跨网免费加速器
推荐
9.1
75509512点评
立即下载
旋风vn加速免费
推荐
9.1
75509512点评
立即下载
小牛加速器免费版本下载
推荐
9.1
75509512点评
立即下载
安卓
苹果
排行
推荐
首页推荐
更多
pubg加速器免费版
下载
原子加速器v3.63
下载
绝地求生 加速器
下载
快鸭加速器官网
下载
最新软件
更多
梯子加速器下载
系统工具
5.47MB
下载
tiktok需要加速器
系统工具
5.47MB
下载
海鸥加速器官网下载
系统工具
5.47MB
下载
海豚加速器热点宝
系统工具
5.47MB
下载
雷霆app加速器下载安卓
系统工具
5.47MB
下载
i站iwara官网入口
系统工具
5.47MB
下载
云帆加速器电脑版
系统工具
5.47MB
下载
网页加速器
系统工具
5.47MB
下载
苹果精选
更多
极光加速免费破解
极光加速免费服务现在推出,为用户提供更加流畅的网络体验,让网络变得更加便捷和高效。
下载
下载银河针织智造系统
想要快速畅游互联网世界?快来下载银河加速器,提升网络速度,让你的上网体验更加顺畅!
下载
加速器器
高效加速器是现代生活中必不可少的工具,能够帮助人们提升工作效率,让时间更加有序和高效利用。
下载
破解版加速器永久免费版不用登录
破解版加速器能够帮助用户快速解锁各类网站和应用,让网络世界更畅通无阻,享受高速稳定的上网体验。它不仅速度快,而且安全可靠,是您网络加速的不二选择。
下载
安卓精选
更多
国外app加速器免费
想要畅游国外的网络世界吗?现在有免费的国外软件加速器可以帮助你解决访问速度慢的问题,让你尽情享受畅游的乐趣。
下载
旋风加速免费下载
想要快速畅享网络世界?旋风加速器免费为您提供最佳的网络加速体验,让您畅游互联网无忧!
下载
开挂加速器最好用
随着网络的普及和信息化的发展,快速稳定的网络连接已经成为人们日常生活中必不可少的需求。而开挂加速器作为一种专业的网络优化工具,能够有效提升网络速度,让您畅享流畅的网络体验。
下载
shell加速器破解版
Shellshock Live是一款极具策略性的多人在线战斗游戏,而加速器则可以帮助玩家更顺畅地享受游戏乐趣。
下载
友情链接
网站地图
QuickQ
旋风加速度器
旋风加速
坚果加速器
tiktok加速器
狗急加速器官网
免费vqn外网加速
小蓝鸟
免费vps加速器外网苹果版
旋风加速度器
快连加速器
快连加速器官网入口
原子加速器
快鸭加速器
旋风加速度器
外网网址导航
软件中心
雷霆加速
狂飙加速器
哔咔漫画
快鸭VPN
免费送彩金68元
老品牌—全民彩票
全民彩票平台登录
一分大发系统彩票app
6f彩票welcome
下载全民彩票
一分大发系统彩票app
下载全民彩票
下载全民彩票
9123购彩welcome中心
三分钟彩票app下载
全民彩票平台登录
703彩票娱乐平台
全民娱乐彩票下载安装
welcome盈彩购彩大厅广东
乐彩汇平台是怎么赚钱的
全民彩票官网最新登录入口
全民娱乐彩票下载安装
全民彩票welcome
老品牌—全民彩票
全民彩票官网最新登录入口
原版699彩票
顶级彩票app官方网站
全民彩票官网app下载安装
天天彩平台是合法的吗
乐发III500登录入口
全民彩票所有平台
全民彩票安卓版
6f彩票welcome
三分钟彩票app下载
新人送29元彩金平台
全民彩票app下载大全
三分钟彩票app下载
全民彩票安卓版
全民彩票app下载安装安卓
全民彩票安卓版下载
全民彩票版本官方下载
下载全民彩票
全民彩票安卓版
全民彩票官网最新登录入口
新人送29元彩金平台
全民彩票平台登录
基本
文件
流程
错误
SQL
调试
请求信息 : 2025-11-04 01:48:33 HTTP/1.0 GET : http://api.nncms.cc/index.html
运行时间 : 0.026105s [ 吞吐率:38.31req/s ] 内存消耗:5,035.26kb 文件加载:162
查询信息 : 38 queries
缓存信息 : 15 reads,0 writes
/www/ipcms/public/index.php ( 0.79 KB )
/www/ipcms/vendor/autoload.php ( 0.75 KB )
/www/ipcms/vendor/composer/autoload_real.php ( 1.63 KB )
/www/ipcms/vendor/composer/platform_check.php ( 0.90 KB )
/www/ipcms/vendor/composer/ClassLoader.php ( 15.99 KB )
/www/ipcms/vendor/composer/autoload_static.php ( 8.62 KB )
/www/ipcms/vendor/symfony/polyfill-mbstring/bootstrap.php ( 7.21 KB )
/www/ipcms/vendor/symfony/polyfill-php80/bootstrap.php ( 1.54 KB )
/www/ipcms/vendor/topthink/think-helper/src/helper.php ( 7.62 KB )
/www/ipcms/vendor/symfony/deprecation-contracts/function.php ( 1.01 KB )
/www/ipcms/vendor/topthink/think-orm/stubs/load_stubs.php ( 0.17 KB )
/www/ipcms/vendor/topthink/framework/src/think/Exception.php ( 1.75 KB )
/www/ipcms/vendor/topthink/framework/src/think/Facade.php ( 2.80 KB )
/www/ipcms/vendor/symfony/translation/Resources/functions.php ( 0.57 KB )
/www/ipcms/vendor/ezyang/htmlpurifier/library/HTMLPurifier.composer.php ( 0.10 KB )
