TLClient_JSSCOM_LuatOS-Air_V3205_RDA8910_RFTTS_0xe0000,2.7.3,861714058753538,34106320104430,
poweron reason:0

===11:12:49===
上一时间戳为1759463646
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6
初始化产品信息:[{"time_limit_date":"","ticket_category":"0","expiry_date":7,"product_detail":"请给小票师傅","time_limit_status":"0","begin_minute":"00","product_uid":"14943629519301866164","use_timer":1,"old_price":"15","end_hour":"23","sale_price":"15","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"小孩，男士，快剪"},{"time_limit_date":"","ticket_category":"0","expiry_date":7,"product_detail":"请给小票师傅","time_limit_status":"0","begin_minute":"00","product_uid":"14943629519303072289","use_timer":1,"old_price":"20","end_hour":"23","sale_price":"20","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"女士快剪"}]
打印门店标题设置为剪好发嘉禾店
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:8e7a9****cadfc
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[2.7.3]
定时检测未同步订单启用
2025-10-04 11:11:48>>>cash write=30
2025-10-04 11:11:48>>>cash write=02
2025-10-04 11:11:48>>>cash write=3E
2025-10-04 11:11:48>>>cash read=808F808F808F808F
系统时间初始化成功，时间为2025104111148
2025-10-04 11:11:49>>>cash write=02
2025-10-04 11:11:49 >>>剩余flash空间=1671500,占用RAM为645.328125
2025-10-04 11:11:49 >>>回调事件:910,subscribe,10000,连接服务器成功

2025-10-04 11:11:50 >>>剩余flash空间=1671000,占用RAM为611.509765625
2025-10-04 11:11:50 >>>回调事件:911,GetMqttQueue,500,暂无需要下发的信息，请求类型：ticket

2025-10-04 11:11:52>>>cash write=0C
2025-10-04 11:11:52>>>cash read=3E
流量卡还有118天过期
2025-10-04 11:11:56 >>>当前Ram内存为628.3310546875


===11:13:49===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>


===11:15:49===
2025-10-04 11:14:52>>>cash read=0A
2025-10-04 11:14:53>>>cash read=3E


===12:13:50===
2025-10-04 12:13:18 >>>回调事件[910,devices/S1743]
当日首次设置时间戳true为1759551198
2025-10-04 12:13:18 >>>故障排除日志:上一MQTT订单号缓存列表为2510032250510040605228
2025-10-04 12:13:18 >>>故障排除日志:终端未同步成功订单列表
2025-10-04 12:13:18 开始打印,排队:1,票券:2510041213107348758301,订单:2510041213100070824336,[2025-10-04 12:13:18微信支付15元]
2025-10-04 12:13:20 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510041213107348758301","queue_number":1,"trade_uid":"2510041213100070824336"}]}
2025-10-04 12:13:20 >>>故障排除日志:删除未同步下发订单成功2510041213100070824336
2025-10-04 12:13:20 >>>故障排除日志:终端同步成功后剩余订单列表


===13:47:50===
2025-10-04 13:47:35 >>>回调事件[910,devices/S1743]
2025-10-04 13:47:35 >>>故障排除日志:上一MQTT订单号缓存列表为2510041213100070824336
2025-10-04 13:47:35 >>>故障排除日志:终端未同步成功订单列表
2025-10-04 13:47:35 开始打印,排队:2,票券:2510041347290977004301,订单:2510041347290009391883,[2025-10-04 13:47:35微信支付15元]
2025-10-04 13:47:37 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510041347290977004301","queue_number":2,"trade_uid":"2510041347290009391883"}]}
2025-10-04 13:47:37 >>>故障排除日志:删除未同步下发订单成功2510041347290009391883
2025-10-04 13:47:37 >>>故障排除日志:终端同步成功后剩余订单列表


===14:14:51===
2025-10-04 14:14:35 >>>回调事件[910,devices/S1743]
2025-10-04 14:14:35 >>>故障排除日志:上一MQTT订单号缓存列表为2510041347290009391883
2025-10-04 14:14:35 >>>故障排除日志:终端未同步成功订单列表
2025-10-04 14:14:35 开始打印,排队:3,票券:2510041414287177499301,订单:2510041414280071351919,[2025-10-04 14:14:35微信支付15元]
2025-10-04 14:14:37 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510041414287177499301","queue_number":3,"trade_uid":"2510041414280071351919"}]}
2025-10-04 14:14:37 >>>故障排除日志:删除未同步下发订单成功2510041414280071351919
2025-10-04 14:14:37 >>>故障排除日志:终端同步成功后剩余订单列表
2025-10-04 14:14:45 >>>回调事件[910,devices/S1743]
2025-10-04 14:14:45 >>>故障排除日志:上一MQTT订单号缓存列表为2510041414280071351919
2025-10-04 14:14:45 >>>故障排除日志:终端未同步成功订单列表
2025-10-04 14:14:45 开始打印,排队:4,票券:2510041414414043746301,订单:2510041414410040049075,[2025-10-04 14:14:45微信支付15元]
2025-10-04 14:14:47 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510041414414043746301","queue_number":4,"trade_uid":"2510041414410040049075"}]}
2025-10-04 14:14:47 >>>故障排除日志:删除未同步下发订单成功2510041414410040049075
2025-10-04 14:14:47 >>>故障排除日志:终端同步成功后剩余订单列表


