diff --git a/webht/third_party/paypal/models/Online_payment_note_model.php b/webht/third_party/paypal/models/Online_payment_note_model.php
index b2e87672..6378a87e 100644
--- a/webht/third_party/paypal/models/Online_payment_note_model.php
+++ b/webht/third_party/paypal/models/Online_payment_note_model.php
@@ -28,11 +28,27 @@ class Online_payment_note_model extends CI_Model {
         return $this->info->query($ret, array($refund_id))->num_rows() > 0;
     }
 
-    public function insert_note($column)
+    public function insert_note($column, $check_exists = false)
     {
         if ($column === null) {
             return false;
         }
+        if ($check_exists === true) {
+            $sql = "SELECT TOP 1 OPN_SN
+                    FROM   OnlinePaymentNote
+                    WHERE OPN_accountMethod={$column['OPN_accountMethod']} AND OPN_transactionId = '{$column['OPN_transactionId']}'";
+            $query = $this->info->query($sql);
+            if ($query->num_rows() > 0) {
+                $update = array(
+                    'OPN_payFee' => isset($column['OPN_payFee']) ? $column['OPN_payFee'] : null,
+                    'OPN_netAmount' => $column['OPN_netAmount'],
+                    'OPN_entryAmountCNY' => $column['OPN_entryAmountCNY'],
+                );
+                $where = " OPN_SN=" . $query->row()->OPN_SN;
+                $this->update_note($where, $update);
+                return false;
+            }
+        }
         $this->info->insert('OnlinePaymentNote', $column);
         $ret = "SELECT TOP 1 * FROM OnlinePaymentNote WHERE OPN_transactionId=? ORDER BY OPN_SN DESC ";
         return $this->info->query($ret, array($column['OPN_transactionId']))->row();
@@ -580,7 +596,7 @@ class Online_payment_note_model extends CI_Model {
         $save_column['OPN_fundSource'] = $result_data['fund_source'];
         $save_column['OPN_rawContent'] = $result_data['memo'];
         $save_column['OPN_noticeTime'] = date('Y-m-d H:i:s');
-        $this->insert_note($save_column) ;
+        $this->insert_note($save_column, true) ;
         return;
     }