TLClient_JSSCOM_LuatOS-Air_V4010_RDA8910_RFTTS_0xe0000,2.8.0,863482065011096,45397943760807,
poweron reason:0
===11:45:13===
2026-03-13 10:42:08>>>cash read=0A
2026-03-13 10:42:09>>>cash read=3E
2026-03-13 10:54:14 >>>回调事件[910,devices/S3249]
2026-03-13 10:54:14 >>>故障排除日志:上一MQTT订单号缓存列表为2603131002220077084994
2026-03-13 10:54:14 >>>故障排除日志:终端未同步成功订单列表
2026-03-13 10:54:14 开始打印,排队:15,票券:2603131054045658118501,订单:2603131054040054595329,[2026-03-13 10:54:14微信支付13元]
2026-03-13 10:54:16 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2603131054045658118501","queue_number":15,"trade_uid":"2603131054040054595329"}]}
2026-03-13 10:54:16 >>>故障排除日志:删除未同步下发订单成功2603131054040054595329
2026-03-13 10:54:16 >>>故障排除日志:终端同步成功后剩余订单列表
2026-03-13 11:07:16 >>>回调事件[910,devices/S3249]
2026-03-13 11:07:16 >>>故障排除日志:上一MQTT订单号缓存列表为2603131054040054595329
2026-03-13 11:07:16 >>>故障排除日志:终端未同步成功订单列表
2026-03-13 11:07:16 开始打印,排队:16,票券:2603131107095107687801,订单:2603131107090049175013,[2026-03-13 11:07:16微信支付20元]
2026-03-13 11:07:18 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2603131107095107687801","queue_number":16,"trade_uid":"2603131107090049175013"}]}
2026-03-13 11:07:18 >>>故障排除日志:删除未同步下发订单成功2603131107090049175013
2026-03-13 11:07:18 >>>故障排除日志:终端同步成功后剩余订单列表
2026-03-13 11:09:45>>>cash read=0A
2026-03-13 11:09:47>>>cash read=3E
2026-03-13 11:58:24 >>>回调事件[910,devices/S3249]
2026-03-13 11:58:24 >>>故障排除日志:上一MQTT订单号缓存列表为2603131107090049175013
2026-03-13 11:58:24 >>>故障排除日志:终端未同步成功订单列表
2026-03-13 11:58:24 开始打印,排队:17,票券:2603131158161419418501,订单:2603131158160012225434,[2026-03-13 11:58:24微信支付20元]
2026-03-13 11:58:27 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2603131158161419418501","queue_number":17,"trade_uid":"2603131158160012225434"}]}
2026-03-13 11:58:27 >>>故障排除日志:删除未同步下发订单成功2603131158160012225434
2026-03-13 11:58:27 >>>故障排除日志:终端同步成功后剩余订单列表
2026-03-13 12:46:13 >>>回调事件[910,devices/S3249]
2026-03-13 12:46:13 >>>故障排除日志:上一MQTT订单号缓存列表为2603131158160012225434
2026-03-13 12:46:13 >>>故障排除日志:终端未同步成功订单列表
2026-03-13 12:46:13 开始打印,排队:18,票券:2603131246066664396101,订单:2603131246060064651419,[2026-03-13 12:46:13微信支付20元]
2026-03-13 12:46:15 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2603131246066664396101","queue_number":18,"trade_uid":"2603131246060064651419"}]}
2026-03-13 12:46:15 >>>故障排除日志:删除未同步下发订单成功2603131246060064651419
2026-03-13 12:46:16 >>>故障排除日志:终端同步成功后剩余订单列表
2026-03-13 13:00:42 >>>回调事件[910,devices/S3249]
2026-03-13 13:00:42 >>>故障排除日志:上一MQTT订单号缓存列表为2603131246060064651419
2026-03-13 13:00:42 >>>故障排除日志:终端未同步成功订单列表
2026-03-13 13:00:42 开始打印,排队:19,票券:2603131300343536275801,订单:2603131300340033375617,[2026-03-13 13:00:42微信支付20元]
2026-03-13 13:00:44 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2603131300343536275801","queue_number":19,"trade_uid":"2603131300340033375617"}]}
2026-03-13 13:00:44 >>>故障排除日志:删除未同步下发订单成功2603131300340033375617
