TLClient_JSSCOM_LuatOS-Air_V3205_RDA8910_RFTTS_0xe0000,2.0.7,869298054230768,11428025502859,
poweron reason:0

===08:59:23===
上一时间戳为1676768960
隔日重置时间戳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":"14871571925147192739","use_timer":1,"old_price":"12","end_hour":"23","sale_price":"12","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"理发"}]
打印门店标题设置为12元快剪店
是否打印二维码设置为1
是否打印紧凑设置为3
session_id:e6561****0f75a
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[2.0.7]
定时检测未同步订单启用
2023-02-20 08:58:23>>>cash write=30
2023-02-20 08:58:23>>>cash write=02
2023-02-20 08:58:23>>>cash write=3E
2023-02-20 08:58:23>>>cash read=808F808F
系统时间初始化成功，时间为202322085823
2023-02-20 08:58:24>>>cash write=02
2023-02-20 08:58:24 >>>剩余flash空间=1675000,占用RAM为596.22265625
2023-02-20 08:58:24 >>>回调事件:910,subscribe,10000,连接服务器成功

2023-02-20 08:58:24 >>>剩余flash空间=1674500,占用RAM为572.529296875
2023-02-20 08:58:24 >>>回调事件:911,GetMqttQueue,500,暂无需要下发的信息，请求类型：ticket

2023-02-20 08:58:27>>>cash write=0C
2023-02-20 08:58:27>>>cash read=3E
流量卡还有160天过期
2023-02-20 08:58:35 >>>当前Ram内存为597.4404296875
2023-02-20 08:59:07 >>>回调事件[910,devices/TL1458]
当日首次设置时间戳true为1676854747
2023-02-20 08:59:07 >>>故障排除日志:上一MQTT订单号缓存列表为23021920463717771992
2023-02-20 08:59:07 >>>故障排除日志:终端未同步成功订单列表
2023-02-20 08:59:07 开始打印,排队:1,票券:2302200858526629905801,订单:23022008585266290682,[2023-02-20 08:58:52支付宝支付12元]
2023-02-20 08:59:09 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2302200858526629905801","queue_number":1,"trade_uid":"23022008585266290682"}]}
2023-02-20 08:59:09 >>>故障排除日志:删除未同步下发订单成功23022008585266290682
2023-02-20 08:59:09 >>>故障排除日志:终端同步成功后剩余订单列表


===09:00:24===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>


===10:16:24===
2023-02-20 10:16:07 >>>回调事件[910,devices/TL1458]
2023-02-20 10:16:07 >>>故障排除日志:上一MQTT订单号缓存列表为23022008585266290682
2023-02-20 10:16:07 >>>故障排除日志:终端未同步成功订单列表
2023-02-20 10:16:07 开始打印,排队:2,票券:2302201015577533187001,订单:23022010155775324301,[2023-02-20 10:15:57微信支付12元]
2023-02-20 10:16:09 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2302201015577533187001","queue_number":2,"trade_uid":"23022010155775324301"}]}
2023-02-20 10:16:09 >>>故障排除日志:删除未同步下发订单成功23022010155775324301
2023-02-20 10:16:09 >>>故障排除日志:终端同步成功后剩余订单列表
2023-02-20 10:16:17 >>>回调事件[910,devices/TL1458]
2023-02-20 10:16:17 >>>故障排除日志:上一MQTT订单号缓存列表为23022010155775324301
2023-02-20 10:16:17 >>>故障排除日志:终端未同步成功订单列表
2023-02-20 10:16:17 开始打印,排队:3,票券:2302201015525232840401,订单:23022010155252319709,[2023-02-20 10:15:52微信支付12元]
2023-02-20 10:16:19 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2302201015525232840401","queue_number":3,"trade_uid":"23022010155252319709"}]}
2023-02-20 10:16:19 >>>故障排除日志:删除未同步下发订单成功23022010155252319709
2023-02-20 10:16:19 >>>故障排除日志:终端同步成功后剩余订单列表


===11:45:24===
2023-02-20 11:44:41 >>>回调事件[910,devices/TL1458]
2023-02-20 11:44:41 >>>故障排除日志:上一MQTT订单号缓存列表为23022010155252319709
2023-02-20 11:44:41 >>>故障排除日志:终端未同步成功订单列表
2023-02-20 11:44:41 开始打印,排队:4,票券:2302201144342525435601,订单:23022011443425246876,[2023-02-20 11:44:34微信支付12元]
2023-02-20 11:44:43 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2302201144342525435601","queue_number":4,"trade_uid":"23022011443425246876"}]}
2023-02-20 11:44:43 >>>故障排除日志:删除未同步下发订单成功23022011443425246876
2023-02-20 11:44:43 >>>故障排除日志:终端同步成功后剩余订单列表


