TLClient_JSSCOM_LuatOS-Air_V4010_RDA8910_RFTTS_0xe0000,2.7.0,863013071880651,99672130337211,
poweron reason:0
===09:06:55===
上一时间戳为1750987588
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6
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":"4280687130348367248","use_timer":1,"old_price":"10","end_hour":"23","sale_price":"10","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"快剪"}]
是否打印二维码设置为1
是否打印紧凑设置为7
当前号显示模式设置为1
session_id:37de0****f840c
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[2.7.0]
定时检测未同步订单启用
2025-06-28 09:05:55>>>cash write=30
2025-06-28 09:05:55>>>cash write=02
2025-06-28 09:05:55>>>cash write=3E
2025-06-28 09:05:55>>>cash read=808F808F808F
系统时间初始化成功，时间为20256289555
2025-06-28 09:05:56>>>cash write=02
2025-06-28 09:05:57 >>>剩余flash空间=1680500,占用RAM为652.2490234375
2025-06-28 09:05:57 >>>回调事件:910,subscribe,10000,连接服务器成功
2025-06-28 09:05:57 >>>剩余flash空间=1680000,占用RAM为613.4951171875
2025-06-28 09:05:57 >>>回调事件:911,GetMqttQueue,500,暂无需要下发的信息，请求类型：ticket
2025-06-28 09:05:59>>>cash write=0C
2025-06-28 09:05:59>>>cash read=3E
流量卡还有306天过期
2025-06-28 09:06:05 >>>当前Ram内存为653.25390625
===09:07:56===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===09:26:56===
2025-06-28 09:26:34>>>cash read=00
2025-06-28 09:26:35>>>cash read=818F42
2025-06-28 09:26:35>>>cash write=02
2025-06-28 09:26:35 >>>回调事件130,cash_status,10022,进钞中...read money=10
2025-06-28 09:26:35>>>cash read=10
2025-06-28 09:26:35 >>>回调事件130,10,10023,finish Money=10,进钞完成
当日首次设置时间戳true为1751073995
2025-06-28 09:26:35 当前产品价格10元，投币10元，打印小票中...
2025-06-28 09:26:35 >>>开始打印,排队号为1,订单号为2506280926350014241881
2025-06-28 09:26:36>>>订单2506280926350014241881写入成功,剩余空间为1679500,占用RAM为618.134765625
删除未同步订单2506280926350014241881
2025-06-28 09:26:38>>>订单2506280926350014241881删除成功,剩余空间为1680500,占用RAM为631.1123046875
检测订单目录中>>>
无未同步订单>>>
2025-06-28 09:26:38 >>>当前Ram内存为599.2724609375
定时检测未同步订单启用
2025-06-28 09:26:39>>>cash write=0C
2025-06-28 09:26:39>>>cash read=3E
===09:27:57===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===09:47:57===
2025-06-28 09:47:20>>>cash read=00
2025-06-28 09:47:20>>>cash read=818F42
2025-06-28 09:47:20>>>cash write=02
2025-06-28 09:47:20 >>>回调事件130,cash_status,10022,进钞中...read money=10
2025-06-28 09:47:21>>>cash read=10
2025-06-28 09:47:21 >>>回调事件130,10,10023,finish Money=10,进钞完成
2025-06-28 09:47:21 当前产品价格10元，投币10元，打印小票中...
