当需要修改用户名和密码时，可以参考该段程序来修改用户名和密码-When the need to modify the user name and password, you can refer to the paragraph procedure to modify the user name and password
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001030s ]
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:0.074743s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001351s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001119s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000924s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003065s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000876s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003733s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.018866s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001143s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 232400 [ RunTime:0.023468s ]
