diff --git a/backend/src/main/kotlin/com/wrbug/polymarketbot/controller/cryptotail/CryptoTailStrategyController.kt b/backend/src/main/kotlin/com/wrbug/polymarketbot/controller/cryptotail/CryptoTailStrategyController.kt
index 87ea5b5..4bfc122 100644
--- a/backend/src/main/kotlin/com/wrbug/polymarketbot/controller/cryptotail/CryptoTailStrategyController.kt
+++ b/backend/src/main/kotlin/com/wrbug/polymarketbot/controller/cryptotail/CryptoTailStrategyController.kt
@@ -267,7 +267,7 @@ class CryptoTailStrategyController(
                             "当前周期已下单" -> ErrorCode.PARAM_ERROR
                             "价格必须在 0~1 之间" -> ErrorCode.PARAM_ERROR
                             "数量不能少于 1" -> ErrorCode.PARAM_ERROR
-                            "总金额不能少于 1 USDC" -> ErrorCode.PARAM_ERROR
+                            "总金额不能少于 $1" -> ErrorCode.PARAM_ERROR
                             "总金额超过策略配置的投入金额" -> ErrorCode.PARAM_ERROR
                             else -> ErrorCode.SERVER_ERROR
                         }
diff --git a/backend/src/main/kotlin/com/wrbug/polymarketbot/service/cryptotail/CryptoTailStrategyExecutionService.kt b/backend/src/main/kotlin/com/wrbug/polymarketbot/service/cryptotail/CryptoTailStrategyExecutionService.kt
index 07a6c4d..09414de 100644
--- a/backend/src/main/kotlin/com/wrbug/polymarketbot/service/cryptotail/CryptoTailStrategyExecutionService.kt
+++ b/backend/src/main/kotlin/com/wrbug/polymarketbot/service/cryptotail/CryptoTailStrategyExecutionService.kt
@@ -702,7 +702,7 @@ class CryptoTailStrategyExecutionService(
 
             val amountUsdc = priceRounded.multi(size).setScale(2, RoundingMode.HALF_UP)
             if (amountUsdc < BigDecimal.ONE) {
-                return Result.failure(IllegalArgumentException("总金额不能少于 1 USDC"))
+                return Result.failure(IllegalArgumentException("总金额不能少于 \$1"))
             }
 
             val mutex = getTriggerMutex(strategy.id!!, request.periodStartUnix)
diff --git a/backend/src/main/kotlin/com/wrbug/polymarketbot/service/system/NotificationTemplateService.kt b/backend/src/main/kotlin/com/wrbug/polymarketbot/service/system/NotificationTemplateService.kt
index 28f95f1..6c43b0c 100644
--- a/backend/src/main/kotlin/com/wrbug/polymarketbot/service/system/NotificationTemplateService.kt
+++ b/backend/src/main/kotlin/com/wrbug/polymarketbot/service/system/NotificationTemplateService.kt
@@ -169,9 +169,9 @@ class NotificationTemplateService(
 • 方向: <b>{{side}}</b>
 • 价格: <code>{{price}}</code>
 • 数量: <code>{{quantity}}</code> shares
-• 金额: <code>{{amount}}</code> USDC
+• 金额: <code>${'$'}{{amount}}</code>
 • 账户: {{account_name}}
-• 可用余额: <code>{{available_balance}}</code> USDC
+• 可用余额: <code>${'$'}{{available_balance}}</code>
 
 ⏰ 时间: <code>{{time}}</code>
             """.trimIndent(),
@@ -184,7 +184,7 @@ class NotificationTemplateService(
 • 方向: <b>{{side}}</b>
 • 价格: <code>{{price}}</code>
 • 数量: <code>{{quantity}}</code> shares
-• 金额: <code>{{amount}}</code> USDC
+• 金额: <code>${'$'}{{amount}}</code>
 • 账户: {{account_name}}
 
 ⚠️ <b>错误信息：</b>
@@ -201,7 +201,7 @@ class NotificationTemplateService(
 • 方向: <b>{{side}}</b>
 • 价格: <code>{{price}}</code>
 • 数量: <code>{{quantity}}</code> shares
-• 金额: <code>{{amount}}</code> USDC
+• 金额: <code>${'$'}{{amount}}</code>
 • 账户: {{account_name}}
 
 ⚠️ <b>过滤类型：</b> <code>{{filter_type}}</code>
@@ -222,7 +222,7 @@ class NotificationTemplateService(
 • 方向: <b>{{side}}</b>
 • 价格: <code>{{price}}</code>
 • 数量: <code>{{quantity}}</code> shares
-• 金额: <code>{{amount}}</code> USDC
+• 金额: <code>${'$'}{{amount}}</code>
 • 账户: {{account_name}}
 
 ⏰ 时间: <code>{{time}}</code>
@@ -233,8 +233,8 @@ class NotificationTemplateService(
 📊 <b>赎回信息：</b>
 • 账户: {{account_name}}
 • 交易哈希: <code>{{transaction_hash}}</code>
-• 赎回总价值: <code>{{total_value}}</code> USDC
-• 可用余额: <code>{{available_balance}}</code> USDC
+• 赎回总价值: <code>${'$'}{{total_value}}</code>
+• 可用余额: <code>${'$'}{{available_balance}}</code>
 
 ⏰ 时间: <code>{{time}}</code>
             """.trimIndent(),
@@ -246,7 +246,7 @@ class NotificationTemplateService(
 
 • 账户: {{account_name}}
 • 交易哈希: <code>{{transaction_hash}}</code>
-• 可用余额: <code>{{available_balance}}</code> USDC
+• 可用余额: <code>${'$'}{{available_balance}}</code>
 
 ⏰ 时间: <code>{{time}}</code>
             """.trimIndent()
diff --git a/backend/src/main/kotlin/com/wrbug/polymarketbot/service/system/TelegramNotificationService.kt b/backend/src/main/kotlin/com/wrbug/polymarketbot/service/system/TelegramNotificationService.kt
index c473a88..64bd282 100644
--- a/backend/src/main/kotlin/com/wrbug/polymarketbot/service/system/TelegramNotificationService.kt
+++ b/backend/src/main/kotlin/com/wrbug/polymarketbot/service/system/TelegramNotificationService.kt
@@ -691,7 +691,7 @@ class TelegramNotificationService(
 • $sideLabel: <b>$sideDisplay</b>
 • $priceLabel: <code>$priceDisplay</code>
 • $quantityLabel: <code>$sizeDisplay</code> shares
-• $amountLabel: <code>$amountDisplay</code> USDC
+• $amountLabel: <code>${'$'}$amountDisplay</code>
 • $accountLabel: $escapedAccountInfo
 
 ⚠️ <b>$filterTypeLabel：</b> <code>$filterTypeDisplay</code>
@@ -1169,9 +1169,9 @@ class TelegramNotificationService(
                 } else {
                     balanceDecimal.stripTrailingZeros()
                 }
-                "\n• $availableBalanceLabel: <code>${formatted.toPlainString()}</code> USDC"
+                "\n• $availableBalanceLabel: <code>${'$'}${formatted.toPlainString()}</code>"
             } catch (e: Exception) {
-                "\n• $availableBalanceLabel: <code>$availableBalance</code> USDC"
+                "\n• $availableBalanceLabel: <code>${'$'}$availableBalance</code>"
             }
         } else {
             ""
@@ -1185,7 +1185,7 @@ class TelegramNotificationService(
 • $sideLabel: <b>$sideDisplay</b>
 • $priceLabel: <code>$priceDisplay</code>
 • $quantityLabel: <code>$sizeDisplay</code> shares
-• $amountLabel: <code>$amountDisplay</code> USDC
+• $amountLabel: <code>${'$'}$amountDisplay</code>
 • $accountLabel: $escapedAccountInfo$escapedCopyTradingInfo$availableBalanceDisplay
 
