TLClient_JSSCOM_LuatOS-Air_V4010_RDA8910_RFTTS_0xe0000,2.3.0,861658065647805,69389664662196,
poweron reason:0
===08:16:54===
上一时间戳为1714522599
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":"4351590954437818922","use_timer":1,"old_price":"10","end_hour":null,"sale_price":"10","end_minute":null,"begin_hour":null,"sale_status":1,"product_name":"理发"}]
是否打印二维码设置为1
是否打印紧凑设置为3
session_id:b4a62****59cb3
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[2.3.0]
定时检测未同步订单启用
2024-05-02 08:15:54>>>cash write=30
2024-05-02 08:15:54>>>cash write=02
2024-05-02 08:15:54>>>cash write=3E
2024-05-02 08:15:54>>>cash read=808F808F808F
系统时间初始化成功，时间为20245281554
2024-05-02 08:15:55>>>cash write=02
2024-05-02 08:15:55 >>>剩余flash空间=1680500,占用RAM为612.7431640625
2024-05-02 08:15:55 >>>回调事件:910,subscribe,10000,连接服务器成功
2024-05-02 08:15:56 >>>剩余flash空间=1680000,占用RAM为587.4140625
2024-05-02 08:15:56 >>>回调事件:911,GetMqttQueue,500,暂无需要下发的信息，请求类型：ticket
2024-05-02 08:15:58>>>cash write=0C
2024-05-02 08:15:58>>>cash read=00
2024-05-02 08:15:58>>>cash read=818F42
2024-05-02 08:15:58>>>cash write=02
2024-05-02 08:15:58 >>>回调事件130,cash_status,10022,进钞中...read money=10
2024-05-02 08:15:59>>>cash read=10
2024-05-02 08:15:59 >>>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1714608959
2024-05-02 08:15:59 >>>开始打印,排队号为1,订单号为2405020815590022793155
定时检测未同步订单关闭
2024-05-02 08:15:59>>>订单2405020815590022793155写入成功,剩余空间为1678500,占用RAM为605.3349609375
流量卡还有58天过期
删除未同步订单2405020815590022793155
2024-05-02 08:16:01>>>订单2405020815590022793155删除成功,剩余空间为1679500,占用RAM为611.9111328125
检测订单目录中>>>
无未同步订单>>>
2024-05-02 08:16:01 >>>当前Ram内存为580.7724609375
定时检测未同步订单启用
2024-05-02 08:16:01 收到下发指令:叫号1>>>
2024-05-02 08:16:02 >>>当前Ram内存为583.376953125
2024-05-02 08:16:03>>>cash write=0C
2024-05-02 08:16:03>>>cash read=3E
===08:17:55===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===08:19:55===
2024-05-02 08:19:41 >>>回调事件[910,devices/TL2279]
2024-05-02 08:19:41 >>>故障排除日志:上一MQTT订单号缓存列表为24050119363932568565
2024-05-02 08:19:41 >>>故障排除日志:终端未同步成功订单列表
2024-05-02 08:19:41 开始打印,排队:2,票券:2405020819319367949501,订单:24050208193193672686,[2024-05-02 08:19:31微信支付10元]
2024-05-02 08:19:43 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2405020819319367949501","queue_number":2,"trade_uid":"24050208193193672686"}]}
2024-05-02 08:19:43 >>>故障排除日志:删除未同步下发订单成功24050208193193672686
2024-05-02 08:19:43 >>>故障排除日志:终端同步成功后剩余订单列表
2024-05-02 08:19:48 >>>回调事件[910,devices/TL2279]
2024-05-02 08:19:48 >>>故障排除日志:上一MQTT订单号缓存列表为24050208193193672686
2024-05-02 08:19:48 >>>故障排除日志:终端未同步成功订单列表
2024-05-02 08:19:48 开始打印,排队:3,票券:2405020819335264945401,订单:24050208193352641727,[2024-05-02 08:19:33微信支付10元]
