TLClient_JSSCOM_LuatOS-Air_V4010_RDA8910_RFTTS_0xe0000,2.8.0,863013071840945,78832243346370,
poweron reason:0
===10:17:53===
上一时间戳为1773106638
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":300,"product_detail":"","time_limit_status":"0","begin_minute":"00","product_uid":"4280687130349037293","use_timer":1,"old_price":"15","end_hour":"23","sale_price":"15","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"中长发"},{"time_limit_date":"","ticket_category":"0","expiry_date":365,"product_detail":"","time_limit_status":"0","begin_minute":"00","product_uid":"4280874159397362694","use_timer":1,"old_price":"15","end_hour":"23","sale_price":"15","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"长发剪短发"},{"time_limit_date":"","ticket_category":"0","expiry_date":300,"product_detail":"","time_limit_status":"0","begin_minute":"00","product_uid":"821922613860724463","use_timer":1,"old_price":"10","end_hour":"23","sale_price":"10","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"快剪剪发"},{"time_limit_date":"0|1|2|3|4|6|5","ticket_category":"0","expiry_date":300,"product_detail":"","time_limit_status":"1","begin_minute":"00","product_uid":"4280687130349034836","use_timer":1,"old_price":"15","end_hour":"23","sale_price":"15","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"精剪"}]
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2
当前卡项核销权限设置为0
session_id:73d93****4e55e
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[2.8.0]
定时检测未同步订单启用
2026-03-11 10:16:53>>>cash write=30
2026-03-11 10:16:53>>>cash write=02
2026-03-11 10:16:53>>>cash write=3E
2026-03-11 10:16:53>>>cash read=808F808F
系统时间初始化成功，时间为2026311101653
2026-03-11 10:16:54>>>cash write=02
2026-03-11 10:16:54 >>>剩余flash空间=1679500,占用RAM为656.7314453125
2026-03-11 10:16:54 >>>回调事件:910,subscribe,10000,连接服务器成功
2026-03-11 10:16:55 >>>剩余flash空间=1679000,占用RAM为624.21875
2026-03-11 10:16:55 >>>回调事件:911,GetMqttQueue,500,暂无需要下发的信息，请求类型：ticket
2026-03-11 10:16:57>>>cash write=0C
2026-03-11 10:16:57>>>cash read=3E
流量卡还有110天过期
2026-03-11 10:17:03 >>>当前Ram内存为628.0166015625
===10:18:54===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===10:25:54===
2026-03-11 10:25:25>>>cash read=00
2026-03-11 10:25:26>>>cash read=818F42
2026-03-11 10:25:26>>>cash write=02
2026-03-11 10:25:26 >>>回调事件130,cash_status,10022,进钞中...read money=10
2026-03-11 10:25:26>>>cash read=10
2026-03-11 10:25:26 >>>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1773195926
2026-03-11 10:25:26 当前产品价格10元，投币10元，打印小票中...
2026-03-11 10:25:26 >>>开始打印,排队号为1,订单号为2603111025260014423843
2026-03-11 10:25:27>>>订单2603111025260014423843写入成功,剩余空间为1679500,占用RAM为622.6015625
删除未同步订单2603111025260014423843
2026-03-11 10:25:29>>>订单2603111025260014423843删除成功,剩余空间为1680500,占用RAM为639.8115234375
检测订单目录中>>>
无未同步订单>>>
2026-03-11 10:25:29 >>>当前Ram内存为606.1953125
定时检测未同步订单启用
2026-03-11 10:25:30>>>cash write=0C
2026-03-11 10:25:30>>>cash read=3E
===10:26:54===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===11:01:55===
2026-03-11 11:01:45 >>>回调事件[910,devices/TL4423]
2026-03-11 11:01:45 >>>故障排除日志:上一MQTT订单号缓存列表为2603102012280091981942
2026-03-11 11:01:45 >>>故障排除日志:终端未同步成功订单列表
