由sEOS简化来得，应用于51的简单OS，主要是时间的管理，没有更多的功能，但是分实用-sEos by more simplified, for the simple 51 OS, is time management, no more functional, but the practical points
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001471s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.093153s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001273s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001970s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001373s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003621s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001078s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003216s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016748s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001506s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 197517 [ RunTime:0.001396s ]