===12:50:24===
2023-02-20 12:50:01 >>>回调事件[910,devices/TL1458]
2023-02-20 12:50:01 >>>故障排除日志:上一MQTT订单号缓存列表为23022011443425246876
2023-02-20 12:50:01 >>>故障排除日志:终端未同步成功订单列表
2023-02-20 12:50:01 开始打印,排队:5,票券:2302201249547178327401,订单:23022012495471777119,[2023-02-20 12:49:54微信支付12元]
2023-02-20 12:50:03 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2302201249547178327401","queue_number":5,"trade_uid":"23022012495471777119"}]}
2023-02-20 12:50:03 >>>故障排除日志:删除未同步下发订单成功23022012495471777119
2023-02-20 12:50:03 >>>故障排除日志:终端同步成功后剩余订单列表


===13:02:24===
2023-02-20 13:02:18 >>>回调事件[910,devices/TL1458]
2023-02-20 13:02:18 >>>故障排除日志:上一MQTT订单号缓存列表为23022012495471777119
2023-02-20 13:02:18 >>>故障排除日志:终端未同步成功订单列表
2023-02-20 13:02:18 开始打印,排队:6,票券:2302201302013813919201,订单:23022013020138132252,[2023-02-20 13:02:01微信支付12元]
2023-02-20 13:02:20 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2302201302013813919201","queue_number":6,"trade_uid":"23022013020138132252"}]}
2023-02-20 13:02:20 >>>故障排除日志:删除未同步下发订单成功23022013020138132252
2023-02-20 13:02:20 >>>故障排除日志:终端同步成功后剩余订单列表


===13:05:25===
2023-02-20 13:04:37 >>>回调事件[910,devices/TL1458]
2023-02-20 13:04:37 >>>故障排除日志:上一MQTT订单号缓存列表为23022013020138132252
2023-02-20 13:04:37 >>>故障排除日志:终端未同步成功订单列表
2023-02-20 13:04:37 开始打印,排队:7,票券:2302201304315980510301,订单:23022013043159798106,[2023-02-20 13:04:31微信支付12元]
2023-02-20 13:04:39 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2302201304315980510301","queue_number":7,"trade_uid":"23022013043159798106"}]}
2023-02-20 13:04:39 >>>故障排除日志:删除未同步下发订单成功23022013043159798106
2023-02-20 13:04:39 >>>故障排除日志:终端同步成功后剩余订单列表


===13:23:25===
2023-02-20 13:23:05 >>>回调事件[910,devices/TL1458]
2023-02-20 13:23:05 >>>故障排除日志:上一MQTT订单号缓存列表为23022013043159798106
2023-02-20 13:23:05 >>>故障排除日志:终端未同步成功订单列表
2023-02-20 13:23:05 开始打印,排队:8,票券:2302201322588103731201,订单:23022013225881028323,[2023-02-20 13:22:58微信支付12元]
2023-02-20 13:23:07 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2302201322588103731201","queue_number":8,"trade_uid":"23022013225881028323"}]}
2023-02-20 13:23:07 >>>故障排除日志:删除未同步下发订单成功23022013225881028323
2023-02-20 13:23:07 >>>故障排除日志:终端同步成功后剩余订单列表


===14:29:25===
2023-02-20 14:29:01 >>>回调事件[910,devices/TL1458]
2023-02-20 14:29:01 >>>故障排除日志:上一MQTT订单号缓存列表为23022013225881028323
2023-02-20 14:29:01 >>>故障排除日志:终端未同步成功订单列表
2023-02-20 14:29:01 开始打印,排队:9,票券:2302201428555318536501,订单:23022014285553176314,[2023-02-20 14:28:55微信支付12元]
2023-02-20 14:29:03 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2302201428555318536501","queue_number":9,"trade_uid":"23022014285553176314"}]}
2023-02-20 14:29:03 >>>故障排除日志:删除未同步下发订单成功23022014285553176314
2023-02-20 14:29:03 >>>故障排除日志:终端同步成功后剩余订单列表


