<IfModule mod_rewrite.c>
RewriteEngine on
RewriteCond %{QUERY_STRING} ^(.*)$  
RewriteRule ^MP_verify_([a-zA-Z0-9]+)\.txt$ api.php?mod=wechat&act=verify_txt&txt=$1  
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond $1 !^(.*\.php|data|hook|include|install|template|module)
RewriteRule ^(.*)$ index.php/$1 [L]
</IfModule>