","queue_number":8,"trade_uid":"2505151236280056646618"}]}
2025-05-15 12:36:37 >>>故障排除日志:删除未同步下发订单成功2505151236280056646618
2025-05-15 12:36:38 >>>故障排除日志:终端同步成功后剩余订单列表
===12:37:42===
2025-05-15 12:37:13 >>>回调事件[910,devices/TL2544]
2025-05-15 12:37:13 >>>故障排除日志:上一MQTT订单号缓存列表为2505151236280056646618
2025-05-15 12:37:13 >>>故障排除日志:终端未同步成功订单列表
2025-05-15 12:37:13 开始打印,排队:9,票券:2505151237030683107601,订单:2505151237030006385269,[2025-05-15 12:37:11微信支付12元]
2025-05-15 12:37:15 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2505151237030683107601","queue_number":9,"trade_uid":"2505151237030006385269"}]}
2025-05-15 12:37:15 >>>故障排除日志:删除未同步下发订单成功2505151237030006385269
2025-05-15 12:37:15 >>>故障排除日志:终端同步成功后剩余订单列表
===13:10:42===
2025-05-15 13:09:45 >>>回调事件[910,devices/TL2544]
2025-05-15 13:09:45 >>>故障排除日志:上一MQTT订单号缓存列表为2505151237030006385269
2025-05-15 13:09:45 >>>故障排除日志:终端未同步成功订单列表
2025-05-15 13:09:45 开始打印,排队:10,票券:2505151309371889119401,订单:2505151309370018439853,[2025-05-15 13:09:45微信支付12元]
2025-05-15 13:09:47 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2505151309371889119401","queue_number":10,"trade_uid":"2505151309370018439853"}]}
2025-05-15 13:09:47 >>>故障排除日志:删除未同步下发订单成功2505151309370018439853
2025-05-15 13:09:47 >>>故障排除日志:终端同步成功后剩余订单列表
===15:05:42===
2025-05-15 15:05:03 >>>回调事件[910,devices/TL2544]
2025-05-15 15:05:03 >>>故障排除日志:上一MQTT订单号缓存列表为2505151309370018439853
2025-05-15 15:05:03 >>>故障排除日志:终端未同步成功订单列表
2025-05-15 15:05:03 开始打印,排队:11,票券:2505151504491391588401,订单:2505151504490013514873,[2025-05-15 15:05:02微信支付12元]
2025-05-15 15:05:05 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2505151504491391588401","queue_number":11,"trade_uid":"2505151504490013514873"}]}
2025-05-15 15:05:05 >>>故障排除日志:删除未同步下发订单成功2505151504490013514873
2025-05-15 15:05:05 >>>故障排除日志:终端同步成功后剩余订单列表
===15:38:43===
2025-05-15 15:38:12 >>>回调事件[910,devices/TL2544]
2025-05-15 15:38:12 >>>故障排除日志:上一MQTT订单号缓存列表为2505151504490013514873
2025-05-15 15:38:12 >>>故障排除日志:终端未同步成功订单列表
2025-05-15 15:38:12 开始打印,排队:12,票券:2505151537484913857801,订单:2505151537480048706635,[2025-05-15 15:38:11微信支付12元]
2025-05-15 15:38:14 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2505151537484913857801","queue_number":12,"trade_uid":"2505151537480048706635"}]}
2025-05-15 15:38:14 >>>故障排除日志:删除未同步下发订单成功2505151537480048706635
2025-05-15 15:38:14 >>>故障排除日志:终端同步成功后剩余订单列表
===15:39:43===
2025-05-15 15:38:43 >>>回调事件[910,devices/TL2544]
2025-05-15 15:38:43 >>>故障排除日志:上一MQTT订单号缓存列表为2505151537480048706635
2025-05-15 15:38:43 >>>故障排除日志:终端未同步成功订单列表
2025-05-15 15:38:44 开始打印,排队:13,票券:2505151538340960318401,订单:2505151538340009214432,[2025-05-15 15:38:43微信支付12元]
2025-05-15 15:38:46 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2505151538340960318401","queue_number":13,"trade_uid":"2505151538340009214432"}]}
2025-05-15 15:38:46 >>>故障排除日志:删除未同步下发订单成功2505151538340009214432
2025-05-15 15:38:46 >>>故障排除日志:终端同步成功后剩余订单列表
===16:19:43===
2025-05-15 16:19:16 >>>回调事件[910,devices/TL2544]
2025-05-15 16:19:16 >>>故障排除日志:上一MQTT订单号缓存列表为2505151538340009214432
2025-05-15 16:19:16 >>>故障排除日志:终端未同步成功订单列表
2025-05-15 16:19:16 开始打印,排队:14,票券:2505151619103039678201,订单:2505151619100030010543,[2025-05-15 16:19:16微信支付12元]
2025-05-15 16:19:18 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2505151619103039678201","queue_number":14,"trade_uid":"2505151619100030010543"}]}
