edit

app/shop/lib/Sell.php

@@ -898,9 +898,11 @@ class Sell
                         $data['list'][$k]['discount_cash'] = round(($data['list'][$k]['price'] - $discount_cash) * $n, 2);
                         $data['discount_cash'] += $data['list'][$k]['discount_cash'];
                     }
+                    $data['price'] += $discount_cash * $n;
+                } else {
+                    $data['price'] += $data['list'][$k]['price'] * $n;
                 }
                 
-                $data['price'] += $data['list'][$k]['price'] * $n;
                 $data['name'][] = $data['list'][$k]['name'];
             }
         }