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

apache的如:访问abc.com/wkapi/ 实际是abc.com

<IfModule mod_rewrite.c>
 RewriteEngine on
 RewriteCond %{REQUEST_FILENAME} !-d
 RewriteCond %{REQUEST_FILENAME} !-f
 RewriteCond %{REQUEST_URI} !^/wkapi/
 RewriteRule ^(.*)$ index.php/?s=/$1 [QSA,PT,L]
 #RewriteRule ^(.*)$ index.php/$1?Rewrite [L,QSA]
</IfModule>