TLClient_JSSCOM_LuatOS-Air_V4010_RDA8910_RFTTS_0xe0000,2.7.9,869701076551830,04155524824377,
poweron reason:0
===08:58:37===
上一时间戳为1768357292
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":null,"ticket_category":"0","expiry_date":90,"product_detail":"","time_limit_status":"0","begin_minute":null,"product_uid":"822059426285625523","use_timer":1,"old_price":"10","end_hour":null,"sale_price":"10","end_minute":null,"begin_hour":null,"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
当前号显示模式设置为1
当前卡项核销权限设置为0
session_id:c86ee****964a2
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[2.7.9]
定时检测未同步订单启用
2026-01-15 08:57:36>>>cash write=30
2026-01-15 08:57:36>>>cash write=02
2026-01-15 08:57:36>>>cash write=3E
2026-01-15 08:57:36>>>cash read=808F808F
系统时间初始化成功，时间为202611585736
2026-01-15 08:57:37>>>cash write=02
2026-01-15 08:57:37 >>>剩余flash空间=1680500,占用RAM为639.6484375
2026-01-15 08:57:37 >>>回调事件:910,subscribe,10000,连接服务器成功
请求下发消息结果为0,Message sent successfully
2026-01-15 08:57:38 >>>回调事件[910,devices/TL4607]
当日首次设置时间戳true为1768438658
2026-01-15 08:57:38 >>>故障排除日志:上一MQTT订单号缓存列表为2601142026150027511189
2026-01-15 08:57:38 >>>故障排除日志:终端未同步成功订单列表
2026-01-15 08:57:38 开始打印,排队:1,票券:2601150856453541949101,订单:2601150856450032472915,[2026-01-15 08:56:53微信支付10元]
2026-01-15 08:57:40 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2601150856453541949101","queue_number":1,"trade_uid":"2601150856450032472915"}]}
2026-01-15 08:57:40 >>>故障排除日志:删除未同步下发订单成功2601150856450032472915
2026-01-15 08:57:40 >>>故障排除日志:终端同步成功后剩余订单列表
流量卡还有257天过期
2026-01-15 08:57:41>>>cash write=0C
2026-01-15 08:57:41>>>cash read=3E
2026-01-15 08:57:48 >>>当前Ram内存为660.6748046875
===08:59:37===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===09:18:37===
2026-01-15 09:17:48 >>>回调事件[910,devices/TL4607]
2026-01-15 09:17:48 >>>故障排除日志:上一MQTT订单号缓存列表为2601150856450032472915
2026-01-15 09:17:48 >>>故障排除日志:终端未同步成功订单列表
2026-01-15 09:17:49 开始打印,排队:2,票券:2601150917307807967301,订单:2601150917300076252486,[2026-01-15 09:17:49微信支付10元]
2026-01-15 09:17:50 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2601150917307807967301","queue_number":2,"trade_uid":"2601150917300076252486"}]}
2026-01-15 09:17:50 >>>故障排除日志:删除未同步下发订单成功2601150917300076252486
2026-01-15 09:17:51 >>>故障排除日志:终端同步成功后剩余订单列表
===09:42:38===
2026-01-15 09:42:14>>>cash read=00
2026-01-15 09:42:16>>>cash read=01
2026-01-15 09:42:17>>>cash read=00
2026-01-15 09:42:17>>>cash read=2F29
2026-01-15 09:42:18>>>cash read=00
2026-01-15 09:42:19>>>cash read=818F42
2026-01-15 09:42:19>>>cash write=02
2026-01-15 09:42:19 >>>回调事件130,cash_status,10022,进钞中...read money=10
2026-01-15 09:42:20>>>cash read=10
2026-01-15 09:42:20 >>>回调事件130,10,10023,finish Money=10,进钞完成
2026-01-15 09:42:20 当前产品价格10元，投币10元，打印小票中...
