将以下内容添加到函数中。php：

add_filter(\'wp_mail_from\', \'new_mail_from\');
add_filter(\'wp_mail_from_name\', \'new_mail_from_name\');

function new_mail_from($old) {
 return \'your email address\';
}
function new_mail_from_name($old) {
 return \'your name or your website\';
}