===15:22:25===
2023-02-20 15:21:26 >>>回调事件[910,devices/TL1458]
2023-02-20 15:21:26 >>>故障排除日志:上一MQTT订单号缓存列表为23022014285553176314
2023-02-20 15:21:26 >>>故障排除日志:终端未同步成功订单列表
2023-02-20 15:21:26 开始打印,排队:10,票券:2302201521070906473501,订单:23022015210709058030,[2023-02-20 15:21:07微信支付12元]
2023-02-20 15:21:28 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2302201521070906473501","queue_number":10,"trade_uid":"23022015210709058030"}]}
2023-02-20 15:21:28 >>>故障排除日志:删除未同步下发订单成功23022015210709058030
2023-02-20 15:21:28 >>>故障排除日志:终端同步成功后剩余订单列表


===15:44:26===
2023-02-20 15:43:32 >>>回调事件[910,devices/TL1458]
2023-02-20 15:43:32 >>>故障排除日志:上一MQTT订单号缓存列表为23022015210709058030
2023-02-20 15:43:32 >>>故障排除日志:终端未同步成功订单列表
2023-02-20 15:43:32 开始打印,排队:11,票券:2302201543261359622601,订单:23022015432613587824,[2023-02-20 15:43:26微信支付12元]
2023-02-20 15:43:34 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2302201543261359622601","queue_number":11,"trade_uid":"23022015432613587824"}]}
2023-02-20 15:43:34 >>>故障排除日志:删除未同步下发订单成功23022015432613587824
2023-02-20 15:43:34 >>>故障排除日志:终端同步成功后剩余订单列表


===15:49:26===
2023-02-20 15:49:07 >>>回调事件[910,devices/TL1458]
2023-02-20 15:49:08 >>>故障排除日志:上一MQTT订单号缓存列表为23022015432613587824
2023-02-20 15:49:08 >>>故障排除日志:终端未同步成功订单列表
2023-02-20 15:49:08 开始打印,排队:12,票券:2302201548580669728201,订单:23022015485806690246,[2023-02-20 15:48:58支付宝支付12元]
2023-02-20 15:49:09 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2302201548580669728201","queue_number":12,"trade_uid":"23022015485806690246"}]}
2023-02-20 15:49:09 >>>故障排除日志:删除未同步下发订单成功23022015485806690246
2023-02-20 15:49:10 >>>故障排除日志:终端同步成功后剩余订单列表


===15:54:26===
2023-02-20 15:54:13 >>>回调事件[910,devices/TL1458]
2023-02-20 15:54:13 >>>故障排除日志:上一MQTT订单号缓存列表为23022015485806690246
2023-02-20 15:54:13 >>>故障排除日志:终端未同步成功订单列表
2023-02-20 15:54:13 开始打印,排队:13,票券:2302201554060198985301,订单:23022015540601982748,[2023-02-20 15:54:06微信支付12元]
2023-02-20 15:54:15 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2302201554060198985301","queue_number":13,"trade_uid":"23022015540601982748"}]}
2023-02-20 15:54:15 >>>故障排除日志:删除未同步下发订单成功23022015540601982748
2023-02-20 15:54:16 >>>故障排除日志:终端同步成功后剩余订单列表


===16:48:26===
2023-02-20 16:47:42 >>>回调事件[910,devices/TL1458]
2023-02-20 16:47:42 >>>故障排除日志:上一MQTT订单号缓存列表为23022015540601982748
2023-02-20 16:47:42 >>>故障排除日志:终端未同步成功订单列表
2023-02-20 16:47:42 开始打印,排队:14,票券:2302201647358401871401,订单:23022016473584008393,[2023-02-20 16:47:35支付宝支付12元]
2023-02-20 16:47:44 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2302201647358401871401","queue_number":14,"trade_uid":"23022016473584008393"}]}
2023-02-20 16:47:44 >>>故障排除日志:删除未同步下发订单成功23022016473584008393
2023-02-20 16:47:44 >>>故障排除日志:终端同步成功后剩余订单列表


===16:55:26===
2023-02-20 16:54:50 >>>回调事件[910,devices/TL1458]
2023-02-20 16:54:50 >>>故障排除日志:上一MQTT订单号缓存列表为23022016473584008393
2023-02-20 16:54:50 >>>故障排除日志:终端未同步成功订单列表
2023-02-20 16:54:50 开始打印,排队:15,票券:2302201654333769604001,订单:23022016543337688152,[2023-02-20 16:54:33微信支付12元]
2023-02-20 16:54:52 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2302201654333769604001","queue_number":15,"trade_uid":"23022016543337688152"}]}
2023-02-20 16:54:52 >>>故障排除日志:删除未同步下发订单成功23022016543337688152
2023-02-20 16:54:52 >>>故障排除日志:终端同步成功后剩余订单列表