 ⏰ $timeLabel: <code>$time</code>"""
@@ -1264,7 +1264,7 @@ class TelegramNotificationService(
 • $sideLabel: <b>$sideDisplay</b>
 • $priceLabel: <code>$priceDisplay</code>
 • $quantityLabel: <code>$sizeDisplay</code> shares
-• $amountLabel: <code>$amountDisplay</code> USDC
+• $amountLabel: <code>${'$'}$amountDisplay</code>
 • $accountLabel: $escapedAccountInfo
 
 ⏰ $timeLabel: <code>$time</code>"""
@@ -1381,7 +1381,7 @@ class TelegramNotificationService(
 • $sideLabel: <b>$sideDisplay</b>
 • $priceLabel: <code>$priceDisplay</code>
 • $quantityLabel: <code>$sizeDisplay</code> shares
-• $amountLabel: <code>$amountDisplay</code> USDC
+• $amountLabel: <code>${'$'}$amountDisplay</code>
 • $accountLabel: $escapedAccountInfo
 
 ⚠️ <b>$errorInfo：</b>
@@ -1515,7 +1515,7 @@ class TelegramNotificationService(
             } catch (e: Exception) {
                 position.value
             }
-            "  • ${position.marketId.substring(0, 8)}... (${position.side}): $quantityDisplay shares = $valueDisplay USDC"
+            "  • ${position.marketId.substring(0, 8)}... (${position.side}): $quantityDisplay shares = ${'$'}$valueDisplay"
         }
         
         // 格式化可用余额
@@ -1527,9 +1527,9 @@ class TelegramNotificationService(
                 } else {
                     balanceDecimal.stripTrailingZeros()
                 }
-                "\n• $availableBalanceLabel: <code>${formatted.toPlainString()}</code> USDC"
+                "\n• $availableBalanceLabel: <code>${'$'}${formatted.toPlainString()}</code>"
             } catch (e: Exception) {
-                "\n• $availableBalanceLabel: <code>$availableBalance</code> USDC"
+                "\n• $availableBalanceLabel: <code>${'$'}$availableBalance</code>"
             }
         } else {
             ""
@@ -1540,7 +1540,7 @@ class TelegramNotificationService(
 📊 <b>$redeemInfo：</b>
 • $accountLabel: $escapedAccountInfo
 • $transactionHashLabel: <code>$escapedTxHash</code>
-• $totalValueLabel: <code>$totalValueDisplay</code> USDC$availableBalanceDisplay
+• $totalValueLabel: <code>${'$'}$totalValueDisplay</code>$availableBalanceDisplay
 
