refactor

@@ -1074,7 +1074,7 @@ public class PaymentServiceImpl implements IPaymentService {
                 // 加新流水
                 addSuccessTradeBills(tradeBills);
             } else {
-                throw new ServiceException(500, "退款失败:" + refundBo.getRefundMsg());
+                throw new ServiceException(500, refundBo.getRefundMsg());
             }
             return;
         } catch (Exception e) {