TLClient_JSSCOM_LuatOS-Air_V4010_RDA8910_RFTTS_0xe0000,2.7.0,863013071892417,17301454189631,
poweron reason:0
===09:05:21===
上一时间戳为1750123719
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":"4280687130348559759","use_timer":1,"old_price":"20","end_hour":"23","sale_price":"20","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"女士洗剪吹（短发）"},{"time_limit_date":null,"ticket_category":"0","expiry_date":90,"product_detail":"","time_limit_status":"0","begin_minute":null,"product_uid":"749783867489338214","use_timer":1,"old_price":"35","end_hour":null,"sale_price":"35","end_minute":null,"begin_hour":null,"sale_status":1,"product_name":"染发"},{"time_limit_date":null,"ticket_category":"0","expiry_date":90,"product_detail":"","time_limit_status":"0","begin_minute":null,"product_uid":"749783867489338218","use_timer":1,"old_price":"88","end_hour":null,"sale_price":"88","end_minute":null,"begin_hour":null,"sale_status":1,"product_name":"烫发短发"},{"time_limit_date":"","ticket_category":"0","expiry_date":7,"product_detail":"","time_limit_status":"0","begin_minute":"00","product_uid":"749783867489338228","use_timer":1,"old_price":"50","end_hour":"23","sale_price":"50","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"染发"},{"time_limit_date":"","ticket_category":"0","expiry_date":730,"product_detail":"","time_limit_status":"0","begin_minute":"00","product_uid":"749783867489338231","use_timer":1,"old_price":"168","end_hour":"23","sale_price":"168","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"烫发\/染发"},{"time_limit_date":"","ticket_category":"0","expiry_date":7,"product_detail":"","time_limit_status":"0","begin_minute":"00","product_uid":"749783867489338232","use_timer":1,"old_price":"128","end_hour":"23","sale_price":"128","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"烫染"},{"time_limit_date":"","ticket_category":"0","expiry_date":7,"product_detail":"","time_limit_status":"0","begin_minute":"00","product_uid":"821841461695073929","use_timer":1,"old_price":"5","end_hour":"23","sale_price":"5","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"单洗"},{"time_limit_date":null,"ticket_category":"0","expiry_date":90,"product_detail":"","time_limit_status":"0","begin_minute":null,"product_uid":"821841461695073937","use_timer":1,"old_price":"15","end_hour":null,"sale_price":"15","end_minute":null,"begin_hour":null,"sale_status":1,"product_name":"洗剪吹（男士）"},{"time_limit_date":"","ticket_category":"0","expiry_date":730,"product_detail":"","time_limit_status":"0","begin_minute":"00","product_uid":"821841461695073958","use_timer":1,"old_price":"80","end_hour":"23","sale_price":"80","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"烫\/染发"},{"time_limit_date":"","ticket_category":"0","expiry_date":90,"product_detail":"","time_limit_status":"0","begin_minute":"00","product_uid":"821841461695073961","use_timer":1,"old_price":"10","end_hour":"23","sale_price":"10","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"剪发一律10元"},{"time_limit_date":"","ticket_category":"0","expiry_date":7,"product_detail":"","time_limit_status":"0","begin_minute":"00","product_uid":"821922613860412642","use_timer":1,"old_price":"25","end_hour":"23","sale_price":"25","end_minute":"59","begin_hour":"00","sale_status":1,"product_name":"女士洗剪吹(中长发)"}]