2026-03-11 11:01:45 开始打印,排队:2,票券:2603111101396631949401,订单:2603111101390063365515,[2026-03-11 11:01:45微信支付10元]
2026-03-11 11:01:47 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2603111101396631949401","queue_number":2,"trade_uid":"2603111101390063365515"}]}
2026-03-11 11:01:47 >>>故障排除日志:删除未同步下发订单成功2603111101390063365515
2026-03-11 11:01:48 >>>故障排除日志:终端同步成功后剩余订单列表
===11:35:55===
2026-03-11 11:35:19 >>>回调事件[910,devices/TL4423]
2026-03-11 11:35:19 >>>故障排除日志:上一MQTT订单号缓存列表为2603111101390063365515
2026-03-11 11:35:19 >>>故障排除日志:终端未同步成功订单列表
2026-03-11 11:35:19 开始打印,排队:3,票券:2603111135103450293601,订单:2603111135100032500647,[2026-03-11 11:35:18微信支付10元]
2026-03-11 11:35:21 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2603111135103450293601","queue_number":3,"trade_uid":"2603111135100032500647"}]}
2026-03-11 11:35:21 >>>故障排除日志:删除未同步下发订单成功2603111135100032500647
2026-03-11 11:35:21 >>>故障排除日志:终端同步成功后剩余订单列表
===12:45:56===
2026-03-11 12:45:46 >>>回调事件[910,devices/TL4423]
2026-03-11 12:45:46 >>>故障排除日志:上一MQTT订单号缓存列表为2603111135100032500647
2026-03-11 12:45:46 >>>故障排除日志:终端未同步成功订单列表
2026-03-11 12:45:46 开始打印,排队:4,票券:2603111245407399928901,订单:2603111245400072046941,[2026-03-11 12:45:45微信支付10元]
2026-03-11 12:45:48 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2603111245407399928901","queue_number":4,"trade_uid":"2603111245400072046941"}]}
2026-03-11 12:45:48 >>>故障排除日志:删除未同步下发订单成功2603111245400072046941
2026-03-11 12:45:48 >>>故障排除日志:终端同步成功后剩余订单列表
===13:00:56===
2026-03-11 13:00:34 >>>回调事件[910,devices/TL4423]
2026-03-11 13:00:34 >>>故障排除日志:上一MQTT订单号缓存列表为2603111245400072046941
2026-03-11 13:00:34 >>>故障排除日志:终端未同步成功订单列表
2026-03-11 13:00:34 开始打印,排队:5,票券:2603111300265950692601,订单:2603111300260057455768,[2026-03-11 13:00:33微信支付10元]
2026-03-11 13:00:36 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2603111300265950692601","queue_number":5,"trade_uid":"2603111300260057455768"}]}
2026-03-11 13:00:36 >>>故障排除日志:删除未同步下发订单成功2603111300260057455768
2026-03-11 13:00:36 >>>故障排除日志:终端同步成功后剩余订单列表
===14:51:57===
2026-03-11 14:51:52>>>cash read=00
2026-03-11 14:51:52>>>cash read=818F42
2026-03-11 14:51:52>>>cash write=02
2026-03-11 14:51:52 >>>回调事件130,cash_status,10022,进钞中...read money=10
2026-03-11 14:51:53>>>cash read=10
2026-03-11 14:51:53 >>>回调事件130,10,10023,finish Money=10,进钞完成
2026-03-11 14:51:53 当前产品价格10元，投币10元，打印小票中...
2026-03-11 14:51:53 >>>开始打印,排队号为6,订单号为2603111451530014423435
2026-03-11 14:51:53>>>订单2603111451530014423435写入成功,剩余空间为1680000,占用RAM为625.033203125
删除未同步订单2603111451530014423435
2026-03-11 14:51:55>>>订单2603111451530014423435删除成功,剩余空间为1680500,占用RAM为638.2607421875
检测订单目录中>>>
无未同步订单>>>
2026-03-11 14:51:55 >>>当前Ram内存为607.8251953125
定时检测未同步订单启用
===14:52:57===
2026-03-11 14:51:56>>>cash write=0C
2026-03-11 14:51:56>>>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>>>
===15:22:57===
2026-03-11 15:22:32 >>>回调事件[910,devices/TL4423]
2026-03-11 15:22:32 >>>故障排除日志:上一MQTT订单号缓存列表为2603111300260057455768
2026-03-11 15:22:32 >>>故障排除日志:终端未同步成功订单列表
2026-03-11 15:22:32 开始打印,排队:7,票券:2603111522175410203101,订单:2603111522170052313131,[2026-03-11 15:22:32微信支付10元]
2026-03-11 15:22:34 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2603111522175410203101","queue_number":7,"trade_uid":"2603111522170052313131"}]}
