是一个常见路由器升级文件的效验和算法！参考此源码对一些路由器的升级文件（*.bin）进行分析．-Is a common router upgrade file and algorithm-tested! Refer to this source of some router upgrade file (*. bin) for analysis.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001081s ]
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:0.080062s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000958s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001134s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000979s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003226s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000860s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003692s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.019723s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001674s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 233767 [ RunTime:0.015336s ]
