TLClient_JSSCOM_LuatOS-Air_V4010_RDA8910_RFTTS_0xe0000,2.7.3,869701072491049,69126775134183,
poweron reason:0

===08:58:53===
上一时间戳为1756861688
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7
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":"12566542176649795459","use_timer":1,"old_price":"18","end_hour":"23","sale_price":"18","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"精剪"},{"time_limit_date":"","ticket_category":"0","expiry_date":7,"product_detail":"","time_limit_status":"0","begin_minute":"00","product_uid":"12710657366791508470","use_timer":1,"old_price":"12","end_hour":"23","sale_price":"12","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"快剪"},{"time_limit_date":"","ticket_category":"0","expiry_date":7,"product_detail":"","time_limit_status":"0","begin_minute":"00","product_uid":"12566542176649772546","use_timer":1,"old_price":"88","end_hour":"23","sale_price":"88","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"黑油长发"},{"time_limit_date":"","ticket_category":"0","expiry_date":90,"product_detail":"","time_limit_status":"0","begin_minute":"00","product_uid":"12710657366791508595","use_timer":1,"old_price":"38","end_hour":"23","sale_price":"38","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"染发短"},{"time_limit_date":"","ticket_category":"0","expiry_date":7,"product_detail":"","time_limit_status":"0","begin_minute":"00","product_uid":"12710657366791676464","use_timer":1,"old_price":"58","end_hour":"23","sale_price":"58","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"黑油中发"}]
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:cf5f7****df45d
纸币器设置接收纸币范围为186
欢迎使用天羚自助售票系统[2.7.3]
定时检测未同步订单启用
2025-09-05 08:57:53>>>cash write=30
2025-09-05 08:57:53>>>cash write=02
2025-09-05 08:57:53>>>cash write=3E
2025-09-05 08:57:53>>>cash read=808F808F
系统时间初始化成功，时间为20259585753
2025-09-05 08:57:54>>>cash write=02
2025-09-05 08:57:54 >>>剩余flash空间=1679000,占用RAM为656.43359375
2025-09-05 08:57:54 >>>回调事件:910,subscribe,10000,连接服务器成功

2025-09-05 08:57:55 >>>剩余flash空间=1679000,占用RAM为615.9736328125
2025-09-05 08:57:55 >>>回调事件:911,GetMqttQueue,500,暂无需要下发的信息，请求类型：ticket

2025-09-05 08:57:57>>>cash write=0C
2025-09-05 08:57:57>>>cash read=3E
流量卡还有297天过期
2025-09-05 08:58:04 >>>当前Ram内存为647.91796875


===08:59:54===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
2025-09-05 08:58:57 >>>回调事件[910,devices/S3460]
当日首次设置时间戳true为1757033937
2025-09-05 08:58:57 >>>故障排除日志:上一MQTT订单号缓存列表为2509032129270092742023
2025-09-05 08:58:57 >>>故障排除日志:终端未同步成功订单列表
2025-09-05 08:58:57 开始打印,排队:1,票券:2509050858501985555101,订单:2509050858500017792192,[2025-09-05 08:58:56微信支付12元]
2025-09-05 08:58:59 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2509050858501985555101","queue_number":1,"trade_uid":"2509050858500017792192"}]}
2025-09-05 08:58:59 >>>故障排除日志:删除未同步下发订单成功2509050858500017792192
2025-09-05 08:58:59 >>>故障排除日志:终端同步成功后剩余订单列表


===09:17:54===
2025-09-05 09:17:27>>>cash read=9E
2025-09-05 09:17:28>>>cash read=3E