2025-05-15 16:19:18 >>>故障排除日志:删除未同步下发订单成功2505151619100030010543
2025-05-15 16:19:18 >>>故障排除日志:终端同步成功后剩余订单列表
===16:30:43===
2025-05-15 16:30:06 >>>回调事件[910,devices/TL2544]
2025-05-15 16:30:06 >>>故障排除日志:上一MQTT订单号缓存列表为2505151619100030010543
2025-05-15 16:30:06 >>>故障排除日志:终端未同步成功订单列表
2025-05-15 16:30:06 开始打印,排队:15,票券:2505151630002641629601,订单:2505151630000026011182,[2025-05-15 16:30:06微信支付12元]
2025-05-15 16:30:08 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2505151630002641629601","queue_number":15,"trade_uid":"2505151630000026011182"}]}
2025-05-15 16:30:08 >>>故障排除日志:删除未同步下发订单成功2505151630000026011182
2025-05-15 16:30:08 >>>故障排除日志:终端同步成功后剩余订单列表
===16:31:44===
2025-05-15 16:31:34 >>>回调事件[910,devices/TL2544]
2025-05-15 16:31:34 >>>故障排除日志:上一MQTT订单号缓存列表为2505151630000026011182
2025-05-15 16:31:34 >>>故障排除日志:终端未同步成功订单列表
2025-05-15 16:31:34 开始打印,排队:16,票券:2505151631277807674801,订单:2505151631270077652147,[2025-05-15 16:31:33微信支付12元]
2025-05-15 16:31:35 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2505151631277807674801","queue_number":16,"trade_uid":"2505151631270077652147"}]}
2025-05-15 16:31:36 >>>故障排除日志:删除未同步下发订单成功2505151631270077652147
2025-05-15 16:31:36 >>>故障排除日志:终端同步成功后剩余订单列表
===17:00:44===
2025-05-15 17:00:31 >>>回调事件[910,devices/TL2544]
2025-05-15 17:00:31 >>>故障排除日志:上一MQTT订单号缓存列表为2505151631270077652147
2025-05-15 17:00:31 >>>故障排除日志:终端未同步成功订单列表
2025-05-15 17:00:31 开始打印,排队:17,票券:2505151700231057631701,订单:2505151700230010151112,[2025-05-15 17:00:30微信支付12元]
2025-05-15 17:00:33 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2505151700231057631701","queue_number":17,"trade_uid":"2505151700230010151112"}]}
2025-05-15 17:00:33 >>>故障排除日志:删除未同步下发订单成功2505151700230010151112
2025-05-15 17:00:33 >>>故障排除日志:终端同步成功后剩余订单列表
===18:04:44===
2025-05-15 18:03:47 >>>回调事件[910,devices/TL2544]
2025-05-15 18:03:47 >>>故障排除日志:上一MQTT订单号缓存列表为2505151700230010151112
2025-05-15 18:03:47 >>>故障排除日志:终端未同步成功订单列表
2025-05-15 18:03:47 开始打印,排队:18,票券:2505151803412074207101,订单:2505151803410020322245,[2025-05-15 18:03:47微信支付12元]
2025-05-15 18:03:49 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2505151803412074207101","queue_number":18,"trade_uid":"2505151803410020322245"}]}
2025-05-15 18:03:49 >>>故障排除日志:删除未同步下发订单成功2505151803410020322245
2025-05-15 18:03:49 >>>故障排除日志:终端同步成功后剩余订单列表
===18:05:44===
2025-05-15 18:05:32 >>>回调事件[910,devices/TL2544]
2025-05-15 18:05:32 >>>故障排除日志:上一MQTT订单号缓存列表为2505151803410020322245
2025-05-15 18:05:32 >>>故障排除日志:终端未同步成功订单列表
2025-05-15 18:05:32 开始打印,排队:19,票券:2505151805262706803401,订单:2505151805260026663196,[2025-05-15 18:05:31微信支付12元]
2025-05-15 18:05:34 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2505151805262706803401","queue_number":19,"trade_uid":"2505151805260026663196"}]}
2025-05-15 18:05:34 >>>故障排除日志:删除未同步下发订单成功2505151805260026663196
2025-05-15 18:05:34 >>>故障排除日志:终端同步成功后剩余订单列表
===18:15:44===
2025-05-15 18:14:46 >>>回调事件[910,devices/TL2544]
2025-05-15 18:14:46 >>>故障排除日志:上一MQTT订单号缓存列表为2505151805260026663196
2025-05-15 18:14:46 >>>故障排除日志:终端未同步成功订单列表
2025-05-15 18:14:46 开始打印,排队:20,票券:2505151814402183087601,订单:2505151814400021377663,[2025-05-15 18:14:46微信支付12元]
2025-05-15 18:14:48 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2505151814402183087601","queue_number":20,"trade_uid":"2505151814400021377663"}]}
