TLClient_JSSCOM_LuatOS-Air_V4010_RDA8910_RFTTS_0xe0000,2.5.1,865328069132354,34210774037617,
poweron reason:0

===08:00:01===
上一时间戳为1725152286
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":7,"product_detail":"","time_limit_status":"0","begin_minute":"00","product_uid":"12566542176647497159","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3
session_id:ee4d1****4f3dd
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[2.5.1]
定时检测未同步订单启用
2024-09-02 07:59:00>>>cash write=30
2024-09-02 07:59:00>>>cash write=02
2024-09-02 07:59:00>>>cash write=3E
2024-09-02 07:59:00>>>cash read=808F808F808F
系统时间初始化成功，时间为2024927590
2024-09-02 07:59:01>>>cash write=02
2024-09-02 07:59:01 >>>剩余flash空间=1680500,占用RAM为620.4580078125
2024-09-02 07:59:01 >>>回调事件:910,subscribe,10000,连接服务器成功

2024-09-02 07:59:01 >>>剩余flash空间=1680000,占用RAM为594.5166015625
2024-09-02 07:59:01 >>>回调事件:911,GetMqttQueue,500,暂无需要下发的信息，请求类型：ticket

2024-09-02 07:59:04>>>cash write=0C
2024-09-02 07:59:04>>>cash read=3E
流量卡还有179天过期
2024-09-02 07:59:08 >>>当前Ram内存为610.3916015625


===08:01:01===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>


===08:45:01===
2024-09-02 08:44:33>>>cash read=00
2024-09-02 08:44:34>>>cash read=818F42
2024-09-02 08:44:34>>>cash write=02
2024-09-02 08:44:34 >>>回调事件130,cash_status,10022,进钞中...read money=10
2024-09-02 08:44:35>>>cash read=10
2024-09-02 08:44:35 >>>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1725237875
2024-09-02 08:44:35 >>>开始打印,排队号为1,订单号为2409020844350019758879
2024-09-02 08:44:35>>>订单2409020844350019758879写入成功,剩余空间为1680000,占用RAM为601.044921875
删除未同步订单2409020844350019758879
2024-09-02 08:44:37>>>订单2409020844350019758879删除成功,剩余空间为1680500,占用RAM为613.4580078125
检测订单目录中>>>
无未同步订单>>>
2024-09-02 08:44:37 >>>当前Ram内存为586.3173828125
定时检测未同步订单启用
2024-09-02 08:44:37 收到下发指令:叫号1>>>
2024-09-02 08:44:39>>>cash write=0C
2024-09-02 08:44:39>>>cash read=3E


===08:46:01===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>


===08:58:02===
2024-09-02 08:57:08 >>>回调事件[910,devices/TL1975]
2024-09-02 08:57:08 >>>故障排除日志:上一MQTT订单号缓存列表为24090120415089545456
2024-09-02 08:57:08 >>>故障排除日志:终端未同步成功订单列表
2024-09-02 08:57:08 开始打印,排队:2,票券:2409020856511702156001,订单:24090208565117017706,[2024-09-02 08:57:08支付宝支付10元]
2024-09-02 08:57:10 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2409020856511702156001","queue_number":2,"trade_uid":"24090208565117017706"}]}
2024-09-02 08:57:10 >>>故障排除日志:删除未同步下发订单成功24090208565117017706
2024-09-02 08:57:11 >>>故障排除日志:终端同步成功后剩余订单列表


===09:23:02===
2024-09-02 09:22:55>>>cash read=00
2024-09-02 09:22:56>>>cash read=818F42
2024-09-02 09:22:56>>>cash write=02
2024-09-02 09:22:56 >>>回调事件130,cash_status,10022,进钞中...read money=10
2024-09-02 09:22:57>>>cash read=10
2024-09-02 09:22:57 >>>回调事件130,10,10023,finish Money=10,进钞完成
2024-09-02 09:22:57 >>>开始打印,排队号为3,订单号为2409020922570019754035
2024-09-02 09:22:57>>>订单2409020922570019754035写入成功,剩余空间为1680500,占用RAM为601.326171875
删除未同步订单2409020922570019754035
2024-09-02 09:22:59>>>订单2409020922570019754035删除成功,剩余空间为1680500,占用RAM为615.5830078125
检测订单目录中>>>
无未同步订单>>>
2024-09-02 09:22:59 >>>当前Ram内存为586.7568359375
定时检测未同步订单启用
2024-09-02 09:23:00>>>cash write=0C
2024-09-02 09:23:00>>>cash read=3E