/www/ipcms/vendor/symfony/polyfill-php72/bootstrap.php ( 1.94 KB )
/www/ipcms/vendor/overtrue/pinyin/src/const.php ( 0.50 KB )
/www/ipcms/vendor/symfony/var-dumper/Resources/functions/dump.php ( 0.83 KB )
/www/ipcms/vendor/topthink/think-queue/src/common.php ( 1.04 KB )
/www/ipcms/vendor/topthink/framework/src/think/App.php ( 14.87 KB )
/www/ipcms/vendor/topthink/framework/src/think/Container.php ( 15.67 KB )
/www/ipcms/vendor/psr/container/src/ContainerInterface.php ( 1.05 KB )
/www/ipcms/app/provider.php ( 0.20 KB )
/www/ipcms/vendor/topthink/framework/src/think/Http.php ( 6.40 KB )
/www/ipcms/vendor/topthink/think-helper/src/helper/Str.php ( 7.51 KB )
/www/ipcms/vendor/topthink/framework/src/think/Env.php ( 4.83 KB )
/www/ipcms/app/common.php ( 3.47 KB )
/www/ipcms/vendor/topthink/framework/src/helper.php ( 19.02 KB )
/www/ipcms/vendor/topthink/framework/src/think/Config.php ( 5.23 KB )
/www/ipcms/config/aes.php ( 0.19 KB )
/www/ipcms/vendor/topthink/framework/src/think/facade/Env.php ( 1.72 KB )
/www/ipcms/config/app.php ( 1.05 KB )
/www/ipcms/config/article.php ( 0.18 KB )
/www/ipcms/config/cache.php ( 1.12 KB )
/www/ipcms/config/console.php ( 0.45 KB )
/www/ipcms/config/cookie.php ( 0.56 KB )
/www/ipcms/config/database.php ( 2.78 KB )
/www/ipcms/config/dede.php ( 0.39 KB )
/www/ipcms/config/error.php ( 0.47 KB )
/www/ipcms/config/filesystem.php ( 0.63 KB )
/www/ipcms/config/key.php ( 0.04 KB )
/www/ipcms/config/lang.php ( 0.81 KB )
/www/ipcms/config/log.php ( 1.41 KB )
/www/ipcms/config/middleware.php ( 0.19 KB )
/www/ipcms/config/mip.php ( 0.36 KB )
/www/ipcms/config/mq.php ( 0.26 KB )
/www/ipcms/config/openai.php ( 0.15 KB )
/www/ipcms/config/panel.php ( 0.31 KB )
/www/ipcms/config/queue.php ( 1.36 KB )
/www/ipcms/config/redis.php ( 0.35 KB )
/www/ipcms/config/route.php ( 1.54 KB )
/www/ipcms/config/session.php ( 0.57 KB )
/www/ipcms/config/trace.php ( 0.34 KB )
/www/ipcms/config/view.php ( 0.82 KB )
/www/ipcms/app/event.php ( 0.27 KB )
/www/ipcms/vendor/topthink/framework/src/think/Event.php ( 7.22 KB )
/www/ipcms/app/service.php ( 0.14 KB )
/www/ipcms/app/AppService.php ( 0.28 KB )
/www/ipcms/vendor/topthink/framework/src/think/Service.php ( 1.74 KB )
/www/ipcms/vendor/topthink/framework/src/think/Lang.php ( 9.75 KB )
/www/ipcms/vendor/topthink/framework/src/lang/zh-cn.php ( 13.02 KB )
/www/ipcms/vendor/topthink/framework/src/think/initializer/Error.php ( 3.31 KB )
/www/ipcms/vendor/topthink/framework/src/think/initializer/RegisterService.php ( 1.38 KB )
/www/ipcms/vendor/services.php ( 0.18 KB )
/www/ipcms/vendor/topthink/framework/src/think/service/PaginatorService.php ( 1.57 KB )
/www/ipcms/vendor/topthink/framework/src/think/service/ValidateService.php ( 1.02 KB )
