TLClient_JSSCOM_LuatOS-Air_V4002_RDA8910_RFTTS_0xe0000,2.6.4,866250064341575,82499633769743,
poweron reason:0
===09:00:17===
上一时间戳为1732167782
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4
初始化产品信息:[{"time_limit_date":"","ticket_category":"0","expiry_date":90,"product_detail":"小票自行取走，按号码等待，最后交给商家","time_limit_status":"0","begin_minute":"00","product_uid":"14943629519302637062","use_timer":1,"old_price":"10","end_hour":"23","sale_price":"10","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"剪发"}]
是否打印二维码设置为1
是否打印紧凑设置为3
session_id:ec255****18d9b
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[2.6.4]
定时检测未同步订单启用
2024-11-22 08:59:17>>>cash write=30
2024-11-22 08:59:17>>>cash write=02
2024-11-22 08:59:17>>>cash write=3E
2024-11-22 08:59:17>>>cash read=808F808F808F
系统时间初始化成功，时间为2024112285917
2024-11-22 08:59:18>>>cash write=02
2024-11-22 08:59:18 >>>剩余flash空间=1680500,占用RAM为630.6953125
2024-11-22 08:59:18 >>>回调事件:910,subscribe,10000,连接服务器成功
2024-11-22 08:59:19 >>>剩余flash空间=1680000,占用RAM为601.158203125
2024-11-22 08:59:19 >>>回调事件:911,GetMqttQueue,500,暂无需要下发的信息，请求类型：ticket
2024-11-22 08:59:21>>>cash write=0C
2024-11-22 08:59:21>>>cash read=3E
流量卡还有312天过期
2024-11-22 08:59:25 >>>当前Ram内存为631.6376953125
===09:01:17===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===09:42:18===
2024-11-22 09:41:37 >>>回调事件[910,devices/TL1647]
当日首次设置时间戳true为1732239697
2024-11-22 09:41:37 >>>故障排除日志:上一MQTT订单号缓存列表为24112119281873548583
2024-11-22 09:41:37 >>>故障排除日志:终端未同步成功订单列表
2024-11-22 09:41:37 开始打印,排队:1,票券:2411220941307044059801,订单:24112209413070436625,[2024-11-22 09:41:36微信支付10元]
2024-11-22 09:41:39 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411220941307044059801","queue_number":1,"trade_uid":"24112209413070436625"}]}
2024-11-22 09:41:39 >>>故障排除日志:删除未同步下发订单成功24112209413070436625
2024-11-22 09:41:39 >>>故障排除日志:终端同步成功后剩余订单列表
===10:11:18===
2024-11-22 10:10:21 >>>回调事件[910,devices/TL1647]
2024-11-22 10:10:21 >>>故障排除日志:上一MQTT订单号缓存列表为24112209413070436625
2024-11-22 10:10:21 >>>故障排除日志:终端未同步成功订单列表
2024-11-22 10:10:21 开始打印,排队:2,票券:2411221010152627833201,订单:24112210101526273928,[2024-11-22 10:10:20微信支付10元]
2024-11-22 10:10:23 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411221010152627833201","queue_number":2,"trade_uid":"24112210101526273928"}]}