===14:39:51===
2025-10-04 14:39:18>>>cash read=0A
2025-10-04 14:39:20>>>cash read=3E


===15:05:51===
2025-10-04 15:04:55>>>cash read=0A
2025-10-04 15:04:57>>>cash read=3E


===15:28:52===
2025-10-04 15:28:27 >>>回调事件[910,devices/S1743]
2025-10-04 15:28:27 >>>故障排除日志:上一MQTT订单号缓存列表为2510041414410040049075
2025-10-04 15:28:27 >>>故障排除日志:终端未同步成功订单列表
2025-10-04 15:28:27 开始打印,排队:5,票券:2510041528197726769701,订单:2510041528190076889358,[2025-10-04 15:28:27微信支付15元]
2025-10-04 15:28:29 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510041528197726769701","queue_number":5,"trade_uid":"2510041528190076889358"}]}
2025-10-04 15:28:29 >>>故障排除日志:删除未同步下发订单成功2510041528190076889358
2025-10-04 15:28:29 >>>故障排除日志:终端同步成功后剩余订单列表


===15:39:52===
2025-10-04 15:39:37 >>>回调事件[910,devices/S1743]
2025-10-04 15:39:37 >>>故障排除日志:上一MQTT订单号缓存列表为2510041528190076889358
2025-10-04 15:39:37 >>>故障排除日志:终端未同步成功订单列表
2025-10-04 15:39:37 开始打印,排队:6,票券:2510041539315235916401,订单:2510041539310051967753,[2025-10-04 15:39:37微信支付15元]
2025-10-04 15:39:39 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510041539315235916401","queue_number":6,"trade_uid":"2510041539310051967753"}]}
2025-10-04 15:39:39 >>>故障排除日志:删除未同步下发订单成功2510041539310051967753
2025-10-04 15:39:39 >>>故障排除日志:终端同步成功后剩余订单列表


===16:15:52===
2025-10-04 16:15:46>>>cash read=9E
2025-10-04 16:15:47>>>cash read=3E


===16:21:52===
2025-10-04 16:20:56 >>>回调事件[910,devices/S1743]
2025-10-04 16:20:56 >>>故障排除日志:上一MQTT订单号缓存列表为2510041539310051967753
2025-10-04 16:20:56 >>>故障排除日志:终端未同步成功订单列表
2025-10-04 16:20:56 开始打印,排队:7,票券:2510041620503018373101,订单:2510041620500029775329,[2025-10-04 16:20:56微信支付15元]
2025-10-04 16:20:58 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510041620503018373101","queue_number":7,"trade_uid":"2510041620500029775329"}]}
2025-10-04 16:20:58 >>>故障排除日志:删除未同步下发订单成功2510041620500029775329
2025-10-04 16:20:58 >>>故障排除日志:终端同步成功后剩余订单列表


===16:42:53===
2025-10-04 16:42:30 >>>回调事件[910,devices/S1743]
2025-10-04 16:42:30 >>>故障排除日志:上一MQTT订单号缓存列表为2510041620500029775329
2025-10-04 16:42:30 >>>故障排除日志:终端未同步成功订单列表
2025-10-04 16:42:30 开始打印,排队:8,票券:2510041642249782824601,订单:2510041642240097404478,[2025-10-04 16:42:30微信支付15元]
2025-10-04 16:42:32 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510041642249782824601","queue_number":8,"trade_uid":"2510041642240097404478"}]}
2025-10-04 16:42:32 >>>故障排除日志:删除未同步下发订单成功2510041642240097404478
2025-10-04 16:42:32 >>>故障排除日志:终端同步成功后剩余订单列表


