TLClient_JSSCOM_LuatOS-Air_V4010_RDA8910_RFTTS_0xe0000,2.6.7,869701072502621,05978509565213,
poweron reason:0
===09:57:36===
2025-03-05 09:57:35 >>>剩余flash空间=1682000,占用RAM为628.5234375
2025-03-05 09:57:35 >>>回调异常:911,initSys,30000,nil
===09:58:36===
上一时间戳为1740966787
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":7,"product_detail":"","time_limit_status":"0","begin_minute":"00","product_uid":"12711098232278728077","use_timer":1,"old_price":"15","end_hour":"23","sale_price":"15","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"剪发（男女不限）"},{"time_limit_date":"","ticket_category":"0","expiry_date":7,"product_detail":"","time_limit_status":"0","begin_minute":"00","product_uid":"12711098232277578585","use_timer":1,"old_price":"50","end_hour":"23","sale_price":"50","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"染发"},{"time_limit_date":"","ticket_category":"0","expiry_date":7,"product_detail":"","time_limit_status":"0","begin_minute":"00","product_uid":"12711098232277578602","use_timer":1,"old_price":"70","end_hour":"23","sale_price":"70","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"染发"},{"time_limit_date":"","ticket_category":"0","expiry_date":7,"product_detail":"","time_limit_status":"0","begin_minute":"00","product_uid":"12711098232278119189","use_timer":1,"old_price":"90","end_hour":"23","sale_price":"90","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"染色"},{"time_limit_date":"","ticket_category":"0","expiry_date":7,"product_detail":"","time_limit_status":"0","begin_minute":"00","product_uid":"12711098232278772970","use_timer":1,"old_price":"128","end_hour":"23","sale_price":"128","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"烫发"}]
打印门店标题设置为托尼快剪
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:02168****8b0a1
纸币器设置接收纸币范围为36
欢迎使用天羚自助售票系统[2.6.7]
定时检测未同步订单启用
2025-03-05 09:57:43>>>cash write=30
2025-03-05 09:57:43>>>cash write=02
2025-03-05 09:57:43>>>cash write=3E
2025-03-05 09:57:43>>>cash read=808F808F808F808F808F808F808F808F
系统时间初始化成功，时间为20253595743
2025-03-05 09:57:44>>>cash write=02
2025-03-05 09:57:45 >>>剩余flash空间=1679000,占用RAM为644.498046875
2025-03-05 09:57:45 >>>回调事件:910,subscribe,10000,连接服务器成功
2025-03-05 09:57:45 >>>剩余flash空间=1679000,占用RAM为606.92578125
2025-03-05 09:57:45 >>>回调事件:911,GetMqttQueue,500,暂无需要下发的信息，请求类型：ticket
2025-03-05 09:57:47>>>cash write=0C
2025-03-05 09:57:47>>>cash read=3E
流量卡还有147天过期
2025-03-05 09:57:55 >>>当前Ram内存为624.3486328125
===09:59:36===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===10:09:37===
2025-03-05 10:08:47 >>>回调事件[910,devices/S3505]
当日首次设置时间戳true为1741140527
2025-03-05 10:08:47 >>>故障排除日志:上一MQTT订单号缓存列表为25030320372865186454
2025-03-05 10:08:47 >>>故障排除日志:终端未同步成功订单列表
2025-03-05 10:08:47 开始打印,排队:1,票券:2503051008399726973901,订单:25030510083997263874,[2025-03-05 10:08:46微信支付15元]
2025-03-05 10:08:49 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503051008399726973901","queue_number":1,"trade_uid":"25030510083997263874"}]}
2025-03-05 10:08:49 >>>故障排除日志:删除未同步下发订单成功25030510083997263874
2025-03-05 10:08:49 >>>故障排除日志:终端同步成功后剩余订单列表
===12:40:37===
2025-03-05 12:39:47 >>>回调事件[910,devices/S3505]