2024-11-22 10:10:23 >>>故障排除日志:删除未同步下发订单成功24112210101526273928
2024-11-22 10:10:23 >>>故障排除日志:终端同步成功后剩余订单列表
===10:22:18===
2024-11-22 10:21:22>>>cash read=0A
2024-11-22 10:21:23>>>cash read=3E
===10:50:18===
2024-11-22 10:49:32>>>cash read=0A
2024-11-22 10:49:33>>>cash read=3E
===11:26:19===
2024-11-22 11:25:58 >>>回调事件[910,devices/TL1647]
2024-11-22 11:25:58 >>>故障排除日志:上一MQTT订单号缓存列表为24112210101526273928
2024-11-22 11:25:58 >>>故障排除日志:终端未同步成功订单列表
2024-11-22 11:25:59 开始打印,排队:3,票券:2411221125532933648101,订单:24112211255329331014,[2024-11-22 11:25:58支付宝支付10元]
2024-11-22 11:26:00 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411221125532933648101","queue_number":3,"trade_uid":"24112211255329331014"}]}
2024-11-22 11:26:00 >>>故障排除日志:删除未同步下发订单成功24112211255329331014
2024-11-22 11:26:01 >>>故障排除日志:终端同步成功后剩余订单列表
===13:44:12===
上一时间戳为1732239697
当日首次设置时间戳true为1732254191
今日nvm排队号为4
当前排队号为4,音量为4
初始化产品信息:[{"time_limit_date":"","ticket_category":"0","expiry_date":90,"product_detail":"小票自行取走，按号码等待，最后交给商家","time_limit_status":"0","begin_minute":"00","product_uid":"14943629519302637062","use_timer":1,"old_price":"10","end_hour":"23","sale_price":"10","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"剪发"}]
是否打印二维码设置为1
是否打印紧凑设置为3
session_id:8e70b****4b470
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[2.6.4]
定时检测未同步订单启用
2024-11-22 13:43:11>>>cash write=30
2024-11-22 13:43:11>>>cash write=02
2024-11-22 13:43:11>>>cash write=3E
2024-11-22 13:43:11>>>cash read=808F808F808F
系统时间初始化成功，时间为20241122134311
2024-11-22 13:43:12>>>cash write=02
2024-11-22 13:43:12 >>>剩余flash空间=1680500,占用RAM为630.0771484375
2024-11-22 13:43:12 >>>回调事件:910,subscribe,10000,连接服务器成功
2024-11-22 13:43:12 >>>剩余flash空间=1680000,占用RAM为598.9052734375
2024-11-22 13:43:12 >>>回调事件:911,GetMqttQueue,500,暂无需要下发的信息，请求类型：ticket
2024-11-22 13:43:15>>>cash write=0C
2024-11-22 13:43:15>>>cash read=3E
流量卡还有312天过期
2024-11-22 13:43:19 >>>当前Ram内存为634.345703125
===13:45:12===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===13:50:12===
2024-11-22 13:49:46>>>cash read=00
2024-11-22 13:49:47>>>cash read=818F42
2024-11-22 13:49:47>>>cash write=02
2024-11-22 13:49:47 >>>回调事件130,cash_status,10022,进钞中...read money=10
2024-11-22 13:49:47>>>cash read=10
2024-11-22 13:49:47 >>>回调事件130,10,10023,finish Money=10,进钞完成
2024-11-22 13:49:47 当前产品价格10元，投币10元，打印小票中...