===17:21:53===
2025-10-04 17:20:55 >>>回调事件[910,devices/S1743]
2025-10-04 17:20:55 >>>故障排除日志:上一MQTT订单号缓存列表为2510041642240097404478
2025-10-04 17:20:55 >>>故障排除日志:终端未同步成功订单列表
2025-10-04 17:20:55 开始打印,排队:9,票券:2510041720496124251801,订单:2510041720490060848889,[2025-10-04 17:20:55微信支付15元]
2025-10-04 17:20:57 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510041720496124251801","queue_number":9,"trade_uid":"2510041720490060848889"}]}
2025-10-04 17:20:57 >>>故障排除日志:删除未同步下发订单成功2510041720490060848889
2025-10-04 17:20:57 >>>故障排除日志:终端同步成功后剩余订单列表


===17:26:53===
2025-10-04 17:26:41>>>cash read=9E
2025-10-04 17:26:42>>>cash read=3E


===17:44:53===
2025-10-04 17:44:13 >>>回调事件[910,devices/S1743]
2025-10-04 17:44:13 >>>故障排除日志:上一MQTT订单号缓存列表为2510041720490060848889
2025-10-04 17:44:13 >>>故障排除日志:终端未同步成功订单列表
2025-10-04 17:44:13 开始打印,排队:10,票券:2510041744066592466201,订单:2510041744060065502551,[2025-10-04 17:44:13微信支付15元]
2025-10-04 17:44:16 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510041744066592466201","queue_number":10,"trade_uid":"2510041744060065502551"}]}
2025-10-04 17:44:16 >>>故障排除日志:删除未同步下发订单成功2510041744060065502551
2025-10-04 17:44:16 >>>故障排除日志:终端同步成功后剩余订单列表


===18:00:54===
2025-10-04 18:00:26 >>>回调事件[910,devices/S1743]
2025-10-04 18:00:26 >>>故障排除日志:上一MQTT订单号缓存列表为2510041744060065502551
2025-10-04 18:00:26 >>>故障排除日志:终端未同步成功订单列表
2025-10-04 18:00:26 开始打印,排队:11,票券:2510041800163771511701,订单:2510041800160037296146,[2025-10-04 18:00:26支付宝支付15元]
2025-10-04 18:00:28 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510041800163771511701","queue_number":11,"trade_uid":"2510041800160037296146"}]}
2025-10-04 18:00:28 >>>故障排除日志:删除未同步下发订单成功2510041800160037296146
2025-10-04 18:00:28 >>>故障排除日志:终端同步成功后剩余订单列表


===18:01:54===
2025-10-04 18:01:24 收到下发指令:叫号2>>>
2025-10-04 18:01:28 收到下发指令:叫号2>>>
2025-10-04 18:01:32 收到下发指令:叫号2>>>
2025-10-04 18:01:36 收到下发指令:叫号2>>>
2025-10-04 18:01:40 收到下发指令:叫号2>>>
2025-10-04 18:01:44 收到下发指令:叫号2>>>
2025-10-04 18:01:50 收到下发指令:叫号2>>>


===18:02:54===
2025-10-04 18:01:55 收到下发指令:叫号2>>>
2025-10-04 18:01:59 收到下发指令:叫号2>>>


===18:18:54===
2025-10-04 18:18:47>>>cash read=9E
2025-10-04 18:18:48>>>cash read=3E


===18:29:55===
2025-10-04 18:29:49 >>>回调事件[910,devices/S1743]
2025-10-04 18:29:50 >>>故障排除日志:上一MQTT订单号缓存列表为2510041800160037296146
2025-10-04 18:29:50 >>>故障排除日志:终端未同步成功订单列表
2025-10-04 18:29:50 开始打印,排队:12,票券:2510041829447433972801,订单:2510041829440073917086,[2025-10-04 18:29:49微信支付15元]
2025-10-04 18:29:52 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510041829447433972801","queue_number":12,"trade_uid":"2510041829440073917086"}]}
2025-10-04 18:29:52 >>>故障排除日志:删除未同步下发订单成功2510041829440073917086
2025-10-04 18:29:52 >>>故障排除日志:终端同步成功后剩余订单列表


===18:30:55===
2025-10-04 18:30:51>>>cash read=0A
2025-10-04 18:30:52>>>cash read=3E


===18:43:55===
2025-10-04 18:43:18 >>>回调事件[910,devices/S1743]
2025-10-04 18:43:18 >>>故障排除日志:上一MQTT订单号缓存列表为2510041829440073917086
2025-10-04 18:43:18 >>>故障排除日志:终端未同步成功订单列表
2025-10-04 18:43:18 开始打印,排队:13,票券:2510041842532088168301,订单:2510041842530020463061,[2025-10-04 18:43:17微信支付15元]
2025-10-04 18:43:20 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510041842532088168301","queue_number":13,"trade_uid":"2510041842530020463061"}]}
2025-10-04 18:43:20 >>>故障排除日志:删除未同步下发订单成功2510041842530020463061
2025-10-04 18:43:20 >>>故障排除日志:终端同步成功后剩余订单列表