2026-03-11 15:22:34 >>>故障排除日志:删除未同步下发订单成功2603111522170052313131
2026-03-11 15:22:34 >>>故障排除日志:终端同步成功后剩余订单列表
===15:24:58===
2026-03-11 15:24:31 >>>回调事件[910,devices/TL4423]
2026-03-11 15:24:31 >>>故障排除日志:上一MQTT订单号缓存列表为2603111522170052313131
2026-03-11 15:24:31 >>>故障排除日志:终端未同步成功订单列表
2026-03-11 15:24:31 开始打印,排队:8,票券:2603111524255513535801,订单:2603111524250053127842,[2026-03-11 15:24:31微信支付10元]
2026-03-11 15:24:33 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2603111524255513535801","queue_number":8,"trade_uid":"2603111524250053127842"}]}
2026-03-11 15:24:33 >>>故障排除日志:删除未同步下发订单成功2603111524250053127842
2026-03-11 15:24:33 >>>故障排除日志:终端同步成功后剩余订单列表
===15:49:58===
2026-03-11 15:49:18 >>>回调事件[910,devices/TL4423]
2026-03-11 15:49:18 >>>故障排除日志:上一MQTT订单号缓存列表为2603111524250053127842
2026-03-11 15:49:18 >>>故障排除日志:终端未同步成功订单列表
2026-03-11 15:49:18 开始打印,排队:9,票券:2603111549110565055301,订单:2603111549110003686516,[2026-03-11 15:49:17微信支付10元]
2026-03-11 15:49:20 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2603111549110565055301","queue_number":9,"trade_uid":"2603111549110003686516"}]}
2026-03-11 15:49:21 >>>故障排除日志:删除未同步下发订单成功2603111549110003686516
2026-03-11 15:49:21 >>>故障排除日志:终端同步成功后剩余订单列表
===16:23:58===
2026-03-11 16:23:10 >>>回调事件[910,devices/TL4423]
2026-03-11 16:23:10 >>>故障排除日志:上一MQTT订单号缓存列表为2603111549110003686516
2026-03-11 16:23:10 >>>故障排除日志:终端未同步成功订单列表
2026-03-11 16:23:10 开始打印,排队:10,票券:2603111623013232242701,订单:2603111623010029864161,[2026-03-11 16:23:09微信支付10元]
2026-03-11 16:23:12 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2603111623013232242701","queue_number":10,"trade_uid":"2603111623010029864161"}]}
2026-03-11 16:23:12 >>>故障排除日志:删除未同步下发订单成功2603111623010029864161
2026-03-11 16:23:13 >>>故障排除日志:终端同步成功后剩余订单列表
===16:37:59===
2026-03-11 16:37:42 >>>回调事件[910,devices/TL4423]
2026-03-11 16:37:42 >>>故障排除日志:上一MQTT订单号缓存列表为2603111623010029864161
2026-03-11 16:37:42 >>>故障排除日志:终端未同步成功订单列表
2026-03-11 16:37:42 开始打印,排队:11,票券:2603111637329153123101,订单:2603111637320088530763,[2026-03-11 16:37:41微信支付15元]
2026-03-11 16:37:44 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2603111637329153123101","queue_number":11,"trade_uid":"2603111637320088530763"}]}
2026-03-11 16:37:44 >>>故障排除日志:删除未同步下发订单成功2603111637320088530763
2026-03-11 16:37:44 >>>故障排除日志:终端同步成功后剩余订单列表
===17:00:59===
2026-03-11 17:00:35>>>cash read=0A
2026-03-11 17:00:37>>>cash read=3E
===17:33:00===
2026-03-11 17:32:10 >>>回调事件[910,devices/TL4423]
2026-03-11 17:32:10 >>>故障排除日志:上一MQTT订单号缓存列表为2603111637320088530763
2026-03-11 17:32:10 >>>故障排除日志:终端未同步成功订单列表
2026-03-11 17:32:10 开始打印,排队:12,票券:2603111732016522669801,订单:2603111732010063222797,[2026-03-11 17:32:09微信支付10元]
2026-03-11 17:32:12 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2603111732016522669801","queue_number":12,"trade_uid":"2603111732010063222797"}]}
2026-03-11 17:32:12 >>>故障排除日志:删除未同步下发订单成功2603111732010063222797
2026-03-11 17:32:12 >>>故障排除日志:终端同步成功后剩余订单列表
===17:34:00===
2026-03-11 17:33:03 >>>回调事件[910,devices/TL4423]
2026-03-11 17:33:03 >>>故障排除日志:上一MQTT订单号缓存列表为2603111732010063222797
2026-03-11 17:33:03 >>>故障排除日志:终端未同步成功订单列表
