这杀了我

我有什么？CI版本：2.1.4模块化扩展-Wiredesignz的HMVC是一个基本的codeigniter（hmvc）项目，该项目可以很好地与php 5.5.3在本地服务器（mamp）中的设置一起使用

将项目移至公共Web服务器后出现的问题是我更改了以下内容。——application / config / config.php

$ config ['base_url'] =' http://example.com/ ';

——application / config / database.php

$db['default']['hostname'] = 'localhost';
$db['default']['username'] = 'newdbusername';
$db['default']['password'] = 'newdbpassword';
$db['default']['database'] = 'newdbname'; 

—-public_html / .htaccess

RewriteEngine On
RewriteBase /

#Removes access to the system folder by users.
#Additionally this will allow you to create a System.php controller,
#previously this would not have been possible.
#'system' can be replaced if you have renamed your system folder.
RewriteCond %{REQUEST_URI} ^system.*
RewriteRule ^(.*)$ /index.php?/$1 [L]

#When your application folder isn't in the system folder
#This snippet prevents user access to the application folder
#Submitted by: Fabdrol
#Rename 'application' to your applications folder name.
RewriteCond %{REQUEST_URI} ^application.*
RewriteRule ^(.*)$ /index.php?/$1 [L]

#Checks to 
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ index.php?/$1 [L]    
# If we don't have mod_rewrite installed, all 404's 
# can be sent to index.php, and everything works as normal. 
# Submitted by: ElliotHaughin

ErrorDocument 404 /index.php

由于我的索引页面将是“主页”模块的索引功能，因此我没有触摸application / config文件夹中的routes.php文件。以下是routes.php的设置

$route['default_controller'] = "home";
$route['404_override'] = ''; 

每当尝试访问http://example.com/时，我都会收到以下消息

404找不到页面未找到您请求的页面。

如果我尝试example.com/home，但仍收到相同的消息，但example.com/welcome仍然欢迎您访问codeigniter页面

到底是怎么回事！！！？？？为什么我不能从模块访问我的任何页面？我错过了什么？还有其他人遇到这个问题吗？

ps：我的cpanel使用php 5.3.27如果有帮助

更新：：下面是我默认的控制器的索引函数

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

class Home extends MX_Controller
{

function __construct() {
parent::__construct();
}
function index()
{
    $this->load->library('recaptcha');
    $data['recaptcha_html'] = $this->recaptcha->recaptcha_get_html();
    $data['view_file'] = "checkmember"; 
    $this->load->module('templates');
    $this->templates->checkinfo();
}

============

更新2

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

class Welcome extends CI_Controller {

    /**
     * Index Page for this controller.
     *
     * Maps to the following URL
     *      http://example.com/index.php/welcome
     *  - or -  
     *      http://example.com/index.php/welcome/index
     *  - or -
     * Since this controller is set as the default controller in 
     * config/routes.php, it's displayed at http://example.com/
     *
     * So any other public methods not prefixed with an underscore will
     * map to /index.php/welcome/<method_name>
     * @see http://codeigniter.com/user_guide/general/urls.html
     */
    public function index()
    {
        $this->load->view('welcome_message');
    }
}

/* End of file welcome.php */
/* Location: ./application/controllers/welcome.php */