2026-01-15 09:42:20 >>>开始打印,排队号为3,订单号为2601150942200014607746
2026-01-15 09:42:20>>>订单2601150942200014607746写入成功,剩余空间为1679500,占用RAM为622.5654296875
删除未同步订单2601150942200014607746
2026-01-15 09:42:22>>>订单2601150942200014607746删除成功,剩余空间为1680500,占用RAM为632.71484375
检测订单目录中>>>
无未同步订单>>>
2026-01-15 09:42:22 >>>当前Ram内存为606.0263671875
定时检测未同步订单启用
2026-01-15 09:42:23>>>cash write=0C
2026-01-15 09:42:23>>>cash read=3E
===09:43:38===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===10:18:38===
2026-01-15 10:17:44 >>>回调事件[910,devices/TL4607]
2026-01-15 10:17:44 >>>故障排除日志:上一MQTT订单号缓存列表为2601150917300076252486
2026-01-15 10:17:44 >>>故障排除日志:终端未同步成功订单列表
2026-01-15 10:17:44 开始打印,排队:4,票券:2601151017371212475201,订单:2601151017370010249156,[2026-01-15 10:17:43微信支付10元]
2026-01-15 10:17:45 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2601151017371212475201","queue_number":4,"trade_uid":"2601151017370010249156"}]}
2026-01-15 10:17:45 >>>故障排除日志:删除未同步下发订单成功2601151017370010249156
2026-01-15 10:17:46 >>>故障排除日志:终端同步成功后剩余订单列表
===10:41:38===
2026-01-15 10:40:42 >>>回调事件[910,devices/TL4607]
2026-01-15 10:40:42 >>>故障排除日志:上一MQTT订单号缓存列表为2601151017370010249156
2026-01-15 10:40:42 >>>故障排除日志:终端未同步成功订单列表
2026-01-15 10:40:42 开始打印,排队:5,票券:2601151040289380374801,订单:2601151040280092012685,[2026-01-15 10:40:42微信支付10元]
2026-01-15 10:40:44 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2601151040289380374801","queue_number":5,"trade_uid":"2601151040280092012685"}]}
2026-01-15 10:40:44 >>>故障排除日志:删除未同步下发订单成功2601151040280092012685
2026-01-15 10:40:44 >>>故障排除日志:终端同步成功后剩余订单列表
===13:09:38===
2026-01-15 13:09:27 >>>回调事件[910,devices/TL4607]
2026-01-15 13:09:27 >>>故障排除日志:上一MQTT订单号缓存列表为2601151040280092012685
2026-01-15 13:09:27 >>>故障排除日志:终端未同步成功订单列表
2026-01-15 13:09:27 开始打印,排队:6,票券:2601151309188162355901,订单:2601151309180079643016,[2026-01-15 13:09:26微信支付10元]
2026-01-15 13:09:29 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2601151309188162355901","queue_number":6,"trade_uid":"2601151309180079643016"}]}
2026-01-15 13:09:29 >>>故障排除日志:删除未同步下发订单成功2601151309180079643016
2026-01-15 13:09:29 >>>故障排除日志:终端同步成功后剩余订单列表
===13:14:39===
2026-01-15 13:13:54>>>cash read=00
2026-01-15 13:13:55>>>cash read=29
2026-01-15 13:13:55 >>>回调事件130,cash_status,20029,退钞中
2026-01-15 13:13:56>>>cash read=2F29
2026-01-15 13:13:57>>>cash read=01
2026-01-15 13:13:57>>>cash read=2F
2026-01-15 13:13:58>>>cash read=3E
2026-01-15 13:14:01>>>cash read=00
2026-01-15 13:14:01>>>cash read=2F29
2026-01-15 13:14:02>>>cash read=01
2026-01-15 13:14:06>>>cash read=2F
2026-01-15 13:14:07>>>cash read=00
2026-01-15 13:14:08>>>cash read=2F29
2026-01-15 13:14:09>>>cash read=01
2026-01-15 13:14:14>>>cash read=2F
2026-01-15 13:14:15>>>cash read=3E
2026-01-15 13:14:19>>>cash read=00
2026-01-15 13:14:20>>>cash read=01
2026-01-15 13:14:25>>>cash read=3E
2026-01-15 13:14:27>>>cash read=00
2026-01-15 13:14:28>>>cash read=818F42
2026-01-15 13:14:28>>>cash write=02
2026-01-15 13:14:28 >>>回调事件130,cash_status,10022,进钞中...read money=10
2026-01-15 13:14:29>>>cash read=10
2026-01-15 13:14:29 >>>回调事件130,10,10023,finish Money=10,进钞完成
2026-01-15 13:14:29 当前产品价格10元，投币10元，打印小票中...