2026-03-11 17:33:03 开始打印,排队:13,票券:2603111732527677841701,订单:2603111732520073008357,[2026-03-11 17:33:02微信支付10元]
2026-03-11 17:33:05 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2603111732527677841701","queue_number":13,"trade_uid":"2603111732520073008357"}]}
2026-03-11 17:33:05 >>>故障排除日志:删除未同步下发订单成功2603111732520073008357
2026-03-11 17:33:05 >>>故障排除日志:终端同步成功后剩余订单列表
===18:02:00===
2026-03-11 18:01:43 >>>回调事件[910,devices/TL4423]
2026-03-11 18:01:43 >>>故障排除日志:上一MQTT订单号缓存列表为2603111732520073008357
2026-03-11 18:01:43 >>>故障排除日志:终端未同步成功订单列表
2026-03-11 18:01:43 开始打印,排队:14,票券:2603111801234749858701,订单:2603111801230045347861,[2026-03-11 18:01:42微信支付10元]
2026-03-11 18:01:45 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2603111801234749858701","queue_number":14,"trade_uid":"2603111801230045347861"}]}
2026-03-11 18:01:45 >>>故障排除日志:删除未同步下发订单成功2603111801230045347861
2026-03-11 18:01:45 >>>故障排除日志:终端同步成功后剩余订单列表
===18:07:01===
2026-03-11 18:06:15 >>>回调事件[910,devices/TL4423]
2026-03-11 18:06:15 >>>故障排除日志:上一MQTT订单号缓存列表为2603111801230045347861
2026-03-11 18:06:15 >>>故障排除日志:终端未同步成功订单列表
2026-03-11 18:06:15 开始打印,排队:15,票券:2603111806086284707301,订单:2603111806080060982683,[2026-03-11 18:06:14微信支付10元]
2026-03-11 18:06:17 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2603111806086284707301","queue_number":15,"trade_uid":"2603111806080060982683"}]}
2026-03-11 18:06:17 >>>故障排除日志:删除未同步下发订单成功2603111806080060982683
2026-03-11 18:06:17 >>>故障排除日志:终端同步成功后剩余订单列表
===18:52:01===
2026-03-11 18:51:12>>>cash read=00
2026-03-11 18:51:13>>>cash read=818F4200
2026-03-11 18:51:13>>>cash write=02
2026-03-11 18:51:13 >>>回调事件130,cash_status,10022,进钞中...read money=10
2026-03-11 18:51:13>>>cash read=10
2026-03-11 18:51:13 >>>回调事件130,10,10023,finish Money=10,进钞完成
2026-03-11 18:51:13 当前产品价格10元，投币10元，打印小票中...
2026-03-11 18:51:13 >>>开始打印,排队号为16,订单号为2603111851130014423659
2026-03-11 18:51:14>>>订单2603111851130014423659写入成功,剩余空间为1680000,占用RAM为621.638671875
删除未同步订单2603111851130014423659
2026-03-11 18:51:16>>>订单2603111851130014423659删除成功,剩余空间为1680500,占用RAM为636.7314453125
检测订单目录中>>>
无未同步订单>>>
2026-03-11 18:51:16 >>>当前Ram内存为606.236328125
定时检测未同步订单启用
2026-03-11 18:51:17>>>cash write=0C
2026-03-11 18:51:17>>>cash read=3E
===18:53:02===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===18:55:02===
2026-03-11 18:54:42 >>>回调事件[910,devices/TL4423]
2026-03-11 18:54:42 >>>故障排除日志:上一MQTT订单号缓存列表为2603111806080060982683
2026-03-11 18:54:42 >>>故障排除日志:终端未同步成功订单列表
2026-03-11 18:54:42 开始打印,排队:17,票券:2603111854334451191701,订单:2603111854330042661076,[2026-03-11 18:54:41微信支付10元]
2026-03-11 18:54:44 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2603111854334451191701","queue_number":17,"trade_uid":"2603111854330042661076"}]}
2026-03-11 18:54:44 >>>故障排除日志:删除未同步下发订单成功2603111854330042661076
2026-03-11 18:54:44 >>>故障排除日志:终端同步成功后剩余订单列表
===18:56:02===
2026-03-11 18:55:15>>>cash read=00
2026-03-11 18:55:16>>>cash read=818F42
2026-03-11 18:55:16>>>cash write=02
2026-03-11 18:55:16 >>>回调事件130,cash_status,10022,进钞中...read money=10
2026-03-11 18:55:17>>>cash read=10
2026-03-11 18:55:17 >>>回调事件130,10,10023,finish Money=10,进钞完成
2026-03-11 18:55:17 当前产品价格10元，投币10元，打印小票中...
