diff --git a/webht/third_party/paypal/models/paypal_model.php b/webht/third_party/paypal/models/paypal_model.php
index 65b49d4a..93d9212e 100644
--- a/webht/third_party/paypal/models/paypal_model.php
+++ b/webht/third_party/paypal/models/paypal_model.php
@@ -610,7 +610,7 @@ class Paypal_model extends CI_Model {
     {
         $sql = "SELECT top 1 * from BIZ_ConfirmLineInfo
                 WHERE 1=1 ";
-        $tp_order ? $sql.=" and COLI_PriceMemo='$tp_order' " : "";
+        $tp_order ? $sql.=" and COLI_PriceMemo like '%" . $this->HT->escape_str($tp_order) . "%' " : "";
         $real_orderid ? $sql.=" and COLI_ID='$real_orderid' " : "";
         return $this->HT->query($sql)->row();
     }