2024-11-22 13:49:47 >>>开始打印,排队号为4,订单号为2411221349470011647125
2024-11-22 13:49:48>>>订单2411221349470011647125写入成功,剩余空间为1680000,占用RAM为606.5927734375
删除未同步订单2411221349470011647125
2024-11-22 13:49:50>>>订单2411221349470011647125删除成功,剩余空间为1680500,占用RAM为620.00390625
检测订单目录中>>>
无未同步订单>>>
2024-11-22 13:49:50 >>>当前Ram内存为591.107421875
定时检测未同步订单启用
2024-11-22 13:49:51>>>cash write=0C
2024-11-22 13:49:51>>>cash read=3E
===13:51:12===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===14:07:13===
2024-11-22 14:06:28 >>>回调事件[910,devices/TL1647]
2024-11-22 14:06:28 >>>故障排除日志:上一MQTT订单号缓存列表为24112211255329331014
2024-11-22 14:06:28 >>>故障排除日志:终端未同步成功订单列表
2024-11-22 14:06:28 开始打印,排队:5,票券:2411221406225381297401,订单:24112214062253807941,[2024-11-22 14:06:28微信支付10元]
2024-11-22 14:06:30 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411221406225381297401","queue_number":5,"trade_uid":"24112214062253807941"}]}
2024-11-22 14:06:30 >>>故障排除日志:删除未同步下发订单成功24112214062253807941
2024-11-22 14:06:30 >>>故障排除日志:终端同步成功后剩余订单列表
===14:17:14===
2024-11-22 14:17:10 >>>回调事件[910,devices/TL1647]
2024-11-22 14:17:10 >>>故障排除日志:上一MQTT订单号缓存列表为24112214062253807941
2024-11-22 14:17:10 >>>故障排除日志:终端未同步成功订单列表
2024-11-22 14:17:10 开始打印,排队:6,票券:2411221417035223361901,订单:24112214170352228628,[2024-11-22 14:17:10微信支付10元]
===14:29:14===
2024-11-22 14:29:00 >>>回调事件[910,devices/TL1647]
2024-11-22 14:29:00 >>>故障排除日志:上一MQTT订单号缓存列表为24112214170352228628
2024-11-22 14:29:00 >>>故障排除日志:终端未同步成功订单列表
2024-11-22 14:29:00 开始打印,排队:7,票券:2411221428547567207401,订单:24112214285475667426,[2024-11-22 14:29:00微信支付10元]
2024-11-22 14:29:02 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411221428547567207401","queue_number":7,"trade_uid":"24112214285475667426"}]}
2024-11-22 14:29:02 >>>故障排除日志:删除未同步下发订单成功24112214285475667426
2024-11-22 14:29:02 >>>故障排除日志:终端同步成功后剩余订单列表
===14:35:14===
2024-11-22 14:35:07>>>cash read=0A
2024-11-22 14:35:08>>>cash read=3E
===14:49:15===
2024-11-22 14:48:36 >>>回调事件[910,devices/TL1647]
2024-11-22 14:48:37 >>>故障排除日志:上一MQTT订单号缓存列表为24112214285475667426
2024-11-22 14:48:37 >>>故障排除日志:终端未同步成功订单列表
2024-11-22 14:48:37 开始打印,排队:8,票券:2411221448270876777401,订单:24112214482708761371,[2024-11-22 14:48:36微信支付10元]
2024-11-22 14:48:38 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411221448270876777401","queue_number":8,"trade_uid":"24112214482708761371"}]}
2024-11-22 14:48:38 >>>故障排除日志:删除未同步下发订单成功24112214482708761371
2024-11-22 14:48:39 >>>故障排除日志:终端同步成功后剩余订单列表
===14:53:15===
2024-11-22 14:52:34 >>>回调事件[910,devices/TL1647]
2024-11-22 14:52:35 >>>故障排除日志:上一MQTT订单号缓存列表为24112214482708761371
2024-11-22 14:52:35 >>>故障排除日志:终端未同步成功订单列表
2024-11-22 14:52:35 开始打印,排队:9,票券:2411221452276080375601,订单:24112214522760799914,[2024-11-22 14:52:35微信支付10元]
2024-11-22 14:52:36 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411221452276080375601","queue_number":9,"trade_uid":"24112214522760799914"}]}
2024-11-22 14:52:36 >>>故障排除日志:删除未同步下发订单成功24112214522760799914
2024-11-22 14:52:37 >>>故障排除日志:终端同步成功后剩余订单列表
===14:58:15===
2024-11-22 14:57:58>>>cash read=00
2024-11-22 14:57:58>>>cash read=818F42
2024-11-22 14:57:58>>>cash write=02
2024-11-22 14:57:58 >>>回调事件130,cash_status,10022,进钞中...read money=10
2024-11-22 14:57:58>>>cash read=10
2024-11-22 14:57:58 >>>回调事件130,10,10023,finish Money=10,进钞完成
2024-11-22 14:57:58 当前产品价格10元，投币10元，打印小票中...