===09:24:02===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>


===09:25:02===
2024-09-02 09:24:35 >>>回调事件[910,devices/TL1975]
2024-09-02 09:24:35 >>>故障排除日志:上一MQTT订单号缓存列表为24090208565117017706
2024-09-02 09:24:35 >>>故障排除日志:终端未同步成功订单列表
2024-09-02 09:24:35 开始打印,排队:4,票券:2409020924268227769601,订单:24090209242682273901,[2024-09-02 09:24:33微信支付10元]
2024-09-02 09:24:37 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2409020924268227769601","queue_number":4,"trade_uid":"24090209242682273901"}]}
2024-09-02 09:24:37 >>>故障排除日志:删除未同步下发订单成功24090209242682273901
2024-09-02 09:24:37 >>>故障排除日志:终端同步成功后剩余订单列表


===09:29:02===
2024-09-02 09:28:18>>>cash read=0A
2024-09-02 09:28:19>>>cash read=3E


===10:07:02===
2024-09-02 10:06:13 >>>回调事件[910,devices/TL1975]
2024-09-02 10:06:13 >>>故障排除日志:上一MQTT订单号缓存列表为24090209242682273901
2024-09-02 10:06:13 >>>故障排除日志:终端未同步成功订单列表
2024-09-02 10:06:13 开始打印,排队:5,票券:2409021006054444481701,订单:24090210060544437916,[2024-09-02 10:06:12支付宝支付10元]
2024-09-02 10:06:15 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2409021006054444481701","queue_number":5,"trade_uid":"24090210060544437916"}]}
2024-09-02 10:06:15 >>>故障排除日志:删除未同步下发订单成功24090210060544437916
2024-09-02 10:06:15 >>>故障排除日志:终端同步成功后剩余订单列表


===10:11:02===
2024-09-02 10:10:50 >>>回调事件[910,devices/TL1975]
2024-09-02 10:10:50 >>>故障排除日志:上一MQTT订单号缓存列表为24090210060544437916
2024-09-02 10:10:50 >>>故障排除日志:终端未同步成功订单列表
2024-09-02 10:10:50 开始打印,排队:6,票券:2409021010431342069401,订单:24090210104313416610,[2024-09-02 10:10:48微信支付10元]
2024-09-02 10:10:52 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2409021010431342069401","queue_number":6,"trade_uid":"24090210104313416610"}]}
2024-09-02 10:10:52 >>>故障排除日志:删除未同步下发订单成功24090210104313416610
2024-09-02 10:10:52 >>>故障排除日志:终端同步成功后剩余订单列表


===10:23:03===
2024-09-02 10:22:11>>>cash read=0A
2024-09-02 10:22:12>>>cash read=3E


===11:01:03===
2024-09-02 11:00:21 >>>回调事件[910,devices/TL1975]
2024-09-02 11:00:21 >>>故障排除日志:上一MQTT订单号缓存列表为24090210104313416610
2024-09-02 11:00:21 >>>故障排除日志:终端未同步成功订单列表
2024-09-02 11:00:21 开始打印,排队:7,票券:2409021100160561585101,订单:24090211001605611197,[2024-09-02 11:00:21微信支付10元]
2024-09-02 11:00:23 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2409021100160561585101","queue_number":7,"trade_uid":"24090211001605611197"}]}
2024-09-02 11:00:23 >>>故障排除日志:删除未同步下发订单成功24090211001605611197
2024-09-02 11:00:23 >>>故障排除日志:终端同步成功后剩余订单列表
2024-09-02 11:00:37>>>cash read=00
2024-09-02 11:00:37>>>cash read=818F42
2024-09-02 11:00:37>>>cash write=02
2024-09-02 11:00:37 >>>回调事件130,cash_status,10022,进钞中...read money=10
2024-09-02 11:00:38>>>cash read=10
2024-09-02 11:00:38 >>>回调事件130,10,10023,finish Money=10,进钞完成
2024-09-02 11:00:38 >>>开始打印,排队号为8,订单号为2409021100380019758594
2024-09-02 11:00:38>>>订单2409021100380019758594写入成功,剩余空间为1679000,占用RAM为603.0322265625
删除未同步订单2409021100380019758594
2024-09-02 11:00:40>>>订单2409021100380019758594删除成功,剩余空间为1680000,占用RAM为615.9384765625
检测订单目录中>>>
无未同步订单>>>
2024-09-02 11:00:40 >>>当前Ram内存为587.6591796875
定时检测未同步订单启用
2024-09-02 11:00:41>>>cash write=0C
2024-09-02 11:00:41>>>cash read=3E


