TLClient_JSSCOM_LuatOS-Air_V4010_RDA8910_RFTTS_0xe0000,2.5.1,865328069135696,16444829937712,
poweron reason:0
===10:57:49===
上一时间戳为1721619238
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68,音量为5
初始化产品信息:[{"time_limit_date":"","ticket_category":"0","expiry_date":90,"product_detail":"","time_limit_status":"0","begin_minute":"00","product_uid":"4351590954436911563","use_timer":1,"old_price":"13","end_hour":"23","sale_price":"13","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"人人剪"}]
是否打印二维码设置为1
是否打印紧凑设置为3
session_id:da257****10d8d
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
2024-07-23 10:56:49>>>cash write=30
2024-07-23 10:56:49>>>cash write=02
2024-07-23 10:56:49>>>cash write=3E
2024-07-23 10:56:49>>>cash read=808F808F808F
系统时间初始化成功，时间为2024723105649
2024-07-23 10:56:50>>>cash write=02
2024-07-23 10:56:50 >>>剩余flash空间=1680500,占用RAM为622.3115234375
2024-07-23 10:56:50 >>>回调事件:910,subscribe,10000,连接服务器成功
2024-07-23 10:56:51 >>>剩余flash空间=1680000,占用RAM为595.6796875
2024-07-23 10:56:51 >>>回调事件:911,GetMqttQueue,500,暂无需要下发的信息，请求类型：ticket
2024-07-23 10:56:53>>>cash write=0C
2024-07-23 10:56:53>>>cash read=3E
流量卡还有220天过期
2024-07-23 10:56:57 >>>当前Ram内存为605.9677734375
===10:58:50===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===11:16:50===
2024-07-23 11:16:13 >>>回调事件[910,devices/TL1934]
当日首次设置时间戳true为1721704573
2024-07-23 11:16:13 >>>故障排除日志:上一MQTT订单号缓存列表为24072221444483098419
2024-07-23 11:16:13 >>>故障排除日志:终端未同步成功订单列表
2024-07-23 11:16:13 开始打印,排队:68,票券:2407231116057006516001,订单:24072311160570062085,[2024-07-23 11:16:05微信支付13元]
2024-07-23 11:16:15 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407231116057006516001","queue_number":68,"trade_uid":"24072311160570062085"}]}
2024-07-23 11:16:15 >>>故障排除日志:删除未同步下发订单成功24072311160570062085
2024-07-23 11:16:15 >>>故障排除日志:终端同步成功后剩余订单列表
2024-07-23 11:16:15 收到下发指令:叫号68>>>
===11:51:50===
2024-07-23 11:51:14 >>>回调事件[910,devices/TL1934]
2024-07-23 11:51:14 >>>故障排除日志:上一MQTT订单号缓存列表为24072311160570062085
2024-07-23 11:51:14 >>>故障排除日志:终端未同步成功订单列表
2024-07-23 11:51:14 开始打印,排队:69,票券:2407231151074817353801,订单:24072311510748168885,[2024-07-23 11:51:07微信支付13元]
2024-07-23 11:51:16 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407231151074817353801","queue_number":69,"trade_uid":"24072311510748168885"}]}
2024-07-23 11:51:16 >>>故障排除日志:删除未同步下发订单成功24072311510748168885
2024-07-23 11:51:16 >>>故障排除日志:终端同步成功后剩余订单列表
===12:37:51===
2024-07-23 12:37:23 >>>回调事件[910,devices/TL1934]
2024-07-23 12:37:23 >>>故障排除日志:上一MQTT订单号缓存列表为24072311510748168885
2024-07-23 12:37:23 >>>故障排除日志:终端未同步成功订单列表
2024-07-23 12:37:23 开始打印,排队:70,票券:2407231237132508632501,订单:24072312371325082490,[2024-07-23 12:37:13微信支付13元]
2024-07-23 12:37:23 开始打印,排队:71,票券:2407231237132508787902,订单:24072312371325082490,[2024-07-23 12:37:13微信支付13元]
2024-07-23 12:37:27 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407231237132508632501","queue_number":70,"trade_uid":"24072312371325082490"},{"ticket_no":"2407231237132508787902","queue_number":71,"trade_uid":"24072312371325082490"}]}
2024-07-23 12:37:27 >>>故障排除日志:删除未同步下发订单成功24072312371325082490
