<IfModule mod_rewrite.c>
  
    <IfModule mod_negotiation.c>
        Options -MultiViews
    </IfModule>
 
     RewriteEngine On
 
    #下面红色的是自己添加的代码
     RewriteCond %{HTTP_USER_AGENT} "android|blackberry|googlebot-mobile|iemobile|iphone|ipod|opera mobile|palmos|webos" [NC]
     RewriteCond %{HTTP_HOST} (^4006\.|^www\.4006055610\.) [NC]
     RewriteRule ^(.*)$ http://m.4006.com/ [R=301,L]
      RewriteCond %{HTTP_USER_AGENT} "android|blackberry|googlebot-mobile|iemobile|iphone|ipod|opera mobile|palmos|webos" [NC]
     RewriteCond %{HTTP_HOST} !(^m\.|^m\-) [NC]
     RewriteRule ^(.*)$ http://m-%{HTTP_HOST}/ [R=301,L]
 
    # Redirect Trailing Slashes If Not A Folder...
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteRule ^(.*)/$ /$1 [L,R=301]
 
    # Handle Front Controller...
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteCond %{REQUEST_FILENAME} !-f
    RewriteRule ^ index.php [L]
 
    # Handle Authorization Header
    RewriteCond %{HTTP:Authorization} .
    RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]
</IfModule>
Options -MultiViews
RewriteEngine On
RewriteCond %{HTTP_HOST} !^www\.
RewriteRule ^(.*)$ http://www.%{HTTP_HOST}/$1 [R=301,L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^ /subfolder-app/index.php [L]