问CakePHP主题在实时服务器上不起作用

EN

public function beforeRender() {
if (
        $this->params['action'] == 'index'
        || $this->params['action'] == 'edit'
        || $this->params['action'] == 'add' && $this->params['controller'] != 'contacts'
        || $this->params['action'] == 'delete'
        || $this->here != 'http://www.aaryanahmed.net/'
    ) 
    {
        $this->theme = null;
    }

else if($this->params['plugin'] == 'usermgmt')
    {
        $this->theme = '';
        $this->layout = 'usermgmt';
    }
else {$this->view = "Theme";
    $this->theme = 'orange';
}

<IfModule mod_rewrite.c>
   RewriteEngine on
   RewriteRule    ^$ app/webroot/    [L]
   RewriteRule    (.*) app/webroot/$1 [L]
</IfModule>