打印门店标题设置为合剪（重庆龙珠店）
打印门店凭条广告设置为合剪（重庆龙珠店）
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:fe9e7****f3387
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[2.7.0]
定时检测未同步订单启用
2025-06-18 09:04:21>>>cash write=30
2025-06-18 09:04:21>>>cash write=02
2025-06-18 09:04:21>>>cash write=3E
2025-06-18 09:04:21>>>cash read=808F808F
系统时间初始化成功，时间为20256189421
2025-06-18 09:04:22>>>cash write=02
2025-06-18 09:04:22 >>>剩余flash空间=1677000,占用RAM为656.814453125
2025-06-18 09:04:22 >>>回调事件:910,subscribe,10000,连接服务器成功
2025-06-18 09:04:23 >>>剩余flash空间=1677000,占用RAM为622.75
2025-06-18 09:04:23 >>>回调事件:911,GetMqttQueue,500,暂无需要下发的信息，请求类型：ticket
2025-06-18 09:04:25>>>cash write=0C
2025-06-18 09:04:25>>>cash read=3E
流量卡还有254天过期
2025-06-18 09:04:33 >>>当前Ram内存为666.2138671875
===09:06:22===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===10:24:22===
2025-06-18 10:24:14>>>cash read=00
2025-06-18 10:24:15>>>cash read=29
2025-06-18 10:24:15 >>>回调事件130,cash_status,20029,退钞中
2025-06-18 10:24:16>>>cash read=22
2025-06-18 10:24:16 >>>回调事件130,cash_status,30022,卡钞
2025-06-18 10:24:17>>>cash read=01
2025-06-18 10:24:18>>>cash read=0C
===10:25:23===
2025-06-18 10:24:25>>>cash read=3E
2025-06-18 10:24:26>>>cash read=00
2025-06-18 10:24:27>>>cash read=818F42
2025-06-18 10:24:27>>>cash write=02
2025-06-18 10:24:27 >>>回调事件130,cash_status,10022,进钞中...read money=10
2025-06-18 10:24:27>>>cash read=10
2025-06-18 10:24:27 >>>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1750213467
2025-06-18 10:24:29>>>cash write=0C
2025-06-18 10:24:29>>>cash read=00
2025-06-18 10:24:29>>>cash read=818F41
2025-06-18 10:24:29>>>cash write=02
2025-06-18 10:24:29 >>>回调事件130,cash_status,10022,进钞中...read money=5
2025-06-18 10:24:30>>>cash read=10
2025-06-18 10:24:30 >>>回调事件130,5,10023,finish Money=5,进钞完成
2025-06-18 10:24:30 当前产品价格15元，投币15元，打印小票中...
2025-06-18 10:24:30 >>>开始打印,排队号为1,订单号为2506181024270040577039
2025-06-18 10:24:30>>>订单2506181024270040577039写入成功,剩余空间为1679500,占用RAM为621.4150390625
删除未同步订单2506181024270040577039
2025-06-18 10:24:32>>>订单2506181024270040577039删除成功,剩余空间为1680000,占用RAM为619.4921875
检测订单目录中>>>
无未同步订单>>>
2025-06-18 10:24:32 >>>当前Ram内存为605.4658203125
定时检测未同步订单启用
2025-06-18 10:24:33>>>cash write=0C
2025-06-18 10:24:33>>>cash read=3E
===10:26:23===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>
===11:11:23===
2025-06-18 11:10:48 >>>回调事件[910,devices/D0577]
2025-06-18 11:10:48 >>>故障排除日志:上一MQTT订单号缓存列表为2506172129590098049323
2025-06-18 11:10:48 >>>故障排除日志:终端未同步成功订单列表
2025-06-18 11:10:48 开始打印,排队:2,票券:2506181110398529637301,订单:2506181110390036266568,[2025-06-18 11:10:47支付宝支付15元]
2025-06-18 11:10:50 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2506181110398529637301","queue_number":2,"trade_uid":"2506181110390036266568"}]}
2025-06-18 11:10:50 >>>故障排除日志:删除未同步下发订单成功2506181110390036266568
2025-06-18 11:10:50 >>>故障排除日志:终端同步成功后剩余订单列表
===12:52:24===
2025-06-18 12:52:13>>>cash read=0A
2025-06-18 12:52:14>>>cash read=3E
===13:16:25===
2025-06-18 13:16:01 >>>回调事件[910,devices/D0577]
2025-06-18 13:16:01 >>>故障排除日志:上一MQTT订单号缓存列表为2506181110390036266568
2025-06-18 13:16:01 >>>故障排除日志:终端未同步成功订单列表
2025-06-18 13:16:01 开始打印,排队:3,票券:2506181315544707249501,订单:2506181315540046700425,[2025-06-18 13:16:01微信支付15元]