 📦 <b>$positionsLabel：</b>
 $positionsText
@@ -1642,9 +1642,9 @@ $positionsText
                 } else {
                     balanceDecimal.stripTrailingZeros()
                 }
-                "\n• $availableBalanceLabel: <code>${formatted.toPlainString()}</code> USDC"
+                "\n• $availableBalanceLabel: <code>${'$'}${formatted.toPlainString()}</code>"
             } catch (e: Exception) {
-                "\n• $availableBalanceLabel: <code>$availableBalance</code> USDC"
+                "\n• $availableBalanceLabel: <code>${'$'}$availableBalance</code>"
             }
         } else {
             ""
diff --git a/frontend/src/components/AccountImportForm.tsx b/frontend/src/components/AccountImportForm.tsx
index 265283a..464f8ad 100644
--- a/frontend/src/components/AccountImportForm.tsx
+++ b/frontend/src/components/AccountImportForm.tsx
@@ -525,7 +525,7 @@ const AccountImportForm: React.FC<AccountImportFormProps> = ({
                         </Space>
                         {!option.error && (
                           <span style={{ fontSize: 13, fontWeight: 500, color: 'var(--ant-color-primary)' }}>
-                            {formatUSDC(option.totalBalance)} USDC
+                            ${formatUSDC(option.totalBalance)}
                           </span>
                         )}
                       </div>
diff --git a/frontend/src/components/AccountSetupStatusBlock.tsx b/frontend/src/components/AccountSetupStatusBlock.tsx
index 49b92dd..67f1315 100644
--- a/frontend/src/components/AccountSetupStatusBlock.tsx
+++ b/frontend/src/components/AccountSetupStatusBlock.tsx
@@ -247,7 +247,7 @@ const AccountSetupStatusBlock: React.FC<AccountSetupStatusBlockProps> = ({
               const displayText = isUnlimited
                 ? t('accountSetup.approvalDetails.unlimited')
                 : isApproved
-                  ? `${parseFloat(allowance).toFixed(2)} USDC`
+                  ? `$${parseFloat(allowance).toFixed(2)}`
                   : t('accountSetup.approvalDetails.notApproved')
               return (
                 <div
diff --git a/frontend/src/pages/AccountDetail.tsx b/frontend/src/pages/AccountDetail.tsx
index 4baf6af..4662074 100644
--- a/frontend/src/pages/AccountDetail.tsx
+++ b/frontend/src/pages/AccountDetail.tsx
@@ -202,7 +202,7 @@ const AccountDetail: React.FC = () => {
               <Spin size="small" />
             ) : balance ? (
               <span style={{ fontWeight: 'bold', color: '#1890ff' }}>
-                {formatUSDC(balance)} USDC
+                ${formatUSDC(balance)}
               </span>
             ) : (
               <span style={{ color: '#999' }}>-</span>
@@ -274,7 +274,7 @@ const AccountDetail: React.FC = () => {
                     fontWeight: 'bold',
                     color: account.totalPnl.startsWith('-') ? '#ff4d4f' : '#52c41a'
                   }}>
-                    {formatUSDC(account.totalPnl)} USDC
+                    ${formatUSDC(account.totalPnl)}
                   </span>
                 </Descriptions.Item>
               )}
diff --git a/frontend/src/pages/BacktestChart.tsx b/frontend/src/pages/BacktestChart.tsx
index 7d53a48..e7c493a 100644
--- a/frontend/src/pages/BacktestChart.tsx
+++ b/frontend/src/pages/BacktestChart.tsx
@@ -75,9 +75,9 @@ const BacktestChart: React.FC<BacktestChartProps> = ({ trades }) => {
           return `
             <div>
               <div>${t('backtest.tradeTime')}: ${param.name}</div>
-              <div>${t('backtest.balanceAfter')}: ${value} USDC</div>
+              <div>${t('backtest.balanceAfter')}: $${value}</div>
               <div style="color: ${color}">
-                ${t('backtest.profitLoss')}: ${diff} USDC (${diffPercent}%)
+                ${t('backtest.profitLoss')}: $${diff} (${diffPercent}%)
               </div>
             </div>
           `
@@ -121,7 +121,7 @@ const BacktestChart: React.FC<BacktestChartProps> = ({ trades }) => {
       },
       yAxis: {
         type: 'value',
-        name: 'USDC',
+        name: '$',
         nameLocation: 'end',
         nameGap: 10,
         axisLabel: {
diff --git a/frontend/src/pages/BacktestDetail.tsx b/frontend/src/pages/BacktestDetail.tsx
index 572aebf..8584999 100644
--- a/frontend/src/pages/BacktestDetail.tsx
+++ b/frontend/src/pages/BacktestDetail.tsx
@@ -279,14 +279,14 @@ const BacktestDetail: React.FC = () => {
       render: (value: string) => parseFloat(value).toFixed(4)
     },
     {
-      title: t('backtest.amount') + ' (USDC)',
+      title: t('backtest.amount') + ' ($)',
       dataIndex: 'amount',
       key: 'amount',
       width: 120,
       render: (value: string) => formatUSDC(value)
     },
     {
-      title: t('backtest.balanceAfter') + ' (USDC)',
+      title: t('backtest.balanceAfter') + ' ($)',
       dataIndex: 'balanceAfter',
       key: 'balanceAfter',
       width: 120,
@@ -346,14 +346,14 @@ const BacktestDetail: React.FC = () => {
                 {task.leaderName || task.leaderAddress}
               </Descriptions.Item>
               <Descriptions.Item label={t('backtest.initialBalance')}>
-                {formatUSDC(task.initialBalance)} USDC
+                ${formatUSDC(task.initialBalance)}
               </Descriptions.Item>
               <Descriptions.Item label={t('backtest.finalBalance')}>
-                {task.finalBalance ? formatUSDC(task.finalBalance) + ' USDC' : '-'}
+                {task.finalBalance ? '$' + formatUSDC(task.finalBalance) : '-'}
               </Descriptions.Item>
               <Descriptions.Item label={t('backtest.profitAmount')}>
                 <span style={{ color: task.profitAmount && parseFloat(task.profitAmount) >= 0 ? '#52c41a' : '#ff4d4f' }}>
-                  {task.profitAmount ? formatUSDC(task.profitAmount) + ' USDC' : '-'}
+                  {task.profitAmount ? '$' + formatUSDC(task.profitAmount) : '-'}
                 </span>
               </Descriptions.Item>
               <Descriptions.Item label={t('backtest.profitRate')}>
diff --git a/frontend/src/pages/BacktestList.tsx b/frontend/src/pages/BacktestList.tsx
index 4dbb142..6af99c4 100644
--- a/frontend/src/pages/BacktestList.tsx
+++ b/frontend/src/pages/BacktestList.tsx
@@ -461,14 +461,14 @@ const BacktestList: React.FC = () => {
       render: (value: string) => parseFloat(value).toFixed(4)
     },
     {
-      title: t('backtest.amount') + ' (USDC)',
+      title: t('backtest.amount') + ' ($)',
       dataIndex: 'amount',
       key: 'amount',
       width: 120,
       render: (value: string) => formatUSDC(value)
     },
     {
-      title: t('backtest.balanceAfter') + ' (USDC)',
+      title: t('backtest.balanceAfter') + ' ($)',
       dataIndex: 'balanceAfter',
       key: 'balanceAfter',
       width: 120,
@@ -815,7 +815,7 @@ const BacktestList: React.FC = () => {
                         <div>
                           <div style={{ fontSize: '10px', color: '#8c8c8c' }}>{t('backtest.profitAmount')}</div>
                           {task.profitAmount != null ? (
-                            <div style={{ fontSize: '14px', fontWeight: '600', color: parseFloat(task.profitAmount) >= 0 ? '#52c41a' : '#ff4d4f' }}>{formatUSDC(task.profitAmount)} USDC</div>
+                            <div style={{ fontSize: '14px', fontWeight: '600', color: parseFloat(task.profitAmount) >= 0 ? '#52c41a' : '#ff4d4f' }}>${formatUSDC(task.profitAmount)}</div>
                           ) : (
                             <div style={{ fontSize: '14px', color: '#8c8c8c' }}>-</div>
                           )}
@@ -997,7 +997,7 @@ const BacktestList: React.FC = () => {
           <Row gutter={24}>
             <Col xs={24} sm={24} md={12}>
               <Form.Item
-                label={t('backtest.initialBalance') + ' (USDC)'}
+                label={t('backtest.initialBalance') + ' ($)'}
                 name="initialBalance"
                 rules={[
                   { required: true, message: t('backtest.initialBalanceRequired') || '请输入初始资金' },
@@ -1082,7 +1082,7 @@ const BacktestList: React.FC = () => {
 
             {copyMode === 'FIXED' && (
               <Form.Item
-                label={t('backtest.fixedAmount') + ' (USDC)'}
+                label={t('backtest.fixedAmount') + ' ($)'}
                 name="fixedAmount"
                 rules={[
                   { required: true, message: t('backtest.fixedAmountRequired') || '请输入固定金额' },
@@ -1101,7 +1101,7 @@ const BacktestList: React.FC = () => {
             <Row gutter={24}>
               <Col xs={24} sm={24} md={12}>
                 <Form.Item
-                  label={t('backtest.maxOrderSize') + ' (USDC)'}
+                  label={t('backtest.maxOrderSize') + ' ($)'}
                   name="maxOrderSize"
                   rules={[{ required: true }]}
                 >
@@ -1110,7 +1110,7 @@ const BacktestList: React.FC = () => {
               </Col>
               <Col xs={24} sm={24} md={12}>
                 <Form.Item
-                  label={t('backtest.minOrderSize') + ' (USDC)'}
+                  label={t('backtest.minOrderSize') + ' ($)'}
                   name="minOrderSize"
                   rules={[{ required: true }]}
                 >
@@ -1122,7 +1122,7 @@ const BacktestList: React.FC = () => {
             <Row gutter={24}>
               <Col xs={24} sm={24} md={12}>
                 <Form.Item
-                  label={t('backtest.maxDailyLoss') + ' (USDC)'}
+                  label={t('backtest.maxDailyLoss') + ' ($)'}
                   name="maxDailyLoss"
                   rules={[{ required: true }]}
                 >
@@ -1141,7 +1141,7 @@ const BacktestList: React.FC = () => {
             </Row>
 
