linux当usb设备插入的时候，你可以用hotplug做些事情，比如：自动copy移动硬盘的文件等等 -linux USB devices when inserted, you can use the hotplug do something, such as : automatic copy of the disk files, etc.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.015277s ]
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:0.130057s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001089s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003642s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001306s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003956s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002274s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004026s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016225s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001136s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 107727 [ RunTime:0.332672s ]