2024-07-23 12:37:27 >>>故障排除日志:删除未同步下发订单成功24072312371325082490
2024-07-23 12:37:27 >>>故障排除日志:终端同步成功后剩余订单列表
===12:58:51===
2024-07-23 12:58:39>>>cash read=0A
2024-07-23 12:58:40>>>cash read=3E
===14:17:51===
2024-07-23 14:17:09>>>cash read=0A
2024-07-23 14:17:10>>>cash read=3E
===15:29:52===
2024-07-23 15:29:36 >>>回调事件[910,devices/TL1934]
2024-07-23 15:29:36 >>>故障排除日志:上一MQTT订单号缓存列表为24072312371325082490|24072312371325082490
2024-07-23 15:29:36 >>>故障排除日志:终端未同步成功订单列表
2024-07-23 15:29:36 开始打印,排队:72,票券:2407231529277798495001,订单:24072315292777979625,[2024-07-23 15:29:27微信支付13元]
2024-07-23 15:29:38 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407231529277798495001","queue_number":72,"trade_uid":"24072315292777979625"}]}
2024-07-23 15:29:38 >>>故障排除日志:删除未同步下发订单成功24072315292777979625
2024-07-23 15:29:38 >>>故障排除日志:终端同步成功后剩余订单列表
===15:35:52===
2024-07-23 15:35:36 >>>回调事件[910,devices/TL1934]
2024-07-23 15:35:36 >>>故障排除日志:上一MQTT订单号缓存列表为24072315292777979625
2024-07-23 15:35:36 >>>故障排除日志:终端未同步成功订单列表
2024-07-23 15:35:37 开始打印,排队:73,票券:2407231535293068341801,订单:24072315352930679939,[2024-07-23 15:35:29微信支付13元]
2024-07-23 15:35:39 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407231535293068341801","queue_number":73,"trade_uid":"24072315352930679939"}]}
2024-07-23 15:35:39 >>>故障排除日志:删除未同步下发订单成功24072315352930679939
2024-07-23 15:35:39 >>>故障排除日志:终端同步成功后剩余订单列表
===16:37:52===
2024-07-23 16:37:02>>>cash read=0A
2024-07-23 16:37:03>>>cash read=3E
===17:05:52===
2024-07-23 17:05:12>>>cash read=0A
2024-07-23 17:05:13>>>cash read=3E
===17:33:53===
2024-07-23 17:33:19 >>>回调事件[910,devices/TL1934]
2024-07-23 17:33:19 >>>故障排除日志:上一MQTT订单号缓存列表为24072315352930679939
2024-07-23 17:33:19 >>>故障排除日志:终端未同步成功订单列表
2024-07-23 17:33:19 开始打印,排队:74,票券:2407231733039705283501,订单:24072317330397047058,[2024-07-23 17:33:03微信支付13元]
2024-07-23 17:33:22 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407231733039705283501","queue_number":74,"trade_uid":"24072317330397047058"}]}
2024-07-23 17:33:22 >>>故障排除日志:删除未同步下发订单成功24072317330397047058
2024-07-23 17:33:22 >>>故障排除日志:终端同步成功后剩余订单列表
===18:01:53===
2024-07-23 18:01:24 >>>回调事件[910,devices/TL1934]
2024-07-23 18:01:24 >>>故障排除日志:上一MQTT订单号缓存列表为24072317330397047058
2024-07-23 18:01:24 >>>故障排除日志:终端未同步成功订单列表
2024-07-23 18:01:24 开始打印,排队:75,票券:2407231801120722839601,订单:24072318011207224772,[2024-07-23 18:01:12支付宝支付13元]
2024-07-23 18:01:26 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407231801120722839601","queue_number":75,"trade_uid":"24072318011207224772"}]}
2024-07-23 18:01:26 >>>故障排除日志:删除未同步下发订单成功24072318011207224772
2024-07-23 18:01:26 >>>故障排除日志:终端同步成功后剩余订单列表
===18:14:54===
2024-07-23 18:14:09 >>>回调事件[910,devices/TL1934]
2024-07-23 18:14:09 >>>故障排除日志:上一MQTT订单号缓存列表为24072318011207224772
2024-07-23 18:14:09 >>>故障排除日志:终端未同步成功订单列表
2024-07-23 18:14:09 开始打印,排队:76,票券:2407231814032846822401,订单:24072318140328464839,[2024-07-23 18:14:03支付宝支付13元]
2024-07-23 18:14:11 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407231814032846822401","queue_number":76,"trade_uid":"24072318140328464839"}]}
2024-07-23 18:14:11 >>>故障排除日志:删除未同步下发订单成功24072318140328464839