             <Form.Item
-              label={t('backtest.maxPositionValue') + ' (USDC)'}
+              label={t('backtest.maxPositionValue') + ' ($)'}
               name="maxPositionValue"
             >
               <InputNumber
@@ -1316,14 +1316,14 @@ const BacktestList: React.FC = () => {
                   {detailTask.leaderName || `Leader ${detailTask.leaderId}`}
                 </Descriptions.Item>
                 <Descriptions.Item label={t('backtest.initialBalance')}>
-                  {formatUSDC(detailTask.initialBalance)} USDC
+                  ${formatUSDC(detailTask.initialBalance)}
                 </Descriptions.Item>
                 <Descriptions.Item label={t('backtest.finalBalance')}>
-                  {detailTask.finalBalance ? formatUSDC(detailTask.finalBalance) + ' USDC' : '-'}
+                  {detailTask.finalBalance ? '$' + formatUSDC(detailTask.finalBalance) : '-'}
                 </Descriptions.Item>
                 <Descriptions.Item label={t('backtest.profitAmount')}>
                   <span style={{ color: detailTask.profitAmount && parseFloat(detailTask.profitAmount) >= 0 ? '#52c41a' : '#ff4d4f' }}>
-                    {detailTask.profitAmount ? formatUSDC(detailTask.profitAmount) + ' USDC' : '-'}
+                    {detailTask.profitAmount ? '$' + formatUSDC(detailTask.profitAmount) : '-'}
                   </span>
                 </Descriptions.Item>
                 <Descriptions.Item label={t('backtest.profitRate')}>
@@ -1439,17 +1439,17 @@ const BacktestList: React.FC = () => {
                   <Descriptions.Item label={t('backtest.copyMode')}>
                     {detailConfig.copyMode === 'RATIO' 
                       ? `${t('backtest.copyModeRatio')} ${parseFloat(detailConfig.copyRatio) * 100}%`
-                      : `${t('backtest.copyModeFixed')} ${formatUSDC(detailConfig.fixedAmount)} USDC`
+                      : `${t('backtest.copyModeFixed')} $${formatUSDC(detailConfig.fixedAmount)}`
                     }
                   </Descriptions.Item>
                   <Descriptions.Item label={t('backtest.maxOrderSize')}>
-                    {formatUSDC(detailConfig.maxOrderSize)} USDC
+                    {'$' + formatUSDC(detailConfig.maxOrderSize)}
                   </Descriptions.Item>
                   <Descriptions.Item label={t('backtest.minOrderSize')}>
-                    {formatUSDC(detailConfig.minOrderSize)} USDC
+                    {'$' + formatUSDC(detailConfig.minOrderSize)}
                   </Descriptions.Item>
                   <Descriptions.Item label={t('backtest.maxDailyLoss')}>
-                    {formatUSDC(detailConfig.maxDailyLoss)} USDC
+                    {'$' + formatUSDC(detailConfig.maxDailyLoss)}
                   </Descriptions.Item>
                   <Descriptions.Item label={t('backtest.maxDailyOrders')}>
                     {detailConfig.maxDailyOrders}
@@ -1471,7 +1471,7 @@ const BacktestList: React.FC = () => {
                   )}
                   {detailConfig.maxPositionValue && (
                     <Descriptions.Item label={t('backtest.maxPositionValue')}>
-                      {formatUSDC(detailConfig.maxPositionValue)} USDC
+                      {'$' + formatUSDC(detailConfig.maxPositionValue)}
                     </Descriptions.Item>
                   )}
                   {(detailConfig.minPrice || detailConfig.maxPrice) && (
diff --git a/frontend/src/pages/CopyTradingBuyOrders.tsx b/frontend/src/pages/CopyTradingBuyOrders.tsx
index fb51a83..c162d97 100644
--- a/frontend/src/pages/CopyTradingBuyOrders.tsx
+++ b/frontend/src/pages/CopyTradingBuyOrders.tsx
@@ -150,7 +150,7 @@ const CopyTradingBuyOrdersPage: React.FC = () => {
         const amount = (parseFloat(record.quantity) * parseFloat(record.price)).toString()
         return (
           <span style={{ fontSize: isMobile ? 12 : 14 }}>
-            {isMobile ? formatUSDC(amount) : `${formatUSDC(amount)} USDC`}
+            {isMobile ? formatUSDC(amount) : `$${formatUSDC(amount)}`}
           </span>
         )
       }
@@ -305,7 +305,7 @@ const CopyTradingBuyOrdersPage: React.FC = () => {
                           数量: {formatUSDC(order.quantity)} | 价格: {formatUSDC(order.price)}
                         </div>
                         <div style={{ fontSize: '14px', fontWeight: '500', marginTop: '4px' }}>
-                          金额: {formatUSDC(amount)} USDC
+                          金额: ${formatUSDC(amount)}
                         </div>
                       </div>
                       
diff --git a/frontend/src/pages/CopyTradingList.tsx b/frontend/src/pages/CopyTradingList.tsx
index 5e204f8..e8a041d 100644
--- a/frontend/src/pages/CopyTradingList.tsx
+++ b/frontend/src/pages/CopyTradingList.tsx
@@ -279,7 +279,7 @@ const CopyTradingList: React.FC = () => {
               fontSize: isMobile ? 12 : 14
             }}>
               {getPnlIcon(stats.totalPnl)}
-              {isMobile ? formatUSDC(stats.totalPnl) : `${formatUSDC(stats.totalPnl)} USDC`}
+              {isMobile ? formatUSDC(stats.totalPnl) : `$${formatUSDC(stats.totalPnl)}`}
             </div>
             {!isMobile && (
               <div style={{ 
@@ -520,7 +520,7 @@ const CopyTradingList: React.FC = () => {
                         <div style={{ fontSize: '12px', opacity: '0.9' }}>
                           {record.copyMode === 'RATIO' 
                             ? `${t('copyTradingList.ratioMode') || '比例'} ${(parseFloat(record.copyRatio || '0') * 100).toFixed(0).replace(/\.0+$/, '')}%`
-                            : `${t('copyTradingList.fixedAmountMode') || '固定'} ${formatUSDC(record.fixedAmount || '0')} USDC`
+                            : `${t('copyTradingList.fixedAmountMode') || '固定'} $${formatUSDC(record.fixedAmount || '0')}`
                           }
                         </div>
                       </div>
@@ -549,7 +549,7 @@ const CopyTradingList: React.FC = () => {
                                 gap: '4px'
                               }}>
                                 {getPnlIcon(stats.totalPnl)}
-                                {formatUSDC(stats.totalPnl)} USDC
+                                ${formatUSDC(stats.totalPnl)}
                               </div>
                             ) : loadingStatistics.has(record.id) ? (
                               <Spin size="small" />
diff --git a/frontend/src/pages/CopyTradingMatchedOrders.tsx b/frontend/src/pages/CopyTradingMatchedOrders.tsx
index 77c27ce..812aed1 100644
--- a/frontend/src/pages/CopyTradingMatchedOrders.tsx
+++ b/frontend/src/pages/CopyTradingMatchedOrders.tsx
@@ -130,7 +130,7 @@ const CopyTradingMatchedOrdersPage: React.FC = () => {
           fontWeight: 500,
           fontSize: isMobile ? 12 : 14
         }}>
-          {isMobile ? formatUSDC(value) : `${formatUSDC(value)} USDC`}
+          {isMobile ? formatUSDC(value) : `$${formatUSDC(value)}`}
         </span>
       )
     },
@@ -262,7 +262,7 @@ const CopyTradingMatchedOrdersPage: React.FC = () => {
                           fontWeight: 'bold',
                           color: getPnlColor(order.realizedPnl)
                         }}>
-                          {formatUSDC(order.realizedPnl)} USDC
+                          ${formatUSDC(order.realizedPnl)}
                         </div>
                       </div>
                       
