fix bug

api/application/models/Privilnode_model.php

@@ -4,7 +4,7 @@ include_once(FCPATH . 'application/models/Base_model.php');
 
 class Privilnode_model extends Base_model{
 
-	private $table = 'privilnode';
+	protected $table = 'privilnode';
 
 	public function __construct(){
 		parent::__construct();