===17:39:27===
2023-02-20 17:39:11 >>>回调事件[910,devices/TL1458]
2023-02-20 17:39:11 >>>故障排除日志:上一MQTT订单号缓存列表为23022016543337688152
2023-02-20 17:39:11 >>>故障排除日志:终端未同步成功订单列表
2023-02-20 17:39:11 开始打印,排队:16,票券:2302201739046204470401,订单:23022017390462037937,[2023-02-20 17:39:04微信支付12元]
2023-02-20 17:39:13 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2302201739046204470401","queue_number":16,"trade_uid":"23022017390462037937"}]}
2023-02-20 17:39:13 >>>故障排除日志:删除未同步下发订单成功23022017390462037937
2023-02-20 17:39:13 >>>故障排除日志:终端同步成功后剩余订单列表


===17:51:27===
2023-02-20 17:50:34 >>>回调事件[910,devices/TL1458]
2023-02-20 17:50:34 >>>故障排除日志:上一MQTT订单号缓存列表为23022017390462037937
2023-02-20 17:50:34 >>>故障排除日志:终端未同步成功订单列表
2023-02-20 17:50:34 开始打印,排队:17,票券:2302201750275099559601,订单:23022017502750988802,[2023-02-20 17:50:27微信支付12元]
2023-02-20 17:50:36 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2302201750275099559601","queue_number":17,"trade_uid":"23022017502750988802"}]}
2023-02-20 17:50:36 >>>故障排除日志:删除未同步下发订单成功23022017502750988802
2023-02-20 17:50:36 >>>故障排除日志:终端同步成功后剩余订单列表


===18:13:27===
2023-02-20 18:12:54 >>>回调事件[910,devices/TL1458]
2023-02-20 18:12:54 >>>故障排除日志:上一MQTT订单号缓存列表为23022017502750988802
2023-02-20 18:12:54 >>>故障排除日志:终端未同步成功订单列表
2023-02-20 18:12:54 开始打印,排队:18,票券:2302201812430422664101,订单:23022018124304218017,[2023-02-20 18:12:43支付宝支付12元]
2023-02-20 18:12:56 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2302201812430422664101","queue_number":18,"trade_uid":"23022018124304218017"}]}
2023-02-20 18:12:56 >>>故障排除日志:删除未同步下发订单成功23022018124304218017
2023-02-20 18:12:56 >>>故障排除日志:终端同步成功后剩余订单列表


===18:25:27===
2023-02-20 18:25:11 >>>回调事件[910,devices/TL1458]
2023-02-20 18:25:11 >>>故障排除日志:上一MQTT订单号缓存列表为23022018124304218017
2023-02-20 18:25:11 >>>故障排除日志:终端未同步成功订单列表
2023-02-20 18:25:11 开始打印,排队:19,票券:2302201825053254751701,订单:23022018250532541402,[2023-02-20 18:25:05微信支付12元]
2023-02-20 18:25:13 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2302201825053254751701","queue_number":19,"trade_uid":"23022018250532541402"}]}
2023-02-20 18:25:13 >>>故障排除日志:删除未同步下发订单成功23022018250532541402
2023-02-20 18:25:13 >>>故障排除日志:终端同步成功后剩余订单列表


===18:26:28===
2023-02-20 18:25:46 >>>回调事件[910,devices/TL1458]
2023-02-20 18:25:46 >>>故障排除日志:上一MQTT订单号缓存列表为23022018250532541402
2023-02-20 18:25:46 >>>故障排除日志:终端未同步成功订单列表
2023-02-20 18:25:46 开始打印,排队:20,票券:2302201825386172994301,订单:23022018253861723283,[2023-02-20 18:25:38微信支付12元]
2023-02-20 18:25:48 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2302201825386172994301","queue_number":20,"trade_uid":"23022018253861723283"}]}
2023-02-20 18:25:48 >>>故障排除日志:删除未同步下发订单成功23022018253861723283
2023-02-20 18:25:48 >>>故障排除日志:终端同步成功后剩余订单列表


===18:46:28===
2023-02-20 18:45:53 >>>回调事件[910,devices/TL1458]
2023-02-20 18:45:53 >>>故障排除日志:上一MQTT订单号缓存列表为23022018253861723283
2023-02-20 18:45:53 >>>故障排除日志:终端未同步成功订单列表
2023-02-20 18:45:53 开始打印,排队:21,票券:2302201845335685674201,订单:23022018453356846482,[2023-02-20 18:45:33微信支付12元]
2023-02-20 18:45:55 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2302201845335685674201","queue_number":21,"trade_uid":"23022018453356846482"}]}
2023-02-20 18:45:55 >>>故障排除日志:删除未同步下发订单成功23022018453356846482
2023-02-20 18:45:55 >>>故障排除日志:终端同步成功后剩余订单列表