===10:49:55===
2025-09-05 10:49:24>>>cash read=00
2025-09-05 10:49:24>>>cash read=818F42
2025-09-05 10:49:24>>>cash write=02
2025-09-05 10:49:25 >>>回调事件130,cash_status,10022,进钞中...read money=10
2025-09-05 10:49:25>>>cash read=10
2025-09-05 10:49:25 >>>回调事件130,10,10023,finish Money=10,进钞完成
2025-09-05 10:49:26>>>cash write=0C
2025-09-05 10:49:26>>>cash read=3E
2025-09-05 10:49:30>>>cash read=00
2025-09-05 10:49:31>>>cash read=818F40
2025-09-05 10:49:31>>>cash write=02
2025-09-05 10:49:31 >>>回调事件130,cash_status,10022,进钞中...read money=1
2025-09-05 10:49:31>>>cash read=10
2025-09-05 10:49:31 >>>回调事件130,1,10023,finish Money=1,进钞完成
2025-09-05 10:49:32>>>cash write=0C
2025-09-05 10:49:32>>>cash read=3E
2025-09-05 10:49:34>>>cash read=29
2025-09-05 10:49:34 >>>回调事件130,cash_status,20029,退钞中
2025-09-05 10:49:34>>>cash read=2F29
2025-09-05 10:49:36>>>cash read=3E
2025-09-05 10:49:37>>>cash read=00
2025-09-05 10:49:38>>>cash read=2F29
2025-09-05 10:49:39>>>cash read=01
2025-09-05 10:49:43>>>cash read=2F
2025-09-05 10:49:44>>>cash read=2F29
2025-09-05 10:49:45>>>cash read=01


===10:50:55===
2025-09-05 10:49:58>>>cash read=2F
2025-09-05 10:49:59>>>cash read=3E
2025-09-05 10:50:00>>>cash read=00
2025-09-05 10:50:01>>>cash read=2F29
2025-09-05 10:50:03>>>cash read=3E
2025-09-05 10:50:06>>>cash read=29
2025-09-05 10:50:06 >>>回调事件130,cash_status,20029,退钞中
2025-09-05 10:50:07>>>cash read=3E
2025-09-05 10:50:09>>>cash read=00
2025-09-05 10:50:09>>>cash read=2F29
2025-09-05 10:50:11>>>cash read=00
2025-09-05 10:50:12>>>cash read=29
2025-09-05 10:50:12 >>>回调事件130,cash_status,20029,退钞中
2025-09-05 10:50:12>>>cash read=2F29
2025-09-05 10:50:13>>>cash read=01
2025-09-05 10:50:16>>>cash read=2F
2025-09-05 10:50:17>>>cash read=3E
2025-09-05 10:50:18>>>cash read=29
2025-09-05 10:50:18 >>>回调事件130,cash_status,20029,退钞中
2025-09-05 10:50:19>>>cash read=00
2025-09-05 10:50:20>>>cash read=818F40
2025-09-05 10:50:20>>>cash write=02
2025-09-05 10:50:20 >>>回调事件130,cash_status,10022,进钞中...read money=1
2025-09-05 10:50:21>>>cash read=10
2025-09-05 10:50:21 >>>回调事件130,1,10023,finish Money=1,进钞完成
2025-09-05 10:50:21 当前产品价格12元，投币12元，打印小票中...
2025-09-05 10:50:21 >>>开始打印,排队号为2,订单号为2509051049310023460955
2025-09-05 10:50:21>>>订单2509051049310023460955写入成功,剩余空间为1679000,占用RAM为620.7607421875
删除未同步订单2509051049310023460955
2025-09-05 10:50:23>>>订单2509051049310023460955删除成功,剩余空间为1680000,占用RAM为634.7216796875
检测订单目录中>>>
无未同步订单>>>
2025-09-05 10:50:23 >>>当前Ram内存为605.2763671875
定时检测未同步订单启用
2025-09-05 10:50:24>>>cash write=0C
2025-09-05 10:50:24>>>cash read=3E


