采用自制线城池同时ping多台主机，
可以让工作人员能够及时地看到服务器网络是否断开-Self-made city line ping multiple hosts at the same time, allowing staff to network in time to see whether the server disconnect
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001218s ]
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:0.085642s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001204s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001857s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001171s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003606s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000995s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003149s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014616s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001387s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 209489 [ RunTime:0.001303s ]