2026-01-15 13:14:29 >>>开始打印,排队号为7,订单号为2601151314290014607478
2026-01-15 13:14:29>>>订单2601151314290014607478写入成功,剩余空间为1679000,占用RAM为625.265625
删除未同步订单2601151314290014607478
2026-01-15 13:14:31>>>订单2601151314290014607478删除成功,剩余空间为1680000,占用RAM为634.19140625
检测订单目录中>>>
无未同步订单>>>
2026-01-15 13:14:31 >>>当前Ram内存为606.505859375
定时检测未同步订单启用
2026-01-15 13:14:32>>>cash write=0C
2026-01-15 13:14:32>>>cash read=3E
===13:15:39===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===13:25:39===
2026-01-15 13:25:23>>>cash read=00
2026-01-15 13:25:24>>>cash read=818F41
2026-01-15 13:25:24>>>cash write=02
2026-01-15 13:25:24 >>>回调事件130,cash_status,10022,进钞中...read money=5
2026-01-15 13:25:24>>>cash read=10
2026-01-15 13:25:24 >>>回调事件130,5,10023,finish Money=5,进钞完成
2026-01-15 13:25:25>>>cash write=0C
2026-01-15 13:25:25>>>cash read=00
2026-01-15 13:25:26>>>cash read=818F41
2026-01-15 13:25:26>>>cash write=02
2026-01-15 13:25:26 >>>回调事件130,cash_status,10022,进钞中...read money=5
2026-01-15 13:25:26>>>cash read=10
2026-01-15 13:25:26 >>>回调事件130,5,10023,finish Money=5,进钞完成
2026-01-15 13:25:26 当前产品价格10元，投币10元，打印小票中...
2026-01-15 13:25:27 >>>开始打印,排队号为8,订单号为2601151325240014607308
2026-01-15 13:25:27>>>订单2601151325240014607308写入成功,剩余空间为1679500,占用RAM为623.626953125
删除未同步订单2601151325240014607308
2026-01-15 13:25:29>>>订单2601151325240014607308删除成功,剩余空间为1680500,占用RAM为634.271484375
检测订单目录中>>>
无未同步订单>>>
2026-01-15 13:25:29 >>>当前Ram内存为606.064453125
定时检测未同步订单启用
2026-01-15 13:25:30>>>cash write=0C
2026-01-15 13:25:30>>>cash read=3E
===13:26:39===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===13:37:40===
2026-01-15 13:37:01 >>>回调事件[910,devices/TL4607]
2026-01-15 13:37:01 >>>故障排除日志:上一MQTT订单号缓存列表为2601151309180079643016
2026-01-15 13:37:01 >>>故障排除日志:终端未同步成功订单列表
2026-01-15 13:37:01 开始打印,排队:9,票券:2601151336537633616101,订单:2601151336530074261474,[2026-01-15 13:37:00微信支付10元]
2026-01-15 13:37:03 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2601151336537633616101","queue_number":9,"trade_uid":"2601151336530074261474"}]}
2026-01-15 13:37:03 >>>故障排除日志:删除未同步下发订单成功2601151336530074261474
2026-01-15 13:37:03 >>>故障排除日志:终端同步成功后剩余订单列表
===13:53:40===
2026-01-15 13:52:46>>>cash read=00
2026-01-15 13:52:48>>>cash read=2F29
2026-01-15 13:52:50>>>cash read=3E
2026-01-15 13:52:51>>>cash read=00
2026-01-15 13:52:52>>>cash read=818F42
2026-01-15 13:52:52>>>cash write=02
2026-01-15 13:52:52 >>>回调事件130,cash_status,10022,进钞中...read money=10
2026-01-15 13:52:52>>>cash read=10
2026-01-15 13:52:52 >>>回调事件130,10,10023,finish Money=10,进钞完成
2026-01-15 13:52:52 当前产品价格10元，投币10元，打印小票中...