2026-03-13 13:00:44 >>>故障排除日志:终端同步成功后剩余订单列表
2026-03-13 13:48:53 >>>回调事件[910,devices/S3249]
2026-03-13 13:48:53 >>>故障排除日志:上一MQTT订单号缓存列表为2603131300340033375617
2026-03-13 13:48:53 >>>故障排除日志:终端未同步成功订单列表
2026-03-13 13:48:54 开始打印,排队:20,票券:2603131348434958798201,订单:2603131348430047694613,[2026-03-13 13:48:52微信支付20元]
2026-03-13 13:48:54 开始打印,排队:21,票券:2603131348434959335802,订单:2603131348430047694613,[2026-03-13 13:48:52微信支付20元]
2026-03-13 13:48:54 开始打印,排队:22,票券:2603131348434959478603,订单:2603131348430047694613,[2026-03-13 13:48:52微信支付20元]
2026-03-13 13:48:59 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2603131348434958798201","queue_number":20,"trade_uid":"2603131348430047694613"},{"ticket_no":"2603131348434959335802","queue_number":21,"trade_uid":"2603131348430047694613"},{"ticket_no":"2603131348434959478603","queue_number":22,"trade_uid":"2603131348430047694613"}]}
2026-03-13 13:48:59 >>>故障排除日志:删除未同步下发订单成功2603131348430047694613
2026-03-13 16:15:12>>>cash read=0A
TCP://log.tl-self.com:9807@16_11:42:05:connect fail
===12:35:21===
2026-03-16 12:34:41 >>>回调事件[910,devices/S3249]
2026-03-16 12:34:41 >>>故障排除日志:上一MQTT订单号缓存列表为2603160918080005391735
2026-03-16 12:34:41 >>>故障排除日志:终端未同步成功订单列表
2026-03-16 12:34:41 开始打印,排队:12,票券:2603161234322067662401,订单:2603161234320018780457,[2026-03-16 12:34:39微信支付13元]
2026-03-16 12:34:43 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2603161234322067662401","queue_number":12,"trade_uid":"2603161234320018780457"}]}
2026-03-16 12:34:43 >>>故障排除日志:删除未同步下发订单成功2603161234320018780457
2026-03-16 12:34:43 >>>故障排除日志:终端同步成功后剩余订单列表
2026-03-16 12:34:48 >>>回调事件[910,devices/S3249]
2026-03-16 12:34:48 >>>故障排除日志:上一MQTT订单号缓存列表为2603161234320018780457
2026-03-16 12:34:48 >>>故障排除日志:终端未同步成功订单列表
2026-03-16 12:34:48 开始打印,排队:13,票券:2603161234419112086801,订单:2603161234410088188563,[2026-03-16 12:34:47微信支付20元]
2026-03-16 12:34:50 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2603161234419112086801","queue_number":13,"trade_uid":"2603161234410088188563"}]}
2026-03-16 12:34:50 >>>故障排除日志:删除未同步下发订单成功2603161234410088188563
2026-03-16 12:34:50 >>>故障排除日志:终端同步成功后剩余订单列表
===12:56:22===
2026-03-16 12:56:07 >>>回调事件[910,devices/S3249]
2026-03-16 12:56:07 >>>故障排除日志:上一MQTT订单号缓存列表为2603161234410088188563
2026-03-16 12:56:07 >>>故障排除日志:终端未同步成功订单列表
2026-03-16 12:56:07 开始打印,排队:14,票券:2603161256011943737201,订单:2603161256010017724227,[2026-03-16 12:56:06微信支付20元]
2026-03-16 12:56:09 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2603161256011943737201","queue_number":14,"trade_uid":"2603161256010017724227"}]}
2026-03-16 12:56:09 >>>故障排除日志:删除未同步下发订单成功2603161256010017724227
2026-03-16 12:56:09 >>>故障排除日志:终端同步成功后剩余订单列表
===13:12:21===
2026-03-16 13:12:17>>>cash read=29
2026-03-16 13:12:17 >>>回调事件130,cash_status,20029,退钞中
2026-03-16 13:12:18>>>cash read=00
2026-03-16 13:12:19>>>cash read=818F42
2026-03-16 13:12:19>>>cash write=02
