diff --git a/finance/src/components/FinanceCoinSellerRechargeOrderList.test.jsx b/finance/src/components/FinanceCoinSellerRechargeOrderList.test.jsx
index 5a147a8..2178749 100644
--- a/finance/src/components/FinanceCoinSellerRechargeOrderList.test.jsx
+++ b/finance/src/components/FinanceCoinSellerRechargeOrderList.test.jsx
@@ -1,5 +1,6 @@
 import { fireEvent, render, screen, waitFor } from "@testing-library/react";
 import { afterEach, expect, test, vi } from "vitest";
+import { COIN_SELLER_RECHARGE_PROVIDER_CURRENCIES } from "../constants.js";
 import { FinanceCoinSellerRechargeOrderList } from "./FinanceCoinSellerRechargeOrderList.jsx";
 
 afterEach(() => {
@@ -86,6 +87,15 @@ test("coin seller recharge order create dialog verifies receipt before create",
     );
 }, 10000);
 
+test("MiFaPay and V5Pay expose the complete runtime currency list", () => {
+    const runtimeCurrencies = Intl.supportedValuesOf("currency");
+
+    expect(COIN_SELLER_RECHARGE_PROVIDER_CURRENCIES.mifapay).toEqual(expect.arrayContaining(runtimeCurrencies));
+    expect(COIN_SELLER_RECHARGE_PROVIDER_CURRENCIES.v5pay).toEqual(expect.arrayContaining(runtimeCurrencies));
+    expect(COIN_SELLER_RECHARGE_PROVIDER_CURRENCIES.mifapay).toContain("BRL");
+    expect(COIN_SELLER_RECHARGE_PROVIDER_CURRENCIES.v5pay).toContain("BRL");
+});
+
 test("makeup order keeps zero coins while creating a normal recharge record", async () => {
     const nowMS = new Date(2026, 6, 13, 9, 0, 0, 0).getTime();
     vi.spyOn(Date, "now").mockReturnValue(nowMS);
diff --git a/finance/src/constants.js b/finance/src/constants.js
index 440d65b..8632bd1 100644
--- a/finance/src/constants.js
+++ b/finance/src/constants.js
@@ -29,9 +29,37 @@ export const COIN_SELLER_RECHARGE_CHAINS = [
     ["BSC", "BSC"],
 ];
 
+// 三方回单使用 ISO 4217 字母代码，前端不再维护渠道币种白名单；白名单会随渠道扩区而过期，
+// 造成后端能够校验的订单在录单入口不可选。Intl 数据来自浏览器运行时，并保留旧浏览器所需的现有币种兜底。
+const FALLBACK_PROVIDER_CURRENCIES = [
+    "AED",
+    "BDT",
+    "BHD",
+    "BRL",
+    "EGP",
+    "IDR",
+    "INR",
+    "KWD",
+    "MXN",
+    "OMR",
+    "PHP",
+    "PKR",
+    "QAR",
+    "SAR",
+    "TRY",
+    "VND",
+];
+export const COIN_SELLER_RECHARGE_CURRENCIES = [
+    ...new Set(
+        typeof Intl.supportedValuesOf === "function"
+            ? [...Intl.supportedValuesOf("currency"), ...FALLBACK_PROVIDER_CURRENCIES]
+            : FALLBACK_PROVIDER_CURRENCIES,
+    ),
+].sort();
+
 export const COIN_SELLER_RECHARGE_PROVIDER_CURRENCIES = {
-    mifapay: ["PHP", "INR", "IDR", "VND", "SAR", "AED", "BHD", "QAR", "OMR", "KWD", "BDT", "PKR", "EGP"],
-    v5pay: ["PHP", "SAR", "EGP", "AED", "IDR", "INR", "PKR", "TRY", "MXN"],
+    mifapay: COIN_SELLER_RECHARGE_CURRENCIES,
+    v5pay: COIN_SELLER_RECHARGE_CURRENCIES,
 };
 
 export const COIN_SELLER_RECHARGE_STATUS = [