我的.htaccess无法使用ubuntu 15.10

Question

    RewriteEngine On     RewriteBase / cpmsystem /

RewriteCond %{THE_REQUEST} \s/+(.*?)/{2,}([^\s]*)
RewriteRule ^ %1/%2 [R=302,L,NE]

RewriteCond %{THE_REQUEST} ^[A-Z]{3,}\s/+(.+?)/{2,}[?\s] [NC]
RewriteRule ^ /%1/ [L,R=301]

RewriteCond %{HTTP_HOST} !^\. [NC]
RewriteRule ^ http://%{HTTP_HOST}%{REQUEST_URI}  [R=301,L]

RewriteCond %{REQUEST_URI} system|application
RewriteRule ^(.*)$ index.php?/$1 [L]

RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ index.php?/$1 [L]

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我的.htaccess无法正常工作，有人可以告诉我我的代码有什么问题吗？

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