2026-03-16 13:12:19 >>>回调事件130,cash_status,10022,进钞中...read money=10
2026-03-16 13:12:20>>>cash read=10
2026-03-16 13:12:20 >>>回调事件130,10,10023,finish Money=10,进钞完成
===13:13:22===
2026-03-16 13:12:21>>>cash write=0C
2026-03-16 13:12:21>>>cash read=00
2026-03-16 13:12:22>>>cash read=29
2026-03-16 13:12:22 >>>回调事件130,cash_status,20029,退钞中
2026-03-16 13:12:23>>>cash read=2F29
2026-03-16 13:12:24>>>cash read=00
2026-03-16 13:12:25>>>cash read=292F29
2026-03-16 13:12:25 >>>回调事件130,cash_status,20029,退钞中
2026-03-16 13:12:27>>>cash read=3E
2026-03-16 13:12:29>>>cash read=29
2026-03-16 13:12:29 >>>回调事件130,cash_status,20029,退钞中
2026-03-16 13:12:29>>>cash read=2F29
2026-03-16 13:12:30>>>cash read=3E
2026-03-16 13:12:33>>>cash read=00
2026-03-16 13:12:34>>>cash read=2F29
2026-03-16 13:12:35>>>cash read=3E
2026-03-16 13:12:36>>>cash read=00
2026-03-16 13:12:37>>>cash read=292F29
2026-03-16 13:12:37 >>>回调事件130,cash_status,20029,退钞中
2026-03-16 13:12:38>>>cash read=3E
2026-03-16 13:12:40>>>cash read=00
2026-03-16 13:12:40>>>cash read=2F29
2026-03-16 13:12:42>>>cash read=3E
2026-03-16 13:12:45>>>cash read=00
2026-03-16 13:12:46>>>cash read=818F40
2026-03-16 13:12:46>>>cash write=02
2026-03-16 13:12:46 >>>回调事件130,cash_status,10022,进钞中...read money=1
2026-03-16 13:12:46>>>cash read=10
2026-03-16 13:12:46 >>>回调事件130,1,10023,finish Money=1,进钞完成
2026-03-16 13:12:47>>>cash write=0C
2026-03-16 13:12:48>>>cash read=3E
2026-03-16 13:12:51>>>cash read=00
2026-03-16 13:12:52>>>cash read=29
2026-03-16 13:12:52 >>>回调事件130,cash_status,20029,退钞中
2026-03-16 13:12:52>>>cash read=2F29
2026-03-16 13:12:54>>>cash read=3E
2026-03-16 13:12:55>>>cash read=00
2026-03-16 13:12:56>>>cash read=29
2026-03-16 13:12:56 >>>回调事件130,cash_status,20029,退钞中
2026-03-16 13:12:57>>>cash read=22
2026-03-16 13:12:57 >>>回调事件130,cash_status,30022,卡钞
2026-03-16 13:12:59>>>cash read=3E
2026-03-16 13:13:01>>>cash read=00
2026-03-16 13:13:02>>>cash read=29
2026-03-16 13:13:02 >>>回调事件130,cash_status,20029,退钞中
2026-03-16 13:13:02>>>cash read=2F292F
2026-03-16 13:13:03>>>cash read=3E
2026-03-16 13:13:04>>>cash read=29
2026-03-16 13:13:04 >>>回调事件130,cash_status,20029,退钞中
2026-03-16 13:13:05>>>cash read=00
2026-03-16 13:13:06>>>cash read=2F29
2026-03-16 13:13:08>>>cash read=3E
2026-03-16 13:13:09>>>cash read=00
2026-03-16 13:13:09>>>cash read=818F40
2026-03-16 13:13:09>>>cash write=02
2026-03-16 13:13:09 >>>回调事件130,cash_status,10022,进钞中...read money=1
2026-03-16 13:13:10>>>cash read=10
2026-03-16 13:13:10 >>>回调事件130,1,10023,finish Money=1,进钞完成
2026-03-16 13:13:11>>>cash write=0C
2026-03-16 13:13:11>>>cash read=3E
2026-03-16 13:13:14>>>cash read=00
2026-03-16 13:13:15>>>cash read=818F40
2026-03-16 13:13:15>>>cash write=02
2026-03-16 13:13:15 >>>回调事件130,cash_status,10022,进钞中...read money=1
2026-03-16 13:13:16>>>cash read=10
2026-03-16 13:13:16 >>>回调事件130,1,10023,finish Money=1,进钞完成
2026-03-16 13:13:16 当前产品价格13元，投币13元，打印小票中...