diff --git a/frontend/src/pages/CopyTradingOrders/AddModal.tsx b/frontend/src/pages/CopyTradingOrders/AddModal.tsx
index 78b3b89..11c8ba2 100644
--- a/frontend/src/pages/CopyTradingOrders/AddModal.tsx
+++ b/frontend/src/pages/CopyTradingOrders/AddModal.tsx
@@ -518,7 +518,7 @@ const AddModal: React.FC<AddModalProps> = ({
                       value={parseFloat(leaderAssetInfo.total)}
                       precision={4}
                       valueStyle={{ color: '#52c41a', fontWeight: 'bold', fontSize: '16px' }}
-                      suffix="USDC"
+                      prefix="$"
                       formatter={(value) => formatUSDC(value?.toString() || '0')}
                     />
                   </Col>
@@ -528,7 +528,7 @@ const AddModal: React.FC<AddModalProps> = ({
                       value={parseFloat(leaderAssetInfo.available)}
                       precision={4}
                       valueStyle={{ color: '#1890ff', fontSize: '14px' }}
-                      suffix="USDC"
+                      prefix="$"
                       formatter={(value) => formatUSDC(value?.toString() || '0')}
                     />
                   </Col>
@@ -538,7 +538,7 @@ const AddModal: React.FC<AddModalProps> = ({
                       value={parseFloat(leaderAssetInfo.position)}
                       precision={4}
                       valueStyle={{ color: '#722ed1', fontSize: '14px' }}
-                      suffix="USDC"
+                      prefix="$"
                       formatter={(value) => formatUSDC(value?.toString() || '0')}
                     />
                   </Col>
@@ -606,7 +606,7 @@ const AddModal: React.FC<AddModalProps> = ({
           
           {copyMode === 'FIXED' && (
             <Form.Item
-              label={t('copyTradingAdd.fixedAmount') || '固定跟单金额 (USDC)'}
+              label={t('copyTradingAdd.fixedAmount') || '固定跟单金额 ($)'}
               name="fixedAmount"
               rules={[
                 { required: true, message: t('copyTradingAdd.fixedAmountRequired') || '请输入固定跟单金额' },
@@ -645,7 +645,7 @@ const AddModal: React.FC<AddModalProps> = ({
           {copyMode === 'RATIO' && (
             <>
               <Form.Item
-                label={t('copyTradingAdd.maxOrderSize') || '单笔订单最大金额 (USDC)'}
+                label={t('copyTradingAdd.maxOrderSize') || '单笔订单最大金额 ($)'}
                 name="maxOrderSize"
                 tooltip={t('copyTradingAdd.maxOrderSizeTooltip') || '比例模式下，限制单笔跟单订单的最大金额上限'}
               >
@@ -665,7 +665,7 @@ const AddModal: React.FC<AddModalProps> = ({
               </Form.Item>
               
               <Form.Item
-                label={t('copyTradingAdd.minOrderSize') || '单笔订单最小金额 (USDC)'}
+                label={t('copyTradingAdd.minOrderSize') || '单笔订单最小金额 ($)'}
                 name="minOrderSize"
                 tooltip={t('copyTradingAdd.minOrderSizeTooltip') || '比例模式下，限制单笔跟单订单的最小金额下限，必须 >= 1'}
                 rules={[
@@ -700,7 +700,7 @@ const AddModal: React.FC<AddModalProps> = ({
           )}
           
           <Form.Item
-            label={t('copyTradingAdd.maxDailyLoss') || '每日最大亏损限制 (USDC)'}
+            label={t('copyTradingAdd.maxDailyLoss') || '每日最大亏损限制 ($)'}
             name="maxDailyLoss"
             tooltip={t('copyTradingAdd.maxDailyLossTooltip') || '限制每日最大亏损金额，用于风险控制'}
           >
@@ -709,7 +709,7 @@ const AddModal: React.FC<AddModalProps> = ({
               step={0.0001}
               precision={4}
               style={{ width: '100%' }}
-              placeholder={t('copyTradingAdd.maxDailyLossPlaceholder') || '默认 10000 USDC（可选）'}
+              placeholder={t('copyTradingAdd.maxDailyLossPlaceholder') || '默认 10000 $（可选）'}
               formatter={(value) => {
                 if (!value && value !== 0) return ''
                 const num = parseFloat(value.toString())
@@ -767,7 +767,7 @@ const AddModal: React.FC<AddModalProps> = ({
           </Form.Item>
           
           <Form.Item
-            label={t('copyTradingAdd.minOrderDepth') || '最小订单深度 (USDC)'}
+            label={t('copyTradingAdd.minOrderDepth') || '最小订单深度 ($)'}
             name="minOrderDepth"
             tooltip={t('copyTradingAdd.minOrderDepthTooltip') || '检查订单簿的总订单金额（买盘+卖盘），确保市场有足够的流动性。不填写则不启用此过滤'}
           >
@@ -853,7 +853,7 @@ const AddModal: React.FC<AddModalProps> = ({
           <Divider>{t('copyTradingAdd.positionLimitFilter') || '最大仓位限制'}</Divider>
           
           <Form.Item
-            label={t('copyTradingAdd.maxPositionValue') || '最大仓位金额 (USDC)'}
+            label={t('copyTradingAdd.maxPositionValue') || '最大仓位金额 ($)'}
             name="maxPositionValue"
             tooltip={t('copyTradingAdd.maxPositionValueTooltip') || '限制单个市场的最大仓位金额。如果该市场的当前仓位金额 + 跟单金额超过此限制，则不会下单。不填写则不启用此限制'}
           >
@@ -1082,7 +1082,7 @@ const AddModal: React.FC<AddModalProps> = ({
                 <span>
                   {record.copyMode === 'RATIO' 
                     ? `${t('copyTradingAdd.ratioMode') || '比例'} ${record.copyRatio}x`
-                    : `${t('copyTradingAdd.fixedAmountMode') || '固定'} ${formatUSDC(record.fixedAmount || '0')} USDC`
+                    : `${t('copyTradingAdd.fixedAmountMode') || '固定'} $${formatUSDC(record.fixedAmount || '0')}`
                   }
                 </span>
               )
diff --git a/frontend/src/pages/CopyTradingOrders/BuyOrdersTab.tsx b/frontend/src/pages/CopyTradingOrders/BuyOrdersTab.tsx
index a171506..ffbf626 100644
--- a/frontend/src/pages/CopyTradingOrders/BuyOrdersTab.tsx
+++ b/frontend/src/pages/CopyTradingOrders/BuyOrdersTab.tsx
@@ -261,7 +261,7 @@ const BuyOrdersTab: React.FC<BuyOrdersTabProps> = ({ copyTradingId, active = fal
         const amount = (parseFloat(record.quantity) * parseFloat(record.price)).toString()
         return (
           <span style={{ fontSize: isMobile ? 12 : 14 }}>
-            {isMobile ? formatUSDC(amount) : `${formatUSDC(amount)} USDC`}
+            {isMobile ? formatUSDC(amount) : `$${formatUSDC(amount)}`}
           </span>
         )
       }
@@ -384,7 +384,7 @@ const BuyOrdersTab: React.FC<BuyOrdersTabProps> = ({ copyTradingId, active = fal
                   </div>
                   <div style={{ display: 'flex', gap: '16px', flexWrap: 'wrap', fontSize: isMobile ? '12px' : '13px', color: '#666' }}>
                     <span>{t('copyTradingOrders.orderCount') || '订单数'}: {group.stats.count}</span>
-                    <span>{t('copyTradingOrders.totalAmount') || '总金额'}: {formatUSDC(group.stats.totalAmount)} USDC</span>
+                    <span>{t('copyTradingOrders.totalAmount') || '总金额'}: ${formatUSDC(group.stats.totalAmount)}</span>
                     <span>
                       {t('copyTradingOrders.statusBreakdown') || '状态'}:
                       {group.stats.fullyMatchedCount > 0 && ` ${t('copyTradingOrders.allFullySold') || '全部卖出'} ${group.stats.fullyMatchedCount}`}
@@ -460,7 +460,7 @@ const BuyOrdersTab: React.FC<BuyOrdersTabProps> = ({ copyTradingId, active = fal
 
