TLClient_JSSCOM_LuatOS-Air_V4002_RDA8910_RFTTS_0xe0000,2.6.4,866250064330560,44308522184352,
poweron reason:0

===09:17:57===
上一时间戳为1730434529
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":"14943629519302838628","use_timer":1,"old_price":"12","end_hour":null,"sale_price":"12","end_minute":null,"begin_hour":null,"sale_status":1,"product_name":"剪发"}]
打印门店标题设置为有型快剪
是否打印二维码设置为1
是否打印紧凑设置为3
session_id:7328e****06459
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[2.6.4]
定时检测未同步订单启用
2024-11-02 09:16:56>>>cash write=30
2024-11-02 09:16:56>>>cash write=02
2024-11-02 09:16:56>>>cash write=3E
2024-11-02 09:16:56>>>cash read=808F808F808F
系统时间初始化成功，时间为202411291656
2024-11-02 09:16:57>>>cash write=02
2024-11-02 09:16:57 >>>剩余flash空间=1680500,占用RAM为625.8486328125
2024-11-02 09:16:57 >>>回调事件:910,subscribe,10000,连接服务器成功

2024-11-02 09:16:58 >>>剩余flash空间=1680000,占用RAM为604.9404296875
2024-11-02 09:16:58 >>>回调事件:911,GetMqttQueue,500,暂无需要下发的信息，请求类型：ticket

2024-11-02 09:17:00>>>cash write=0C
2024-11-02 09:17:00>>>cash read=3E
流量卡还有28天过期
2024-11-02 09:17:04 >>>当前Ram内存为634.646484375


===09:18:57===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>


===09:29:58===
2024-11-02 09:29:00>>>cash read=0A
2024-11-02 09:29:01>>>cash read=3E


===09:30:58===
2024-11-02 09:30:39 >>>回调事件[910,devices/TL1739]
当日首次设置时间戳true为1730511039
2024-11-02 09:30:39 >>>故障排除日志:上一MQTT订单号缓存列表为24110116473471699546
2024-11-02 09:30:39 >>>故障排除日志:终端未同步成功订单列表
2024-11-02 09:30:39 开始打印,排队:1,票券:2411020930335299875701,订单:24110209303352993016,[2024-11-02 09:30:39微信支付12元]
2024-11-02 09:30:41 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411020930335299875701","queue_number":1,"trade_uid":"24110209303352993016"}]}
2024-11-02 09:30:41 >>>故障排除日志:删除未同步下发订单成功24110209303352993016
2024-11-02 09:30:41 >>>故障排除日志:终端同步成功后剩余订单列表


===09:36:58===
2024-11-02 09:36:05 >>>回调事件[910,devices/TL1739]
2024-11-02 09:36:05 >>>故障排除日志:上一MQTT订单号缓存列表为24110209303352993016
2024-11-02 09:36:05 >>>故障排除日志:终端未同步成功订单列表
2024-11-02 09:36:05 开始打印,排队:2,票券:2411020935592242849101,订单:24110209355922424763,[2024-11-02 09:36:05微信支付12元]
2024-11-02 09:36:07 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411020935592242849101","queue_number":2,"trade_uid":"24110209355922424763"}]}
2024-11-02 09:36:07 >>>故障排除日志:删除未同步下发订单成功24110209355922424763
2024-11-02 09:36:07 >>>故障排除日志:终端同步成功后剩余订单列表


===09:43:58===
2024-11-02 09:42:58 >>>回调事件[910,devices/TL1739]
2024-11-02 09:42:58 >>>故障排除日志:上一MQTT订单号缓存列表为24110209355922424763
2024-11-02 09:42:58 >>>故障排除日志:终端未同步成功订单列表
2024-11-02 09:42:58 开始打印,排队:3,票券:2411020942490611465601,订单:24110209424906110829,[2024-11-02 09:42:58微信支付12元]
2024-11-02 09:43:00 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411020942490611465601","queue_number":3,"trade_uid":"24110209424906110829"}]}
2024-11-02 09:43:00 >>>故障排除日志:删除未同步下发订单成功24110209424906110829
2024-11-02 09:43:00 >>>故障排除日志:终端同步成功后剩余订单列表


