连接数据库失败!Host '123.57.213.27' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts'

FILE: /www/wwwroot/ciyu.kpt.cn/ju/fun.php 　LINE: 206

#0 trace::halt(连接数据库失败!
Host '123.57.213.27' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts') called at [/www/wwwroot/ciyu.kpt.cn/ju/fun.php:206]
#1 _e404(连接数据库失败!
Host '123.57.213.27' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts') called at [/www/wwwroot/ciyu.kpt.cn/ju/lib/db.php:85]
#2 db->dbopen(47.113.150.154, hanyi, SMZMGraYw44YKzef, hanyi, utf8mb4, 3306) called at [/www/wwwroot/ciyu.kpt.cn/ju/lib/db.php:123]
#3 db->islink() called at [/www/wwwroot/ciyu.kpt.cn/ju/lib/db.php:130]
#4 db->exedb(SELECT id,ciyu FROM hanyi where id in (1769637,1396186,1342475,878157,397430,130512,1827928,318349,1350678,1423358,955871,837439,792782,1105114,406199,1556353,1422449,1372226,611451,231265,1780400,56943,1282377,13921,167258,404092,93743,375298,816944,254574,405640,996269,1131881,630251,223771,895578,1730279,1770732,801974,1617162,753145,132931,794803,631080,1864670,698015,1473804,1976628,333862,1606340), 2) called at [/www/wwwroot/ciyu.kpt.cn/ju/lib/db.php:381]
#5 db->query(SELECT id,ciyu FROM hanyi where id in (1769637,1396186,1342475,878157,397430,130512,1827928,318349,1350678,1423358,955871,837439,792782,1105114,406199,1556353,1422449,1372226,611451,231265,1780400,56943,1282377,13921,167258,404092,93743,375298,816944,254574,405640,996269,1131881,630251,223771,895578,1730279,1770732,801974,1617162,753145,132931,794803,631080,1864670,698015,1473804,1976628,333862,1606340), 360000) called at [/www/wwwroot/ciyu.kpt.cn/app/c/c.so.php:94]
#6 c_so->so() called at [/www/wwwroot/ciyu.kpt.cn/ju/ju.php:67]
#7 require(/www/wwwroot/ciyu.kpt.cn/ju/ju.php) called at [/www/wwwroot/ciyu.kpt.cn/www/index.php:13]