2024-07-23 18:14:11 >>>故障排除日志:终端同步成功后剩余订单列表
===18:25:54===
2024-07-23 18:25:22 >>>回调事件[910,devices/TL1934]
2024-07-23 18:25:22 >>>故障排除日志:上一MQTT订单号缓存列表为24072318140328464839
2024-07-23 18:25:22 >>>故障排除日志:终端未同步成功订单列表
2024-07-23 18:25:22 开始打印,排队:77,票券:2407231825152318293901,订单:24072318251523178584,[2024-07-23 18:25:15微信支付13元]
2024-07-23 18:25:24 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407231825152318293901","queue_number":77,"trade_uid":"24072318251523178584"}]}
2024-07-23 18:25:24 >>>故障排除日志:删除未同步下发订单成功24072318251523178584
2024-07-23 18:25:24 >>>故障排除日志:终端同步成功后剩余订单列表
===18:44:55===
2024-07-23 18:43:57 >>>回调事件[910,devices/TL1934]
2024-07-23 18:43:57 >>>故障排除日志:上一MQTT订单号缓存列表为24072318251523178584
2024-07-23 18:43:57 >>>故障排除日志:终端未同步成功订单列表
2024-07-23 18:43:57 开始打印,排队:78,票券:2407231843490566546101,订单:24072318434905661336,[2024-07-23 18:43:49微信支付13元]
2024-07-23 18:43:59 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407231843490566546101","queue_number":78,"trade_uid":"24072318434905661336"}]}
2024-07-23 18:43:59 >>>故障排除日志:删除未同步下发订单成功24072318434905661336
2024-07-23 18:43:59 >>>故障排除日志:终端同步成功后剩余订单列表
===18:50:55===
2024-07-23 18:50:11 >>>回调事件[910,devices/TL1934]
2024-07-23 18:50:11 >>>故障排除日志:上一MQTT订单号缓存列表为24072318434905661336
2024-07-23 18:50:11 >>>故障排除日志:终端未同步成功订单列表
2024-07-23 18:50:11 开始打印,排队:79,票券:2407231850012228058201,订单:24072318500122276696,[2024-07-23 18:50:01微信支付13元]
2024-07-23 18:50:13 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407231850012228058201","queue_number":79,"trade_uid":"24072318500122276696"}]}
2024-07-23 18:50:14 >>>故障排除日志:删除未同步下发订单成功24072318500122276696
2024-07-23 18:50:14 >>>故障排除日志:终端同步成功后剩余订单列表
===19:18:56===
2024-07-23 19:18:03>>>cash read=0A
2024-07-23 19:18:04>>>cash read=3E
2024-07-23 19:18:06 >>>回调事件[910,devices/TL1934]
2024-07-23 19:18:06 >>>故障排除日志:上一MQTT订单号缓存列表为24072318500122276696
2024-07-23 19:18:06 >>>故障排除日志:终端未同步成功订单列表
2024-07-23 19:18:06 开始打印,排队:80,票券:2407231918000168219401,订单:24072319180001674191,[2024-07-23 19:18:00支付宝支付13元]
2024-07-23 19:18:08 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407231918000168219401","queue_number":80,"trade_uid":"24072319180001674191"}]}
2024-07-23 19:18:08 >>>故障排除日志:删除未同步下发订单成功24072319180001674191
2024-07-23 19:18:08 >>>故障排除日志:终端同步成功后剩余订单列表
===19:30:56===
2024-07-23 19:30:07 >>>回调事件[910,devices/TL1934]
2024-07-23 19:30:07 >>>故障排除日志:上一MQTT订单号缓存列表为24072319180001674191
2024-07-23 19:30:07 >>>故障排除日志:终端未同步成功订单列表
2024-07-23 19:30:07 开始打印,排队:81,票券:2407231930001809717401,订单:24072319300018091592,[2024-07-23 19:30:00微信支付13元]
2024-07-23 19:30:09 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407231930001809717401","queue_number":81,"trade_uid":"24072319300018091592"}]}
2024-07-23 19:30:09 >>>故障排除日志:删除未同步下发订单成功24072319300018091592
2024-07-23 19:30:09 >>>故障排除日志:终端同步成功后剩余订单列表
===19:45:57===
2024-07-23 19:45:51 >>>回调事件[910,devices/TL1934]
2024-07-23 19:45:51 >>>故障排除日志:上一MQTT订单号缓存列表为24072319300018091592
2024-07-23 19:45:51 >>>故障排除日志:终端未同步成功订单列表
2024-07-23 19:45:51 开始打印,排队:82,票券:2407231945408033529501,订单:24072319454080324349,[2024-07-23 19:45:40支付宝支付13元]
