Warning: mysqli::__construct(): php_network_getaddresses: getaddrinfo failed: ��֪������������ in D:\wwwroot\wwwroot\pic2\plus\gu.php on line 7

Warning: mysqli::__construct(): (HY000/2002): php_network_getaddresses: getaddrinfo failed: ��֪������������ in D:\wwwroot\wwwroot\pic2\plus\gu.php on line 7
connect error:2002