<IfModule mod_rewrite.c>
    RewriteEngine On
    RewriteCond %{REQUEST_FILENAME} !-f
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteRule ^(.*)$ /index.php?/$1 [L]
    #若你的项目名为：TestCI 则此处应为RewriteRule ^(.*)$ /TestCI/index.php/$1 [L]
</IfModule>