2024-07-23 19:45:53 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407231945408033529501","queue_number":82,"trade_uid":"24072319454080324349"}]}
2024-07-23 19:45:53 >>>故障排除日志:删除未同步下发订单成功24072319454080324349
2024-07-23 19:45:54 >>>故障排除日志:终端同步成功后剩余订单列表
===20:17:57===
2024-07-23 20:17:29 >>>回调事件[910,devices/TL1934]
2024-07-23 20:17:29 >>>故障排除日志:上一MQTT订单号缓存列表为24072319454080324349
2024-07-23 20:17:29 >>>故障排除日志:终端未同步成功订单列表
2024-07-23 20:17:29 开始打印,排队:83,票券:2407232017204129207301,订单:24072320172041288476,[2024-07-23 20:17:20微信支付13元]
2024-07-23 20:17:31 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407232017204129207301","queue_number":83,"trade_uid":"24072320172041288476"}]}
2024-07-23 20:17:31 >>>故障排除日志:删除未同步下发订单成功24072320172041288476
2024-07-23 20:17:31 >>>故障排除日志:终端同步成功后剩余订单列表
===20:31:58===
2024-07-23 20:31:05 >>>回调事件[910,devices/TL1934]
2024-07-23 20:31:05 >>>故障排除日志:上一MQTT订单号缓存列表为24072320172041288476
2024-07-23 20:31:05 >>>故障排除日志:终端未同步成功订单列表
2024-07-23 20:31:05 开始打印,排队:84,票券:2407232030569144664901,订单:24072320305691441648,[2024-07-23 20:30:56微信支付13元]
2024-07-23 20:31:07 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407232030569144664901","queue_number":84,"trade_uid":"24072320305691441648"}]}
2024-07-23 20:31:07 >>>故障排除日志:删除未同步下发订单成功24072320305691441648
2024-07-23 20:31:07 >>>故障排除日志:终端同步成功后剩余订单列表
===20:53:58===
2024-07-23 20:53:43 >>>回调事件[910,devices/TL1934]
2024-07-23 20:53:43 >>>故障排除日志:上一MQTT订单号缓存列表为24072320305691441648
2024-07-23 20:53:43 >>>故障排除日志:终端未同步成功订单列表
2024-07-23 20:53:43 开始打印,排队:85,票券:2407232053350807999201,订单:24072320533508076046,[2024-07-23 20:53:35微信支付13元]
2024-07-23 20:53:45 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407232053350807999201","queue_number":85,"trade_uid":"24072320533508076046"}]}
2024-07-23 20:53:45 >>>故障排除日志:删除未同步下发订单成功24072320533508076046
2024-07-23 20:53:45 >>>故障排除日志:终端同步成功后剩余订单列表
===21:00:58===
2024-07-23 21:00:11>>>cash read=0A
2024-07-23 21:00:12>>>cash read=3E
===21:02:58===
2024-07-23 21:02:22 >>>回调事件[910,devices/TL1934]
2024-07-23 21:02:22 >>>故障排除日志:上一MQTT订单号缓存列表为24072320533508076046
2024-07-23 21:02:22 >>>故障排除日志:终端未同步成功订单列表
2024-07-23 21:02:22 开始打印,排队:86,票券:2407232102090063741501,订单:24072321020900632146,[2024-07-23 21:02:09微信支付13元]
2024-07-23 21:02:25 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407232102090063741501","queue_number":86,"trade_uid":"24072321020900632146"}]}
2024-07-23 21:02:25 >>>故障排除日志:删除未同步下发订单成功24072321020900632146
2024-07-23 21:02:25 >>>故障排除日志:终端同步成功后剩余订单列表
===21:09:59===
2024-07-23 21:09:26 >>>回调事件[910,devices/TL1934]
2024-07-23 21:09:26 >>>故障排除日志:上一MQTT订单号缓存列表为24072321020900632146
2024-07-23 21:09:26 >>>故障排除日志:终端未同步成功订单列表
2024-07-23 21:09:26 开始打印,排队:87,票券:2407232109161943548401,订单:24072321091619414313,[2024-07-23 21:09:16微信支付13元]
2024-07-23 21:09:28 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407232109161943548401","queue_number":87,"trade_uid":"24072321091619414313"}]}
2024-07-23 21:09:28 >>>故障排除日志:删除未同步下发订单成功24072321091619414313
2024-07-23 21:09:28 >>>故障排除日志:终端同步成功后剩余订单列表
===21:16:59===
2024-07-23 21:16:09 >>>回调事件[910,devices/TL1934]
2024-07-23 21:16:09 >>>故障排除日志:上一MQTT订单号缓存列表为24072321091619414313