2024-05-02 08:19:50 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2405020819335264945401","queue_number":3,"trade_uid":"24050208193352641727"}]}
2024-05-02 08:19:50 >>>故障排除日志:删除未同步下发订单成功24050208193352641727
2024-05-02 08:19:50 >>>故障排除日志:终端同步成功后剩余订单列表
===08:50:55===
2024-05-02 08:50:41 >>>回调事件[910,devices/TL2279]
2024-05-02 08:50:41 >>>故障排除日志:上一MQTT订单号缓存列表为24050208193352641727
2024-05-02 08:50:41 >>>故障排除日志:终端未同步成功订单列表
2024-05-02 08:50:41 开始打印,排队:4,票券:2405020850181673662401,订单:24050208501816729502,[2024-05-02 08:50:18支付宝支付10元]
2024-05-02 08:50:43 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2405020850181673662401","queue_number":4,"trade_uid":"24050208501816729502"}]}
2024-05-02 08:50:43 >>>故障排除日志:删除未同步下发订单成功24050208501816729502
2024-05-02 08:50:43 >>>故障排除日志:终端同步成功后剩余订单列表
===09:25:55===
2024-05-02 09:25:44>>>cash read=00
2024-05-02 09:25:44>>>cash read=818F42
2024-05-02 09:25:44>>>cash write=02
2024-05-02 09:25:44 >>>回调事件130,cash_status,10022,进钞中...read money=10
2024-05-02 09:25:45>>>cash read=10
2024-05-02 09:25:45 >>>回调事件130,10,10023,finish Money=10,进钞完成
2024-05-02 09:25:45 >>>开始打印,排队号为5,订单号为2405020925450022794262
2024-05-02 09:25:45>>>订单2405020925450022794262写入成功,剩余空间为1680500,占用RAM为596.92578125
删除未同步订单2405020925450022794262
2024-05-02 09:25:47>>>订单2405020925450022794262删除成功,剩余空间为1680500,占用RAM为604.7548828125
检测订单目录中>>>
无未同步订单>>>
2024-05-02 09:25:47 >>>当前Ram内存为578.4169921875
定时检测未同步订单启用
2024-05-02 09:25:48>>>cash write=0C
2024-05-02 09:25:48>>>cash read=3E
===09:26:55===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===09:42:56===
2024-05-02 09:42:12>>>cash read=00
2024-05-02 09:42:12>>>cash read=818F42
2024-05-02 09:42:12>>>cash write=02
2024-05-02 09:42:12 >>>回调事件130,cash_status,10022,进钞中...read money=10
2024-05-02 09:42:13>>>cash read=10
2024-05-02 09:42:13 >>>回调事件130,10,10023,finish Money=10,进钞完成
2024-05-02 09:42:13 >>>开始打印,排队号为6,订单号为2405020942130022797732
2024-05-02 09:42:13>>>订单2405020942130022797732写入成功,剩余空间为1680500,占用RAM为595.7548828125
删除未同步订单2405020942130022797732
2024-05-02 09:42:15>>>订单2405020942130022797732删除成功,剩余空间为1680500,占用RAM为604.2060546875
检测订单目录中>>>
无未同步订单>>>
2024-05-02 09:42:15 >>>当前Ram内存为578.720703125
定时检测未同步订单启用
2024-05-02 09:42:16>>>cash write=0C
2024-05-02 09:42:16>>>cash read=3E
===09:43:56===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===10:08:56===
2024-05-02 10:08:54>>>cash read=00
2024-05-02 10:08:55>>>cash read=818F42
2024-05-02 10:08:55>>>cash write=02
2024-05-02 10:08:55 >>>回调事件130,cash_status,10022,进钞中...read money=10
===10:09:58===
删除未同步订单2405021008550022794968
