diff --git a/Source/upload/admin/controller/extension/payment/ecpayinvoice.php b/Source/upload/admin/controller/extension/payment/ecpayinvoice.php
index 27dcc5f..b4ad653 100644
--- a/Source/upload/admin/controller/extension/payment/ecpayinvoice.php
+++ b/Source/upload/admin/controller/extension/payment/ecpayinvoice.php
@@ -365,7 +365,7 @@ public function createInvoiceNo()
 						$total = 0 ;
 						foreach( $aOrder_Total_Tmp as $key2 => $value2)
 						{
-							if($value2['title'] == 'Total')
+							if($value2['code'] == 'total')
 							{
 								$total = (int)$value2['value'];
 								break;