2024-11-22 14:57:58 >>>开始打印,排队号为10,订单号为2411221457580011647443
2024-11-22 14:57:59>>>订单2411221457580011647443写入成功,剩余空间为1680000,占用RAM为610.2783203125
删除未同步订单2411221457580011647443
2024-11-22 14:58:01>>>订单2411221457580011647443删除成功,剩余空间为1680500,占用RAM为622.3359375
检测订单目录中>>>
无未同步订单>>>
2024-11-22 14:58:01 >>>当前Ram内存为593.0146484375
定时检测未同步订单启用
2024-11-22 14:58:02>>>cash write=0C
2024-11-22 14:58:02>>>cash read=3E
===14:59:15===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===15:49:15===
2024-11-22 15:48:15 >>>回调事件[910,devices/TL1647]
2024-11-22 15:48:15 >>>故障排除日志:上一MQTT订单号缓存列表为24112214522760799914
2024-11-22 15:48:15 >>>故障排除日志:终端未同步成功订单列表
2024-11-22 15:48:15 开始打印,排队:11,票券:2411221548005827518501,订单:24112215480058270858,[2024-11-22 15:48:15微信支付10元]
2024-11-22 15:48:17 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411221548005827518501","queue_number":11,"trade_uid":"24112215480058270858"}]}
2024-11-22 15:48:17 >>>故障排除日志:删除未同步下发订单成功24112215480058270858
2024-11-22 15:48:17 >>>故障排除日志:终端同步成功后剩余订单列表
===15:58:16===
2024-11-22 15:57:40>>>cash read=0A
2024-11-22 15:57:41>>>cash read=3E
===16:17:16===
2024-11-22 16:16:15 >>>回调事件[910,devices/TL1647]
2024-11-22 16:16:15 >>>故障排除日志:上一MQTT订单号缓存列表为24112215480058270858
2024-11-22 16:16:15 >>>故障排除日志:终端未同步成功订单列表
2024-11-22 16:16:15 开始打印,排队:12,票券:2411221616078941311201,订单:24112216160789405112,[2024-11-22 16:16:14微信支付10元]
2024-11-22 16:16:17 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411221616078941311201","queue_number":12,"trade_uid":"24112216160789405112"}]}
2024-11-22 16:16:17 >>>故障排除日志:删除未同步下发订单成功24112216160789405112
2024-11-22 16:16:17 >>>故障排除日志:终端同步成功后剩余订单列表
===17:21:16===
2024-11-22 17:21:11 >>>回调事件[910,devices/TL1647]
2024-11-22 17:21:11 >>>故障排除日志:上一MQTT订单号缓存列表为24112216160789405112
2024-11-22 17:21:11 >>>故障排除日志:终端未同步成功订单列表
2024-11-22 17:21:11 开始打印,排队:13,票券:2411221721048227053101,订单:24112217210482266729,[2024-11-22 17:21:11微信支付10元]
2024-11-22 17:21:13 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411221721048227053101","queue_number":13,"trade_uid":"24112217210482266729"}]}
2024-11-22 17:21:13 >>>故障排除日志:删除未同步下发订单成功24112217210482266729
2024-11-22 17:21:13 >>>故障排除日志:终端同步成功后剩余订单列表
===17:24:16===
2024-11-22 17:23:34>>>cash read=00
2024-11-22 17:23:35>>>cash read=818F42
2024-11-22 17:23:35>>>cash write=02
2024-11-22 17:23:35 >>>回调事件130,cash_status,10022,进钞中...read money=10
2024-11-22 17:23:35>>>cash read=10
2024-11-22 17:23:35 >>>回调事件130,10,10023,finish Money=10,进钞完成
2024-11-22 17:23:35 当前产品价格10元，投币10元，打印小票中...