2025-03-05 12:39:47 >>>故障排除日志:上一MQTT订单号缓存列表为25030510083997263874
2025-03-05 12:39:47 >>>故障排除日志:终端未同步成功订单列表
2025-03-05 12:39:47 开始打印,排队:2,票券:2503051239370343256701,订单:25030512393703427069,[2025-03-05 12:39:46微信支付15元]
2025-03-05 12:39:49 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503051239370343256701","queue_number":2,"trade_uid":"25030512393703427069"}]}
2025-03-05 12:39:49 >>>故障排除日志:删除未同步下发订单成功25030512393703427069
2025-03-05 12:39:49 >>>故障排除日志:终端同步成功后剩余订单列表
===12:44:37===
2025-03-05 12:43:47 >>>回调事件[910,devices/S3505]
2025-03-05 12:43:47 >>>故障排除日志:上一MQTT订单号缓存列表为25030512393703427069
2025-03-05 12:43:47 >>>故障排除日志:终端未同步成功订单列表
2025-03-05 12:43:47 开始打印,排队:3,票券:2503051243400415125601,订单:25030512434004146626,[2025-03-05 12:43:47微信支付15元]
2025-03-05 12:43:49 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503051243400415125601","queue_number":3,"trade_uid":"25030512434004146626"}]}
2025-03-05 12:43:49 >>>故障排除日志:删除未同步下发订单成功25030512434004146626
2025-03-05 12:43:49 >>>故障排除日志:终端同步成功后剩余订单列表
===13:03:38===
2025-03-05 13:02:42 >>>回调事件[910,devices/S3505]
2025-03-05 13:02:43 >>>故障排除日志:上一MQTT订单号缓存列表为25030512434004146626
2025-03-05 13:02:43 >>>故障排除日志:终端未同步成功订单列表
2025-03-05 13:02:43 开始打印,排队:4,票券:2503051302368448861901,订单:25030513023684484098,[2025-03-05 13:02:42微信支付15元]
2025-03-05 13:02:45 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503051302368448861901","queue_number":4,"trade_uid":"25030513023684484098"}]}
2025-03-05 13:02:45 >>>故障排除日志:删除未同步下发订单成功25030513023684484098
2025-03-05 13:02:45 >>>故障排除日志:终端同步成功后剩余订单列表
===14:03:38===
2025-03-05 14:03:07 >>>回调事件[910,devices/S3505]
2025-03-05 14:03:07 >>>故障排除日志:上一MQTT订单号缓存列表为25030513023684484098
2025-03-05 14:03:07 >>>故障排除日志:终端未同步成功订单列表
2025-03-05 14:03:07 开始打印,排队:5,票券:2503051402590454221301,订单:25030514025904537335,[2025-03-05 14:03:06微信支付15元]
2025-03-05 14:03:09 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503051402590454221301","queue_number":5,"trade_uid":"25030514025904537335"}]}
2025-03-05 14:03:09 >>>故障排除日志:删除未同步下发订单成功25030514025904537335
2025-03-05 14:03:09 >>>故障排除日志:终端同步成功后剩余订单列表
===14:27:38===
2025-03-05 14:26:57 >>>回调事件[910,devices/S3505]
2025-03-05 14:26:57 >>>故障排除日志:上一MQTT订单号缓存列表为25030514025904537335
2025-03-05 14:26:57 >>>故障排除日志:终端未同步成功订单列表
2025-03-05 14:26:57 开始打印,排队:6,票券:2503051426493696127201,订单:25030514264936956829,[2025-03-05 14:26:56微信支付15元]
2025-03-05 14:26:59 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503051426493696127201","queue_number":6,"trade_uid":"25030514264936956829"}]}
2025-03-05 14:26:59 >>>故障排除日志:删除未同步下发订单成功25030514264936956829
2025-03-05 14:26:59 >>>故障排除日志:终端同步成功后剩余订单列表
===14:40:38===
2025-03-05 14:39:43 >>>回调事件[910,devices/S3505]
2025-03-05 14:39:43 >>>故障排除日志:上一MQTT订单号缓存列表为25030514264936956829
2025-03-05 14:39:43 >>>故障排除日志:终端未同步成功订单列表
2025-03-05 14:39:43 开始打印,排队:7,票券:2503051439381584493701,订单:25030514393815840462,[2025-03-05 14:39:43微信支付15元]
2025-03-05 14:39:45 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503051439381584493701","queue_number":7,"trade_uid":"25030514393815840462"}]}
2025-03-05 14:39:45 >>>故障排除日志:删除未同步下发订单成功25030514393815840462
2025-03-05 14:39:45 >>>故障排除日志:终端同步成功后剩余订单列表
===14:43:39===
2025-03-05 14:42:46>>>cash read=0A