2024-05-02 10:08:58>>>订单2405021008550022794968删除成功,剩余空间为1681500,占用RAM为606.9814453125
检测订单目录中>>>
无未同步订单>>>
2024-05-02 10:08:58 >>>当前Ram内存为578.28515625
定时检测未同步订单启用
2024-05-02 10:08:59>>>cash write=0C
2024-05-02 10:08:59>>>cash read=3E
===10:10:58===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===11:28:59===
2024-05-02 11:28:47>>>cash read=00
2024-05-02 11:28:48>>>cash read=818F42
2024-05-02 11:28:48>>>cash write=02
2024-05-02 11:28:48 >>>回调事件130,cash_status,10022,进钞中...read money=10
2024-05-02 11:28:48>>>cash read=10
2024-05-02 11:28:48 >>>回调事件130,10,10023,finish Money=10,进钞完成
2024-05-02 11:28:48 >>>开始打印,排队号为8,订单号为2405021128480022792332
2024-05-02 11:28:48>>>订单2405021128480022792332写入成功,剩余空间为1680500,占用RAM为595.751953125
删除未同步订单2405021128480022792332
2024-05-02 11:28:50>>>订单2405021128480022792332删除成功,剩余空间为1680500,占用RAM为604.111328125
检测订单目录中>>>
无未同步订单>>>
2024-05-02 11:28:51 >>>当前Ram内存为578.6279296875
定时检测未同步订单启用
2024-05-02 11:28:51>>>cash write=0C
2024-05-02 11:28:51>>>cash read=3E
===11:29:59===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===11:38:59===
2024-05-02 11:38:07>>>cash read=00
2024-05-02 11:38:08>>>cash read=818F42
2024-05-02 11:38:08>>>cash write=02
2024-05-02 11:38:08 >>>回调事件130,cash_status,10022,进钞中...read money=10
2024-05-02 11:38:09>>>cash read=10
2024-05-02 11:38:09 >>>回调事件130,10,10023,finish Money=10,进钞完成
2024-05-02 11:38:09 >>>开始打印,排队号为9,订单号为2405021138090022792885
2024-05-02 11:38:09>>>订单2405021138090022792885写入成功,剩余空间为1680500,占用RAM为595.796875
删除未同步订单2405021138090022792885
2024-05-02 11:38:11>>>订单2405021138090022792885删除成功,剩余空间为1680500,占用RAM为604.095703125
检测订单目录中>>>
无未同步订单>>>
2024-05-02 11:38:11 >>>当前Ram内存为578.6494140625
定时检测未同步订单启用
2024-05-02 11:38:12>>>cash write=0C
2024-05-02 11:38:12>>>cash read=3E
===11:39:59===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===11:55:00===
2024-05-02 11:54:46>>>cash read=29
2024-05-02 11:54:46 >>>回调事件130,cash_status,20029,退钞中
2024-05-02 11:54:46>>>cash read=2F29
2024-05-02 11:54:48>>>cash read=01
2024-05-02 11:54:49>>>cash read=2F
2024-05-02 11:54:51>>>cash read=292F29
2024-05-02 11:54:51 >>>回调事件130,cash_status,20029,退钞中
2024-05-02 11:54:52>>>cash read=01
2024-05-02 11:54:53>>>cash read=2F
2024-05-02 11:54:54>>>cash read=00
2024-05-02 11:54:54>>>cash read=2F29
2024-05-02 11:54:56 >>>回调事件130,cash_status,20029,退钞中
2024-05-02 11:54:58>>>cash read=3E
===11:56:00===
2024-05-02 11:55:00>>>cash read=00
2024-05-02 11:55:01>>>cash read=818F4200
2024-05-02 11:55:01>>>cash write=02
2024-05-02 11:55:01 >>>回调事件130,cash_status,10022,进钞中...read money=10
2024-05-02 11:55:02>>>cash read=10
2024-05-02 11:55:02 >>>回调事件130,10,10023,finish Money=10,进钞完成
