diff --git a/webht/third_party/paypal/models/note_model.php b/webht/third_party/paypal/models/note_model.php
index c534e41f..0cd9ecd4 100644
--- a/webht/third_party/paypal/models/note_model.php
+++ b/webht/third_party/paypal/models/note_model.php
@@ -31,14 +31,14 @@ class Note_model extends CI_Model {
     public function unsend($topnum = 2) {
         $this->init();
         $this->topnum = $topnum;
-        $this->pn_send = " AND (pn_send='unsend' OR pn_send='' OR pn_send IS NULL) ";
+        $this->pn_send = " AND (pn_send='unsend' OR pn_send IS NULL) ";
         return $this->get_list();
     }
 
     public function failnote($topnum = 2) {
         $this->init();
         $this->topnum = $topnum;
-        $this->pn_send = " AND pn_send='sendfail' ";
+        $this->pn_send = " AND (pn_send='sendfail'  OR pn_send='') ";
 		//$this->orderby = ' ORDER BY pn.pn_sn ASC ';
         return $this->get_list();
     }