2025-06-28 09:47:21 >>>开始打印,排队号为2,订单号为2506280947210014241444
2025-06-28 09:47:21>>>订单2506280947210014241444写入成功,剩余空间为1680000,占用RAM为616.021484375
删除未同步订单2506280947210014241444
2025-06-28 09:47:23>>>订单2506280947210014241444删除成功,剩余空间为1680500,占用RAM为632.0986328125
检测订单目录中>>>
无未同步订单>>>
2025-06-28 09:47:23 >>>当前Ram内存为598.794921875
定时检测未同步订单启用
2025-06-28 09:47:24>>>cash write=0C
2025-06-28 09:47:24>>>cash read=3E
===09:48:57===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===09:59:58===
2025-06-28 09:59:17 >>>回调事件[910,devices/TL4241]
2025-06-28 09:59:17 >>>故障排除日志:上一MQTT订单号缓存列表为2506271953010031307668|2506271953010031307668
2025-06-28 09:59:17 >>>故障排除日志:终端未同步成功订单列表
2025-06-28 09:59:17 开始打印,排队:3,票券:2506280959103249522601,订单:2506280959100030361169,[2025-06-28 09:59:17微信支付10元]
2025-06-28 09:59:19 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2506280959103249522601","queue_number":3,"trade_uid":"2506280959100030361169"}]}
2025-06-28 09:59:19 >>>故障排除日志:删除未同步下发订单成功2506280959100030361169
2025-06-28 09:59:20 >>>故障排除日志:终端同步成功后剩余订单列表
===10:24:58===
2025-06-28 10:24:49 >>>回调事件[910,devices/TL4241]
2025-06-28 10:24:49 >>>故障排除日志:上一MQTT订单号缓存列表为2506280959100030361169
2025-06-28 10:24:49 >>>故障排除日志:终端未同步成功订单列表
2025-06-28 10:24:49 开始打印,排队:4,票券:2506281024348230417301,订单:2506281024340081910697,[2025-06-28 10:24:49微信支付10元]
2025-06-28 10:24:52 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2506281024348230417301","queue_number":4,"trade_uid":"2506281024340081910697"}]}
2025-06-28 10:24:52 >>>故障排除日志:删除未同步下发订单成功2506281024340081910697
2025-06-28 10:24:52 >>>故障排除日志:终端同步成功后剩余订单列表
2025-06-28 10:24:53>>>cash read=00
2025-06-28 10:24:54>>>cash read=818F42
2025-06-28 10:24:54>>>cash write=02
2025-06-28 10:24:54 >>>回调事件130,cash_status,10022,进钞中...read money=10
2025-06-28 10:24:54>>>cash read=10
2025-06-28 10:24:54 >>>回调事件130,10,10023,finish Money=10,进钞完成
2025-06-28 10:24:54 当前产品价格10元，投币10元，打印小票中...
2025-06-28 10:24:54 >>>开始打印,排队号为5,订单号为2506281024540014241940
2025-06-28 10:24:54>>>订单2506281024540014241940写入成功,剩余空间为1679000,占用RAM为621.7119140625
删除未同步订单2506281024540014241940
2025-06-28 10:24:57>>>订单2506281024540014241940删除成功,剩余空间为1680000,占用RAM为637.884765625
检测订单目录中>>>
无未同步订单>>>
2025-06-28 10:24:57 >>>当前Ram内存为603.2412109375
定时检测未同步订单启用
===10:25:59===
2025-06-28 10:24:58>>>cash write=0C
2025-06-28 10:24:58>>>cash read=3E
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===10:55:00===
2025-06-28 10:54:07 >>>回调事件[910,devices/TL4241]
2025-06-28 10:54:07 >>>故障排除日志:上一MQTT订单号缓存列表为2506281024340081910697
2025-06-28 10:54:07 >>>故障排除日志:终端未同步成功订单列表
2025-06-28 10:54:07 开始打印,排队:6,票券:2506281053572541809501,订单:2506281053570025010426,[2025-06-28 10:54:06支付宝支付10元]
2025-06-28 10:54:09 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2506281053572541809501","queue_number":6,"trade_uid":"2506281053570025010426"}]}
2025-06-28 10:54:09 >>>故障排除日志:删除未同步下发订单成功2506281053570025010426
2025-06-28 10:54:09 >>>故障排除日志:终端同步成功后剩余订单列表
===11:20:00===
2025-06-28 11:19:23>>>cash read=00
2025-06-28 11:19:23>>>cash read=818F42
2025-06-28 11:19:23>>>cash write=02
2025-06-28 11:19:23 >>>回调事件130,cash_status,10022,进钞中...read money=10
2025-06-28 11:19:24>>>cash read=10
2025-06-28 11:19:24 >>>回调事件130,10,10023,finish Money=10,进钞完成
2025-06-28 11:19:24 当前产品价格10元，投币10元，打印小票中...