2026-03-11 18:55:17 >>>开始打印,排队号为18,订单号为2603111855170014423688
2026-03-11 18:55:17>>>订单2603111855170014423688写入成功,剩余空间为1680000,占用RAM为623.1650390625
删除未同步订单2603111855170014423688
2026-03-11 18:55:19>>>订单2603111855170014423688删除成功,剩余空间为1680500,占用RAM为641.48828125
检测订单目录中>>>
无未同步订单>>>
2026-03-11 18:55:19 >>>当前Ram内存为607.8076171875
定时检测未同步订单启用
2026-03-11 18:55:20>>>cash write=0C
2026-03-11 18:55:20>>>cash read=3E
===18:57:03===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===19:13:03===
2026-03-11 19:12:53 >>>回调事件[910,devices/TL4423]
2026-03-11 19:12:53 >>>故障排除日志:上一MQTT订单号缓存列表为2603111854330042661076
2026-03-11 19:12:53 >>>故障排除日志:终端未同步成功订单列表
2026-03-11 19:12:53 开始打印,排队:19,票券:2603111912464546708201,订单:2603111912460043652367,[2026-03-11 19:12:52微信支付10元]
2026-03-11 19:12:55 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2603111912464546708201","queue_number":19,"trade_uid":"2603111912460043652367"}]}
2026-03-11 19:12:55 >>>故障排除日志:删除未同步下发订单成功2603111912460043652367
2026-03-11 19:12:55 >>>故障排除日志:终端同步成功后剩余订单列表
===19:23:03===
2026-03-11 19:22:59 >>>回调事件[910,devices/TL4423]
2026-03-11 19:22:59 >>>故障排除日志:上一MQTT订单号缓存列表为2603111912460043652367
2026-03-11 19:22:59 >>>故障排除日志:终端未同步成功订单列表
2026-03-11 19:22:59 开始打印,排队:20,票券:2603111922528361322501,订单:2603111922522181476223,[2026-03-11 19:22:58微信支付10元]
2026-03-11 19:23:01 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2603111922528361322501","queue_number":20,"trade_uid":"2603111922522181476223"}]}
2026-03-11 19:23:01 >>>故障排除日志:删除未同步下发订单成功2603111922522181476223
2026-03-11 19:23:01 >>>故障排除日志:终端同步成功后剩余订单列表
===19:37:04===
2026-03-11 19:36:39 >>>回调事件[910,devices/TL4423]
2026-03-11 19:36:39 >>>故障排除日志:上一MQTT订单号缓存列表为2603111922522181476223
2026-03-11 19:36:39 >>>故障排除日志:终端未同步成功订单列表
2026-03-11 19:36:39 开始打印,排队:21,票券:2603111936309820653101,订单:2603111936300096258096,[2026-03-11 19:36:38微信支付10元]
2026-03-11 19:36:41 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2603111936309820653101","queue_number":21,"trade_uid":"2603111936300096258096"}]}
2026-03-11 19:36:41 >>>故障排除日志:删除未同步下发订单成功2603111936300096258096
2026-03-11 19:36:41 >>>故障排除日志:终端同步成功后剩余订单列表
===19:43:04===
2026-03-11 19:42:54 >>>回调事件[910,devices/TL4423]
2026-03-11 19:42:54 >>>故障排除日志:上一MQTT订单号缓存列表为2603111936300096258096
2026-03-11 19:42:54 >>>故障排除日志:终端未同步成功订单列表
2026-03-11 19:42:54 开始打印,排队:22,票券:2603111942474137042701,订单:2603111942470039270446,[2026-03-11 19:42:54微信支付10元]
2026-03-11 19:42:57 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2603111942474137042701","queue_number":22,"trade_uid":"2603111942470039270446"}]}
2026-03-11 19:42:57 >>>故障排除日志:删除未同步下发订单成功2603111942470039270446
2026-03-11 19:42:57 >>>故障排除日志:终端同步成功后剩余订单列表
===20:12:04===
2026-03-11 20:11:24 >>>回调事件[910,devices/TL4423]
2026-03-11 20:11:24 >>>故障排除日志:上一MQTT订单号缓存列表为2603111942470039270446
2026-03-11 20:11:24 >>>故障排除日志:终端未同步成功订单列表
2026-03-11 20:11:24 开始打印,排队:23,票券:2603112011198776308501,订单:2603112011190085108974,[2026-03-11 20:11:23微信支付10元]
2026-03-11 20:11:26 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2603112011198776308501","queue_number":23,"trade_uid":"2603112011190085108974"}]}
2026-03-11 20:11:26 >>>故障排除日志:删除未同步下发订单成功2603112011190085108974
2026-03-11 20:11:26 >>>故障排除日志:终端同步成功后剩余订单列表