                             <div style={{ fontSize: '12px', color: '#666' }}>
                               <div>{t('copyTradingOrders.quantity') || '数量'}: {formatUSDC(order.quantity)} | {t('copyTradingOrders.price') || '价格'}: {formatUSDC(order.price)}</div>
-                              <div>{t('copyTradingOrders.amount') || '金额'}: {formatUSDC(amount)} USDC</div>
+                              <div>{t('copyTradingOrders.amount') || '金额'}: ${formatUSDC(amount)}</div>
                               <div>{t('copyTradingOrders.matched') || '已匹配'}: {formatUSDC(order.matchedQuantity)} | {t('copyTradingOrders.remaining') || '剩余'}: {formatUSDC(order.remainingQuantity)}</div>
                               <div style={{ color: '#999', marginTop: '4px' }}>{formattedDate}</div>
                             </div>
@@ -557,7 +557,7 @@ const BuyOrdersTab: React.FC<BuyOrdersTabProps> = ({ copyTradingId, active = fal
                         {t('copyTradingOrders.quantity') || '数量'}: {formatUSDC(order.quantity)} | {t('copyTradingOrders.price') || '价格'}: {formatUSDC(order.price)}
                       </div>
                       <div style={{ fontSize: '14px', fontWeight: '500', marginTop: '4px' }}>
-                        {t('copyTradingOrders.amount') || '金额'}: {formatUSDC(amount)} USDC
+                        {t('copyTradingOrders.amount') || '金额'}: ${formatUSDC(amount)}
                       </div>
                     </div>
 
diff --git a/frontend/src/pages/CopyTradingOrders/EditModal.tsx b/frontend/src/pages/CopyTradingOrders/EditModal.tsx
index c94f021..ea66a39 100644
--- a/frontend/src/pages/CopyTradingOrders/EditModal.tsx
+++ b/frontend/src/pages/CopyTradingOrders/EditModal.tsx
@@ -356,7 +356,7 @@ const EditModal: React.FC<EditModalProps> = ({
                     value={parseFloat(leaderAssetInfo.total)}
                     precision={4}
                     valueStyle={{ color: '#52c41a', fontWeight: 'bold', fontSize: '16px' }}
-                    suffix="USDC"
+                    prefix="$"
                     formatter={(value) => formatUSDC(value?.toString() || '0')}
                   />
                 </Col>
@@ -366,7 +366,7 @@ const EditModal: React.FC<EditModalProps> = ({
                     value={parseFloat(leaderAssetInfo.available)}
                     precision={4}
                     valueStyle={{ color: '#1890ff', fontSize: '14px' }}
-                    suffix="USDC"
+                    prefix="$"
                     formatter={(value) => formatUSDC(value?.toString() || '0')}
                   />
                 </Col>
@@ -376,7 +376,7 @@ const EditModal: React.FC<EditModalProps> = ({
                     value={parseFloat(leaderAssetInfo.position)}
                     precision={4}
                     valueStyle={{ color: '#722ed1', fontSize: '14px' }}
-                    suffix="USDC"
+                    prefix="$"
                     formatter={(value) => formatUSDC(value?.toString() || '0')}
                   />
                 </Col>
@@ -456,7 +456,7 @@ const EditModal: React.FC<EditModalProps> = ({
           
           {copyMode === 'FIXED' && (
             <Form.Item
-              label={t('copyTradingEdit.fixedAmount') || '固定跟单金额 (USDC)'}
+              label={t('copyTradingEdit.fixedAmount') || '固定跟单金额 ($)'}
               name="fixedAmount"
               rules={[
                 { required: true, message: t('copyTradingEdit.fixedAmountRequired') || '请输入固定跟单金额' },
@@ -495,7 +495,7 @@ const EditModal: React.FC<EditModalProps> = ({
           {copyMode === 'RATIO' && (
             <>
               <Form.Item
-                label={t('copyTradingEdit.maxOrderSize') || '单笔订单最大金额 (USDC)'}
+                label={t('copyTradingEdit.maxOrderSize') || '单笔订单最大金额 ($)'}
                 name="maxOrderSize"
                 tooltip={t('copyTradingEdit.maxOrderSizeTooltip') || '比例模式下，限制单笔跟单订单的最大金额上限'}
               >
@@ -515,7 +515,7 @@ const EditModal: React.FC<EditModalProps> = ({
               </Form.Item>
               
               <Form.Item
-                label={t('copyTradingEdit.minOrderSize') || '单笔订单最小金额 (USDC)'}
+                label={t('copyTradingEdit.minOrderSize') || '单笔订单最小金额 ($)'}
                 name="minOrderSize"
                 tooltip={t('copyTradingEdit.minOrderSizeTooltip') || '比例模式下，限制单笔跟单订单的最小金额下限，必须 >= 1'}
                 rules={[
@@ -550,7 +550,7 @@ const EditModal: React.FC<EditModalProps> = ({
           )}
           
           <Form.Item
-            label={t('copyTradingEdit.maxDailyLoss') || '每日最大亏损限制 (USDC)'}
+            label={t('copyTradingEdit.maxDailyLoss') || '每日最大亏损限制 ($)'}
             name="maxDailyLoss"
             tooltip={t('copyTradingEdit.maxDailyLossTooltip') || '限制每日最大亏损金额，用于风险控制'}
           >
@@ -559,7 +559,7 @@ const EditModal: React.FC<EditModalProps> = ({
               step={0.0001}
               precision={4}
               style={{ width: '100%' }}
-              placeholder={t('copyTradingEdit.maxDailyLossPlaceholder') || '默认 10000 USDC（可选）'}
+              placeholder={t('copyTradingEdit.maxDailyLossPlaceholder') || '默认 10000 $（可选）'}
               formatter={(value) => {
                 if (!value && value !== 0) return ''
                 const num = parseFloat(value.toString())
@@ -617,7 +617,7 @@ const EditModal: React.FC<EditModalProps> = ({
           </Form.Item>
    
           <Form.Item
-            label={t('copyTradingEdit.minOrderDepth') || '最小订单深度 (USDC)'}
+            label={t('copyTradingEdit.minOrderDepth') || '最小订单深度 ($)'}
             name="minOrderDepth"
             tooltip={t('copyTradingEdit.minOrderDepthTooltip') || '检查订单簿的总订单金额（买盘+卖盘），确保市场有足够的流动性。不填写则不启用此过滤'}
           >
@@ -703,7 +703,7 @@ const EditModal: React.FC<EditModalProps> = ({
           <Divider>{t('copyTradingEdit.positionLimitFilter') || '最大仓位限制'}</Divider>
           