2026-03-16 13:13:16 >>>开始打印,排队号为15,订单号为2603161313100023249041
2026-03-16 13:13:16>>>订单2603161313100023249041写入成功,剩余空间为1677000,占用RAM为637.947265625
删除未同步订单2603161313100023249041
2026-03-16 13:13:18>>>订单2603161313100023249041删除成功,剩余空间为1678000,占用RAM为643.4296875
检测订单目录中>>>
无未同步订单>>>
2026-03-16 13:13:18 >>>当前Ram内存为610.7333984375
定时检测未同步订单启用
2026-03-16 13:13:19>>>cash write=0C
2026-03-16 13:13:19>>>cash read=3E
===13:14:22===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===13:22:23===
2026-03-16 13:22:20 >>>回调事件[910,devices/S3249]
2026-03-16 13:22:20 >>>故障排除日志:上一MQTT订单号缓存列表为2603161256010017724227
2026-03-16 13:22:20 >>>故障排除日志:终端未同步成功订单列表
2026-03-16 13:22:20 开始打印,排队:16,票券:2603161322131336861401,订单:2603161322130011377031,[2026-03-16 13:22:19微信支付13元]
===13:40:24===
2026-03-16 13:39:31>>>cash read=0A
2026-03-16 13:39:32>>>cash read=3E
===14:42:24===
2026-03-16 14:41:25 >>>回调事件[910,devices/S3249]
2026-03-16 14:41:25 >>>故障排除日志:上一MQTT订单号缓存列表为2603161322130011377031
2026-03-16 14:41:25 >>>故障排除日志:终端未同步成功订单列表
2026-03-16 14:41:25 开始打印,排队:17,票券:2603161441150935787401,订单:2603161441150007528342,[2026-03-16 14:41:23微信支付13元]
2026-03-16 14:41:27 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2603161441150935787401","queue_number":17,"trade_uid":"2603161441150007528342"}]}
2026-03-16 14:41:27 >>>故障排除日志:删除未同步下发订单成功2603161441150007528342
2026-03-16 14:41:28 >>>故障排除日志:终端同步成功后剩余订单列表
===15:46:25===
2026-03-16 15:46:08 >>>回调事件[910,devices/S3249]
2026-03-16 15:46:08 >>>故障排除日志:上一MQTT订单号缓存列表为2603161441150007528342
2026-03-16 15:46:08 >>>故障排除日志:终端未同步成功订单列表
2026-03-16 15:46:08 开始打印,排队:18,票券:2603161545586363221801,订单:2603161545580061706982,[2026-03-16 15:46:06微信支付13元]
2026-03-16 15:46:09 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2603161545586363221801","queue_number":18,"trade_uid":"2603161545580061706982"}]}
2026-03-16 15:46:10 >>>故障排除日志:删除未同步下发订单成功2603161545580061706982
2026-03-16 15:46:10 >>>故障排除日志:终端同步成功后剩余订单列表
===17:12:25===
2026-03-16 17:12:03 >>>回调事件[910,devices/S3249]
2026-03-16 17:12:03 >>>故障排除日志:上一MQTT订单号缓存列表为2603161545580061706982
2026-03-16 17:12:03 >>>故障排除日志:终端未同步成功订单列表
2026-03-16 17:12:03 开始打印,排队:19,票券:2603161711545202193801,订单:2603161711540049538716,[2026-03-16 17:12:02微信支付13元]
2026-03-16 17:12:05 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2603161711545202193801","queue_number":19,"trade_uid":"2603161711540049538716"}]}
2026-03-16 17:12:05 >>>故障排除日志:删除未同步下发订单成功2603161711540049538716
2026-03-16 17:12:06 >>>故障排除日志:终端同步成功后剩余订单列表