===11:02:03===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>


===11:55:03===
2024-09-02 11:54:02 >>>回调事件[910,devices/TL1975]
2024-09-02 11:54:02 >>>故障排除日志:上一MQTT订单号缓存列表为24090211001605611197
2024-09-02 11:54:02 >>>故障排除日志:终端未同步成功订单列表
2024-09-02 11:54:02 开始打印,排队:9,票券:2409021153559350114301,订单:24090211535593496340,[2024-09-02 11:54:02微信支付10元]
2024-09-02 11:54:04 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2409021153559350114301","queue_number":9,"trade_uid":"24090211535593496340"}]}
2024-09-02 11:54:04 >>>故障排除日志:删除未同步下发订单成功24090211535593496340
2024-09-02 11:54:05 >>>故障排除日志:终端同步成功后剩余订单列表


===12:18:03===
2024-09-02 12:17:12>>>cash read=0C
2024-09-02 12:17:19>>>cash read=3E
2024-09-02 12:17:25>>>cash read=00
2024-09-02 12:17:25>>>cash read=818F42
2024-09-02 12:17:25>>>cash write=02
2024-09-02 12:17:25 >>>回调事件130,cash_status,10022,进钞中...read money=10
2024-09-02 12:17:26>>>cash read=10
2024-09-02 12:17:26 >>>回调事件130,10,10023,finish Money=10,进钞完成
2024-09-02 12:17:26 >>>开始打印,排队号为10,订单号为2409021217260019754140
2024-09-02 12:17:26>>>订单2409021217260019754140写入成功,剩余空间为1680000,占用RAM为601.046875
删除未同步订单2409021217260019754140
2024-09-02 12:17:28>>>订单2409021217260019754140删除成功,剩余空间为1680500,占用RAM为613.376953125
检测订单目录中>>>
无未同步订单>>>
2024-09-02 12:17:28 >>>当前Ram内存为586.205078125
定时检测未同步订单启用
2024-09-02 12:17:29>>>cash write=0C
2024-09-02 12:17:29>>>cash read=3E


===12:19:04===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>


===15:03:13===
上一时间戳为1725237875
当日首次设置时间戳true为1725260532
今日nvm排队号为11
当前排队号为11,音量为5
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":"12566542176647497159","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3
session_id:08cc1****5a2c0
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[2.5.1]
定时检测未同步订单启用
2024-09-02 15:02:13>>>cash write=30
2024-09-02 15:02:13>>>cash write=02
2024-09-02 15:02:13>>>cash write=3E
2024-09-02 15:02:13>>>cash read=808F808F808F
系统时间初始化成功，时间为20249215213
2024-09-02 15:02:14>>>cash write=02
2024-09-02 15:02:14 >>>剩余flash空间=1680500,占用RAM为620.8681640625
2024-09-02 15:02:14 >>>回调事件:910,subscribe,10000,连接服务器成功

2024-09-02 15:02:14 >>>剩余flash空间=1680000,占用RAM为594.498046875
2024-09-02 15:02:14 >>>回调事件:911,GetMqttQueue,500,暂无需要下发的信息，请求类型：ticket

2024-09-02 15:02:17>>>cash write=0C
2024-09-02 15:02:17>>>cash read=3E
流量卡还有179天过期
2024-09-02 15:02:21 >>>当前Ram内存为610.5390625


===15:04:13===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>


===15:22:14===
2024-09-02 15:21:45 >>>回调事件[910,devices/TL1975]
2024-09-02 15:21:45 >>>故障排除日志:上一MQTT订单号缓存列表为24090211535593496340
2024-09-02 15:21:45 >>>故障排除日志:终端未同步成功订单列表
2024-09-02 15:21:45 开始打印,排队:11,票券:2409021521385406608901,订单:24090215213854059547,[2024-09-02 15:21:44微信支付10元]
2024-09-02 15:21:47 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2409021521385406608901","queue_number":11,"trade_uid":"24090215213854059547"}]}
2024-09-02 15:21:47 >>>故障排除日志:删除未同步下发订单成功24090215213854059547
2024-09-02 15:21:47 >>>故障排除日志:终端同步成功后剩余订单列表


