This either means that the username and password information in your wp-config.php file is incorrect or we can't contact the database server at localhost .这意味着，无论用户名和密码的信息在您的可湿性粉剂- config.php文件是不正确或我们不能接触数据库服务器在本地 。 This could mean your host's database server is down.这可能意味着您的主机的数据库服务器。
If you're unsure what these terms mean you should probably contact your host.如果您不确定这些术语的含义，您应该可能接触您的主机。 If you still need help you can always visit the如果您仍需要帮助您可以随时访问 WordPress Support Forums在WordPress支持论坛 . 。