RS232-USB转化器将老式RS2332串口转换成USB接口来与PC机进行数据传输，USB控制器采用CY7C63001A-RS232-USB converter old RS2332 will be converted into a USB serial interface with the PC for data transfer, USB controller CY7C63001A
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002078s ]
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:0.093030s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002265s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001958s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002355s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 221862 [ RunTime:0.001130s ]