2024-07-23 21:16:09 >>>故障排除日志:终端未同步成功订单列表
2024-07-23 21:16:09 开始打印,排队:88,票券:2407232116020332706801,订单:24072321160203322535,[2024-07-23 21:16:02微信支付13元]
2024-07-23 21:16:11 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407232116020332706801","queue_number":88,"trade_uid":"24072321160203322535"}]}
2024-07-23 21:16:11 >>>故障排除日志:删除未同步下发订单成功24072321160203322535
2024-07-23 21:16:11 >>>故障排除日志:终端同步成功后剩余订单列表
===21:24:59===
2024-07-23 21:24:51 >>>回调事件[910,devices/TL1934]
2024-07-23 21:24:51 >>>故障排除日志:上一MQTT订单号缓存列表为24072321160203322535
2024-07-23 21:24:51 >>>故障排除日志:终端未同步成功订单列表
2024-07-23 21:24:51 开始打印,排队:89,票券:2407232124461976530601,订单:24072321244619760524,[2024-07-23 21:24:46微信支付13元]
2024-07-23 21:24:53 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407232124461976530601","queue_number":89,"trade_uid":"24072321244619760524"}]}
2024-07-23 21:24:53 >>>故障排除日志:删除未同步下发订单成功24072321244619760524
2024-07-23 21:24:53 >>>故障排除日志:终端同步成功后剩余订单列表
===21:27:59===
2024-07-23 21:27:39 >>>回调事件[910,devices/TL1934]
2024-07-23 21:27:39 >>>故障排除日志:上一MQTT订单号缓存列表为24072321244619760524
2024-07-23 21:27:39 >>>故障排除日志:终端未同步成功订单列表
2024-07-23 21:27:39 开始打印,排队:90,票券:2407232127246136074201,订单:24072321272461357193,[2024-07-23 21:27:24微信支付13元]
2024-07-23 21:27:41 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407232127246136074201","queue_number":90,"trade_uid":"24072321272461357193"}]}
2024-07-23 21:27:41 >>>故障排除日志:删除未同步下发订单成功24072321272461357193
2024-07-23 21:27:41 >>>故障排除日志:终端同步成功后剩余订单列表
===21:34:00===
2024-07-23 21:33:07 >>>回调事件[910,devices/TL1934]
2024-07-23 21:33:07 >>>故障排除日志:上一MQTT订单号缓存列表为24072321272461357193
2024-07-23 21:33:07 >>>故障排除日志:终端未同步成功订单列表
2024-07-23 21:33:07 开始打印,排队:91,票券:2407232132565620932901,订单:24072321325656206006,[2024-07-23 21:32:56微信支付13元]
2024-07-23 21:33:11 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407232132565620932901","queue_number":91,"trade_uid":"24072321325656206006"}]}
2024-07-23 21:33:11 >>>故障排除日志:删除未同步下发订单成功24072321325656206006
2024-07-23 21:33:11 >>>故障排除日志:终端同步成功后剩余订单列表
===22:10:01===
2024-07-23 22:09:58 >>>回调事件[910,devices/TL1934]
2024-07-23 22:09:58 >>>故障排除日志:上一MQTT订单号缓存列表为24072321325656206006
2024-07-23 22:09:58 >>>故障排除日志:终端未同步成功订单列表
2024-07-23 22:09:58 开始打印,排队:92,票券:2407232209516526068701,订单:24072322095165256020,[2024-07-23 22:09:51微信支付13元]
===22:11:01===
2024-07-23 22:10:00 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407232209516526068701","queue_number":92,"trade_uid":"24072322095165256020"}]}
2024-07-23 22:10:00 >>>故障排除日志:删除未同步下发订单成功24072322095165256020
2024-07-23 22:10:00 >>>故障排除日志:终端同步成功后剩余订单列表
===22:32:01===
2024-07-23 22:31:02 >>>回调事件[910,devices/TL1934]
2024-07-23 22:31:02 >>>故障排除日志:上一MQTT订单号缓存列表为24072322095165256020
2024-07-23 22:31:02 >>>故障排除日志:终端未同步成功订单列表
2024-07-23 22:31:02 开始打印,排队:93,票券:2407232230542222541501,订单:24072322305422220661,[2024-07-23 22:30:54微信支付13元]
2024-07-23 22:31:04 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2407232230542222541501","queue_number":93,"trade_uid":"24072322305422220661"}]}
2024-07-23 22:31:04 >>>故障排除日志:删除未同步下发订单成功24072322305422220661
2024-07-23 22:31:04 >>>故障排除日志:终端同步成功后剩余订单列表