/www/ipcms/vendor/topthink/framework/src/think/service/ModelService.php ( 1.81 KB )
/www/ipcms/vendor/topthink/think-queue/src/queue/Service.php ( 1.29 KB )
/www/ipcms/vendor/topthink/think-trace/src/Service.php ( 0.79 KB )
/www/ipcms/vendor/topthink/framework/src/think/Middleware.php ( 7.03 KB )
/www/ipcms/vendor/topthink/framework/src/think/initializer/BootService.php ( 0.80 KB )
/www/ipcms/vendor/topthink/think-orm/src/Paginator.php ( 12.10 KB )
/www/ipcms/vendor/topthink/framework/src/think/Validate.php ( 47.75 KB )
/www/ipcms/vendor/topthink/think-orm/src/Model.php ( 26.16 KB )
/www/ipcms/vendor/topthink/think-helper/src/contract/Arrayable.php ( 0.10 KB )
/www/ipcms/vendor/topthink/think-helper/src/contract/Jsonable.php ( 0.14 KB )
/www/ipcms/vendor/topthink/think-orm/src/model/concern/Attribute.php ( 18.08 KB )
/www/ipcms/vendor/topthink/think-orm/src/model/concern/RelationShip.php ( 26.88 KB )
/www/ipcms/vendor/topthink/think-orm/src/model/concern/ModelEvent.php ( 2.35 KB )
/www/ipcms/vendor/topthink/think-orm/src/model/concern/TimeStamp.php ( 5.92 KB )
/www/ipcms/vendor/topthink/think-orm/src/model/concern/Conversion.php ( 9.92 KB )
/www/ipcms/vendor/topthink/framework/src/think/Db.php ( 2.99 KB )
/www/ipcms/vendor/topthink/think-orm/src/DbManager.php ( 8.68 KB )
/www/ipcms/vendor/topthink/framework/src/think/Log.php ( 8.83 KB )
/www/ipcms/vendor/topthink/framework/src/think/Manager.php ( 4.16 KB )
/www/ipcms/vendor/psr/log/Psr/Log/LoggerInterface.php ( 3.16 KB )
/www/ipcms/vendor/topthink/framework/src/think/Cache.php ( 4.99 KB )
/www/ipcms/vendor/psr/simple-cache/src/CacheInterface.php ( 4.61 KB )
/www/ipcms/vendor/topthink/think-helper/src/helper/Arr.php ( 16.16 KB )
/www/ipcms/vendor/topthink/framework/src/think/cache/driver/Redis.php ( 6.97 KB )
/www/ipcms/vendor/topthink/framework/src/think/cache/Driver.php ( 8.35 KB )
/www/ipcms/vendor/topthink/framework/src/think/contract/CacheHandlerInterface.php ( 2.34 KB )
/www/ipcms/vendor/topthink/framework/src/think/Console.php ( 23.40 KB )
/www/ipcms/app/Request.php ( 0.09 KB )
/www/ipcms/vendor/topthink/framework/src/think/Request.php ( 56.07 KB )
/www/ipcms/app/middleware.php ( 0.44 KB )
/www/ipcms/vendor/topthink/framework/src/think/Pipeline.php ( 2.71 KB )
/www/ipcms/vendor/topthink/think-trace/src/TraceDebug.php ( 3.05 KB )
/www/ipcms/app/middleware/AllowCrossDomain.php ( 1.62 KB )
/www/ipcms/app/middleware/RealIp.php ( 0.52 KB )
/www/ipcms/app/middleware/LimitReportDomain.php ( 0.73 KB )
/www/ipcms/app/facade/Config.php ( 0.30 KB )
/www/ipcms/app/model/Config.php ( 0.44 KB )
/www/ipcms/app/model/BaseModel.php ( 0.09 KB )