           <Form.Item
-            label={t('copyTradingEdit.maxPositionValue') || '最大仓位金额 (USDC)'}
+            label={t('copyTradingEdit.maxPositionValue') || '最大仓位金额 ($)'}
             name="maxPositionValue"
             tooltip={t('copyTradingEdit.maxPositionValueTooltip') || '限制单个市场的最大仓位金额。如果该市场的当前仓位金额 + 跟单金额超过此限制，则不会下单。不填写则不启用此限制'}
           >
diff --git a/frontend/src/pages/CopyTradingOrders/MatchedOrdersTab.tsx b/frontend/src/pages/CopyTradingOrders/MatchedOrdersTab.tsx
index 787f9d1..b55259b 100644
--- a/frontend/src/pages/CopyTradingOrders/MatchedOrdersTab.tsx
+++ b/frontend/src/pages/CopyTradingOrders/MatchedOrdersTab.tsx
@@ -228,7 +228,7 @@ const MatchedOrdersTab: React.FC<MatchedOrdersTabProps> = ({ copyTradingId, acti
           fontWeight: 500,
           fontSize: isMobile ? 12 : 14
         }}>
-          {isMobile ? formatUSDC(value) : `${formatUSDC(value)} USDC`}
+          {isMobile ? formatUSDC(value) : `$${formatUSDC(value)}`}
         </span>
       )
     },
@@ -408,7 +408,7 @@ const MatchedOrdersTab: React.FC<MatchedOrdersTabProps> = ({ copyTradingId, acti
                         fontWeight: 'bold',
                         color: getPnlColor(order.realizedPnl)
                       }}>
-                        {formatUSDC(order.realizedPnl)} USDC
+                        ${formatUSDC(order.realizedPnl)}
                       </div>
                     </div>
 
diff --git a/frontend/src/pages/CopyTradingOrders/SellOrdersTab.tsx b/frontend/src/pages/CopyTradingOrders/SellOrdersTab.tsx
index 4645a8b..d507dd8 100644
--- a/frontend/src/pages/CopyTradingOrders/SellOrdersTab.tsx
+++ b/frontend/src/pages/CopyTradingOrders/SellOrdersTab.tsx
@@ -258,7 +258,7 @@ const SellOrdersTab: React.FC<SellOrdersTabProps> = ({ copyTradingId, active = f
         const amount = (parseFloat(record.quantity) * parseFloat(record.price)).toString()
         return (
           <span style={{ fontSize: isMobile ? 12 : 14 }}>
-            {isMobile ? formatUSDC(amount) : `${formatUSDC(amount)} USDC`}
+            {isMobile ? formatUSDC(amount) : `$${formatUSDC(amount)}`}
           </span>
         )
       }
@@ -274,7 +274,7 @@ const SellOrdersTab: React.FC<SellOrdersTabProps> = ({ copyTradingId, active = f
           fontWeight: 500,
           fontSize: isMobile ? 12 : 14
         }}>
-          {isMobile ? formatUSDC(value) : `${formatUSDC(value)} USDC`}
+          {isMobile ? formatUSDC(value) : `$${formatUSDC(value)}`}
         </span>
       )
     },
@@ -362,10 +362,10 @@ const SellOrdersTab: React.FC<SellOrdersTabProps> = ({ copyTradingId, active = f
                   </div>
                   <div style={{ display: 'flex', gap: '16px', flexWrap: 'wrap', fontSize: isMobile ? '12px' : '13px', color: '#666' }}>
                     <span>{t('copyTradingOrders.orderCount') || '订单数'}: {group.stats.count}</span>
-                    <span>{t('copyTradingOrders.totalAmount') || '总金额'}: {formatUSDC(group.stats.totalAmount)} USDC</span>
+                    <span>{t('copyTradingOrders.totalAmount') || '总金额'}: ${formatUSDC(group.stats.totalAmount)}</span>
                     {group.stats.totalPnl && (
                       <span style={{ color: pnlColor, fontWeight: 500 }}>
-                        {t('copyTradingOrders.totalPnl') || '总盈亏'}: {formatUSDC(group.stats.totalPnl)} USDC
+                        {t('copyTradingOrders.totalPnl') || '总盈亏'}: ${formatUSDC(group.stats.totalPnl)}
                       </span>
                     )}
                   </div>
@@ -434,9 +434,9 @@ const SellOrdersTab: React.FC<SellOrdersTabProps> = ({ copyTradingId, active = f
 
                             <div style={{ fontSize: '12px', color: '#666' }}>
                               <div>{t('copyTradingOrders.quantity') || '数量'}: {formatUSDC(order.quantity)} | {t('copyTradingOrders.price') || '价格'}: {formatUSDC(order.price)}</div>
-                              <div>{t('copyTradingOrders.amount') || '金额'}: {formatUSDC(amount)} USDC</div>
+                              <div>{t('copyTradingOrders.amount') || '金额'}: ${formatUSDC(amount)}</div>
                               <div style={{ color: getPnlColor(order.realizedPnl), fontWeight: 500 }}>
-                                {t('copyTradingOrders.realizedPnl') || '已实现盈亏'}: {formatUSDC(order.realizedPnl)} USDC
+                                {t('copyTradingOrders.realizedPnl') || '已实现盈亏'}: ${formatUSDC(order.realizedPnl)}
                               </div>
                               <div style={{ color: '#999', marginTop: '4px' }}>{formattedDate}</div>
                             </div>
@@ -530,7 +530,7 @@ const SellOrdersTab: React.FC<SellOrdersTabProps> = ({ copyTradingId, active = f
                         {t('copyTradingOrders.quantity') || '数量'}: {formatUSDC(order.quantity)} | {t('copyTradingOrders.price') || '价格'}: {formatUSDC(order.price)}
                       </div>
                       <div style={{ fontSize: '14px', fontWeight: '500', marginTop: '4px' }}>
-                        {t('copyTradingOrders.amount') || '金额'}: {formatUSDC(amount)} USDC
+                        {t('copyTradingOrders.amount') || '金额'}: ${formatUSDC(amount)}
                       </div>
                     </div>
 
@@ -541,7 +541,7 @@ const SellOrdersTab: React.FC<SellOrdersTabProps> = ({ copyTradingId, active = f
                         fontWeight: 'bold',
                         color: getPnlColor(order.realizedPnl)
                       }}>
-                        {formatUSDC(order.realizedPnl)} USDC
+                        ${formatUSDC(order.realizedPnl)}
                       </div>
                     </div>
 