2025-06-18 13:16:03 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2506181315544707249501","queue_number":3,"trade_uid":"2506181315540046700425"}]}
2025-06-18 13:16:03 >>>故障排除日志:删除未同步下发订单成功2506181315540046700425
2025-06-18 13:16:03 >>>故障排除日志:终端同步成功后剩余订单列表
===13:24:25===
2025-06-18 13:24:12 >>>回调事件[910,devices/D0577]
2025-06-18 13:24:12 >>>故障排除日志:上一MQTT订单号缓存列表为2506181315540046700425
2025-06-18 13:24:12 >>>故障排除日志:终端未同步成功订单列表
2025-06-18 13:24:12 开始打印,排队:4,票券:2506181324053361885601,订单:2506181324050032986845,[2025-06-18 13:24:12微信支付15元]
2025-06-18 13:24:14 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2506181324053361885601","queue_number":4,"trade_uid":"2506181324050032986845"}]}
2025-06-18 13:24:14 >>>故障排除日志:删除未同步下发订单成功2506181324050032986845
2025-06-18 13:24:14 >>>故障排除日志:终端同步成功后剩余订单列表
===13:49:26===
2025-06-18 13:49:19 >>>回调事件[910,devices/D0577]
2025-06-18 13:49:19 >>>故障排除日志:上一MQTT订单号缓存列表为2506181324050032986845
2025-06-18 13:49:19 >>>故障排除日志:终端未同步成功订单列表
2025-06-18 13:49:19 开始打印,排队:5,票券:2506181349124364705701,订单:2506181349120043267751,[2025-06-18 13:49:18微信支付15元]
2025-06-18 13:49:21 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2506181349124364705701","queue_number":5,"trade_uid":"2506181349120043267751"}]}
2025-06-18 13:49:21 >>>故障排除日志:删除未同步下发订单成功2506181349120043267751
2025-06-18 13:49:21 >>>故障排除日志:终端同步成功后剩余订单列表
===15:11:26===
2025-06-18 15:10:29 >>>回调事件[910,devices/D0577]
2025-06-18 15:10:29 >>>故障排除日志:上一MQTT订单号缓存列表为2506181349120043267751
2025-06-18 15:10:29 >>>故障排除日志:终端未同步成功订单列表
2025-06-18 15:10:29 开始打印,排队:6,票券:2506181510212484278501,订单:2506181510210024458481,[2025-06-18 15:10:28微信支付15元]
2025-06-18 15:10:31 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2506181510212484278501","queue_number":6,"trade_uid":"2506181510210024458481"}]}
2025-06-18 15:10:31 >>>故障排除日志:删除未同步下发订单成功2506181510210024458481
2025-06-18 15:10:31 >>>故障排除日志:终端同步成功后剩余订单列表
===16:27:26===
2025-06-18 16:27:06 >>>回调事件[910,devices/D0577]
2025-06-18 16:27:06 >>>故障排除日志:上一MQTT订单号缓存列表为2506181510210024458481
2025-06-18 16:27:06 >>>故障排除日志:终端未同步成功订单列表
2025-06-18 16:27:06 开始打印,排队:7,票券:2506181626577513428601,订单:2506181626570074751297,[2025-06-18 16:27:05微信支付15元]
2025-06-18 16:27:08 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2506181626577513428601","queue_number":7,"trade_uid":"2506181626570074751297"}]}
2025-06-18 16:27:08 >>>故障排除日志:删除未同步下发订单成功2506181626570074751297
2025-06-18 16:27:08 >>>故障排除日志:终端同步成功后剩余订单列表
===16:28:26===
2025-06-18 16:27:42>>>cash read=0A
2025-06-18 16:27:43>>>cash read=3E
===17:08:27===
2025-06-18 17:07:34 >>>回调事件[910,devices/D0577]
2025-06-18 17:07:34 >>>故障排除日志:上一MQTT订单号缓存列表为2506181626570074751297
2025-06-18 17:07:34 >>>故障排除日志:终端未同步成功订单列表
2025-06-18 17:07:34 开始打印,排队:8,票券:2506181707265500823601,订单:2506181707260052682315,[2025-06-18 17:07:32微信支付10元]
2025-06-18 17:07:36 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2506181707265500823601","queue_number":8,"trade_uid":"2506181707260052682315"}]}
2025-06-18 17:07:36 >>>故障排除日志:删除未同步下发订单成功2506181707260052682315
2025-06-18 17:07:36 >>>故障排除日志:终端同步成功后剩余订单列表
===17:37:27===
2025-06-18 17:37:14 >>>回调事件[910,devices/D0577]
2025-06-18 17:37:14 >>>故障排除日志:上一MQTT订单号缓存列表为2506181707260052682315
2025-06-18 17:37:14 >>>故障排除日志:终端未同步成功订单列表
2025-06-18 17:37:14 开始打印,排队:9,票券:2506181737059583277601,订单:2506181737050093852737,[2025-06-18 17:37:13微信支付20元]