2024-05-02 11:55:02 >>>开始打印,排队号为10,订单号为2405021155020022794540
2024-05-02 11:55:02>>>订单2405021155020022794540写入成功,剩余空间为1680500,占用RAM为594.1953125
删除未同步订单2405021155020022794540
2024-05-02 11:55:04>>>订单2405021155020022794540删除成功,剩余空间为1680500,占用RAM为605.826171875
检测订单目录中>>>
无未同步订单>>>
2024-05-02 11:55:04 >>>当前Ram内存为578.640625
定时检测未同步订单启用
2024-05-02 11:55:05>>>cash write=0C
2024-05-02 11:55:05>>>cash read=3E
2024-05-02 11:55:08>>>cash read=0A
2024-05-02 11:55:10>>>cash read=3E
===11:57:00===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===13:58:00===
2024-05-02 13:57:25 >>>回调事件[910,devices/TL2279]
2024-05-02 13:57:25 >>>故障排除日志:上一MQTT订单号缓存列表为24050208501816729502
2024-05-02 13:57:25 >>>故障排除日志:终端未同步成功订单列表
2024-05-02 13:57:25 开始打印,排队:11,票券:2405021357195369532601,订单:24050213571953686912,[2024-05-02 13:57:19微信支付10元]
2024-05-02 13:57:27 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2405021357195369532601","queue_number":11,"trade_uid":"24050213571953686912"}]}
2024-05-02 13:57:27 >>>故障排除日志:删除未同步下发订单成功24050213571953686912
2024-05-02 13:57:27 >>>故障排除日志:终端同步成功后剩余订单列表
===14:12:01===
2024-05-02 14:11:36>>>cash read=0A
2024-05-02 14:11:37>>>cash read=3E
===15:19:01===
2024-05-02 15:18:54 >>>回调事件[910,devices/TL2279]
2024-05-02 15:18:54 >>>故障排除日志:上一MQTT订单号缓存列表为24050213571953686912
2024-05-02 15:18:54 >>>故障排除日志:终端未同步成功订单列表
2024-05-02 15:18:54 开始打印,排队:12,票券:2405021518459808023801,订单:24050215184598074048,[2024-05-02 15:18:45微信支付10元]
2024-05-02 15:18:56 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2405021518459808023801","queue_number":12,"trade_uid":"24050215184598074048"}]}
2024-05-02 15:18:56 >>>故障排除日志:删除未同步下发订单成功24050215184598074048
2024-05-02 15:18:56 >>>故障排除日志:终端同步成功后剩余订单列表
===15:38:01===
2024-05-02 15:37:54>>>cash read=0A
2024-05-02 15:37:55>>>cash read=3E
===17:15:03===
2024-05-02 17:15:00 >>>回调事件[910,devices/TL2279]
2024-05-02 17:15:00 >>>故障排除日志:上一MQTT订单号缓存列表为24050215184598074048
2024-05-02 17:15:00 >>>故障排除日志:终端未同步成功订单列表
2024-05-02 17:15:00 开始打印,排队:13,票券:2405021714541810242901,订单:24050217145418095989,[2024-05-02 17:14:54微信支付10元]
===17:16:03===
2024-05-02 17:15:02 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2405021714541810242901","queue_number":13,"trade_uid":"24050217145418095989"}]}
2024-05-02 17:15:02 >>>故障排除日志:删除未同步下发订单成功24050217145418095989
2024-05-02 17:15:02 >>>故障排除日志:终端同步成功后剩余订单列表
===18:04:03===
2024-05-02 18:03:54>>>cash read=0A
2024-05-02 18:03:55>>>cash read=3E
===18:12:04===
2024-05-02 18:11:55 >>>回调事件[910,devices/TL2279]
2024-05-02 18:11:55 >>>故障排除日志:上一MQTT订单号缓存列表为24050217145418095989
2024-05-02 18:11:55 >>>故障排除日志:终端未同步成功订单列表
2024-05-02 18:11:55 开始打印,排队:14,票券:2405021811478897823701,订单:24050218114788971756,[2024-05-02 18:11:47微信支付10元]