/www/ipcms/vendor/topthink/think-orm/src/db/connector/Mysql.php ( 4.55 KB )
/www/ipcms/vendor/topthink/think-orm/src/db/PDOConnection.php ( 52.48 KB )
/www/ipcms/vendor/topthink/think-orm/src/db/Connection.php ( 8.01 KB )
/www/ipcms/vendor/topthink/think-orm/src/db/ConnectionInterface.php ( 4.75 KB )
/www/ipcms/vendor/topthink/think-orm/src/db/builder/Mysql.php ( 14.63 KB )
/www/ipcms/vendor/topthink/think-orm/src/db/Builder.php ( 40.79 KB )
/www/ipcms/vendor/topthink/think-orm/src/db/Query.php ( 11.10 KB )
/www/ipcms/vendor/topthink/think-orm/src/db/BaseQuery.php ( 36.24 KB )
/www/ipcms/vendor/topthink/think-orm/src/db/concern/TimeFieldQuery.php ( 7.71 KB )
/www/ipcms/vendor/topthink/think-orm/src/db/concern/AggregateQuery.php ( 2.93 KB )
/www/ipcms/vendor/topthink/think-orm/src/db/concern/ModelRelationQuery.php ( 17.04 KB )
/www/ipcms/vendor/topthink/think-orm/src/db/concern/ResultOperation.php ( 6.51 KB )
/www/ipcms/vendor/topthink/think-orm/src/db/concern/Transaction.php ( 2.97 KB )
/www/ipcms/vendor/topthink/think-orm/src/db/concern/WhereQuery.php ( 16.77 KB )
/www/ipcms/vendor/topthink/think-orm/src/db/concern/JoinAndViewQuery.php ( 7.11 KB )
/www/ipcms/vendor/topthink/think-orm/src/db/concern/ParamsBind.php ( 2.85 KB )
/www/ipcms/vendor/topthink/think-orm/src/db/concern/TableFieldInfo.php ( 2.61 KB )
/www/ipcms/vendor/topthink/framework/src/think/log/driver/File.php ( 6.38 KB )
/www/ipcms/vendor/topthink/framework/src/think/contract/LogHandlerInterface.php ( 0.89 KB )
/www/ipcms/vendor/topthink/framework/src/think/log/Channel.php ( 6.82 KB )
/www/ipcms/vendor/topthink/framework/src/think/event/LogRecord.php ( 0.89 KB )
/www/ipcms/vendor/topthink/framework/src/think/facade/Cache.php ( 2.07 KB )
/www/ipcms/vendor/topthink/framework/src/think/Route.php ( 24.36 KB )
/www/ipcms/vendor/topthink/framework/src/think/route/RuleName.php ( 5.51 KB )
/www/ipcms/vendor/topthink/framework/src/think/route/Domain.php ( 5.59 KB )
/www/ipcms/vendor/topthink/framework/src/think/route/RuleGroup.php ( 14.42 KB )
/www/ipcms/vendor/topthink/framework/src/think/route/Rule.php ( 23.89 KB )
/www/ipcms/route/api.php ( 19.54 KB )
/www/ipcms/vendor/topthink/framework/src/think/facade/Route.php ( 4.85 KB )
/www/ipcms/vendor/topthink/framework/src/think/route/RuleItem.php ( 9.55 KB )
/www/ipcms/vendor/topthink/framework/src/think/route/Resource.php ( 6.80 KB )
/www/ipcms/route/download.php ( 0.71 KB )
/www/ipcms/vendor/topthink/framework/src/think/route/dispatch/Callback.php ( 0.96 KB )
/www/ipcms/vendor/topthink/framework/src/think/route/Dispatch.php ( 7.19 KB )
/www/ipcms/app/middleware/DownloadSite.php ( 0.60 KB )
/www/ipcms/app/model/Website.php ( 1.89 KB )
/www/ipcms/app/controller/download/IndexController.php ( 8.89 KB )