2025-03-05 14:42:48>>>cash read=3E
===14:46:39===
2025-03-05 14:45:56 >>>回调事件[910,devices/S3505]
2025-03-05 14:45:56 >>>故障排除日志:上一MQTT订单号缓存列表为25030514393815840462
2025-03-05 14:45:56 >>>故障排除日志:终端未同步成功订单列表
2025-03-05 14:45:56 开始打印,排队:8,票券:2503051445497356307401,订单:25030514454973558413,[2025-03-05 14:45:56微信支付15元]
2025-03-05 14:45:58 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503051445497356307401","queue_number":8,"trade_uid":"25030514454973558413"}]}
2025-03-05 14:45:58 >>>故障排除日志:删除未同步下发订单成功25030514454973558413
2025-03-05 14:45:58 >>>故障排除日志:终端同步成功后剩余订单列表
2025-03-05 14:46:21 >>>回调事件[910,devices/S3505]
2025-03-05 14:46:21 >>>故障排除日志:上一MQTT订单号缓存列表为25030514454973558413
2025-03-05 14:46:21 >>>故障排除日志:终端未同步成功订单列表
2025-03-05 14:46:21 开始打印,排队:9,票券:2503051446160203177801,订单:25030514461602026986,[2025-03-05 14:46:21支付宝支付15元]
2025-03-05 14:46:23 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503051446160203177801","queue_number":9,"trade_uid":"25030514461602026986"}]}
2025-03-05 14:46:23 >>>故障排除日志:删除未同步下发订单成功25030514461602026986
2025-03-05 14:46:23 >>>故障排除日志:终端同步成功后剩余订单列表
===16:11:39===
2025-03-05 16:11:16 >>>回调事件[910,devices/S3505]
2025-03-05 16:11:16 >>>故障排除日志:上一MQTT订单号缓存列表为25030514461602026986
2025-03-05 16:11:16 >>>故障排除日志:终端未同步成功订单列表
2025-03-05 16:11:16 开始打印,排队:10,票券:2503051611112473579201,订单:25030516111124729531,[2025-03-05 16:11:16支付宝支付15元]
2025-03-05 16:11:18 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503051611112473579201","queue_number":10,"trade_uid":"25030516111124729531"}]}
2025-03-05 16:11:18 >>>故障排除日志:删除未同步下发订单成功25030516111124729531
2025-03-05 16:11:18 >>>故障排除日志:终端同步成功后剩余订单列表
===16:18:39===
2025-03-05 16:18:12 >>>回调事件[910,devices/S3505]
2025-03-05 16:18:12 >>>故障排除日志:上一MQTT订单号缓存列表为25030516111124729531
2025-03-05 16:18:13 >>>故障排除日志:终端未同步成功订单列表
2025-03-05 16:18:13 开始打印,排队:11,票券:2503051618046189337401,订单:25030516180461888654,[2025-03-05 16:18:11微信支付15元]
2025-03-05 16:18:14 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503051618046189337401","queue_number":11,"trade_uid":"25030516180461888654"}]}
2025-03-05 16:18:14 >>>故障排除日志:删除未同步下发订单成功25030516180461888654
2025-03-05 16:18:15 >>>故障排除日志:终端同步成功后剩余订单列表
===16:19:40===
2025-03-05 16:18:45 >>>回调事件[910,devices/S3505]
2025-03-05 16:18:45 >>>故障排除日志:上一MQTT订单号缓存列表为25030516180461888654
2025-03-05 16:18:45 >>>故障排除日志:终端未同步成功订单列表
2025-03-05 16:18:45 开始打印,排队:12,票券:2503051618395853279101,订单:25030516183958528349,[2025-03-05 16:18:45微信支付15元]
2025-03-05 16:18:47 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503051618395853279101","queue_number":12,"trade_uid":"25030516183958528349"}]}
2025-03-05 16:18:47 >>>故障排除日志:删除未同步下发订单成功25030516183958528349
2025-03-05 16:18:47 >>>故障排除日志:终端同步成功后剩余订单列表
===16:51:40===
2025-03-05 16:50:53 >>>回调事件[910,devices/S3505]
2025-03-05 16:50:53 >>>故障排除日志:上一MQTT订单号缓存列表为25030516183958528349
2025-03-05 16:50:53 >>>故障排除日志:终端未同步成功订单列表
2025-03-05 16:50:54 开始打印,排队:13,票券:2503051650446925364701,订单:25030516504469249846,[2025-03-05 16:50:51微信支付15元]
2025-03-05 16:50:55 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503051650446925364701","queue_number":13,"trade_uid":"25030516504469249846"}]}