===10:31:59===
2024-11-02 10:31:40 >>>回调事件[910,devices/TL1739]
2024-11-02 10:31:40 >>>故障排除日志:上一MQTT订单号缓存列表为24110209424906110829
2024-11-02 10:31:40 >>>故障排除日志:终端未同步成功订单列表
2024-11-02 10:31:40 开始打印,排队:4,票券:2411021031261236507601,订单:24110210312612359559,[2024-11-02 10:31:40支付宝支付12元]
2024-11-02 10:31:42 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411021031261236507601","queue_number":4,"trade_uid":"24110210312612359559"}]}
2024-11-02 10:31:42 >>>故障排除日志:删除未同步下发订单成功24110210312612359559
2024-11-02 10:31:42 >>>故障排除日志:终端同步成功后剩余订单列表


===10:43:59===
2024-11-02 10:43:36 >>>回调事件[910,devices/TL1739]
2024-11-02 10:43:36 >>>故障排除日志:上一MQTT订单号缓存列表为24110210312612359559
2024-11-02 10:43:36 >>>故障排除日志:终端未同步成功订单列表
2024-11-02 10:43:36 开始打印,排队:5,票券:2411021043238089396301,订单:24110210432380888525,[2024-11-02 10:43:37微信支付12元]
2024-11-02 10:43:38 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411021043238089396301","queue_number":5,"trade_uid":"24110210432380888525"}]}
2024-11-02 10:43:38 >>>故障排除日志:删除未同步下发订单成功24110210432380888525
2024-11-02 10:43:38 >>>故障排除日志:终端同步成功后剩余订单列表


===11:00:59===
2024-11-02 11:00:35 >>>回调事件[910,devices/TL1739]
2024-11-02 11:00:35 >>>故障排除日志:上一MQTT订单号缓存列表为24110210432380888525
2024-11-02 11:00:35 >>>故障排除日志:终端未同步成功订单列表
2024-11-02 11:00:35 开始打印,排队:6,票券:2411021100310032701301,订单:24110211003100321175,[2024-11-02 11:00:35微信支付12元]
2024-11-02 11:00:37 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411021100310032701301","queue_number":6,"trade_uid":"24110211003100321175"}]}
2024-11-02 11:00:37 >>>故障排除日志:删除未同步下发订单成功24110211003100321175
2024-11-02 11:00:37 >>>故障排除日志:终端同步成功后剩余订单列表


===11:28:00===
2024-11-02 11:27:00>>>cash read=9E
2024-11-02 11:27:01>>>cash read=3E


===11:34:00===
2024-11-02 11:33:26 >>>回调事件[910,devices/TL1739]
2024-11-02 11:33:26 >>>故障排除日志:上一MQTT订单号缓存列表为24110211003100321175
2024-11-02 11:33:26 >>>故障排除日志:终端未同步成功订单列表
2024-11-02 11:33:26 开始打印,排队:7,票券:2411021133208891598901,订单:24110211332088910131,[2024-11-02 11:33:26微信支付12元]
2024-11-02 11:33:28 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411021133208891598901","queue_number":7,"trade_uid":"24110211332088910131"}]}
2024-11-02 11:33:28 >>>故障排除日志:删除未同步下发订单成功24110211332088910131
2024-11-02 11:33:29 >>>故障排除日志:终端同步成功后剩余订单列表


===12:03:01===
2024-11-02 12:02:58 >>>回调事件[910,devices/TL1739]
2024-11-02 12:02:58 >>>故障排除日志:上一MQTT订单号缓存列表为24110211332088910131
2024-11-02 12:02:58 >>>故障排除日志:终端未同步成功订单列表
2024-11-02 12:02:58 开始打印,排队:8,票券:2411021202520477002701,订单:24110212025204764057,[2024-11-02 12:02:58微信支付12元]


===12:21:02===
2024-11-02 12:20:50 >>>回调事件[910,devices/TL1739]
2024-11-02 12:20:50 >>>故障排除日志:上一MQTT订单号缓存列表为24110212025204764057
2024-11-02 12:20:50 >>>故障排除日志:终端未同步成功订单列表
2024-11-02 12:20:50 开始打印,排队:9,票券:2411021220406572907201,订单:24110212204065725475,[2024-11-02 12:20:50微信支付12元]
2024-11-02 12:20:52 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411021220406572907201","queue_number":9,"trade_uid":"24110212204065725475"}]}
2024-11-02 12:20:52 >>>故障排除日志:删除未同步下发订单成功24110212204065725475
2024-11-02 12:20:52 >>>故障排除日志:终端同步成功后剩余订单列表


===12:22:02===
2024-11-02 12:21:58>>>cash read=9E
2024-11-02 12:21:59>>>cash read=3E