2025-06-18 17:37:16 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2506181737059583277601","queue_number":9,"trade_uid":"2506181737050093852737"}]}
2025-06-18 17:37:16 >>>故障排除日志:删除未同步下发订单成功2506181737050093852737
2025-06-18 17:37:16 >>>故障排除日志:终端同步成功后剩余订单列表
2025-06-18 17:37:22>>>cash read=0A
2025-06-18 17:37:23>>>cash read=3E
===18:10:28===
2025-06-18 18:10:24 >>>回调事件[910,devices/D0577]
2025-06-18 18:10:24 >>>故障排除日志:上一MQTT订单号缓存列表为2506181737050093852737
2025-06-18 18:10:24 >>>故障排除日志:终端未同步成功订单列表
2025-06-18 18:10:24 开始打印,排队:10,票券:2506181810151834791801,订单:2506181810150017940542,[2025-06-18 18:10:24微信支付10元]
===18:28:28===
2025-06-18 18:28:17 >>>回调事件[910,devices/D0577]
2025-06-18 18:28:17 >>>故障排除日志:上一MQTT订单号缓存列表为2506181810150017940542
2025-06-18 18:28:17 >>>故障排除日志:终端未同步成功订单列表
2025-06-18 18:28:17 开始打印,排队:11,票券:2506181828103862731801,订单:2506181828100038235931,[2025-06-18 18:28:17微信支付10元]
2025-06-18 18:28:19 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2506181828103862731801","queue_number":11,"trade_uid":"2506181828100038235931"}]}
2025-06-18 18:28:19 >>>故障排除日志:删除未同步下发订单成功2506181828100038235931
2025-06-18 18:28:19 >>>故障排除日志:终端同步成功后剩余订单列表
===18:36:28===
2025-06-18 18:36:00>>>cash read=0A
2025-06-18 18:36:02>>>cash read=3E
===19:26:29===
2025-06-18 19:26:07>>>cash read=0A
2025-06-18 19:26:08>>>cash read=3E
===19:28:29===
2025-06-18 19:28:17 >>>回调事件[910,devices/D0577]
2025-06-18 19:28:17 >>>故障排除日志:上一MQTT订单号缓存列表为2506181828100038235931
2025-06-18 19:28:17 >>>故障排除日志:终端未同步成功订单列表
2025-06-18 19:28:17 开始打印,排队:12,票券:2506181928085861621901,订单:2506181928080058182763,[2025-06-18 19:28:16微信支付10元]
2025-06-18 19:28:19 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2506181928085861621901","queue_number":12,"trade_uid":"2506181928080058182763"}]}
2025-06-18 19:28:19 >>>故障排除日志:删除未同步下发订单成功2506181928080058182763
2025-06-18 19:28:19 >>>故障排除日志:终端同步成功后剩余订单列表
===19:37:29===
2025-06-18 19:37:16 >>>回调事件[910,devices/D0577]
2025-06-18 19:37:16 >>>故障排除日志:上一MQTT订单号缓存列表为2506181928080058182763
2025-06-18 19:37:16 >>>故障排除日志:终端未同步成功订单列表
2025-06-18 19:37:16 开始打印,排队:13,票券:2506181937087880516401,订单:2506181937080078432592,[2025-06-18 19:37:16微信支付10元]
2025-06-18 19:37:19 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2506181937087880516401","queue_number":13,"trade_uid":"2506181937080078432592"}]}
2025-06-18 19:37:19 >>>故障排除日志:删除未同步下发订单成功2506181937080078432592
2025-06-18 19:37:19 >>>故障排除日志:终端同步成功后剩余订单列表
===20:14:29===
2025-06-18 20:13:54 >>>回调事件[910,devices/D0577]
2025-06-18 20:13:54 >>>故障排除日志:上一MQTT订单号缓存列表为2506181937080078432592
2025-06-18 20:13:54 >>>故障排除日志:终端未同步成功订单列表
2025-06-18 20:13:54 开始打印,排队:14,票券:2506182013491051466301,订单:2506182013490010139642,[2025-06-18 20:13:54微信支付15元]
2025-06-18 20:13:56 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2506182013491051466301","queue_number":14,"trade_uid":"2506182013490010139642"}]}
2025-06-18 20:13:56 >>>故障排除日志:删除未同步下发订单成功2506182013490010139642
2025-06-18 20:13:56 >>>故障排除日志:终端同步成功后剩余订单列表
===20:19:30===
2025-06-18 20:18:42 >>>回调事件[910,devices/D0577]
2025-06-18 20:18:42 >>>故障排除日志:上一MQTT订单号缓存列表为2506182013490010139642
2025-06-18 20:18:42 >>>故障排除日志:终端未同步成功订单列表
2025-06-18 20:18:42 开始打印,排队:15,票券:2506182018354126877501,订单:2506182018350040906368,[2025-06-18 20:18:41微信支付10元]