===15:55:14===
2024-09-02 15:54:53 >>>回调事件[910,devices/TL1975]
2024-09-02 15:54:53 >>>故障排除日志:上一MQTT订单号缓存列表为24090215213854059547
2024-09-02 15:54:53 >>>故障排除日志:终端未同步成功订单列表
2024-09-02 15:54:53 开始打印,排队:12,票券:2409021554432843783201,订单:24090215544328432109,[2024-09-02 15:54:51微信支付10元]
2024-09-02 15:54:55 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2409021554432843783201","queue_number":12,"trade_uid":"24090215544328432109"}]}
2024-09-02 15:54:55 >>>故障排除日志:删除未同步下发订单成功24090215544328432109
2024-09-02 15:54:55 >>>故障排除日志:终端同步成功后剩余订单列表


===16:00:14===
2024-09-02 15:59:31 >>>回调事件[910,devices/TL1975]
2024-09-02 15:59:31 >>>故障排除日志:上一MQTT订单号缓存列表为24090215544328432109
2024-09-02 15:59:31 >>>故障排除日志:终端未同步成功订单列表
2024-09-02 15:59:31 开始打印,排队:13,票券:2409021559243792806801,订单:24090215592437923943,[2024-09-02 15:59:31微信支付10元]
2024-09-02 15:59:33 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2409021559243792806801","queue_number":13,"trade_uid":"24090215592437923943"}]}
2024-09-02 15:59:33 >>>故障排除日志:删除未同步下发订单成功24090215592437923943
2024-09-02 15:59:33 >>>故障排除日志:终端同步成功后剩余订单列表


===17:06:14===
2024-09-02 17:05:23 >>>回调事件[910,devices/TL1975]
2024-09-02 17:05:23 >>>故障排除日志:上一MQTT订单号缓存列表为24090215592437923943
2024-09-02 17:05:23 >>>故障排除日志:终端未同步成功订单列表
2024-09-02 17:05:23 开始打印,排队:14,票券:2409021705109911982701,订单:24090217051099114791,[2024-09-02 17:05:22支付宝支付10元]
2024-09-02 17:05:25 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2409021705109911982701","queue_number":14,"trade_uid":"24090217051099114791"}]}
2024-09-02 17:05:25 >>>故障排除日志:删除未同步下发订单成功24090217051099114791
2024-09-02 17:05:25 >>>故障排除日志:终端同步成功后剩余订单列表


===17:12:15===
2024-09-02 17:12:11 >>>回调事件[910,devices/TL1975]
2024-09-02 17:12:11 >>>故障排除日志:上一MQTT订单号缓存列表为24090217051099114791
2024-09-02 17:12:11 >>>故障排除日志:终端未同步成功订单列表
2024-09-02 17:12:11 开始打印,排队:15,票券:2409021712043237409301,订单:24090217120432369731,[2024-09-02 17:12:10微信支付10元]
2024-09-02 17:12:13 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2409021712043237409301","queue_number":15,"trade_uid":"24090217120432369731"}]}
2024-09-02 17:12:13 >>>故障排除日志:删除未同步下发订单成功24090217120432369731
2024-09-02 17:12:13 >>>故障排除日志:终端同步成功后剩余订单列表


===17:23:15===
2024-09-02 17:23:00 >>>回调事件[910,devices/TL1975]
2024-09-02 17:23:00 >>>故障排除日志:上一MQTT订单号缓存列表为24090217120432369731
2024-09-02 17:23:00 >>>故障排除日志:终端未同步成功订单列表
2024-09-02 17:23:00 开始打印,排队:16,票券:2409021722520546536101,订单:24090217225205459846,[2024-09-02 17:22:59微信支付10元]
2024-09-02 17:23:02 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2409021722520546536101","queue_number":16,"trade_uid":"24090217225205459846"}]}
2024-09-02 17:23:02 >>>故障排除日志:删除未同步下发订单成功24090217225205459846
2024-09-02 17:23:02 >>>故障排除日志:终端同步成功后剩余订单列表


===18:21:15===
2024-09-02 18:20:53 >>>回调事件[910,devices/TL1975]
2024-09-02 18:20:53 >>>故障排除日志:上一MQTT订单号缓存列表为24090217225205459846
2024-09-02 18:20:53 >>>故障排除日志:终端未同步成功订单列表
2024-09-02 18:20:53 开始打印,排队:17,票券:2409021820428713193901,订单:24090218204287127571,[2024-09-02 18:20:51微信支付10元]
2024-09-02 18:20:55 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2409021820428713193901","queue_number":17,"trade_uid":"24090218204287127571"}]}
2024-09-02 18:20:55 >>>故障排除日志:删除未同步下发订单成功24090218204287127571
2024-09-02 18:20:55 >>>故障排除日志:终端同步成功后剩余订单列表


