优化

src/modules/customers/overseasStorageFee.test.ts

@@ -28,4 +28,10 @@ describe('customer overseas storage fee api', () => {
     expect(http.put).toHaveBeenCalledWith(`/platform/v1/iam/tenants/${config.customerId}/overseas-storage-fees`, request)
     expect(result.version).toBe(1)
   })
+
+  it('normalizes an omitted end day as an open-ended tier', async () => {
+    vi.mocked(http.get).mockResolvedValue({ data: { ...config, tiers: [{ id: 1, startDay: 91, unitPrice: 2, sortNo: 5, feeType: 'STORAGE', billingUnit: 'CBM' }] } })
+    const result = await getCustomerOverseasStorageFees(config.customerId)
+    expect(result.tiers[0]?.endDay).toBeNull()
+  })
 })