能够实现Bayer抖动显示图像及Floyd-Steinberg抖动显示图像，只支持256色的图像。-Jitter can be realized Bayer show images and show the Floyd-Steinberg dithering images, only support 256-color images.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001007s ]
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:0.071932s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000991s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001157s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000964s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003147s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000885s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003827s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017039s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001422s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 228430 [ RunTime:0.013352s ]