2026-01-15 13:52:52 >>>开始打印,排队号为10,订单号为2601151352520014607632
2026-01-15 13:52:52>>>订单2601151352520014607632写入成功,剩余空间为1679500,占用RAM为624.73046875
删除未同步订单2601151352520014607632
2026-01-15 13:52:54>>>订单2601151352520014607632删除成功,剩余空间为1680500,占用RAM为631.8017578125
检测订单目录中>>>
无未同步订单>>>
2026-01-15 13:52:54 >>>当前Ram内存为605.14453125
定时检测未同步订单启用
2026-01-15 13:52:55>>>cash write=0C
2026-01-15 13:52:56>>>cash read=3E
===13:54:40===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===14:02:40===
2026-01-15 14:02:06 >>>回调事件[910,devices/TL4607]
2026-01-15 14:02:06 >>>故障排除日志:上一MQTT订单号缓存列表为2601151336530074261474
2026-01-15 14:02:06 >>>故障排除日志:终端未同步成功订单列表
2026-01-15 14:02:06 开始打印,排队:11,票券:2601151401589682763401,订单:2601151401580094909073,[2026-01-15 14:02:06微信支付10元]
2026-01-15 14:02:08 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2601151401589682763401","queue_number":11,"trade_uid":"2601151401580094909073"}]}
2026-01-15 14:02:08 >>>故障排除日志:删除未同步下发订单成功2601151401580094909073
2026-01-15 14:02:08 >>>故障排除日志:终端同步成功后剩余订单列表
===14:23:42===
2026-01-15 14:23:38 >>>回调事件[910,devices/TL4607]
2026-01-15 14:23:38 >>>故障排除日志:上一MQTT订单号缓存列表为2601151401580094909073
2026-01-15 14:23:38 >>>故障排除日志:终端未同步成功订单列表
2026-01-15 14:23:38 开始打印,排队:12,票券:2601151423298053492701,订单:2601151423290078596326,[2026-01-15 14:23:38微信支付10元]
===15:04:42===
2026-01-15 15:03:50>>>cash read=00
2026-01-15 15:03:51>>>cash read=818F42
2026-01-15 15:03:51>>>cash write=02
2026-01-15 15:03:51 >>>回调事件130,cash_status,10022,进钞中...read money=10
2026-01-15 15:03:51>>>cash read=10
2026-01-15 15:03:51 >>>回调事件130,10,10023,finish Money=10,进钞完成
2026-01-15 15:03:51 当前产品价格10元，投币10元，打印小票中...