/www/ipcms/app/controller/download/BaseController.php ( 0.29 KB )
/www/ipcms/vendor/topthink/think-orm/src/model/relation/HasMany.php ( 12.16 KB )
/www/ipcms/vendor/topthink/think-orm/src/model/Relation.php ( 7.18 KB )
/www/ipcms/app/model/WebsiteFriendlink.php ( 0.17 KB )
/www/ipcms/vendor/topthink/think-orm/src/model/Collection.php ( 6.67 KB )
/www/ipcms/vendor/topthink/think-helper/src/Collection.php ( 16.74 KB )
/www/ipcms/app/model/DownloadArticle.php ( 0.64 KB )
/www/ipcms/app/model/SiteApp.php ( 1.22 KB )
/www/ipcms/vendor/topthink/think-orm/src/db/Raw.php ( 1.46 KB )
/www/ipcms/app/model/Article.php ( 0.17 KB )
/www/ipcms/vendor/topthink/think-orm/src/model/relation/BelongsTo.php ( 11.31 KB )
/www/ipcms/vendor/topthink/think-orm/src/model/relation/OneToOne.php ( 10.16 KB )
/www/ipcms/vendor/topthink/framework/src/think/Response.php ( 9.01 KB )
/www/ipcms/vendor/topthink/framework/src/think/response/View.php ( 3.41 KB )
/www/ipcms/vendor/topthink/framework/src/think/Cookie.php ( 6.51 KB )
/www/ipcms/vendor/topthink/framework/src/think/View.php ( 4.60 KB )
/www/ipcms/vendor/topthink/think-view/src/Think.php ( 8.67 KB )
/www/ipcms/vendor/topthink/think-template/src/Template.php ( 48.15 KB )
/www/ipcms/vendor/topthink/think-template/src/template/driver/File.php ( 2.42 KB )
/www/ipcms/runtime/temp/601ad6e6d34b072ef0d9a25794a0d16d.php ( 10.86 KB )
/www/ipcms/vendor/topthink/think-trace/src/Html.php ( 4.49 KB )
CONNECT:[ UseTime:0.000141s ] mysql:host=127.0.0.1;port=3306;dbname=ipcms;charset=utf8
SHOW FULL COLUMNS FROM `config` [ RunTime:0.000229s ]
SHOW FULL COLUMNS FROM `website` [ RunTime:0.000256s ]
SELECT * FROM `website` WHERE `type` = 'download' AND `id` = 15387 LIMIT 1 [ RunTime:0.000138s ]
SHOW FULL COLUMNS FROM `website_friendlink` [ RunTime:0.000171s ]
SELECT * FROM `website_friendlink` WHERE `website_id` = 15387 [ RunTime:0.000174s ]
SHOW FULL COLUMNS FROM `download_article` [ RunTime:0.000157s ]
SELECT * FROM `download_article` WHERE `website_id` = 15387 ORDER BY `id` DESC LIMIT 3 [ RunTime:0.000102s ]
SHOW FULL COLUMNS FROM `site_app` [ RunTime:0.000152s ]
SELECT * FROM `site_app` WHERE ( '跨网免费加速器' like CONCAT('%', keyword, '%') ) LIMIT 1 [ RunTime:0.000092s ]
SELECT * FROM `site_app` WHERE ( '旋风vn加速免费' like CONCAT('%', keyword, '%') ) LIMIT 1 [ RunTime:0.000060s ]
SELECT * FROM `site_app` WHERE ( '小牛加速器免费版本下载' like CONCAT('%', keyword, '%') ) LIMIT 1 [ RunTime:0.000065s ]
SELECT * FROM `download_article` WHERE `website_id` = 15387 ORDER BY `id` DESC LIMIT 3,4 [ RunTime:0.000103s ]
SELECT * FROM `site_app` WHERE ( 'pubg加速器免费版' like CONCAT('%', keyword, '%') ) LIMIT 1 [ RunTime:0.000085s ]