===18:49:28===
2023-02-20 18:49:14 >>>回调事件[910,devices/TL1458]
2023-02-20 18:49:14 >>>故障排除日志:上一MQTT订单号缓存列表为23022018453356846482
2023-02-20 18:49:14 >>>故障排除日志:终端未同步成功订单列表
2023-02-20 18:49:14 开始打印,排队:22,票券:2302201849068362070901,订单:23022018490683609937,[2023-02-20 18:49:06微信支付12元]
2023-02-20 18:49:14 开始打印,排队:23,票券:2302201849068362345202,订单:23022018490683609937,[2023-02-20 18:49:06微信支付12元]
2023-02-20 18:49:18 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2302201849068362070901","queue_number":22,"trade_uid":"23022018490683609937"},{"ticket_no":"2302201849068362345202","queue_number":23,"trade_uid":"23022018490683609937"}]}
2023-02-20 18:49:18 >>>故障排除日志:删除未同步下发订单成功23022018490683609937
2023-02-20 18:49:18 >>>故障排除日志:删除未同步下发订单成功23022018490683609937
2023-02-20 18:49:18 >>>故障排除日志:终端同步成功后剩余订单列表


===18:50:28===
2023-02-20 18:50:20 >>>回调事件[910,devices/TL1458]
2023-02-20 18:50:20 >>>故障排除日志:上一MQTT订单号缓存列表为23022018490683609937|23022018490683609937
2023-02-20 18:50:20 >>>故障排除日志:终端未同步成功订单列表
2023-02-20 18:50:20 开始打印,排队:24,票券:2302201850135926800601,订单:23022018501359261706,[2023-02-20 18:50:13微信支付12元]
2023-02-20 18:50:22 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2302201850135926800601","queue_number":24,"trade_uid":"23022018501359261706"}]}
2023-02-20 18:50:22 >>>故障排除日志:删除未同步下发订单成功23022018501359261706
2023-02-20 18:50:22 >>>故障排除日志:终端同步成功后剩余订单列表


===19:09:28===
2023-02-20 19:08:34 >>>回调事件[910,devices/TL1458]
2023-02-20 19:08:34 >>>故障排除日志:上一MQTT订单号缓存列表为23022018501359261706
2023-02-20 19:08:34 >>>故障排除日志:终端未同步成功订单列表
2023-02-20 19:08:34 开始打印,排队:25,票券:2302201908178883488601,订单:23022019081788827291,[2023-02-20 19:08:17微信支付12元]
2023-02-20 19:08:36 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2302201908178883488601","queue_number":25,"trade_uid":"23022019081788827291"}]}
2023-02-20 19:08:36 >>>故障排除日志:删除未同步下发订单成功23022019081788827291
2023-02-20 19:08:36 >>>故障排除日志:终端同步成功后剩余订单列表


===19:54:29===
2023-02-20 19:53:52 >>>回调事件[910,devices/TL1458]
2023-02-20 19:53:52 >>>故障排除日志:上一MQTT订单号缓存列表为23022019081788827291
2023-02-20 19:53:52 >>>故障排除日志:终端未同步成功订单列表
2023-02-20 19:53:52 开始打印,排队:26,票券:2302201953405632715701,订单:23022019534056320964,[2023-02-20 19:53:40微信支付12元]
2023-02-20 19:53:54 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2302201953405632715701","queue_number":26,"trade_uid":"23022019534056320964"}]}
2023-02-20 19:53:54 >>>故障排除日志:删除未同步下发订单成功23022019534056320964
2023-02-20 19:53:54 >>>故障排除日志:终端同步成功后剩余订单列表


===20:23:29===
2023-02-20 20:22:44 >>>回调事件[910,devices/TL1458]
2023-02-20 20:22:44 >>>故障排除日志:上一MQTT订单号缓存列表为23022019534056320964
2023-02-20 20:22:44 >>>故障排除日志:终端未同步成功订单列表
2023-02-20 20:22:44 开始打印,排队:27,票券:2302202022353329333001,订单:23022020223533285571,[2023-02-20 20:22:35支付宝支付12元]
2023-02-20 20:22:46 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2302202022353329333001","queue_number":27,"trade_uid":"23022020223533285571"}]}
2023-02-20 20:22:46 >>>故障排除日志:删除未同步下发订单成功23022020223533285571
2023-02-20 20:22:46 >>>故障排除日志:终端同步成功后剩余订单列表