2025-06-28 11:19:24 >>>开始打印,排队号为7,订单号为2506281119240014241364
2025-06-28 11:19:24>>>订单2506281119240014241364写入成功,剩余空间为1680000,占用RAM为618.0166015625
删除未同步订单2506281119240014241364
2025-06-28 11:19:26>>>订单2506281119240014241364删除成功,剩余空间为1680500,占用RAM为634.369140625
检测订单目录中>>>
无未同步订单>>>
2025-06-28 11:19:26 >>>当前Ram内存为600.8037109375
定时检测未同步订单启用
2025-06-28 11:19:27>>>cash write=0C
2025-06-28 11:19:27>>>cash read=3E
===11:21:01===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===12:05:01===
2025-06-28 12:04:32>>>cash read=00
2025-06-28 12:04:33>>>cash read=818F42
2025-06-28 12:04:33>>>cash write=02
2025-06-28 12:04:33 >>>回调事件130,cash_status,10022,进钞中...read money=10
2025-06-28 12:04:33>>>cash read=10
2025-06-28 12:04:33 >>>回调事件130,10,10023,finish Money=10,进钞完成
2025-06-28 12:04:33 当前产品价格10元，投币10元，打印小票中...
2025-06-28 12:04:33 >>>开始打印,排队号为8,订单号为2506281204330014241687
2025-06-28 12:04:34>>>订单2506281204330014241687写入成功,剩余空间为1680000,占用RAM为617.7802734375
删除未同步订单2506281204330014241687
2025-06-28 12:04:36>>>订单2506281204330014241687删除成功,剩余空间为1680500,占用RAM为632.4443359375
检测订单目录中>>>
无未同步订单>>>
2025-06-28 12:04:36 >>>当前Ram内存为600.5146484375
定时检测未同步订单启用
2025-06-28 12:04:37>>>cash write=0C
2025-06-28 12:04:37>>>cash read=3E
===12:06:02===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===13:48:02===
2025-06-28 13:47:22 >>>回调事件[910,devices/TL4241]
2025-06-28 13:47:22 >>>故障排除日志:上一MQTT订单号缓存列表为2506281053570025010426
2025-06-28 13:47:22 >>>故障排除日志:终端未同步成功订单列表
2025-06-28 13:47:22 开始打印,排队:9,票券:2506281346566343165701,订单:2506281346560063057682,[2025-06-28 13:47:21支付宝支付10元]
2025-06-28 13:47:24 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2506281346566343165701","queue_number":9,"trade_uid":"2506281346560063057682"}]}
2025-06-28 13:47:24 >>>故障排除日志:删除未同步下发订单成功2506281346560063057682
2025-06-28 13:47:24 >>>故障排除日志:终端同步成功后剩余订单列表
===14:10:03===
2025-06-28 14:09:40>>>cash read=00
2025-06-28 14:09:41>>>cash read=818F42
2025-06-28 14:09:41>>>cash write=02
2025-06-28 14:09:41 >>>回调事件130,cash_status,10022,进钞中...read money=10
2025-06-28 14:09:42>>>cash read=10
2025-06-28 14:09:42 >>>回调事件130,10,10023,finish Money=10,进钞完成
2025-06-28 14:09:42 当前产品价格10元，投币10元，打印小票中...