===12:38:02===
2024-11-02 12:37:03 >>>回调事件[910,devices/TL1739]
2024-11-02 12:37:03 >>>故障排除日志:上一MQTT订单号缓存列表为24110212204065725475
2024-11-02 12:37:03 >>>故障排除日志:终端未同步成功订单列表
2024-11-02 12:37:03 开始打印,排队:10,票券:2411021236580277073901,订单:24110212365802765121,[2024-11-02 12:37:03微信支付12元]
2024-11-02 12:37:05 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411021236580277073901","queue_number":10,"trade_uid":"24110212365802765121"}]}
2024-11-02 12:37:05 >>>故障排除日志:删除未同步下发订单成功24110212365802765121
2024-11-02 12:37:05 >>>故障排除日志:终端同步成功后剩余订单列表


===12:47:03===
2024-11-02 12:46:29 >>>回调事件[910,devices/TL1739]
2024-11-02 12:46:29 >>>故障排除日志:上一MQTT订单号缓存列表为24110212365802765121
2024-11-02 12:46:29 >>>故障排除日志:终端未同步成功订单列表
2024-11-02 12:46:29 开始打印,排队:11,票券:2411021246225624765401,订单:24110212462256242634,[2024-11-02 12:46:27支付宝支付12元]
2024-11-02 12:46:31 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411021246225624765401","queue_number":11,"trade_uid":"24110212462256242634"}]}
2024-11-02 12:46:31 >>>故障排除日志:删除未同步下发订单成功24110212462256242634
2024-11-02 12:46:31 >>>故障排除日志:终端同步成功后剩余订单列表


===14:24:03===
2024-11-02 14:23:36 >>>回调事件[910,devices/TL1739]
2024-11-02 14:23:36 >>>故障排除日志:上一MQTT订单号缓存列表为24110212462256242634
2024-11-02 14:23:36 >>>故障排除日志:终端未同步成功订单列表
2024-11-02 14:23:36 开始打印,排队:12,票券:2411021423296613895801,订单:24110214232966133521,[2024-11-02 14:23:36微信支付12元]
2024-11-02 14:23:38 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411021423296613895801","queue_number":12,"trade_uid":"24110214232966133521"}]}
2024-11-02 14:23:38 >>>故障排除日志:删除未同步下发订单成功24110214232966133521
2024-11-02 14:23:38 >>>故障排除日志:终端同步成功后剩余订单列表


===14:28:03===
2024-11-02 14:27:28 >>>回调事件[910,devices/TL1739]
2024-11-02 14:27:28 >>>故障排除日志:上一MQTT订单号缓存列表为24110214232966133521
2024-11-02 14:27:28 >>>故障排除日志:终端未同步成功订单列表
2024-11-02 14:27:28 开始打印,排队:13,票券:2411021427213601552601,订单:24110214272136009638,[2024-11-02 14:27:27微信支付12元]
2024-11-02 14:27:30 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411021427213601552601","queue_number":13,"trade_uid":"24110214272136009638"}]}
2024-11-02 14:27:30 >>>故障排除日志:删除未同步下发订单成功24110214272136009638
2024-11-02 14:27:30 >>>故障排除日志:终端同步成功后剩余订单列表


===14:40:04===
2024-11-02 14:39:27 >>>回调事件[910,devices/TL1739]
2024-11-02 14:39:27 >>>故障排除日志:上一MQTT订单号缓存列表为24110214272136009638
2024-11-02 14:39:27 >>>故障排除日志:终端未同步成功订单列表
2024-11-02 14:39:27 开始打印,排队:14,票券:2411021439220067554301,订单:24110214392200670286,[2024-11-02 14:39:27微信支付12元]
2024-11-02 14:39:29 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411021439220067554301","queue_number":14,"trade_uid":"24110214392200670286"}]}
2024-11-02 14:39:29 >>>故障排除日志:删除未同步下发订单成功24110214392200670286
2024-11-02 14:39:29 >>>故障排除日志:终端同步成功后剩余订单列表
2024-11-02 14:39:59 >>>回调事件[910,devices/TL1739]
2024-11-02 14:39:59 >>>故障排除日志:上一MQTT订单号缓存列表为24110214392200670286
2024-11-02 14:39:59 >>>故障排除日志:终端未同步成功订单列表
2024-11-02 14:39:59 开始打印,排队:15,票券:2411021439522550538601,订单:24110214395225498329,[2024-11-02 14:40:00微信支付12元]
2024-11-02 14:40:01 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411021439522550538601","queue_number":15,"trade_uid":"24110214395225498329"}]}
2024-11-02 14:40:01 >>>故障排除日志:删除未同步下发订单成功24110214395225498329
2024-11-02 14:40:01 >>>故障排除日志:终端同步成功后剩余订单列表