SELECT * FROM `site_app` WHERE ( '原子加速器v3.63' like CONCAT('%', keyword, '%') ) LIMIT 1 [ RunTime:0.000073s ]
SELECT * FROM `site_app` WHERE ( '绝地求生 加速器' like CONCAT('%', keyword, '%') ) LIMIT 1 [ RunTime:0.000071s ]
SELECT * FROM `site_app` WHERE ( '快鸭加速器官网' like CONCAT('%', keyword, '%') ) LIMIT 1 [ RunTime:0.000066s ]
SELECT * FROM `download_article` WHERE `website_id` = 15387 ORDER BY `id` DESC LIMIT 7,8 [ RunTime:0.000111s ]
SELECT * FROM `site_app` WHERE ( '梯子加速器下载' like CONCAT('%', keyword, '%') ) LIMIT 1 [ RunTime:0.000067s ]
SELECT * FROM `site_app` WHERE ( 'tiktok需要加速器' like CONCAT('%', keyword, '%') ) LIMIT 1 [ RunTime:0.000063s ]
SELECT * FROM `site_app` WHERE ( '海鸥加速器官网下载' like CONCAT('%', keyword, '%') ) LIMIT 1 [ RunTime:0.000071s ]
SELECT * FROM `site_app` WHERE ( '海豚加速器热点宝' like CONCAT('%', keyword, '%') ) LIMIT 1 [ RunTime:0.000065s ]
SELECT * FROM `site_app` WHERE ( '雷霆app加速器下载安卓' like CONCAT('%', keyword, '%') ) LIMIT 1 [ RunTime:0.000059s ]
SELECT * FROM `site_app` WHERE ( 'i站iwara官网入口' like CONCAT('%', keyword, '%') ) LIMIT 1 [ RunTime:0.000068s ]
SELECT * FROM `site_app` WHERE ( '云帆加速器电脑版' like CONCAT('%', keyword, '%') ) LIMIT 1 [ RunTime:0.000065s ]
SELECT * FROM `site_app` WHERE ( '网页加速器' like CONCAT('%', keyword, '%') ) LIMIT 1 [ RunTime:0.000067s ]
SELECT * FROM `download_article` WHERE `website_id` = 15387 AND `type` = 1 AND `id` < 66822079 ORDER BY `id` DESC LIMIT 4 [ RunTime:0.005112s ]
SHOW FULL COLUMNS FROM `article` [ RunTime:0.000148s ]
SELECT `id`,`description` FROM `article` WHERE `id` IN (2234363,1737695,2147980,1305993) [ RunTime:0.000080s ]
SELECT * FROM `site_app` WHERE ( '国外app加速器免费' like CONCAT('%', keyword, '%') ) LIMIT 1 [ RunTime:0.000070s ]
SELECT * FROM `site_app` WHERE ( '旋风加速免费下载' like CONCAT('%', keyword, '%') ) LIMIT 1 [ RunTime:0.000053s ]
SELECT * FROM `site_app` WHERE ( '开挂加速器最好用' like CONCAT('%', keyword, '%') ) LIMIT 1 [ RunTime:0.000065s ]
SELECT * FROM `site_app` WHERE ( 'shell加速器破解版' like CONCAT('%', keyword, '%') ) LIMIT 1 [ RunTime:0.000059s ]
SELECT * FROM `download_article` WHERE `website_id` = 15387 AND `type` = 2 AND `id` < 66822079 ORDER BY `id` DESC LIMIT 4 [ RunTime:0.001980s ]
SELECT `id`,`description` FROM `article` WHERE `id` IN (2198773,2109888,1308589,1688081) [ RunTime:0.000075s ]
SELECT * FROM `site_app` WHERE ( '极光加速免费破解' like CONCAT('%', keyword, '%') ) LIMIT 1 [ RunTime:0.000067s ]
SELECT * FROM `site_app` WHERE ( '下载银河针织智造系统' like CONCAT('%', keyword, '%') ) LIMIT 1 [ RunTime:0.000067s ]
SELECT * FROM `site_app` WHERE ( '加速器器' like CONCAT('%', keyword, '%') ) LIMIT 1 [ RunTime:0.000063s ]
SELECT * FROM `site_app` WHERE ( '破解版加速器永久免费版不用登录' like CONCAT('%', keyword, '%') ) LIMIT 1 [ RunTime:0.000061s ]
0.026457s