2025-03-05 16:50:56 >>>故障排除日志:删除未同步下发订单成功25030516504469249846
2025-03-05 16:50:56 >>>故障排除日志:终端同步成功后剩余订单列表
===17:38:40===
2025-03-05 17:37:40 >>>回调事件[910,devices/S3505]
2025-03-05 17:37:40 >>>故障排除日志:上一MQTT订单号缓存列表为25030516504469249846
2025-03-05 17:37:40 >>>故障排除日志:终端未同步成功订单列表
2025-03-05 17:37:40 开始打印,排队:14,票券:2503051737318483185401,订单:25030517373184826421,[2025-03-05 17:37:38支付宝支付15元]
2025-03-05 17:37:42 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503051737318483185401","queue_number":14,"trade_uid":"25030517373184826421"}]}
2025-03-05 17:37:42 >>>故障排除日志:删除未同步下发订单成功25030517373184826421
2025-03-05 17:37:42 >>>故障排除日志:终端同步成功后剩余订单列表
===17:54:40===
2025-03-05 17:54:14 >>>回调事件[910,devices/S3505]
2025-03-05 17:54:14 >>>故障排除日志:上一MQTT订单号缓存列表为25030517373184826421
2025-03-05 17:54:14 >>>故障排除日志:终端未同步成功订单列表
2025-03-05 17:54:14 开始打印,排队:15,票券:2503051754082009902901,订单:25030517540820094484,[2025-03-05 17:54:13微信支付15元]
2025-03-05 17:54:16 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503051754082009902901","queue_number":15,"trade_uid":"25030517540820094484"}]}
2025-03-05 17:54:16 >>>故障排除日志:删除未同步下发订单成功25030517540820094484
2025-03-05 17:54:16 >>>故障排除日志:终端同步成功后剩余订单列表
===18:07:41===
2025-03-05 18:06:47 >>>回调事件[910,devices/S3505]
2025-03-05 18:06:47 >>>故障排除日志:上一MQTT订单号缓存列表为25030517540820094484
2025-03-05 18:06:47 >>>故障排除日志:终端未同步成功订单列表
2025-03-05 18:06:47 开始打印,排队:16,票券:2503051806392408103901,订单:25030518063924076136,[2025-03-05 18:06:46微信支付15元]
2025-03-05 18:06:48 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503051806392408103901","queue_number":16,"trade_uid":"25030518063924076136"}]}
2025-03-05 18:06:49 >>>故障排除日志:删除未同步下发订单成功25030518063924076136
2025-03-05 18:06:49 >>>故障排除日志:终端同步成功后剩余订单列表
===18:41:41===
2025-03-05 18:41:24 >>>回调事件[910,devices/S3505]
2025-03-05 18:41:24 >>>故障排除日志:上一MQTT订单号缓存列表为25030518063924076136
2025-03-05 18:41:24 >>>故障排除日志:终端未同步成功订单列表
2025-03-05 18:41:24 开始打印,排队:17,票券:2503051841159497839401,订单:25030518411594974078,[2025-03-05 18:41:23微信支付15元]
2025-03-05 18:41:26 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503051841159497839401","queue_number":17,"trade_uid":"25030518411594974078"}]}
2025-03-05 18:41:26 >>>故障排除日志:删除未同步下发订单成功25030518411594974078
2025-03-05 18:41:26 >>>故障排除日志:终端同步成功后剩余订单列表
===18:42:41===
2025-03-05 18:41:48 >>>回调事件[910,devices/S3505]
2025-03-05 18:41:48 >>>故障排除日志:上一MQTT订单号缓存列表为25030518411594974078
2025-03-05 18:41:48 >>>故障排除日志:终端未同步成功订单列表
2025-03-05 18:41:48 开始打印,排队:18,票券:2503051841424841723201,订单:25030518414248410712,[2025-03-05 18:41:48微信支付15元]
2025-03-05 18:41:50 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503051841424841723201","queue_number":18,"trade_uid":"25030518414248410712"}]}
2025-03-05 18:41:50 >>>故障排除日志:删除未同步下发订单成功25030518414248410712
2025-03-05 18:41:50 >>>故障排除日志:终端同步成功后剩余订单列表
===19:09:41===
2025-03-05 19:08:41>>>cash read=0A
2025-03-05 19:08:42>>>cash read=3E
===19:39:41===
2025-03-05 19:39:32 >>>回调事件[910,devices/S3505]
2025-03-05 19:39:32 >>>故障排除日志:上一MQTT订单号缓存列表为25030518414248410712
2025-03-05 19:39:32 >>>故障排除日志:终端未同步成功订单列表
2025-03-05 19:39:32 开始打印,排队:19,票券:2503051939236287786701,订单:25030519392362873031,[2025-03-05 19:39:31微信支付15元]
