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>