尝试以下规则:

RewriteEngine on
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule .* index.php/$0 [PT,L]

在您的 config.php 文件中，

//Find   
$config['index_page'] = "index.php" 
//and replace it with
$config['index_page'] = ""