下单时返回ordersn

src/main/java/com/peanut/modules/bookAbroad/controller/OrderController.java

@@ -80,7 +80,7 @@ public class OrderController {
             }
         }
         Map<String, Object> result = new HashMap<>();
-        result.put("orderId", buyOrder.getOrderId());
+        result.put("orderSn", buyOrder.getOrderSn());
         return R.ok(result);
     }