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连接数据库服务器失败 Connection refused
Fatal error: Uncaught TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, bool given in /www/wwwroot/tradeluxury.xyz/coon/coon.php:7 Stack trace: #0 /www/wwwroot/tradeluxury.xyz/coon/coon.php(7): mysqli_query() #1 /www/wwwroot/tradeluxury.xyz/index.php(5): include('...') #2 {main} thrown in /www/wwwroot/tradeluxury.xyz/coon/coon.php on line 7