===17:35:26===
2026-03-16 17:34:47>>>cash read=00
2026-03-16 17:34:48>>>cash read=818F42
2026-03-16 17:34:48>>>cash write=02
2026-03-16 17:34:48 >>>回调事件130,cash_status,10022,进钞中...read money=10
2026-03-16 17:34:48>>>cash read=10
2026-03-16 17:34:48 >>>回调事件130,10,10023,finish Money=10,进钞完成
2026-03-16 17:34:49>>>cash write=0C
2026-03-16 17:34:50>>>cash read=3E
2026-03-16 17:34:51>>>cash read=00
2026-03-16 17:34:51>>>cash read=818F40
2026-03-16 17:34:51>>>cash write=02
2026-03-16 17:34:51 >>>回调事件130,cash_status,10022,进钞中...read money=1
2026-03-16 17:34:52>>>cash read=10
2026-03-16 17:34:52 >>>回调事件130,1,10023,finish Money=1,进钞完成
2026-03-16 17:34:53>>>cash write=0C
2026-03-16 17:34:53>>>cash read=3E
2026-03-16 17:34:55>>>cash read=00
2026-03-16 17:34:56>>>cash read=818F40
2026-03-16 17:34:56>>>cash write=02
2026-03-16 17:34:56 >>>回调事件130,cash_status,10022,进钞中...read money=1
2026-03-16 17:34:57>>>cash read=10
2026-03-16 17:34:57 >>>回调事件130,1,10023,finish Money=1,进钞完成
2026-03-16 17:34:58>>>cash write=0C
2026-03-16 17:34:58>>>cash read=3E
2026-03-16 17:35:00>>>cash read=00
2026-03-16 17:35:01>>>cash read=818F40
2026-03-16 17:35:01>>>cash write=02
2026-03-16 17:35:01 >>>回调事件130,cash_status,10022,进钞中...read money=1
2026-03-16 17:35:01>>>cash read=10
2026-03-16 17:35:01 >>>回调事件130,1,10023,finish Money=1,进钞完成
2026-03-16 17:35:01 当前产品价格13元，投币13元，打印小票中...
2026-03-16 17:35:01 >>>开始打印,排队号为20,订单号为2603161734570023249932
2026-03-16 17:35:01>>>订单2603161734570023249932写入成功,剩余空间为1678500,占用RAM为630.0673828125
删除未同步订单2603161734570023249932
2026-03-16 17:35:03>>>订单2603161734570023249932删除成功,剩余空间为1679500,占用RAM为640.435546875
检测订单目录中>>>
无未同步订单>>>
2026-03-16 17:35:03 >>>当前Ram内存为609.0654296875
定时检测未同步订单启用
2026-03-16 17:35:04>>>cash write=0C
2026-03-16 17:35:04>>>cash read=3E
===17:36:26===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===19:07:27===
2026-03-16 19:07:19 >>>回调事件[910,devices/S3249]
2026-03-16 19:07:19 >>>故障排除日志:上一MQTT订单号缓存列表为2603161711540049538716
2026-03-16 19:07:19 >>>故障排除日志:终端未同步成功订单列表
2026-03-16 19:07:19 开始打印,排队:21,票券:2603161907007361654201,订单:2603161907000071666274,[2026-03-16 19:07:19微信支付13元]
2026-03-16 19:07:21 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2603161907007361654201","queue_number":21,"trade_uid":"2603161907000071666274"}]}
2026-03-16 19:07:21 >>>故障排除日志:删除未同步下发订单成功2603161907000071666274
2026-03-16 19:07:22 >>>故障排除日志:终端同步成功后剩余订单列表
===19:19:27===
2026-03-16 19:18:46>>>cash read=0A
