将网站移动到新的主机和域,所有链接呈现主页?

我的情况是:

我的一个客户端有一个基于CodeIgniter的站点,托管在domainA.com上的某个共享主机上。他们想把网站移到一个新的域名和新的主机,我已经做了。我创建了一个新数据库,导出了旧数据库并将其导入到新数据库中,然后在config.php文件中更改了baseurl。网站本身加载正确。

然而,每当我点击一个形式为“domainB.com/site/someaction”的链接时,它们都只是呈现或重定向到主页。我知道PHP,但没有使用CodeIgniter的经验。我不知道最初是谁创建了这个网站来向他们寻求帮助,所以我希望有人能对可能发生的事情有所了解。

我可以提供任何其他可能需要的信息来尝试解决这个问题。谢谢。

更新

.htaccess:访问:

RewriteEngine On
RewriteBase /
RewriteCond %{REQUEST_URI} ^system.*
RewriteRule ^(.*)$ /index.php/$1 [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ index.php/$1 [L]

配置.php:

<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');

$config['base_url'] = "http://www.bidcleangrow.com/";    
$config['index_page'] = "";
$config['uri_protocol'] = "AUTO";
$config['url_suffix'] = "";
$config['language'] = "english";
$config['charset'] = "UTF-8";
$config['enable_hooks'] = FALSE;
$config['subclass_prefix'] = 'MY_';
$config['permitted_uri_chars'] = 'a-z 0-9~%.:_\-';
$config['enable_query_strings'] = FALSE;
$config['controller_trigger']   = 'c';
$config['function_trigger']     = 'm';
$config['directory_trigger']    = 'd'; // experimental not currently in use
$config['log_threshold'] = 3;
$config['log_path'] = '';
$config['log_date_format'] = 'Y-m-d H:i:s';
$config['cache_path'] = '';
$config['encryption_key'] = "";
$config['sess_cookie_name']     = 'ci_session';
$config['sess_expiration']      = 7200;
$config['sess_encrypt_cookie']  = FALSE;
$config['sess_use_database']    = FALSE;
$config['sess_table_name']      = 'ci_sessions';
$config['sess_match_ip']        = FALSE;
$config['sess_match_useragent'] = TRUE;
$config['sess_time_to_update']  = 300;
$config['cookie_prefix']    = "";
$config['cookie_domain']    = "";
$config['cookie_path']      = "/";
$config['global_xss_filtering'] = TRUE;
$config['compress_output'] = FALSE;
$config['time_reference'] = 'local';
$config['rewrite_short_tags'] = FALSE;
$config['proxy_ips'] = '';


/* End of file config.php */
/* Location: ./system/application/config/config.php *