===15:05:04===
2024-11-02 15:04:48 >>>回调事件[910,devices/TL1739]
2024-11-02 15:04:48 >>>故障排除日志:上一MQTT订单号缓存列表为24110214395225498329
2024-11-02 15:04:48 >>>故障排除日志:终端未同步成功订单列表
2024-11-02 15:04:48 开始打印,排队:16,票券:2411021504418533433901,订单:24110215044185329651,[2024-11-02 15:04:48微信支付12元]
2024-11-02 15:04:50 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411021504418533433901","queue_number":16,"trade_uid":"24110215044185329651"}]}
2024-11-02 15:04:50 >>>故障排除日志:删除未同步下发订单成功24110215044185329651
2024-11-02 15:04:50 >>>故障排除日志:终端同步成功后剩余订单列表


===15:18:04===
2024-11-02 15:17:15 >>>回调事件[910,devices/TL1739]
2024-11-02 15:17:15 >>>故障排除日志:上一MQTT订单号缓存列表为24110215044185329651
2024-11-02 15:17:15 >>>故障排除日志:终端未同步成功订单列表
2024-11-02 15:17:15 开始打印,排队:17,票券:2411021517077435045901,订单:24110215170774344418,[2024-11-02 15:17:14微信支付12元]
2024-11-02 15:17:17 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411021517077435045901","queue_number":17,"trade_uid":"24110215170774344418"}]}
2024-11-02 15:17:17 >>>故障排除日志:删除未同步下发订单成功24110215170774344418
2024-11-02 15:17:17 >>>故障排除日志:终端同步成功后剩余订单列表


===15:56:04===
2024-11-02 15:55:17 >>>回调事件[910,devices/TL1739]
2024-11-02 15:55:17 >>>故障排除日志:上一MQTT订单号缓存列表为24110215170774344418
2024-11-02 15:55:17 >>>故障排除日志:终端未同步成功订单列表
2024-11-02 15:55:17 开始打印,排队:18,票券:2411021555127006586801,订单:24110215551270061495,[2024-11-02 15:55:17微信支付12元]
2024-11-02 15:55:19 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411021555127006586801","queue_number":18,"trade_uid":"24110215551270061495"}]}
2024-11-02 15:55:19 >>>故障排除日志:删除未同步下发订单成功24110215551270061495
2024-11-02 15:55:19 >>>故障排除日志:终端同步成功后剩余订单列表


===15:57:04===
2024-11-02 15:56:48 >>>回调事件[910,devices/TL1739]
2024-11-02 15:56:48 >>>故障排除日志:上一MQTT订单号缓存列表为24110215551270061495
2024-11-02 15:56:48 >>>故障排除日志:终端未同步成功订单列表
2024-11-02 15:56:48 开始打印,排队:19,票券:2411021556413140633801,订单:24110215564131401028,[2024-11-02 15:56:48微信支付12元]
2024-11-02 15:56:50 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411021556413140633801","queue_number":19,"trade_uid":"24110215564131401028"}]}
2024-11-02 15:56:50 >>>故障排除日志:删除未同步下发订单成功24110215564131401028
2024-11-02 15:56:50 >>>故障排除日志:终端同步成功后剩余订单列表


===16:03:05===
2024-11-02 16:02:07 >>>回调事件[910,devices/TL1739]
2024-11-02 16:02:07 >>>故障排除日志:上一MQTT订单号缓存列表为24110215564131401028
2024-11-02 16:02:07 >>>故障排除日志:终端未同步成功订单列表
2024-11-02 16:02:07 开始打印,排队:20,票券:2411021602019321866701,订单:24110216020193214174,[2024-11-02 16:02:07支付宝支付12元]
2024-11-02 16:02:09 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411021602019321866701","queue_number":20,"trade_uid":"24110216020193214174"}]}
2024-11-02 16:02:09 >>>故障排除日志:删除未同步下发订单成功24110216020193214174
2024-11-02 16:02:09 >>>故障排除日志:终端同步成功后剩余订单列表


===16:04:05===
2024-11-02 16:03:09>>>cash read=9E
2024-11-02 16:03:10>>>cash read=3E


===16:11:06===
2024-11-02 16:10:48>>>cash read=9E
2024-11-02 16:10:49>>>cash read=3E