2025-06-28 14:09:42 >>>开始打印,排队号为10,订单号为2506281409420014241687
2025-06-28 14:09:42>>>订单2506281409420014241687写入成功,剩余空间为1680000,占用RAM为617.7138671875
删除未同步订单2506281409420014241687
2025-06-28 14:09:44>>>订单2506281409420014241687删除成功,剩余空间为1680500,占用RAM为632.849609375
检测订单目录中>>>
无未同步订单>>>
2025-06-28 14:09:44 >>>当前Ram内存为600.4970703125
定时检测未同步订单启用
2025-06-28 14:09:45>>>cash write=0C
2025-06-28 14:09:45>>>cash read=3E
===14:11:03===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===15:09:03===
2025-06-28 15:08:43>>>cash read=00
2025-06-28 15:08:44>>>cash read=818F42
2025-06-28 15:08:44>>>cash write=02
2025-06-28 15:08:44 >>>回调事件130,cash_status,10022,进钞中...read money=10
2025-06-28 15:08:44>>>cash read=10
2025-06-28 15:08:44 >>>回调事件130,10,10023,finish Money=10,进钞完成
2025-06-28 15:08:44 当前产品价格10元，投币10元，打印小票中...
2025-06-28 15:08:44 >>>开始打印,排队号为11,订单号为2506281508440014241440
2025-06-28 15:08:45>>>订单2506281508440014241440写入成功,剩余空间为1680000,占用RAM为618.0400390625
删除未同步订单2506281508440014241440
2025-06-28 15:08:47>>>订单2506281508440014241440删除成功,剩余空间为1680500,占用RAM为631.1181640625
检测订单目录中>>>
无未同步订单>>>
2025-06-28 15:08:47 >>>当前Ram内存为600.7890625
定时检测未同步订单启用
2025-06-28 15:08:48>>>cash write=0C
2025-06-28 15:08:48>>>cash read=3E
===15:10:04===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===15:14:04===
2025-06-28 15:13:45 >>>回调事件[910,devices/TL4241]
2025-06-28 15:13:45 >>>故障排除日志:上一MQTT订单号缓存列表为2506281346560063057682
2025-06-28 15:13:45 >>>故障排除日志:终端未同步成功订单列表
2025-06-28 15:13:45 开始打印,排队:12,票券:2506281513386306546301,订单:2506281513380062695159,[2025-06-28 15:13:45微信支付10元]
2025-06-28 15:13:47 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2506281513386306546301","queue_number":12,"trade_uid":"2506281513380062695159"}]}
2025-06-28 15:13:47 >>>故障排除日志:删除未同步下发订单成功2506281513380062695159
2025-06-28 15:13:47 >>>故障排除日志:终端同步成功后剩余订单列表
===15:19:05===
2025-06-28 15:18:07>>>cash read=00
2025-06-28 15:18:07>>>cash read=818F42
2025-06-28 15:18:07>>>cash write=02
2025-06-28 15:18:07 >>>回调事件130,cash_status,10022,进钞中...read money=10
2025-06-28 15:18:08>>>cash read=10
2025-06-28 15:18:08 >>>回调事件130,10,10023,finish Money=10,进钞完成
2025-06-28 15:18:08 当前产品价格10元，投币10元，打印小票中...
