在驱动中实现设备变化通知，并且获取设备相关信息，类似于应用层中device change消息的处理，cool-In the driver for device change notification, and the acquisition of equipment related information, similar to the application layer in the device change message processing, cool! ! ! !
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001361s ]
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:0.091133s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001253s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001903s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001238s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003649s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001107s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003196s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015067s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001466s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 207555 [ RunTime:0.001527s ]