===16:19:06===
2024-11-02 16:18:23 >>>回调事件[910,devices/TL1739]
2024-11-02 16:18:23 >>>故障排除日志:上一MQTT订单号缓存列表为24110216020193214174
2024-11-02 16:18:23 >>>故障排除日志:终端未同步成功订单列表
2024-11-02 16:18:23 开始打印,排队:21,票券:2411021618084556446101,订单:24110216180845560918,[2024-11-02 16:18:23支付宝支付12元]
2024-11-02 16:18:25 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411021618084556446101","queue_number":21,"trade_uid":"24110216180845560918"}]}
2024-11-02 16:18:25 >>>故障排除日志:删除未同步下发订单成功24110216180845560918
2024-11-02 16:18:25 >>>故障排除日志:终端同步成功后剩余订单列表


===16:30:06===
2024-11-02 16:29:26 >>>回调事件[910,devices/TL1739]
2024-11-02 16:29:26 >>>故障排除日志:上一MQTT订单号缓存列表为24110216180845560918
2024-11-02 16:29:26 >>>故障排除日志:终端未同步成功订单列表
2024-11-02 16:29:26 开始打印,排队:22,票券:2411021629170449858301,订单:24110216291704494318,[2024-11-02 16:29:26微信支付12元]
2024-11-02 16:29:28 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411021629170449858301","queue_number":22,"trade_uid":"24110216291704494318"}]}
2024-11-02 16:29:28 >>>故障排除日志:删除未同步下发订单成功24110216291704494318
2024-11-02 16:29:28 >>>故障排除日志:终端同步成功后剩余订单列表


===17:09:07===
2024-11-02 17:08:21 >>>回调事件[910,devices/TL1739]
2024-11-02 17:08:21 >>>故障排除日志:上一MQTT订单号缓存列表为24110216291704494318
2024-11-02 17:08:21 >>>故障排除日志:终端未同步成功订单列表
2024-11-02 17:08:21 开始打印,排队:23,票券:2411021708053837541301,订单:24110217080538365158,[2024-11-02 17:08:20微信支付12元]
2024-11-02 17:08:23 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411021708053837541301","queue_number":23,"trade_uid":"24110217080538365158"}]}
2024-11-02 17:08:23 >>>故障排除日志:删除未同步下发订单成功24110217080538365158
2024-11-02 17:08:23 >>>故障排除日志:终端同步成功后剩余订单列表


===17:10:07===
2024-11-02 17:09:53 >>>回调事件[910,devices/TL1739]
2024-11-02 17:09:53 >>>故障排除日志:上一MQTT订单号缓存列表为24110217080538365158
2024-11-02 17:09:53 >>>故障排除日志:终端未同步成功订单列表
2024-11-02 17:09:53 开始打印,排队:24,票券:2411021709452450962401,订单:24110217094524502216,[2024-11-02 17:09:52微信支付12元]
2024-11-02 17:09:55 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411021709452450962401","queue_number":24,"trade_uid":"24110217094524502216"}]}
2024-11-02 17:09:55 >>>故障排除日志:删除未同步下发订单成功24110217094524502216
2024-11-02 17:09:55 >>>故障排除日志:终端同步成功后剩余订单列表


===17:21:07===
2024-11-02 17:20:43>>>cash read=9E
2024-11-02 17:20:44>>>cash read=3E
2024-11-02 17:20:54 >>>回调事件[910,devices/TL1739]
2024-11-02 17:20:54 >>>故障排除日志:上一MQTT订单号缓存列表为24110217094524502216
2024-11-02 17:20:54 >>>故障排除日志:终端未同步成功订单列表
2024-11-02 17:20:54 开始打印,排队:25,票券:2411021720479757496101,订单:24110217204797567636,[2024-11-02 17:20:54支付宝支付12元]
2024-11-02 17:20:56 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411021720479757496101","queue_number":25,"trade_uid":"24110217204797567636"}]}
2024-11-02 17:20:56 >>>故障排除日志:删除未同步下发订单成功24110217204797567636
2024-11-02 17:20:56 >>>故障排除日志:终端同步成功后剩余订单列表


===17:36:07===
2024-11-02 17:35:23 >>>回调事件[910,devices/TL1739]
2024-11-02 17:35:24 >>>故障排除日志:上一MQTT订单号缓存列表为24110217204797567636
2024-11-02 17:35:24 >>>故障排除日志:终端未同步成功订单列表
2024-11-02 17:35:24 开始打印,排队:26,票券:2411021735180669839401,订单:24110217351806693116,[2024-11-02 17:35:23微信支付12元]
2024-11-02 17:35:25 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2411021735180669839401","queue_number":26,"trade_uid":"24110217351806693116"}]}
2024-11-02 17:35:25 >>>故障排除日志:删除未同步下发订单成功24110217351806693116
2024-11-02 17:35:26 >>>故障排除日志:终端同步成功后剩余订单列表