增加注释

app/Http/Controllers/Api/OrderController.php

@@ -186,8 +186,8 @@ class OrderController extends Controller
 			$order_price = 0; //订单总价
 			$costPrice = 0; //供应商成本总价
 			foreach ($spec as $v) {
-				$order_price = bcadd($order_price, bcmul($v['price'], $formData['num'], 6), 6);
-				$costPrice = bcadd($costPrice, bcmul($v['cost_price'], $formData['num'], 6), 6);
+				$order_price = bcadd($order_price, bcmul($v['price'], $formData['num'], 6), 6); //订单总价
+				$costPrice = bcadd($costPrice, bcmul($v['cost_price'], $formData['num'], 6), 6); //供应商成本总价
 			}
 			$order_price = round($order_price, 2);