可以用于电脑上的USB端口的电源，这样可以在使用电脑疲劳时，用些按摩器以消除疲劳-can be used on a computer USB power, so the computer can use fatigue, spend more massage device to eliminate fatigue
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001280s ]
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:0.086431s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001166s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002162s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001179s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003680s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000967s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003398s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015790s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001348s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 239924 [ RunTime:0.001322s ]
