优化

Src/Transforms/RestfulInvoice.cs

@@ -364,6 +364,7 @@ namespace Kivii.Finances.Transforms
                     detail.AmountUntaxed = invoice.AmountUntaxed;
                     detail.Amount = invoice.Amount;
                     detail.AmountTax = invoice.AmountTax;
+                    detail.Quantity = detail.Quantity <= 0 ? 1 : detail.Quantity;
                     detail.QuantityUnitPrice = Math.Round(detail.Amount / detail.Quantity, 2);
                     detail.QuantityUnitPriceUntaxed = Math.Round(detail.AmountUntaxed / detail.Quantity, 2);
                     insertInvoiceDetails.Add(detail);