可以清除电脑使用痕迹，采用美国国防部标准，安全可靠，提供信息隐藏功能-remove traces of the use of computers, used by the U.S. Department of Defense standards, security, reliability, and provide information hidden function
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001994s ]
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:0.087924s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.005357s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001982s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002357s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003650s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002030s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003250s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015173s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002580s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 230661 [ RunTime:0.001415s ]