2026-01-15 15:03:51 >>>开始打印,排队号为13,订单号为2601151503510014607601
2026-01-15 15:03:51>>>订单2601151503510014607601写入成功,剩余空间为1680000,占用RAM为622.310546875
删除未同步订单2601151503510014607601
2026-01-15 15:03:53>>>订单2601151503510014607601删除成功,剩余空间为1680500,占用RAM为631.4931640625
检测订单目录中>>>
无未同步订单>>>
2026-01-15 15:03:53 >>>当前Ram内存为605.0263671875
定时检测未同步订单启用
2026-01-15 15:03:54>>>cash write=0C
2026-01-15 15:03:55>>>cash read=3E
===15:05:42===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===15:09:43===
2026-01-15 15:09:24 >>>回调事件[910,devices/TL4607]
2026-01-15 15:09:24 >>>故障排除日志:上一MQTT订单号缓存列表为2601151423290078596326
2026-01-15 15:09:24 >>>故障排除日志:终端未同步成功订单列表
2026-01-15 15:09:24 开始打印,排队:14,票券:2601151509165677053401,订单:2601151509160054705225,[2026-01-15 15:09:24微信支付10元]
2026-01-15 15:09:26 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2601151509165677053401","queue_number":14,"trade_uid":"2601151509160054705225"}]}
2026-01-15 15:09:26 >>>故障排除日志:删除未同步下发订单成功2601151509160054705225
2026-01-15 15:09:26 >>>故障排除日志:终端同步成功后剩余订单列表
===17:18:43===
2026-01-15 17:18:08>>>cash read=0A
2026-01-15 17:18:09>>>cash read=3E
===18:01:43===
2026-01-15 18:00:52>>>cash read=00
2026-01-15 18:00:53>>>cash read=818F42
2026-01-15 18:00:53>>>cash write=02
2026-01-15 18:00:53 >>>回调事件130,cash_status,10022,进钞中...read money=10
2026-01-15 18:00:54>>>cash read=10
2026-01-15 18:00:54 >>>回调事件130,10,10023,finish Money=10,进钞完成
2026-01-15 18:00:54 当前产品价格10元，投币10元，打印小票中...
2026-01-15 18:00:54 >>>开始打印,排队号为15,订单号为2601151800540014607831
2026-01-15 18:00:54>>>订单2601151800540014607831写入成功,剩余空间为1680000,占用RAM为620.6982421875
删除未同步订单2601151800540014607831
2026-01-15 18:00:56>>>订单2601151800540014607831删除成功,剩余空间为1680500,占用RAM为629.884765625
检测订单目录中>>>
无未同步订单>>>
2026-01-15 18:00:56 >>>当前Ram内存为603.4326171875
定时检测未同步订单启用
2026-01-15 18:00:57>>>cash write=0C
2026-01-15 18:00:57>>>cash read=3E
===18:02:43===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===18:13:44===
2026-01-15 18:12:46>>>cash read=00
2026-01-15 18:12:46>>>cash read=818F42
2026-01-15 18:12:46>>>cash write=02
2026-01-15 18:12:46 >>>回调事件130,cash_status,10022,进钞中...read money=10
2026-01-15 18:12:47>>>cash read=10
2026-01-15 18:12:47 >>>回调事件130,10,10023,finish Money=10,进钞完成
2026-01-15 18:12:47 当前产品价格10元，投币10元，打印小票中...
2026-01-15 18:12:47 >>>开始打印,排队号为16,订单号为2601151812470014607004
2026-01-15 18:12:47>>>订单2601151812470014607004写入成功,剩余空间为1680000,占用RAM为620.9482421875
删除未同步订单2601151812470014607004
2026-01-15 18:12:49>>>订单2601151812470014607004删除成功,剩余空间为1680500,占用RAM为630.134765625
检测订单目录中>>>
无未同步订单>>>
2026-01-15 18:12:49 >>>当前Ram内存为603.6640625
定时检测未同步订单启用
2026-01-15 18:12:50>>>cash write=0C
2026-01-15 18:12:50>>>cash read=3E
===18:14:44===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===18:28:44===
2026-01-15 18:28:05 >>>回调事件[910,devices/TL4607]
2026-01-15 18:28:05 >>>故障排除日志:上一MQTT订单号缓存列表为2601151509160054705225
