fix

src/main/java/au/com/royalpay/payment/manage/appclient/core/impls/RetailAppServiceImp.java

@@ -187,6 +187,7 @@ public class RetailAppServiceImp implements RetailAppService {
         // 微信小程序不查询汇率
         if (!StringUtils.equals(device.getString("client_type"), "wxapp")) {
             res.put("rate", paymentApi.channelApi("Wechat").queryExchangeRateDecimal(client_id));
+            res.put("alipay_rate", paymentApi.channelApi("Alipay").queryExchangeRateDecimal(client_id));
         }
         return res;
     }