Fatal error: Uncaught PDOException: SQLSTATE[HY000] [1040] Too many connections in /www/wwwroot/3w2019.com/simplewind/thinkphp/library/think/db/Connection.php:295 Stack trace: #0 /www/wwwroot/3w2019.com/simplewind/thinkphp/library/think/db/Connection.php(295): PDO->__construct('mysql:host=127....', '3w2019.com', 'hk6kpPiwhPYm7pd...', Array) #1 /www/wwwroot/3w2019.com/simplewind/thinkphp/library/think/db/Connection.php(1006): think\db\Connection->connect() #2 /www/wwwroot/3w2019.com/simplewind/thinkphp/library/think/db/Connection.php(348): think\db\Connection->initConnect(false) #3 /www/wwwroot/3w2019.com/simplewind/thinkphp/library/think/db/connector/Mysql.php(65): think\db\Connection->query('SHOW COLUMNS FR...', Array, false, true) #4 /www/wwwroot/3w2019.com/simplewind/thinkphp/library/think/db/Query.php(1886): think\db\connector\Mysql->getFields('`cmf_company_in...') #5 /www/wwwroot/3w2019.com/simplewind/thinkphp/library/think/db/Query.php(1920): think\db\Query->getTableInfo('cmf_company_inf...', 'pk') #6 /www/wwwroot/3 in /www/wwwroot/3w2019.com/simplewind/thinkphp/library/think/db/Connection.php on line 295