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 .這也意味著，用戶名和密碼的信息在您的wp-config.php文件是不正確的，否則我們無法聯繫數據庫服務器在localhost 。 This could mean your host's database server is down.這可能意味著您的主機的數據庫服務器已關閉。
If you're unsure what these terms mean you should probably contact your host.如果您不確定這些名詞的含義也許您應該聯繫您的主機。 If you still need help you can always visit the WordPress Support Forums .如果您仍需要幫助您可以隨時訪問WordPress的支持論壇 。