2024-11-22 17:23:35 >>>开始打印,排队号为14,订单号为2411221723350011647762
2024-11-22 17:23:36>>>订单2411221723350011647762写入成功,剩余空间为1680000,占用RAM为609.8857421875
删除未同步订单2411221723350011647762
2024-11-22 17:23:38>>>订单2411221723350011647762删除成功,剩余空间为1680500,占用RAM为625.564453125
检测订单目录中>>>
无未同步订单>>>
2024-11-22 17:23:38 >>>当前Ram内存为592.6416015625
定时检测未同步订单启用
2024-11-22 17:23:39>>>cash write=0C
2024-11-22 17:23:39>>>cash read=3E
===17:25:16===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===17:46:17===
2024-11-22 17:45:31 >>>回调事件[910,devices/TL1647]
2024-11-22 17:45:31 >>>故障排除日志:上一MQTT订单号缓存列表为24112217210482266729
2024-11-22 17:45:31 >>>故障排除日志:终端未同步成功订单列表
2024-11-22 17:45:31 开始打印,排队:15,票券:2411221745249832955401,订单:24112217452498324756,[2024-11-22 17:45:31微信支付10元]
2024-11-22 17:45:33 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411221745249832955401","queue_number":15,"trade_uid":"24112217452498324756"}]}
2024-11-22 17:45:33 >>>故障排除日志:删除未同步下发订单成功24112217452498324756
2024-11-22 17:45:33 >>>故障排除日志:终端同步成功后剩余订单列表
===17:55:17===
2024-11-22 17:54:56>>>cash read=0A
2024-11-22 17:54:57>>>cash read=3E
===18:10:17===
2024-11-22 18:09:53>>>cash read=29
2024-11-22 18:09:53 >>>回调事件130,cash_status,20029,退钞中
2024-11-22 18:09:53>>>cash read=2F29
2024-11-22 18:09:55>>>cash read=00
2024-11-22 18:09:55>>>cash read=818F42
2024-11-22 18:09:55>>>cash write=02
2024-11-22 18:09:55 >>>回调事件130,cash_status,10022,进钞中...read money=10
2024-11-22 18:09:56>>>cash read=10
2024-11-22 18:09:56 >>>回调事件130,10,10023,finish Money=10,进钞完成
2024-11-22 18:09:56 当前产品价格10元，投币10元，打印小票中...
2024-11-22 18:09:56 >>>开始打印,排队号为16,订单号为2411221809560011647736
2024-11-22 18:09:56>>>订单2411221809560011647736写入成功,剩余空间为1679500,占用RAM为610.685546875
删除未同步订单2411221809560011647736
2024-11-22 18:09:58>>>订单2411221809560011647736删除成功,剩余空间为1680500,占用RAM为622.5830078125
检测订单目录中>>>
无未同步订单>>>
2024-11-22 18:09:58 >>>当前Ram内存为593.04296875
定时检测未同步订单启用
2024-11-22 18:09:59>>>cash write=0C
2024-11-22 18:09:59>>>cash read=3E
===18:11:17===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===18:22:18===
2024-11-22 18:22:15 >>>回调事件[910,devices/TL1647]
2024-11-22 18:22:15 >>>故障排除日志:上一MQTT订单号缓存列表为24112217452498324756
2024-11-22 18:22:15 >>>故障排除日志:终端未同步成功订单列表
2024-11-22 18:22:15 开始打印,排队:17,票券:2411221822085309736301,订单:24112218220853093782,[2024-11-22 18:22:15微信支付10元]
===18:40:19===
2024-11-22 18:40:01 >>>回调事件[910,devices/TL1647]
2024-11-22 18:40:01 >>>故障排除日志:上一MQTT订单号缓存列表为24112218220853093782
2024-11-22 18:40:01 >>>故障排除日志:终端未同步成功订单列表
2024-11-22 18:40:01 开始打印,排队:18,票券:2411221839534284709401,订单:24112218395342843847,[2024-11-22 18:40:01微信支付10元]
