edit

database/relation.php

@@ -115,7 +115,7 @@ return array
 			//'order' => array('level' => 'asc','id' => 'desc'),
 			'order' => array('cdate' => 'desc'),
 			'page' => array(10, 'list'),
-			'col' => '*',
+			'col' => 'distinct to_uid,*',
 		),
 
 		'getChildCount' => array