===10:51:55===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>


===12:20:56===
2025-09-05 12:20:00 >>>回调事件[910,devices/S3460]
2025-09-05 12:20:00 >>>故障排除日志:上一MQTT订单号缓存列表为2509050858500017792192
2025-09-05 12:20:00 >>>故障排除日志:终端未同步成功订单列表
2025-09-05 12:20:00 开始打印,排队:3,票券:2509051219527439366301,订单:2509051219520073900961,[2025-09-05 12:19:58支付宝支付12元]
2025-09-05 12:20:02 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2509051219527439366301","queue_number":3,"trade_uid":"2509051219520073900961"}]}
2025-09-05 12:20:02 >>>故障排除日志:删除未同步下发订单成功2509051219520073900961
2025-09-05 12:20:02 >>>故障排除日志:终端同步成功后剩余订单列表


===13:49:56===
2025-09-05 13:49:28>>>cash read=00
2025-09-05 13:49:29>>>cash read=29
2025-09-05 13:49:29 >>>回调事件130,cash_status,20029,退钞中
2025-09-05 13:49:29>>>cash read=2F29
2025-09-05 13:49:31>>>cash read=3E
2025-09-05 13:49:32>>>cash read=00
2025-09-05 13:49:32>>>cash read=818F42
2025-09-05 13:49:32>>>cash write=02
2025-09-05 13:49:32 >>>回调事件130,cash_status,10022,进钞中...read money=10
2025-09-05 13:49:33>>>cash read=10
2025-09-05 13:49:33 >>>回调事件130,10,10023,finish Money=10,进钞完成
2025-09-05 13:49:34>>>cash write=0C
2025-09-05 13:49:34>>>cash read=00
2025-09-05 13:49:35>>>cash read=818F40
2025-09-05 13:49:35>>>cash write=02
2025-09-05 13:49:35 >>>回调事件130,cash_status,10022,进钞中...read money=1
2025-09-05 13:49:35>>>cash read=10
2025-09-05 13:49:35 >>>回调事件130,1,10023,finish Money=1,进钞完成
2025-09-05 13:49:37>>>cash write=0C
2025-09-05 13:49:37>>>cash read=3E
2025-09-05 13:49:40>>>cash read=00
2025-09-05 13:49:41>>>cash read=818F40
2025-09-05 13:49:41>>>cash write=02
2025-09-05 13:49:41 >>>回调事件130,cash_status,10022,进钞中...read money=1
2025-09-05 13:49:41>>>cash read=10
2025-09-05 13:49:41 >>>回调事件130,1,10023,finish Money=1,进钞完成
2025-09-05 13:49:41 当前产品价格12元，投币12元，打印小票中...
2025-09-05 13:49:41 >>>开始打印,排队号为4,订单号为2509051349350023460882
2025-09-05 13:49:42>>>订单2509051349350023460882写入成功,剩余空间为1679000,占用RAM为621.9521484375
删除未同步订单2509051349350023460882
2025-09-05 13:49:44>>>订单2509051349350023460882删除成功,剩余空间为1679500,占用RAM为634.9462890625
检测订单目录中>>>
无未同步订单>>>
2025-09-05 13:49:44 >>>当前Ram内存为605.33984375
定时检测未同步订单启用
2025-09-05 13:49:45>>>cash write=0C
2025-09-05 13:49:45>>>cash read=3E


===13:50:57===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>


===14:07:57===
2025-09-05 14:07:29>>>cash read=9E
2025-09-05 14:07:31>>>cash read=3E


===15:43:57===
2025-09-05 15:43:41>>>cash read=9E
2025-09-05 15:43:42>>>cash read=3E


===15:46:58===
2025-09-05 15:46:28 >>>回调事件[910,devices/S3460]
2025-09-05 15:46:28 >>>故障排除日志:上一MQTT订单号缓存列表为2509051219520073900961
2025-09-05 15:46:28 >>>故障排除日志:终端未同步成功订单列表
2025-09-05 15:46:28 开始打印,排队:5,票券:2509051546203167022501,订单:2509051546200031266183,[2025-09-05 15:46:27微信支付12元]
2025-09-05 15:46:30 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2509051546203167022501","queue_number":5,"trade_uid":"2509051546200031266183"}]}
2025-09-05 15:46:30 >>>故障排除日志:删除未同步下发订单成功2509051546200031266183
2025-09-05 15:46:30 >>>故障排除日志:终端同步成功后剩余订单列表


