一些功能

app/models/store/StoreOrder.php

@@ -361,7 +361,7 @@ class StoreOrder extends BaseModel
             } else {
                 $payPostageSh = self::getOrderPriceGroup($cartInfo, $addr, $storeId)['storePostageSh'];
             }
-            $payPrice = bcadd($payPrice, $payPostageSh);
+            $payPrice = bcadd($payPrice, $payPostageSh, 2);
             $cartIds = [];
             $totalNum = 0;
             $gainIntegral = 0;