2026-03-16 19:18:47>>>cash read=3E
===19:31:28===
2026-03-16 19:31:09 >>>回调事件[910,devices/S3249]
2026-03-16 19:31:09 >>>故障排除日志:上一MQTT订单号缓存列表为2603161907000071666274
2026-03-16 19:31:09 >>>故障排除日志:终端未同步成功订单列表
2026-03-16 19:31:09 开始打印,排队:22,票券:2603161930577266331901,订单:2603161930570070730225,[2026-03-16 19:31:06微信支付13元]
2026-03-16 19:31:11 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2603161930577266331901","queue_number":22,"trade_uid":"2603161930570070730225"}]}
2026-03-16 19:31:11 >>>故障排除日志:删除未同步下发订单成功2603161930570070730225
2026-03-16 19:31:11 >>>故障排除日志:终端同步成功后剩余订单列表
===19:47:28===
2026-03-16 19:47:02>>>cash read=00
2026-03-16 19:47:02>>>cash read=818F42
2026-03-16 19:47:02>>>cash write=02
2026-03-16 19:47:02 >>>回调事件130,cash_status,10022,进钞中...read money=10
2026-03-16 19:47:02>>>cash read=10
2026-03-16 19:47:02 >>>回调事件130,10,10023,finish Money=10,进钞完成
2026-03-16 19:47:03>>>cash write=0C
2026-03-16 19:47:03>>>cash read=00
2026-03-16 19:47:04>>>cash read=818F40
2026-03-16 19:47:04>>>cash write=02
2026-03-16 19:47:04 >>>回调事件130,cash_status,10022,进钞中...read money=1
2026-03-16 19:47:05>>>cash read=10
2026-03-16 19:47:05 >>>回调事件130,1,10023,finish Money=1,进钞完成
2026-03-16 19:47:06>>>cash write=0C
2026-03-16 19:47:06>>>cash read=3E
2026-03-16 19:47:07>>>cash read=00
2026-03-16 19:47:08>>>cash read=818F40
2026-03-16 19:47:08>>>cash write=02
2026-03-16 19:47:08 >>>回调事件130,cash_status,10022,进钞中...read money=1
2026-03-16 19:47:08>>>cash read=10
2026-03-16 19:47:08 >>>回调事件130,1,10023,finish Money=1,进钞完成
2026-03-16 19:47:09>>>cash write=0C
2026-03-16 19:47:09>>>cash read=00
2026-03-16 19:47:11>>>cash read=2F2901
2026-03-16 19:47:12>>>cash read=3E
2026-03-16 19:47:13>>>cash read=00
2026-03-16 19:47:14>>>cash read=818F40
2026-03-16 19:47:14>>>cash write=02
2026-03-16 19:47:14 >>>回调事件130,cash_status,10022,进钞中...read money=1
2026-03-16 19:47:14>>>cash read=10
2026-03-16 19:47:14 >>>回调事件130,1,10023,finish Money=1,进钞完成
2026-03-16 19:47:14 当前产品价格13元，投币13元，打印小票中...
2026-03-16 19:47:14 >>>开始打印,排队号为23,订单号为2603161947080023249707
2026-03-16 19:47:15>>>订单2603161947080023249707写入成功,剩余空间为1678500,占用RAM为628.248046875
删除未同步订单2603161947080023249707
2026-03-16 19:47:17>>>订单2603161947080023249707删除成功,剩余空间为1679500,占用RAM为639.513671875
检测订单目录中>>>
无未同步订单>>>
2026-03-16 19:47:17 >>>当前Ram内存为609.1318359375
定时检测未同步订单启用
2026-03-16 19:47:18>>>cash write=0C
2026-03-16 19:47:18>>>cash read=3E
===19:48:28===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>