2025-06-28 15:18:08 >>>开始打印,排队号为13,订单号为2506281518080014241031
2025-06-28 15:18:08>>>订单2506281518080014241031写入成功,剩余空间为1680000,占用RAM为617.7822265625
删除未同步订单2506281518080014241031
2025-06-28 15:18:10>>>订单2506281518080014241031删除成功,剩余空间为1680500,占用RAM为632.7353515625
检测订单目录中>>>
无未同步订单>>>
2025-06-28 15:18:10 >>>当前Ram内存为600.56640625
定时检测未同步订单启用
2025-06-28 15:18:11>>>cash write=0C
2025-06-28 15:18:11>>>cash read=3E
===15:20:05===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===15:33:06===
2025-06-28 15:32:47 >>>回调事件[910,devices/TL4241]
2025-06-28 15:32:47 >>>故障排除日志:上一MQTT订单号缓存列表为2506281513380062695159
2025-06-28 15:32:47 >>>故障排除日志:终端未同步成功订单列表
2025-06-28 15:32:47 开始打印,排队:14,票券:2506281532390264257101,订单:2506281532390002266038,[2025-06-28 15:32:47微信支付10元]
2025-06-28 15:32:49 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2506281532390264257101","queue_number":14,"trade_uid":"2506281532390002266038"}]}
2025-06-28 15:32:49 >>>故障排除日志:删除未同步下发订单成功2506281532390002266038
2025-06-28 15:32:49 >>>故障排除日志:终端同步成功后剩余订单列表
===16:08:06===
2025-06-28 16:07:33 >>>回调事件[910,devices/TL4241]
2025-06-28 16:07:33 >>>故障排除日志:上一MQTT订单号缓存列表为2506281532390002266038
2025-06-28 16:07:33 >>>故障排除日志:终端未同步成功订单列表
2025-06-28 16:07:33 开始打印,排队:15,票券:2506281607239287379801,订单:2506281607230092488648,[2025-06-28 16:07:33微信支付10元]
2025-06-28 16:07:36 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2506281607239287379801","queue_number":15,"trade_uid":"2506281607230092488648"}]}
2025-06-28 16:07:36 >>>故障排除日志:删除未同步下发订单成功2506281607230092488648
2025-06-28 16:07:36 >>>故障排除日志:终端同步成功后剩余订单列表
===17:08:07===
2025-06-28 17:07:37>>>cash read=00
2025-06-28 17:07:38>>>cash read=818F42
2025-06-28 17:07:38>>>cash write=02
2025-06-28 17:07:38 >>>回调事件130,cash_status,10022,进钞中...read money=10
2025-06-28 17:07:38>>>cash read=10
2025-06-28 17:07:38 >>>回调事件130,10,10023,finish Money=10,进钞完成
2025-06-28 17:07:38 当前产品价格10元，投币10元，打印小票中...
2025-06-28 17:07:38 >>>开始打印,排队号为16,订单号为2506281707380014241844
2025-06-28 17:07:38>>>订单2506281707380014241844写入成功,剩余空间为1680000,占用RAM为614.70703125
删除未同步订单2506281707380014241844
2025-06-28 17:07:40>>>订单2506281707380014241844删除成功,剩余空间为1680500,占用RAM为633.1171875
检测订单目录中>>>
无未同步订单>>>
2025-06-28 17:07:41 >>>当前Ram内存为599.3408203125
定时检测未同步订单启用
2025-06-28 17:07:41>>>cash write=0C
2025-06-28 17:07:41>>>cash read=3E
===17:09:07===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===17:26:07===
2025-06-28 17:25:55 >>>回调事件[910,devices/TL4241]
2025-06-28 17:25:55 >>>故障排除日志:上一MQTT订单号缓存列表为2506281607230092488648
2025-06-28 17:25:55 >>>故障排除日志:终端未同步成功订单列表
2025-06-28 17:25:55 开始打印,排队:17,票券:2506281725470843726201,订单:2506281725470008033631,[2025-06-28 17:25:55微信支付10元]
2025-06-28 17:25:58 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2506281725470843726201","queue_number":17,"trade_uid":"2506281725470008033631"}]}
2025-06-28 17:25:58 >>>故障排除日志:删除未同步下发订单成功2506281725470008033631