2024-05-02 18:11:57 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2405021811478897823701","queue_number":14,"trade_uid":"24050218114788971756"}]}
2024-05-02 18:11:57 >>>故障排除日志:删除未同步下发订单成功24050218114788971756
2024-05-02 18:11:57 >>>故障排除日志:终端同步成功后剩余订单列表
===18:22:04===
2024-05-02 18:21:50>>>cash read=00
2024-05-02 18:21:50>>>cash read=818F42
2024-05-02 18:21:50>>>cash write=02
2024-05-02 18:21:50 >>>回调事件130,cash_status,10022,进钞中...read money=10
2024-05-02 18:21:51>>>cash read=10
2024-05-02 18:21:51 >>>回调事件130,10,10023,finish Money=10,进钞完成
2024-05-02 18:21:51 >>>开始打印,排队号为15,订单号为2405021821510022799177
2024-05-02 18:21:51>>>订单2405021821510022799177写入成功,剩余空间为1680500,占用RAM为595.810546875
删除未同步订单2405021821510022799177
2024-05-02 18:21:53>>>订单2405021821510022799177删除成功,剩余空间为1680500,占用RAM为608.203125
检测订单目录中>>>
无未同步订单>>>
2024-05-02 18:21:53 >>>当前Ram内存为578.7431640625
定时检测未同步订单启用
2024-05-02 18:21:54>>>cash write=0C
2024-05-02 18:21:54>>>cash read=3E
===18:23:04===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===18:34:04===
2024-05-02 18:33:43 >>>回调事件[910,devices/TL2279]
2024-05-02 18:33:43 >>>故障排除日志:上一MQTT订单号缓存列表为24050218114788971756
2024-05-02 18:33:43 >>>故障排除日志:终端未同步成功订单列表
2024-05-02 18:33:43 开始打印,排队:16,票券:2405021833334639542001,订单:24050218333346388075,[2024-05-02 18:33:33微信支付10元]
2024-05-02 18:33:45 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2405021833334639542001","queue_number":16,"trade_uid":"24050218333346388075"}]}
2024-05-02 18:33:45 >>>故障排除日志:删除未同步下发订单成功24050218333346388075
2024-05-02 18:33:45 >>>故障排除日志:终端同步成功后剩余订单列表
===19:02:04===
2024-05-02 19:01:56>>>cash read=00
2024-05-02 19:01:57>>>cash read=818F42
2024-05-02 19:01:57>>>cash write=02
2024-05-02 19:01:57 >>>回调事件130,cash_status,10022,进钞中...read money=10
2024-05-02 19:01:57>>>cash read=10
2024-05-02 19:01:57 >>>回调事件130,10,10023,finish Money=10,进钞完成
2024-05-02 19:01:57 >>>开始打印,排队号为17,订单号为2405021901570022794926
2024-05-02 19:01:58>>>订单2405021901570022794926写入成功,剩余空间为1680500,占用RAM为595.8701171875
删除未同步订单2405021901570022794926
2024-05-02 19:02:00>>>订单2405021901570022794926删除成功,剩余空间为1680500,占用RAM为604.1552734375
检测订单目录中>>>
无未同步订单>>>
2024-05-02 19:02:00 >>>当前Ram内存为578.6494140625
定时检测未同步订单启用
2024-05-02 19:02:01>>>cash write=0C
2024-05-02 19:02:01>>>cash read=3E
===19:03:05===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===19:19:05===
2024-05-02 19:18:34>>>cash read=00
2024-05-02 19:18:35>>>cash read=818F42
2024-05-02 19:18:35>>>cash write=02
2024-05-02 19:18:35 >>>回调事件130,cash_status,10022,进钞中...read money=10
2024-05-02 19:18:36>>>cash read=10
