v3.5.3版本更新1

packages/domain/src/index.test.ts

@@ -2,6 +2,7 @@ import { describe, expect, it } from 'vitest';
 import {
   calcBenefitAmount,
   calcRedeemSettleAmount,
+  resolveSettlementRate,
   calcLogisticsFeeByBottles,
   calcOrderBoxCount,
   shouldHoldAutoCourierDispatch,
@@ -92,6 +93,7 @@ describe('validateRedeemAmount', () => {
     expect(validateRedeemAmount(100, 100).ok).toBe(true);
     expect(validateRedeemAmount(50, 60).ok).toBe(false);
     expect(validateRedeemAmount(100, 0).ok).toBe(false);
+    expect(validateRedeemAmount(100, Number.NaN).ok).toBe(false);
   });
 
   it('allows direct redeem up to total balance without a document cap', () => {
@@ -114,6 +116,15 @@ describe('calcRedeemSettleAmount', () => {
   });
 });
 
+describe('resolveSettlementRate', () => {
+  it('falls back to 0.6 when missing or invalid', () => {
+    expect(resolveSettlementRate(0.6)).toBe(0.6);
+    expect(resolveSettlementRate(0)).toBe(0.6);
+    expect(resolveSettlementRate(Number.NaN)).toBe(0.6);
+    expect(resolveSettlementRate(undefined)).toBe(0.6);
+  });
+});
+
 describe('calcLogisticsFeeByBottles', () => {
   const xfx = {
     baseBottles: 2,

packages/domain/src/index.ts

@@ -33,14 +33,25 @@ export function validateMinPurchase(
   return { ok: true };
 }
 
+export const DEFAULT_STORE_SETTLEMENT_RATE = 0.6;
+
+export function resolveSettlementRate(raw: unknown): number {
+  const n = Number(raw);
+  return Number.isFinite(n) && n > 0 ? n : DEFAULT_STORE_SETTLEMENT_RATE;
+}
+
 export function validateRedeemAmount(
   balance: number,
   amount: number,
   documentAmount?: number | null,
 ): { ok: boolean; message?: string } {
-  if (amount <= 0) return { ok: false, message: '核销金额必须大于 0' };
-  if (amount > balance) return { ok: false, message: '核销金额不能超过可用余额' };
-  if (documentAmount != null && amount > documentAmount) {
+  if (!Number.isFinite(amount) || amount <= 0) {
+    return { ok: false, message: '核销金额必须大于 0' };
+  }
+  if (!Number.isFinite(balance) || amount > balance) {
+    return { ok: false, message: '核销金额不能超过可用余额' };
+  }
+  if (documentAmount != null && Number.isFinite(documentAmount) && amount > documentAmount) {
     return { ok: false, message: '核销金额不能超过该核销单可用金额' };
   }
   return { ok: true };