Merge branch 'master' into dev

biz-hd/order/classes/OrderClass.php

@@ -1088,7 +1088,7 @@ class OrderClass extends BaseClass
         $balance = $custom['balance'] ?? 0;
         $balance = floatval($balance);
         if ($balance > 0) {
-            $content .= '当前账户余额：' . $balance . '<BR>';
+            $content .= '当前账户余额：' . $balance . '元<BR>';
         }
         $content .= '订单日期：' . $order->addTime . '<BR>';
         $content .= '订单编号：' . $respond['orderSn'] . '<BR>';