===18:45:55===
2025-10-04 18:45:51 >>>回调事件[910,devices/S1743]
2025-10-04 18:45:51 >>>故障排除日志:上一MQTT订单号缓存列表为2510041842530020463061
2025-10-04 18:45:51 >>>故障排除日志:终端未同步成功订单列表
2025-10-04 18:45:51 开始打印,排队:14,票券:2510041845394033433401,订单:2510041845390039896363,[2025-10-04 18:45:51微信支付15元]
2025-10-04 18:45:53 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510041845394033433401","queue_number":14,"trade_uid":"2510041845390039896363"}]}
2025-10-04 18:45:53 >>>故障排除日志:删除未同步下发订单成功2510041845390039896363
2025-10-04 18:45:53 >>>故障排除日志:终端同步成功后剩余订单列表


===19:09:56===
2025-10-04 19:09:19 >>>回调事件[910,devices/S1743]
2025-10-04 19:09:19 >>>故障排除日志:上一MQTT订单号缓存列表为2510041845390039896363
2025-10-04 19:09:19 >>>故障排除日志:终端未同步成功订单列表
2025-10-04 19:09:20 开始打印,排队:15,票券:2510041909133426512501,订单:2510041909130033803024,[2025-10-04 19:09:19微信支付15元]
2025-10-04 19:09:22 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510041909133426512501","queue_number":15,"trade_uid":"2510041909130033803024"}]}
2025-10-04 19:09:22 >>>故障排除日志:删除未同步下发订单成功2510041909130033803024
2025-10-04 19:09:22 >>>故障排除日志:终端同步成功后剩余订单列表


===19:16:56===
2025-10-04 19:16:03 收到下发指令:叫号12>>>
2025-10-04 19:16:06 收到下发指令:叫号12>>>
2025-10-04 19:16:10 收到下发指令:叫号12>>>


===19:33:56===
2025-10-04 19:33:50 >>>回调事件[910,devices/S1743]
2025-10-04 19:33:51 >>>故障排除日志:上一MQTT订单号缓存列表为2510041909130033803024
2025-10-04 19:33:51 >>>故障排除日志:终端未同步成功订单列表
2025-10-04 19:33:51 开始打印,排队:16,票券:2510041933453062469501,订单:2510041933450030228445,[2025-10-04 19:33:51微信支付15元]
2025-10-04 19:33:52 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510041933453062469501","queue_number":16,"trade_uid":"2510041933450030228445"}]}
2025-10-04 19:33:52 >>>故障排除日志:删除未同步下发订单成功2510041933450030228445
2025-10-04 19:33:53 >>>故障排除日志:终端同步成功后剩余订单列表


===19:49:56===
2025-10-04 19:49:52 >>>回调事件[910,devices/S1743]
2025-10-04 19:49:52 >>>故障排除日志:上一MQTT订单号缓存列表为2510041933450030228445
2025-10-04 19:49:52 >>>故障排除日志:终端未同步成功订单列表
2025-10-04 19:49:52 开始打印,排队:17,票券:2510041949399103182301,订单:2510041949390090572873,[2025-10-04 19:49:52微信支付15元]
2025-10-04 19:49:54 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510041949399103182301","queue_number":17,"trade_uid":"2510041949390090572873"}]}
2025-10-04 19:49:54 >>>故障排除日志:删除未同步下发订单成功2510041949390090572873
2025-10-04 19:49:54 >>>故障排除日志:终端同步成功后剩余订单列表


===20:27:57===
2025-10-04 20:27:51 >>>回调事件[910,devices/S1743]
2025-10-04 20:27:51 >>>故障排除日志:上一MQTT订单号缓存列表为2510041949390090572873
2025-10-04 20:27:51 >>>故障排除日志:终端未同步成功订单列表
2025-10-04 20:27:51 开始打印,排队:18,票券:2510042027440616707201,订单:2510042027440005765751,[2025-10-04 20:27:51微信支付15元]
2025-10-04 20:27:53 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510042027440616707201","queue_number":18,"trade_uid":"2510042027440005765751"}]}
2025-10-04 20:27:53 >>>故障排除日志:删除未同步下发订单成功2510042027440005765751
2025-10-04 20:27:53 >>>故障排除日志:终端同步成功后剩余订单列表