2025-06-18 20:18:44 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2506182018354126877501","queue_number":15,"trade_uid":"2506182018350040906368"}]}
2025-06-18 20:18:44 >>>故障排除日志:删除未同步下发订单成功2506182018350040906368
2025-06-18 20:18:45 >>>故障排除日志:终端同步成功后剩余订单列表
===20:38:30===
2025-06-18 20:37:46 >>>回调事件[910,devices/D0577]
2025-06-18 20:37:46 >>>故障排除日志:上一MQTT订单号缓存列表为2506182018350040906368
2025-06-18 20:37:46 >>>故障排除日志:终端未同步成功订单列表
2025-06-18 20:37:46 开始打印,排队:16,票券:2506182037369006078401,订单:2506182037360089642193,[2025-06-18 20:37:45微信支付10元]
2025-06-18 20:37:48 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2506182037369006078401","queue_number":16,"trade_uid":"2506182037360089642193"}]}
2025-06-18 20:37:48 >>>故障排除日志:删除未同步下发订单成功2506182037360089642193
2025-06-18 20:37:48 >>>故障排除日志:终端同步成功后剩余订单列表
===20:52:30===
2025-06-18 20:51:33 >>>回调事件[910,devices/D0577]
2025-06-18 20:51:33 >>>故障排除日志:上一MQTT订单号缓存列表为2506182037360089642193
2025-06-18 20:51:33 >>>故障排除日志:终端未同步成功订单列表
2025-06-18 20:51:33 开始打印,排队:17,票券:2506182051257522854601,订单:2506182051250074852223,[2025-06-18 20:51:32微信支付10元]
2025-06-18 20:51:35 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2506182051257522854601","queue_number":17,"trade_uid":"2506182051250074852223"}]}
2025-06-18 20:51:35 >>>故障排除日志:删除未同步下发订单成功2506182051250074852223
2025-06-18 20:51:35 >>>故障排除日志:终端同步成功后剩余订单列表
===21:18:31===
2025-06-18 21:18:00 >>>回调事件[910,devices/D0577]
2025-06-18 21:18:00 >>>故障排除日志:上一MQTT订单号缓存列表为2506182051250074852223
2025-06-18 21:18:00 >>>故障排除日志:终端未同步成功订单列表
2025-06-18 21:18:00 开始打印,排队:18,票券:2506182117541923152501,订单:2506182117540018871292,[2025-06-18 21:17:59支付宝支付20元]
2025-06-18 21:18:02 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2506182117541923152501","queue_number":18,"trade_uid":"2506182117540018871292"}]}
2025-06-18 21:18:02 >>>故障排除日志:删除未同步下发订单成功2506182117540018871292
2025-06-18 21:18:02 >>>故障排除日志:终端同步成功后剩余订单列表
===21:26:31===
2025-06-18 21:26:14 >>>回调事件[910,devices/D0577]
2025-06-18 21:26:14 >>>故障排除日志:上一MQTT订单号缓存列表为2506182117540018871292
2025-06-18 21:26:14 >>>故障排除日志:终端未同步成功订单列表
2025-06-18 21:26:14 开始打印,排队:19,票券:2506182126061153758401,订单:2506182126060011157545,[2025-06-18 21:26:13微信支付10元]
2025-06-18 21:26:16 排队号更新回调:{"return_code":"success","return_msg":"同步成功","data":[{"ticket_no":"2506182126061153758401","queue_number":19,"trade_uid":"2506182126060011157545"}]}
2025-06-18 21:26:16 >>>故障排除日志:删除未同步下发订单成功2506182126060011157545
2025-06-18 21:26:16 >>>故障排除日志:终端同步成功后剩余订单列表
===21:27:31===
2025-06-18 21:26:40>>>cash read=00
2025-06-18 21:26:41>>>cash read=818F42
2025-06-18 21:26:41>>>cash write=02
2025-06-18 21:26:41 >>>回调事件130,cash_status,10022,进钞中...read money=10
2025-06-18 21:26:41>>>cash read=10
2025-06-18 21:26:41 >>>回调事件130,10,10023,finish Money=10,进钞完成
2025-06-18 21:26:41 当前产品价格10元，投币10元，打印小票中...
2025-06-18 21:26:41 >>>开始打印,排队号为20,订单号为2506182126410040577933
2025-06-18 21:26:41>>>订单2506182126410040577933写入成功,剩余空间为1680000,占用RAM为622.7041015625
删除未同步订单2506182126410040577933
2025-06-18 21:26:43>>>订单2506182126410040577933删除成功,剩余空间为1680500,占用RAM为634.5185546875
检测订单目录中>>>
无未同步订单>>>
2025-06-18 21:26:43 >>>当前Ram内存为605.49609375
定时检测未同步订单启用
2025-06-18 21:26:44>>>cash write=0C
2025-06-18 21:26:44>>>cash read=3E
===21:28:32===
定时检测未同步订单关闭
检测订单目录中>>>
无未同步订单>>>