Host '47.104.132.26' is not allowed to connect to this MySQL server

FILE: /usr/home/qxu1587720283/htdocs/ThinkPHP/Lib/Core/Db.class.php 　LINE: 168

[24-04-17 08:01:04] /usr/home/qxu1587720283/htdocs/ThinkPHP/Lib/Core/Db.class.php (168) DbMysql->connect(Host '47.104.132.26' is not allowed to connect to this MySQL server)
[24-04-17 08:01:04] /usr/home/qxu1587720283/htdocs/ThinkPHP/Lib/Driver/Db/DbMysql.class.php (96) Db->initConnect()
[24-04-17 08:01:04] /usr/home/qxu1587720283/htdocs/ThinkPHP/Lib/Driver/Db/DbMysql.class.php (215) DbMysql->query()
[24-04-17 08:01:04] /usr/home/qxu1587720283/htdocs/ThinkPHP/Lib/Core/Model.class.php (135) DbMysql->getFields(SHOW COLUMNS FROM `y_config`)
[24-04-17 08:01:04] /usr/home/qxu1587720283/htdocs/ThinkPHP/Lib/Core/Model.class.php (123) Model->flush(y_config)
[24-04-17 08:01:04] /usr/home/qxu1587720283/htdocs/ThinkPHP/Lib/Core/Model.class.php (1155) Model->_checkTableInfo()
[24-04-17 08:01:04] /usr/home/qxu1587720283/htdocs/ThinkPHP/Lib/Core/Model.class.php (98) Model->db()
[24-04-17 08:01:04] /usr/home/qxu1587720283/htdocs/ThinkPHP/Common/common.php (379) Model->__construct(0, )
[24-04-17 08:01:04] /usr/home/qxu1587720283/htdocs/home/Lib/Action/Public.php (3) M()
[24-04-17 08:01:04] /usr/home/qxu1587720283/htdocs/home/Lib/Action/ProductAction.class.php (5) require(/usr/home/qxu1587720283/htdocs/home/Lib/Action/Public.php)
[24-04-17 08:01:04] () ProductAction->index(config, , )
[24-04-17 08:01:04] /usr/home/qxu1587720283/htdocs/ThinkPHP/Lib/Core/App.class.php (169) ReflectionMethod->invoke(config)
[24-04-17 08:01:04] /usr/home/qxu1587720283/htdocs/ThinkPHP/Lib/Core/App.class.php (205) App::exec()
[24-04-17 08:01:04] /usr/home/qxu1587720283/htdocs/ThinkPHP/Lib/Core/Think.class.php (39) App::run()
[24-04-17 08:01:04] /usr/home/qxu1587720283/htdocs/ThinkPHP/Common/runtime.php (243) Think::start()
[24-04-17 08:01:04] /usr/home/qxu1587720283/htdocs/ThinkPHP/ThinkPHP.php (30) require(/usr/home/qxu1587720283/htdocs/ThinkPHP/Common/runtime.php)
[24-04-17 08:01:04] /usr/home/qxu1587720283/htdocs/index.php (5) require(/usr/home/qxu1587720283/htdocs/ThinkPHP/ThinkPHP.php)