2025-06-28 17:25:58 >>>故障排除日志:终端同步成功后剩余订单列表
===17:52:08===
2025-06-28 17:52:01 >>>回调事件[910,devices/TL4241]
2025-06-28 17:52:01 >>>故障排除日志:上一MQTT订单号缓存列表为2506281725470008033631
2025-06-28 17:52:01 >>>故障排除日志:终端未同步成功订单列表
2025-06-28 17:52:01 开始打印,排队:18,票券:2506281751560857312401,订单:2506281751560008207546,[2025-06-28 17:52:01微信支付10元]
2025-06-28 17:52:03 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2506281751560857312401","queue_number":18,"trade_uid":"2506281751560008207546"}]}
2025-06-28 17:52:03 >>>故障排除日志:删除未同步下发订单成功2506281751560008207546
2025-06-28 17:52:03 >>>故障排除日志:终端同步成功后剩余订单列表
===18:19:08===
2025-06-28 18:18:29 >>>回调事件[910,devices/TL4241]
2025-06-28 18:18:29 >>>故障排除日志:上一MQTT订单号缓存列表为2506281751560008207546
2025-06-28 18:18:29 >>>故障排除日志:终端未同步成功订单列表
2025-06-28 18:18:29 开始打印,排队:19,票券:2506281818184206515901,订单:2506281818180041650285,[2025-06-28 18:18:28微信支付10元]
2025-06-28 18:18:31 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2506281818184206515901","queue_number":19,"trade_uid":"2506281818180041650285"}]}
2025-06-28 18:18:31 >>>故障排除日志:删除未同步下发订单成功2506281818180041650285
2025-06-28 18:18:31 >>>故障排除日志:终端同步成功后剩余订单列表
===19:06:09===
2025-06-28 19:06:04 >>>回调事件[910,devices/TL4241]
2025-06-28 19:06:04 >>>故障排除日志:上一MQTT订单号缓存列表为2506281818180041650285
2025-06-28 19:06:04 >>>故障排除日志:终端未同步成功订单列表
2025-06-28 19:06:04 开始打印,排队:20,票券:2506281905593771467301,订单:2506281905590037299153,[2025-06-28 19:06:04微信支付10元]
2025-06-28 19:06:06 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2506281905593771467301","queue_number":20,"trade_uid":"2506281905590037299153"}]}
2025-06-28 19:06:06 >>>故障排除日志:删除未同步下发订单成功2506281905590037299153
2025-06-28 19:06:07 >>>故障排除日志:终端同步成功后剩余订单列表
===19:21:09===
2025-06-28 19:20:51>>>cash read=0A
2025-06-28 19:20:52>>>cash read=3E
===19:58:10===
2025-06-28 19:57:09 >>>回调事件[910,devices/TL4241]
2025-06-28 19:57:09 >>>故障排除日志:上一MQTT订单号缓存列表为2506281905590037299153
2025-06-28 19:57:09 >>>故障排除日志:终端未同步成功订单列表
2025-06-28 19:57:09 开始打印,排队:21,票券:2506281956532781361201,订单:2506281956530027379118,[2025-06-28 19:57:08支付宝支付10元]
2025-06-28 19:57:11 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2506281956532781361201","queue_number":21,"trade_uid":"2506281956530027379118"}]}
2025-06-28 19:57:11 >>>故障排除日志:删除未同步下发订单成功2506281956530027379118
2025-06-28 19:57:11 >>>故障排除日志:终端同步成功后剩余订单列表
===20:45:10===
2025-06-28 20:44:23 >>>回调事件[910,devices/TL4241]
2025-06-28 20:44:23 >>>故障排除日志:上一MQTT订单号缓存列表为2506281956530027379118
2025-06-28 20:44:23 >>>故障排除日志:终端未同步成功订单列表
2025-06-28 20:44:23 开始打印,排队:22,票券:2506282044166813537101,订单:2506282044160067736332,[2025-06-28 20:44:23微信支付10元]
2025-06-28 20:44:26 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2506282044166813537101","queue_number":22,"trade_uid":"2506282044160067736332"}]}
2025-06-28 20:44:26 >>>故障排除日志:删除未同步下发订单成功2506282044160067736332
2025-06-28 20:44:26 >>>故障排除日志:终端同步成功后剩余订单列表