2025-05-15 18:14:48 >>>故障排除日志:删除未同步下发订单成功2505151814400021377663
2025-05-15 18:14:48 >>>故障排除日志:终端同步成功后剩余订单列表
===18:30:45===
2025-05-15 18:30:38>>>cash read=0A
2025-05-15 18:30:39>>>cash read=3E
===18:52:45===
2025-05-15 18:52:36 >>>回调事件[910,devices/TL2544]
2025-05-15 18:52:36 >>>故障排除日志:上一MQTT订单号缓存列表为2505151814400021377663
2025-05-15 18:52:36 >>>故障排除日志:终端未同步成功订单列表
2025-05-15 18:52:36 开始打印,排队:21,票券:2505151852299964314301,订单:2505151852290099221663,[2025-05-15 18:52:36微信支付12元]
2025-05-15 18:52:38 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2505151852299964314301","queue_number":21,"trade_uid":"2505151852290099221663"}]}
2025-05-15 18:52:38 >>>故障排除日志:删除未同步下发订单成功2505151852290099221663
2025-05-15 18:52:38 >>>故障排除日志:终端同步成功后剩余订单列表
===19:14:45===
2025-05-15 19:14:05 >>>回调事件[910,devices/TL2544]
2025-05-15 19:14:05 >>>故障排除日志:上一MQTT订单号缓存列表为2505151852290099221663
2025-05-15 19:14:05 >>>故障排除日志:终端未同步成功订单列表
2025-05-15 19:14:05 开始打印,排队:22,票券:2505151914001543486101,订单:2505151914000015009057,[2025-05-15 19:14:05微信支付12元]
2025-05-15 19:14:07 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2505151914001543486101","queue_number":22,"trade_uid":"2505151914000015009057"}]}
2025-05-15 19:14:07 >>>故障排除日志:删除未同步下发订单成功2505151914000015009057
2025-05-15 19:14:07 >>>故障排除日志:终端同步成功后剩余订单列表
2025-05-15 19:14:24>>>cash read=0A
2025-05-15 19:14:25>>>cash read=3E
===19:16:46===
2025-05-15 19:16:36 >>>回调事件[910,devices/TL2544]
2025-05-15 19:16:36 >>>故障排除日志:上一MQTT订单号缓存列表为2505151914000015009057
2025-05-15 19:16:36 >>>故障排除日志:终端未同步成功订单列表
2025-05-15 19:16:36 开始打印,排队:23,票券:2505151916316375609701,订单:2505151916310063348553,[2025-05-15 19:16:36支付宝支付12元]
2025-05-15 19:16:38 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2505151916316375609701","queue_number":23,"trade_uid":"2505151916310063348553"}]}
2025-05-15 19:16:38 >>>故障排除日志:删除未同步下发订单成功2505151916310063348553
2025-05-15 19:16:38 >>>故障排除日志:终端同步成功后剩余订单列表
===19:21:46===
2025-05-15 19:20:56>>>cash read=0A
2025-05-15 19:20:57>>>cash read=3E
===20:01:46===
2025-05-15 20:01:41>>>cash read=0A
2025-05-15 20:01:42>>>cash read=3E
===20:26:46===
2025-05-15 20:26:08 >>>回调事件[910,devices/TL2544]
2025-05-15 20:26:08 >>>故障排除日志:上一MQTT订单号缓存列表为2505151916310063348553
2025-05-15 20:26:08 >>>故障排除日志:终端未同步成功订单列表
2025-05-15 20:26:08 开始打印,排队:24,票券:2505152026006722707901,订单:2505152026000066805095,[2025-05-15 20:26:08微信支付12元]
2025-05-15 20:26:10 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2505152026006722707901","queue_number":24,"trade_uid":"2505152026000066805095"}]}
2025-05-15 20:26:10 >>>故障排除日志:删除未同步下发订单成功2505152026000066805095
2025-05-15 20:26:10 >>>故障排除日志:终端同步成功后剩余订单列表
===20:37:46===
2025-05-15 20:37:20 >>>回调事件[910,devices/TL2544]
2025-05-15 20:37:20 >>>故障排除日志:上一MQTT订单号缓存列表为2505152026000066805095
2025-05-15 20:37:20 >>>故障排除日志:终端未同步成功订单列表
2025-05-15 20:37:20 开始打印,排队:25,票券:2505152037109159605201,订单:2505152037100091142782,[2025-05-15 20:37:20微信支付12元]
2025-05-15 20:37:22 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2505152037109159605201","queue_number":25,"trade_uid":"2505152037100091142782"}]}
2025-05-15 20:37:22 >>>故障排除日志:删除未同步下发订单成功2505152037100091142782
2025-05-15 20:37:23 >>>故障排除日志:终端同步成功后剩余订单列表
===20:42:47===
2025-05-15 20:42:26>>>cash read=0A
2025-05-15 20:42:27>>>cash read=3E
===20:57:47===
2025-05-15 20:57:00>>>cash read=0A
2025-05-15 20:57:02>>>cash read=3E