===15:56:58===
2025-09-05 15:56:47 >>>回调事件[910,devices/S3460]
2025-09-05 15:56:47 >>>故障排除日志:上一MQTT订单号缓存列表为2509051546200031266183
2025-09-05 15:56:47 >>>故障排除日志:终端未同步成功订单列表
2025-09-05 15:56:47 开始打印,排队:6,票券:2509051556412974235401,订单:2509051556410027530459,[2025-09-05 15:56:46微信支付18元]
2025-09-05 15:56:49 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2509051556412974235401","queue_number":6,"trade_uid":"2509051556410027530459"}]}
2025-09-05 15:56:49 >>>故障排除日志:删除未同步下发订单成功2509051556410027530459
2025-09-05 15:56:50 >>>故障排除日志:终端同步成功后剩余订单列表


===16:34:58===
2025-09-05 16:34:18 >>>回调事件[910,devices/S3460]
2025-09-05 16:34:18 >>>故障排除日志:上一MQTT订单号缓存列表为2509051556410027530459
2025-09-05 16:34:18 >>>故障排除日志:终端未同步成功订单列表
2025-09-05 16:34:18 开始打印,排队:7,票券:2509051634118626428501,订单:2509051634110085852973,[2025-09-05 16:34:18微信支付12元]
2025-09-05 16:34:20 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2509051634118626428501","queue_number":7,"trade_uid":"2509051634110085852973"}]}
2025-09-05 16:34:20 >>>故障排除日志:删除未同步下发订单成功2509051634110085852973
2025-09-05 16:34:20 >>>故障排除日志:终端同步成功后剩余订单列表


===16:44:58===
2025-09-05 16:44:38 >>>回调事件[910,devices/S3460]
2025-09-05 16:44:38 >>>故障排除日志:上一MQTT订单号缓存列表为2509051634110085852973
2025-09-05 16:44:38 >>>故障排除日志:终端未同步成功订单列表
2025-09-05 16:44:39 开始打印,排队:8,票券:2509051644335303005901,订单:2509051644330052650581,[2025-09-05 16:44:38支付宝支付12元]
2025-09-05 16:44:41 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2509051644335303005901","queue_number":8,"trade_uid":"2509051644330052650581"}]}
2025-09-05 16:44:41 >>>故障排除日志:删除未同步下发订单成功2509051644330052650581
2025-09-05 16:44:41 >>>故障排除日志:终端同步成功后剩余订单列表


===17:17:59===
2025-09-05 17:17:11 >>>回调事件[910,devices/S3460]
2025-09-05 17:17:11 >>>故障排除日志:上一MQTT订单号缓存列表为2509051644330052650581
2025-09-05 17:17:11 >>>故障排除日志:终端未同步成功订单列表
2025-09-05 17:17:11 开始打印,排队:9,票券:2509051717055507532901,订单:2509051717050054706525,[2025-09-05 17:17:11微信支付12元]
2025-09-05 17:17:13 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2509051717055507532901","queue_number":9,"trade_uid":"2509051717050054706525"}]}
2025-09-05 17:17:13 >>>故障排除日志:删除未同步下发订单成功2509051717050054706525
2025-09-05 17:17:13 >>>故障排除日志:终端同步成功后剩余订单列表