2026-01-15 18:28:05 >>>故障排除日志:终端未同步成功订单列表
2026-01-15 18:28:05 开始打印,排队:17,票券:2601151827535111399201,订单:2601151827530049253453,[2026-01-15 18:28:05微信支付10元]
2026-01-15 18:28:07 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2601151827535111399201","queue_number":17,"trade_uid":"2601151827530049253453"}]}
2026-01-15 18:28:07 >>>故障排除日志:删除未同步下发订单成功2601151827530049253453
2026-01-15 18:28:07 >>>故障排除日志:终端同步成功后剩余订单列表
===19:06:44===
2026-01-15 19:06:18 >>>回调事件[910,devices/TL4607]
2026-01-15 19:06:18 >>>故障排除日志:上一MQTT订单号缓存列表为2601151827530049253453
2026-01-15 19:06:18 >>>故障排除日志:终端未同步成功订单列表
2026-01-15 19:06:18 开始打印,排队:18,票券:2601151906115834312601,订单:2601151906110056460254,[2026-01-15 19:06:17微信支付10元]
2026-01-15 19:06:20 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2601151906115834312601","queue_number":18,"trade_uid":"2601151906110056460254"}]}
2026-01-15 19:06:20 >>>故障排除日志:删除未同步下发订单成功2601151906110056460254
2026-01-15 19:06:20 >>>故障排除日志:终端同步成功后剩余订单列表
===19:17:45===
2026-01-15 19:17:33 >>>回调事件[910,devices/TL4607]
2026-01-15 19:17:33 >>>故障排除日志:上一MQTT订单号缓存列表为2601151906110056460254
2026-01-15 19:17:33 >>>故障排除日志:终端未同步成功订单列表
2026-01-15 19:17:33 开始打印,排队:19,票券:2601151917264863194601,订单:2601151917260046426683,[2026-01-15 19:17:33微信支付10元]
2026-01-15 19:17:35 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2601151917264863194601","queue_number":19,"trade_uid":"2601151917260046426683"}]}
2026-01-15 19:17:35 >>>故障排除日志:删除未同步下发订单成功2601151917260046426683
2026-01-15 19:17:35 >>>故障排除日志:终端同步成功后剩余订单列表
===19:18:45===
2026-01-15 19:18:42>>>cash read=00
2026-01-15 19:18:43>>>cash read=818F42
2026-01-15 19:18:43>>>cash write=02
2026-01-15 19:18:43 >>>回调事件130,cash_status,10022,进钞中...read money=10
===19:19:45===
2026-01-15 19:18:43>>>cash read=10
2026-01-15 19:18:43 >>>回调事件130,10,10023,finish Money=10,进钞完成
2026-01-15 19:18:43 当前产品价格10元，投币10元，打印小票中...
2026-01-15 19:18:43 >>>开始打印,排队号为20,订单号为2601151918430014607334
2026-01-15 19:18:44>>>订单2601151918430014607334写入成功,剩余空间为1680500,占用RAM为623.2587890625
删除未同步订单2601151918430014607334
2026-01-15 19:18:46>>>订单2601151918430014607334删除成功,剩余空间为1681000,占用RAM为629.3603515625
检测订单目录中>>>
无未同步订单>>>
2026-01-15 19:18:46 >>>当前Ram内存为603.0302734375
定时检测未同步订单启用
2026-01-15 19:18:47>>>cash write=0C
2026-01-15 19:18:47>>>cash read=3E
===19:20:45===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===19:23:45===
2026-01-15 19:23:03 >>>回调事件[910,devices/TL4607]
2026-01-15 19:23:03 >>>故障排除日志:上一MQTT订单号缓存列表为2601151917260046426683
2026-01-15 19:23:03 >>>故障排除日志:终端未同步成功订单列表
2026-01-15 19:23:03 开始打印,排队:21,票券:2601151922580046907201,订单:2601151922570097999089,[2026-01-15 19:23:03微信支付10元]
2026-01-15 19:23:05 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2601151922580046907201","queue_number":21,"trade_uid":"2601151922570097999089"}]}
2026-01-15 19:23:05 >>>故障排除日志:删除未同步下发订单成功2601151922570097999089
2026-01-15 19:23:05 >>>故障排除日志:终端同步成功后剩余订单列表