===18:34:15===
2024-09-02 18:33:31 >>>回调事件[910,devices/TL1975]
2024-09-02 18:33:31 >>>故障排除日志:上一MQTT订单号缓存列表为24090218204287127571
2024-09-02 18:33:31 >>>故障排除日志:终端未同步成功订单列表
2024-09-02 18:33:31 开始打印,排队:18,票券:2409021833243124796801,订单:24090218332431243245,[2024-09-02 18:33:30微信支付10元]
2024-09-02 18:33:31 开始打印,排队:19,票券:2409021833243124942102,订单:24090218332431243245,[2024-09-02 18:33:30微信支付10元]
2024-09-02 18:33:34 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2409021833243124796801","queue_number":18,"trade_uid":"24090218332431243245"},{"ticket_no":"2409021833243124942102","queue_number":19,"trade_uid":"24090218332431243245"}]}
2024-09-02 18:33:34 >>>故障排除日志:删除未同步下发订单成功24090218332431243245
2024-09-02 18:33:34 >>>故障排除日志:删除未同步下发订单成功24090218332431243245
2024-09-02 18:33:34 >>>故障排除日志:终端同步成功后剩余订单列表


===19:03:15===
2024-09-02 19:02:44 >>>回调事件[910,devices/TL1975]
2024-09-02 19:02:44 >>>故障排除日志:上一MQTT订单号缓存列表为24090218332431243245|24090218332431243245
2024-09-02 19:02:44 >>>故障排除日志:终端未同步成功订单列表
2024-09-02 19:02:44 开始打印,排队:20,票券:2409021902333459117301,订单:24090219023334587213,[2024-09-02 19:02:43支付宝支付10元]
2024-09-02 19:02:46 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2409021902333459117301","queue_number":20,"trade_uid":"24090219023334587213"}]}
2024-09-02 19:02:46 >>>故障排除日志:删除未同步下发订单成功24090219023334587213
2024-09-02 19:02:46 >>>故障排除日志:终端同步成功后剩余订单列表


===19:19:16===
2024-09-02 19:18:31 >>>回调事件[910,devices/TL1975]
2024-09-02 19:18:31 >>>故障排除日志:上一MQTT订单号缓存列表为24090219023334587213
2024-09-02 19:18:31 >>>故障排除日志:终端未同步成功订单列表
2024-09-02 19:18:31 开始打印,排队:21,票券:2409021918190924553601,订单:24090219181909241332,[2024-09-02 19:18:30支付宝支付10元]
2024-09-02 19:18:33 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2409021918190924553601","queue_number":21,"trade_uid":"24090219181909241332"}]}
2024-09-02 19:18:33 >>>故障排除日志:删除未同步下发订单成功24090219181909241332
2024-09-02 19:18:33 >>>故障排除日志:终端同步成功后剩余订单列表


===19:20:16===
2024-09-02 19:19:33 >>>回调事件[910,devices/TL1975]
2024-09-02 19:19:33 >>>故障排除日志:上一MQTT订单号缓存列表为24090219181909241332
2024-09-02 19:19:33 >>>故障排除日志:终端未同步成功订单列表
2024-09-02 19:19:33 开始打印,排队:22,票券:2409021919245146224501,订单:24090219192451458242,[2024-09-02 19:19:31微信支付10元]
2024-09-02 19:19:35 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2409021919245146224501","queue_number":22,"trade_uid":"24090219192451458242"}]}
2024-09-02 19:19:35 >>>故障排除日志:删除未同步下发订单成功24090219192451458242
2024-09-02 19:19:35 >>>故障排除日志:终端同步成功后剩余订单列表


===19:38:16===
2024-09-02 19:38:13 >>>回调事件[910,devices/TL1975]
2024-09-02 19:38:13 >>>故障排除日志:上一MQTT订单号缓存列表为24090219192451458242
2024-09-02 19:38:13 >>>故障排除日志:终端未同步成功订单列表
2024-09-02 19:38:13 开始打印,排队:23,票券:2409021938051960471701,订单:24090219380519601372,[2024-09-02 19:38:11微信支付10元]
2024-09-02 19:38:15 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2409021938051960471701","queue_number":23,"trade_uid":"24090219380519601372"}]}
2024-09-02 19:38:15 >>>故障排除日志:删除未同步下发订单成功24090219380519601372
2024-09-02 19:38:15 >>>故障排除日志:终端同步成功后剩余订单列表