===18:14:59===
2025-09-05 18:14:14 >>>回调事件[910,devices/S3460]
2025-09-05 18:14:14 >>>故障排除日志:上一MQTT订单号缓存列表为2509051717050054706525
2025-09-05 18:14:14 >>>故障排除日志:终端未同步成功订单列表
2025-09-05 18:14:14 开始打印,排队:10,票券:2509051814069196363701,订单:2509051814060091567998,[2025-09-05 18:14:13微信支付12元]
2025-09-05 18:14:17 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2509051814069196363701","queue_number":10,"trade_uid":"2509051814060091567998"}]}
2025-09-05 18:14:17 >>>故障排除日志:删除未同步下发订单成功2509051814060091567998
2025-09-05 18:14:17 >>>故障排除日志:终端同步成功后剩余订单列表


===18:43:00===
2025-09-05 18:42:18 >>>回调事件[910,devices/S3460]
2025-09-05 18:42:18 >>>故障排除日志:上一MQTT订单号缓存列表为2509051814060091567998
2025-09-05 18:42:18 >>>故障排除日志:终端未同步成功订单列表
2025-09-05 18:42:18 开始打印,排队:11,票券:2509051842108702704101,订单:2509051842100086596881,[2025-09-05 18:42:18微信支付12元]
2025-09-05 18:42:20 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2509051842108702704101","queue_number":11,"trade_uid":"2509051842100086596881"}]}
2025-09-05 18:42:20 >>>故障排除日志:删除未同步下发订单成功2509051842100086596881
2025-09-05 18:42:20 >>>故障排除日志:终端同步成功后剩余订单列表


===19:03:00===
2025-09-05 19:02:26 >>>回调事件[910,devices/S3460]
2025-09-05 19:02:26 >>>故障排除日志:上一MQTT订单号缓存列表为2509051842100086596881
2025-09-05 19:02:26 >>>故障排除日志:终端未同步成功订单列表
2025-09-05 19:02:26 开始打印,排队:12,票券:2509051902197957716101,订单:2509051902190079177652,[2025-09-05 19:02:26微信支付12元]
2025-09-05 19:02:28 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2509051902197957716101","queue_number":12,"trade_uid":"2509051902190079177652"}]}
2025-09-05 19:02:28 >>>故障排除日志:删除未同步下发订单成功2509051902190079177652
2025-09-05 19:02:28 >>>故障排除日志:终端同步成功后剩余订单列表


===19:04:00===
2025-09-05 19:03:41 >>>回调事件[910,devices/S3460]
2025-09-05 19:03:41 >>>故障排除日志:上一MQTT订单号缓存列表为2509051902190079177652
2025-09-05 19:03:41 >>>故障排除日志:终端未同步成功订单列表
2025-09-05 19:03:41 开始打印,排队:13,票券:2509051903344609472701,订单:2509051903340045686281,[2025-09-05 19:03:40微信支付12元]
2025-09-05 19:03:43 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2509051903344609472701","queue_number":13,"trade_uid":"2509051903340045686281"}]}
2025-09-05 19:03:43 >>>故障排除日志:删除未同步下发订单成功2509051903340045686281
2025-09-05 19:03:44 >>>故障排除日志:终端同步成功后剩余订单列表


===19:08:01===
2025-09-05 19:07:36 >>>回调事件[910,devices/S3460]
2025-09-05 19:07:36 >>>故障排除日志:上一MQTT订单号缓存列表为2509051903340045686281
2025-09-05 19:07:36 >>>故障排除日志:终端未同步成功订单列表
2025-09-05 19:07:36 开始打印,排队:14,票券:2509051907297065707201,订单:2509051907290070185454,[2025-09-05 19:07:34微信支付12元]
2025-09-05 19:07:38 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2509051907297065707201","queue_number":14,"trade_uid":"2509051907290070185454"}]}
2025-09-05 19:07:38 >>>故障排除日志:删除未同步下发订单成功2509051907290070185454
2025-09-05 19:07:38 >>>故障排除日志:终端同步成功后剩余订单列表


===19:12:01===
2025-09-05 19:11:10>>>cash read=9E
2025-09-05 19:11:11>>>cash read=3E


