edit

lib/Relation.php

@@ -40,7 +40,7 @@ class Relation
         Dever::db('invite/relation')->delete(array('to_uid' => $uid));
         $this->set($parent, $uid);
 
-        $child = $this->getChild($uid);
+        $child = $this->getChild($uid, 1);
         if ($child) {
             foreach ($child as $k => $v) {