diff --git a/internal/biz/cmb.go b/internal/biz/cmb.go
index f9e4c2b..b2d8931 100644
--- a/internal/biz/cmb.go
+++ b/internal/biz/cmb.go
@@ -39,7 +39,7 @@ func (v *VoucherBiz) CmbOrder(ctx context.Context, req *bo.OrderCreateReqBo) (or
 		}
 
 		orderNo = order.OrderNo
-		return orderNo, nil
+		return orderNo, err
 	}
 
 	product, err3 := v.ProductRepo.GetByProductNo(ctx, req.ProductNo)
diff --git a/internal/biz/order.go b/internal/biz/order.go
index 991c6fe..8f17cf9 100644
--- a/internal/biz/order.go
+++ b/internal/biz/order.go
@@ -37,6 +37,13 @@ func (v *VoucherBiz) order(ctx context.Context, req *bo.OrderCreateReqBo, produc
 		return nil, err
 	}
 
+	// 模拟一次失败
+	if err3 := v.fail(ctx, order, "mock 满足招行第一次失败，二次成功"); err3 != nil {
+		return nil, err3
+	}
+
+	return order, nil
+
 	return order, v.success(ctx, order, voucherNo)
 }