2024-05-02 19:18:36 >>>回调事件130,10,10023,finish Money=10,进钞完成
2024-05-02 19:18:36 >>>开始打印,排队号为18,订单号为2405021918360022794065
2024-05-02 19:18:36>>>订单2405021918360022794065写入成功,剩余空间为1680500,占用RAM为597.5625
删除未同步订单2405021918360022794065
2024-05-02 19:18:38>>>订单2405021918360022794065删除成功,剩余空间为1680500,占用RAM为605.0029296875
检测订单目录中>>>
无未同步订单>>>
2024-05-02 19:18:38 >>>当前Ram内存为578.4716796875
定时检测未同步订单启用
2024-05-02 19:18:39>>>cash write=0C
2024-05-02 19:18:39>>>cash read=3E
===19:20:05===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===19:30:05===
2024-05-02 19:29:11 >>>回调事件[910,devices/TL2279]
2024-05-02 19:29:11 >>>故障排除日志:上一MQTT订单号缓存列表为24050218333346388075
2024-05-02 19:29:11 >>>故障排除日志:终端未同步成功订单列表
2024-05-02 19:29:11 开始打印,排队:19,票券:2405021929036081269801,订单:24050219290360806713,[2024-05-02 19:29:03微信支付10元]
2024-05-02 19:29:13 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2405021929036081269801","queue_number":19,"trade_uid":"24050219290360806713"}]}
2024-05-02 19:29:13 >>>故障排除日志:删除未同步下发订单成功24050219290360806713
2024-05-02 19:29:13 >>>故障排除日志:终端同步成功后剩余订单列表
===19:40:06===
2024-05-02 19:39:28>>>cash read=29
2024-05-02 19:39:28 >>>回调事件130,cash_status,20029,退钞中
2024-05-02 19:39:30>>>cash read=01
2024-05-02 19:39:32>>>cash read=3E
2024-05-02 19:39:36>>>cash read=29
2024-05-02 19:39:36 >>>回调事件130,cash_status,20029,退钞中
2024-05-02 19:39:37>>>cash read=3E
2024-05-02 19:39:39>>>cash read=00
2024-05-02 19:39:40>>>cash read=818F42
2024-05-02 19:39:40>>>cash write=02
2024-05-02 19:39:40 >>>回调事件130,cash_status,10022,进钞中...read money=10
2024-05-02 19:39:40>>>cash read=10
2024-05-02 19:39:40 >>>回调事件130,10,10023,finish Money=10,进钞完成
2024-05-02 19:39:40 >>>开始打印,排队号为20,订单号为2405021939400022795983
2024-05-02 19:39:41>>>订单2405021939400022795983写入成功,剩余空间为1679500,占用RAM为596.0810546875
删除未同步订单2405021939400022795983
2024-05-02 19:39:43>>>订单2405021939400022795983删除成功,剩余空间为1680500,占用RAM为605.1220703125
检测订单目录中>>>
无未同步订单>>>
2024-05-02 19:39:43 >>>当前Ram内存为579.154296875
定时检测未同步订单启用
2024-05-02 19:39:44>>>cash write=0C
2024-05-02 19:39:44>>>cash read=3E
===19:41:06===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===19:58:06===
2024-05-02 19:57:14 >>>回调事件[910,devices/TL2279]
2024-05-02 19:57:14 >>>故障排除日志:上一MQTT订单号缓存列表为24050219290360806713
2024-05-02 19:57:14 >>>故障排除日志:终端未同步成功订单列表
2024-05-02 19:57:14 开始打印,排队:21,票券:2405021957064534518601,订单:24050219570645337601,[2024-05-02 19:57:06微信支付10元]
2024-05-02 19:57:16 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2405021957064534518601","queue_number":21,"trade_uid":"24050219570645337601"}]}
2024-05-02 19:57:16 >>>故障排除日志:删除未同步下发订单成功24050219570645337601
2024-05-02 19:57:16 >>>故障排除日志:终端同步成功后剩余订单列表