2024-11-22 18:40:03 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411221839534284709401","queue_number":18,"trade_uid":"24112218395342843847"}]}
2024-11-22 18:40:03 >>>故障排除日志:删除未同步下发订单成功24112218395342843847
2024-11-22 18:40:04 >>>故障排除日志:终端同步成功后剩余订单列表
===19:22:19===
2024-11-22 19:21:28 >>>回调事件[910,devices/TL1647]
2024-11-22 19:21:28 >>>故障排除日志:上一MQTT订单号缓存列表为24112218395342843847
2024-11-22 19:21:28 >>>故障排除日志:终端未同步成功订单列表
2024-11-22 19:21:28 开始打印,排队:19,票券:2411221921203804979801,订单:24112219212038046374,[2024-11-22 19:21:27微信支付10元]
2024-11-22 19:21:30 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411221921203804979801","queue_number":19,"trade_uid":"24112219212038046374"}]}
2024-11-22 19:21:30 >>>故障排除日志:删除未同步下发订单成功24112219212038046374
2024-11-22 19:21:30 >>>故障排除日志:终端同步成功后剩余订单列表
===19:34:19===
2024-11-22 19:34:07 >>>回调事件[910,devices/TL1647]
2024-11-22 19:34:07 >>>故障排除日志:上一MQTT订单号缓存列表为24112219212038046374
2024-11-22 19:34:07 >>>故障排除日志:终端未同步成功订单列表
2024-11-22 19:34:07 开始打印,排队:20,票券:2411221933562550702801,订单:24112219335625501571,[2024-11-22 19:34:07支付宝支付10元]
2024-11-22 19:34:09 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411221933562550702801","queue_number":20,"trade_uid":"24112219335625501571"}]}
2024-11-22 19:34:09 >>>故障排除日志:删除未同步下发订单成功24112219335625501571
2024-11-22 19:34:09 >>>故障排除日志:终端同步成功后剩余订单列表
===19:44:19===
2024-11-22 19:43:38 >>>回调事件[910,devices/TL1647]
2024-11-22 19:43:38 >>>故障排除日志:上一MQTT订单号缓存列表为24112219335625501571
2024-11-22 19:43:38 >>>故障排除日志:终端未同步成功订单列表
2024-11-22 19:43:38 开始打印,排队:21,票券:2411221943316992753601,订单:24112219433169922018,[2024-11-22 19:43:37微信支付10元]
2024-11-22 19:43:40 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411221943316992753601","queue_number":21,"trade_uid":"24112219433169922018"}]}
2024-11-22 19:43:40 >>>故障排除日志:删除未同步下发订单成功24112219433169922018
2024-11-22 19:43:40 >>>故障排除日志:终端同步成功后剩余订单列表
===19:46:20===
2024-11-22 19:45:53>>>cash read=00
2024-11-22 19:45:53>>>cash read=818F42
2024-11-22 19:45:53>>>cash write=02
2024-11-22 19:45:53 >>>回调事件130,cash_status,10022,进钞中...read money=10
2024-11-22 19:45:54>>>cash read=10
2024-11-22 19:45:54 >>>回调事件130,10,10023,finish Money=10,进钞完成
2024-11-22 19:45:54 当前产品价格10元，投币10元，打印小票中...
2024-11-22 19:45:54 >>>开始打印,排队号为22,订单号为2411221945540011647826
2024-11-22 19:45:54>>>订单2411221945540011647826写入成功,剩余空间为1680000,占用RAM为608.6435546875
删除未同步订单2411221945540011647826
2024-11-22 19:45:56>>>订单2411221945540011647826删除成功,剩余空间为1680500,占用RAM为620.5908203125
检测订单目录中>>>
无未同步订单>>>
2024-11-22 19:45:56 >>>当前Ram内存为591.4365234375
定时检测未同步订单启用
2024-11-22 19:45:57>>>cash write=0C
2024-11-22 19:45:57>>>cash read=3E
===19:47:20===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>