diff --git a/web/classic/src/components/topup/index.jsx b/web/classic/src/components/topup/index.jsx
index 4d89253ba350..90203945406f 100644
--- a/web/classic/src/components/topup/index.jsx
+++ b/web/classic/src/components/topup/index.jsx
@@ -26,6 +26,7 @@ import {
   showSuccess,
   renderQuota,
   renderQuotaWithAmount,
+  getCurrencyConfig,
   copy,
   getQuotaPerUnit,
 } from '../../helpers';
@@ -800,8 +801,17 @@ const TopUp = () => {
     }
   }, [statusState?.status]);
 
+  const formatPaymentAmount = (value) => {
+    const { symbol } = getCurrencyConfig();
+    const numericValue = Number(value);
+    const displayValue = Number.isFinite(numericValue)
+      ? numericValue.toFixed(2)
+      : value;
+    return `${symbol}${displayValue}`;
+  };
+
   const renderAmount = () => {
-    return amount + ' ' + t('元');
+    return formatPaymentAmount(amount);
   };
 
   const getAmount = async (value) => {
@@ -928,6 +938,7 @@ const TopUp = () => {
         renderQuotaWithAmount={renderQuotaWithAmount}
         amountLoading={amountLoading}
         renderAmount={renderAmount}
+        formatPaymentAmount={formatPaymentAmount}
         payWay={payWay}
         payMethods={confirmPayMethods}
         amountNumber={amount}
diff --git a/web/classic/src/components/topup/modals/PaymentConfirmModal.jsx b/web/classic/src/components/topup/modals/PaymentConfirmModal.jsx
index f1c53c1219af..82fad4e45a3f 100644
--- a/web/classic/src/components/topup/modals/PaymentConfirmModal.jsx
+++ b/web/classic/src/components/topup/modals/PaymentConfirmModal.jsx
@@ -34,6 +34,7 @@ const PaymentConfirmModal = ({
   renderQuotaWithAmount,
   amountLoading,
   renderAmount,
+  formatPaymentAmount,
   payWay,
   payMethods,
   // 新增：用于显示折扣明细
@@ -97,7 +98,7 @@ const PaymentConfirmModal = ({
                     {t('原价')}：
                   </Text>
                   <Text delete className='text-slate-500 dark:text-slate-400'>
-                    {`${originalAmount.toFixed(2)} ${t('元')}`}
+                    {formatPaymentAmount(originalAmount)}
                   </Text>
                 </div>
                 <div className='flex justify-between items-center'>
@@ -105,7 +106,7 @@ const PaymentConfirmModal = ({
                     {t('优惠')}：
                   </Text>
                   <Text className='text-emerald-600 dark:text-emerald-400'>
-                    {`- ${discountAmount.toFixed(2)} ${t('元')}`}
+                    {`- ${formatPaymentAmount(discountAmount)}`}
                   </Text>
                 </div>
               </>