2025-03-05 19:39:34 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503051939236287786701","queue_number":19,"trade_uid":"25030519392362873031"}]}
2025-03-05 19:39:34 >>>故障排除日志:删除未同步下发订单成功25030519392362873031
2025-03-05 19:39:34 >>>故障排除日志:终端同步成功后剩余订单列表
===20:33:42===
2025-03-05 20:33:03 >>>回调事件[910,devices/S3505]
2025-03-05 20:33:04 >>>故障排除日志:上一MQTT订单号缓存列表为25030519392362873031
2025-03-05 20:33:04 >>>故障排除日志:终端未同步成功订单列表
2025-03-05 20:33:04 开始打印,排队:20,票券:2503052032579737252501,订单:25030520325797369164,[2025-03-05 20:33:03微信支付15元]
2025-03-05 20:33:05 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503052032579737252501","queue_number":20,"trade_uid":"25030520325797369164"}]}
2025-03-05 20:33:05 >>>故障排除日志:删除未同步下发订单成功25030520325797369164
2025-03-05 20:33:06 >>>故障排除日志:终端同步成功后剩余订单列表
===20:38:42===
2025-03-05 20:37:56 >>>回调事件[910,devices/S3505]
2025-03-05 20:37:57 >>>故障排除日志:上一MQTT订单号缓存列表为25030520325797369164
2025-03-05 20:37:57 >>>故障排除日志:终端未同步成功订单列表
2025-03-05 20:37:57 开始打印,排队:21,票券:2503052037516382531501,订单:25030520375163818431,[2025-03-05 20:37:56微信支付15元]
2025-03-05 20:37:58 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503052037516382531501","queue_number":21,"trade_uid":"25030520375163818431"}]}
2025-03-05 20:37:58 >>>故障排除日志:删除未同步下发订单成功25030520375163818431
2025-03-05 20:37:59 >>>故障排除日志:终端同步成功后剩余订单列表
===20:45:42===
2025-03-05 20:44:49 >>>回调事件[910,devices/S3505]
2025-03-05 20:44:49 >>>故障排除日志:上一MQTT订单号缓存列表为25030520375163818431
2025-03-05 20:44:49 >>>故障排除日志:终端未同步成功订单列表
2025-03-05 20:44:49 开始打印,排队:22,票券:2503052044387953621701,订单:25030520443879532475,[2025-03-05 20:44:48微信支付15元]
2025-03-05 20:44:51 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2503052044387953621701","queue_number":22,"trade_uid":"25030520443879532475"}]}
2025-03-05 20:44:51 >>>故障排除日志:删除未同步下发订单成功25030520443879532475
2025-03-05 20:44:51 >>>故障排除日志:终端同步成功后剩余订单列表
===20:50:42===
2025-03-05 20:50:19>>>cash read=29
2025-03-05 20:50:19 >>>回调事件130,cash_status,20029,退钞中
2025-03-05 20:50:19>>>cash read=2F29
2025-03-05 20:50:22>>>cash read=00
2025-03-05 20:50:23>>>cash read=818F42
2025-03-05 20:50:23>>>cash write=02
2025-03-05 20:50:23 >>>回调事件130,cash_status,10022,进钞中...read money=10
2025-03-05 20:50:23>>>cash read=10
2025-03-05 20:50:23 >>>回调事件130,10,10023,finish Money=10,进钞完成
2025-03-05 20:50:24>>>cash write=0C
2025-03-05 20:50:24>>>cash read=00
2025-03-05 20:50:25>>>cash read=818F41
2025-03-05 20:50:25>>>cash write=02
2025-03-05 20:50:25 >>>回调事件130,cash_status,10022,进钞中...read money=5
2025-03-05 20:50:25>>>cash read=10
2025-03-05 20:50:25 >>>回调事件130,5,10023,finish Money=5,进钞完成
2025-03-05 20:50:25 当前产品价格15元，投币15元，打印小票中...
2025-03-05 20:50:25 >>>开始打印,排队号为23,订单号为2503052050230023505668
2025-03-05 20:50:25>>>订单2503052050230023505668写入成功,剩余空间为1679500,占用RAM为612.5263671875
删除未同步订单2503052050230023505668
2025-03-05 20:50:27>>>订单2503052050230023505668删除成功,剩余空间为1680000,占用RAM为624.4599609375
检测订单目录中>>>
无未同步订单>>>
2025-03-05 20:50:27 >>>当前Ram内存为596.107421875
定时检测未同步订单启用
2025-03-05 20:50:28>>>cash write=0C
2025-03-05 20:50:29>>>cash read=3E
===20:51:42===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===20:59:43===
2025-03-05 20:59:10>>>cash read=0A
2025-03-05 20:59:11>>>cash read=3E