===19:35:01===
2025-09-05 19:34:45 >>>回调事件[910,devices/S3460]
2025-09-05 19:34:45 >>>故障排除日志:上一MQTT订单号缓存列表为2509051907290070185454
2025-09-05 19:34:45 >>>故障排除日志:终端未同步成功订单列表
2025-09-05 19:34:45 开始打印,排队:15,票券:2509051934333150685101,订单:2509051934330031099187,[2025-09-05 19:34:43微信支付12元]
2025-09-05 19:34:47 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2509051934333150685101","queue_number":15,"trade_uid":"2509051934330031099187"}]}
2025-09-05 19:34:47 >>>故障排除日志:删除未同步下发订单成功2509051934330031099187
2025-09-05 19:34:47 >>>故障排除日志:终端同步成功后剩余订单列表


===20:09:02===
2025-09-05 20:08:50>>>cash read=0A
2025-09-05 20:08:51>>>cash read=3E


===20:29:04===
2025-09-05 20:29:01 >>>回调事件[910,devices/S3460]
2025-09-05 20:29:01 >>>故障排除日志:上一MQTT订单号缓存列表为2509051934330031099187
2025-09-05 20:29:01 >>>故障排除日志:终端未同步成功订单列表
2025-09-05 20:29:01 开始打印,排队:16,票券:2509052028537481024301,订单:2509052028530074425564,[2025-09-05 20:29:00微信支付12元]


===20:41:04===
2025-09-05 20:40:39 >>>回调事件[910,devices/S3460]
2025-09-05 20:40:39 >>>故障排除日志:上一MQTT订单号缓存列表为2509052028530074425564
2025-09-05 20:40:39 >>>故障排除日志:终端未同步成功订单列表
2025-09-05 20:40:39 开始打印,排队:17,票券:2509052040281562575701,订单:2509052040280015169436,[2025-09-05 20:40:38微信支付12元]
2025-09-05 20:40:41 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2509052040281562575701","queue_number":17,"trade_uid":"2509052040280015169436"}]}
2025-09-05 20:40:41 >>>故障排除日志:删除未同步下发订单成功2509052040280015169436
2025-09-05 20:40:41 >>>故障排除日志:终端同步成功后剩余订单列表


===21:09:05===
2025-09-05 21:08:35 >>>回调事件[910,devices/S3460]
2025-09-05 21:08:35 >>>故障排除日志:上一MQTT订单号缓存列表为2509052040280015169436
2025-09-05 21:08:35 >>>故障排除日志:终端未同步成功订单列表
2025-09-05 21:08:35 开始打印,排队:18,票券:2509052108263822972301,订单:2509052108260037834165,[2025-09-05 21:08:33微信支付12元]
2025-09-05 21:08:37 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2509052108263822972301","queue_number":18,"trade_uid":"2509052108260037834165"}]}
2025-09-05 21:08:37 >>>故障排除日志:删除未同步下发订单成功2509052108260037834165
2025-09-05 21:08:37 >>>故障排除日志:终端同步成功后剩余订单列表


===21:18:05===
2025-09-05 21:17:41 >>>回调事件[910,devices/S3460]
2025-09-05 21:17:41 >>>故障排除日志:上一MQTT订单号缓存列表为2509052108260037834165
2025-09-05 21:17:41 >>>故障排除日志:终端未同步成功订单列表
2025-09-05 21:17:41 开始打印,排队:19,票券:2509052117374429113801,订单:2509052117370043872519,[2025-09-05 21:17:41支付宝支付12元]
2025-09-05 21:17:43 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2509052117374429113801","queue_number":19,"trade_uid":"2509052117370043872519"}]}
2025-09-05 21:17:43 >>>故障排除日志:删除未同步下发订单成功2509052117370043872519
2025-09-05 21:17:43 >>>故障排除日志:终端同步成功后剩余订单列表