===20:30:58===
2025-10-04 20:30:55 >>>回调事件[910,devices/S1743]
2025-10-04 20:30:55 >>>故障排除日志:上一MQTT订单号缓存列表为2510042027440005765751
2025-10-04 20:30:55 >>>故障排除日志:终端未同步成功订单列表
2025-10-04 20:30:55 开始打印,排队:19,票券:2510042030479784646701,订单:2510042030470097429097,[2025-10-04 20:30:55微信支付15元]


===20:31:59===
2025-10-04 20:30:57 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510042030479784646701","queue_number":19,"trade_uid":"2510042030470097429097"}]}
2025-10-04 20:30:57 >>>故障排除日志:删除未同步下发订单成功2510042030470097429097
2025-10-04 20:30:57 >>>故障排除日志:终端同步成功后剩余订单列表


===20:55:59===
2025-10-04 20:55:00>>>cash read=9E
2025-10-04 20:55:01>>>cash read=3E


===20:58:59===
2025-10-04 20:58:01 收到下发指令:叫号16>>>
2025-10-04 20:58:05 收到下发指令:叫号16>>>
2025-10-04 20:58:12 收到下发指令:叫号16>>>


===21:36:59===
2025-10-04 21:36:27 >>>回调事件[910,devices/S1743]
2025-10-04 21:36:27 >>>故障排除日志:上一MQTT订单号缓存列表为2510042030470097429097
2025-10-04 21:36:27 >>>故障排除日志:终端未同步成功订单列表
2025-10-04 21:36:27 开始打印,排队:20,票券:2510042136210684644501,订单:2510042136210006220514,[2025-10-04 21:36:27微信支付15元]
2025-10-04 21:36:29 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510042136210684644501","queue_number":20,"trade_uid":"2510042136210006220514"}]}
2025-10-04 21:36:29 >>>故障排除日志:删除未同步下发订单成功2510042136210006220514
2025-10-04 21:36:30 >>>故障排除日志:终端同步成功后剩余订单列表


===21:48:00===
2025-10-04 21:47:16 >>>回调事件[910,devices/S1743]
2025-10-04 21:47:16 >>>故障排除日志:上一MQTT订单号缓存列表为2510042136210006220514
2025-10-04 21:47:16 >>>故障排除日志:终端未同步成功订单列表
2025-10-04 21:47:16 开始打印,排队:21,票券:2510042147120973135701,订单:2510042147120009348739,[2025-10-04 21:47:16支付宝支付15元]
2025-10-04 21:47:18 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510042147120973135701","queue_number":21,"trade_uid":"2510042147120009348739"}]}
2025-10-04 21:47:18 >>>故障排除日志:删除未同步下发订单成功2510042147120009348739
2025-10-04 21:47:18 >>>故障排除日志:终端同步成功后剩余订单列表


===21:57:00===
2025-10-04 21:56:33 收到下发指令:叫号20>>>


===22:08:00===
2025-10-04 22:07:37 >>>回调事件[910,devices/S1743]
2025-10-04 22:07:38 >>>故障排除日志:上一MQTT订单号缓存列表为2510042147120009348739
2025-10-04 22:07:38 >>>故障排除日志:终端未同步成功订单列表
2025-10-04 22:07:38 开始打印,排队:22,票券:2510042207316746617101,订单:2510042207310067074054,[2025-10-04 22:07:37微信支付15元]
2025-10-04 22:07:40 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510042207316746617101","queue_number":22,"trade_uid":"2510042207310067074054"}]}
2025-10-04 22:07:40 >>>故障排除日志:删除未同步下发订单成功2510042207310067074054
2025-10-04 22:07:40 >>>故障排除日志:终端同步成功后剩余订单列表


===22:38:01===
2025-10-04 22:37:57>>>cash read=0A
2025-10-04 22:37:58>>>cash read=3E


===23:01:01===
2025-10-04 23:00:24 >>>回调事件[910,devices/S1743]
2025-10-04 23:00:24 >>>故障排除日志:上一MQTT订单号缓存列表为2510042207310067074054
2025-10-04 23:00:24 >>>故障排除日志:终端未同步成功订单列表
2025-10-04 23:00:24 开始打印,排队:23,票券:2510042300177151725601,订单:2510042300170071134337,[2025-10-04 23:00:23微信支付15元]
2025-10-04 23:00:26 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2510042300177151725601","queue_number":23,"trade_uid":"2510042300170071134337"}]}
2025-10-04 23:00:26 >>>故障排除日志:删除未同步下发订单成功2510042300170071134337
2025-10-04 23:00:26 >>>故障排除日志:终端同步成功后剩余订单列表