把跟目录下的.htaccess文件里面内容写成如下即可：

    <IfModule mod_rewrite.c>
      Options +FollowSymlinks -Multiviews
      RewriteEngine On
      RewriteCond %{REQUEST_FILENAME} !-d
      RewriteCond %{REQUEST_FILENAME} !-f
      RewriteRule ^(.*)$ index.php?s=/$1 [QSA,PT,L]
    </IfModule>