diff --git a/frontend/src/pages/CopyTradingOrders/StatisticsModal.tsx b/frontend/src/pages/CopyTradingOrders/StatisticsModal.tsx
index cf838f3..ed4ac2a 100644
--- a/frontend/src/pages/CopyTradingOrders/StatisticsModal.tsx
+++ b/frontend/src/pages/CopyTradingOrders/StatisticsModal.tsx
@@ -104,7 +104,7 @@ const StatisticsModal: React.FC<StatisticsModalProps> = ({
             </div>
             <div style={{ fontSize: '16px', fontWeight: '500', color: '#333', flex: '1', textAlign: 'right', display: 'flex', alignItems: 'center', justifyContent: 'flex-end', gap: '4px' }}>
               <ArrowUpOutlined style={{ color: '#1890ff', fontSize: '14px' }} />
-              <span style={{ fontSize: 'clamp(12px, 4vw, 16px)' }}>{formatUSDC(statistics.totalBuyAmount)} USDC</span>
+              <span style={{ fontSize: 'clamp(12px, 4vw, 16px)' }}>${formatUSDC(statistics.totalBuyAmount)}</span>
             </div>
           </div>
           <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', padding: '12px', borderBottom: '1px solid #f0f0f0' }}>
@@ -113,7 +113,7 @@ const StatisticsModal: React.FC<StatisticsModalProps> = ({
             </div>
             <div style={{ fontSize: '16px', fontWeight: '500', color: '#333', flex: '1', textAlign: 'right', display: 'flex', alignItems: 'center', justifyContent: 'flex-end', gap: '4px' }}>
               <ArrowDownOutlined style={{ color: '#ff4d4f', fontSize: '14px' }} />
-              <span style={{ fontSize: 'clamp(12px, 4vw, 16px)' }}>{formatUSDC(statistics.totalSellAmount)} USDC</span>
+              <span style={{ fontSize: 'clamp(12px, 4vw, 16px)' }}>${formatUSDC(statistics.totalSellAmount)}</span>
             </div>
           </div>
           <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', padding: '12px', borderBottom: '1px solid #f0f0f0' }}>
@@ -122,7 +122,7 @@ const StatisticsModal: React.FC<StatisticsModalProps> = ({
             </div>
             <div style={{ fontSize: '16px', fontWeight: 'bold', color: getPnlColor(statistics.totalPnl), flex: '1', textAlign: 'right', display: 'flex', alignItems: 'center', justifyContent: 'flex-end', gap: '4px' }}>
               {getPnlIcon(statistics.totalPnl)}
-              <span style={{ fontSize: 'clamp(12px, 4vw, 16px)' }}>{formatUSDC(statistics.totalPnl)} USDC</span>
+              <span style={{ fontSize: 'clamp(12px, 4vw, 16px)' }}>${formatUSDC(statistics.totalPnl)}</span>
             </div>
           </div>
           <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', padding: '12px', borderBottom: '1px solid #f0f0f0' }}>
@@ -131,7 +131,7 @@ const StatisticsModal: React.FC<StatisticsModalProps> = ({
             </div>
             <div style={{ fontSize: '16px', fontWeight: '500', color: getPnlColor(statistics.totalRealizedPnl), flex: '1', textAlign: 'right', display: 'flex', alignItems: 'center', justifyContent: 'flex-end', gap: '4px' }}>
               {getPnlIcon(statistics.totalRealizedPnl)}
-              <span style={{ fontSize: 'clamp(12px, 4vw, 16px)' }}>{formatUSDC(statistics.totalRealizedPnl)} USDC</span>
+              <span style={{ fontSize: 'clamp(12px, 4vw, 16px)' }}>${formatUSDC(statistics.totalRealizedPnl)}</span>
             </div>
           </div>
           <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', padding: '12px', borderBottom: '1px solid #f0f0f0' }}>
@@ -140,7 +140,7 @@ const StatisticsModal: React.FC<StatisticsModalProps> = ({
             </div>
             <div style={{ fontSize: '16px', fontWeight: '500', color: getPnlColor(statistics.totalUnrealizedPnl), flex: '1', textAlign: 'right', display: 'flex', alignItems: 'center', justifyContent: 'flex-end', gap: '4px' }}>
               {getPnlIcon(statistics.totalUnrealizedPnl)}
-              <span style={{ fontSize: 'clamp(12px, 4vw, 16px)' }}>{formatUSDC(statistics.totalUnrealizedPnl)} USDC</span>
+              <span style={{ fontSize: 'clamp(12px, 4vw, 16px)' }}>${formatUSDC(statistics.totalUnrealizedPnl)}</span>
             </div>
           </div>
         </div>
@@ -165,43 +165,38 @@ const StatisticsModal: React.FC<StatisticsModalProps> = ({
               <Statistic
                 title={t('copyTradingOrders.totalBuyAmount') || '总买入金额'}
                 value={formatUSDC(statistics.totalBuyAmount)}
-                suffix="USDC"
-                prefix={<ArrowUpOutlined style={{ color: '#1890ff' }} />}
+                prefix={<><ArrowUpOutlined style={{ color: '#1890ff' }} /> $</>}
               />
             </Col>
             <Col xs={24} sm={12} md={8}>
               <Statistic
                 title={t('copyTradingOrders.totalSellAmount') || '总卖出金额'}
                 value={formatUSDC(statistics.totalSellAmount)}
-                suffix="USDC"
-                prefix={<ArrowDownOutlined style={{ color: '#ff4d4f' }} />}
+                prefix={<><ArrowDownOutlined style={{ color: '#ff4d4f' }} /> $</>}
               />
             </Col>
             <Col xs={24} sm={12} md={8}>
               <Statistic
                 title={t('copyTradingOrders.totalPnl') || '总盈亏'}
                 value={formatUSDC(statistics.totalPnl)}
-                suffix="USDC"
                 valueStyle={{ color: getPnlColor(statistics.totalPnl) }}
-                prefix={getPnlIcon(statistics.totalPnl)}
+                prefix={<>{getPnlIcon(statistics.totalPnl)} $</>}
               />
             </Col>
             <Col xs={24} sm={12} md={8}>
               <Statistic
                 title={t('copyTradingOrders.totalRealizedPnl') || '总已实现盈亏'}
                 value={formatUSDC(statistics.totalRealizedPnl)}
-                suffix="USDC"
                 valueStyle={{ color: getPnlColor(statistics.totalRealizedPnl) }}
-                prefix={getPnlIcon(statistics.totalRealizedPnl)}
+                prefix={<>{getPnlIcon(statistics.totalRealizedPnl)} $</>}
               />
             </Col>
             <Col xs={24} sm={12} md={8}>
               <Statistic
                 title={t('copyTradingOrders.totalUnrealizedPnl') || '总未实现盈亏'}
                 value={formatUSDC(statistics.totalUnrealizedPnl)}
-                suffix="USDC"
                 valueStyle={{ color: getPnlColor(statistics.totalUnrealizedPnl) }}
-                prefix={getPnlIcon(statistics.totalUnrealizedPnl)}
+                prefix={<>{getPnlIcon(statistics.totalUnrealizedPnl)} $</>}
               />
             </Col>
           </Row>
diff --git a/frontend/src/pages/CopyTradingSellOrders.tsx b/frontend/src/pages/CopyTradingSellOrders.tsx
index fbe8f76..35e8a4d 100644
--- a/frontend/src/pages/CopyTradingSellOrders.tsx
+++ b/frontend/src/pages/CopyTradingSellOrders.tsx
@@ -145,7 +145,7 @@ const CopyTradingSellOrdersPage: React.FC = () => {
         const amount = (parseFloat(record.quantity) * parseFloat(record.price)).toString()
         return (
           <span style={{ fontSize: isMobile ? 12 : 14 }}>
-            {isMobile ? formatUSDC(amount) : `${formatUSDC(amount)} USDC`}
+            {isMobile ? formatUSDC(amount) : `$${formatUSDC(amount)}`}
           </span>
         )
       }
@@ -161,7 +161,7 @@ const CopyTradingSellOrdersPage: React.FC = () => {
           fontWeight: 500,
           fontSize: isMobile ? 12 : 14
         }}>
-          {isMobile ? formatUSDC(value) : `${formatUSDC(value)} USDC`}
+          {isMobile ? formatUSDC(value) : `$${formatUSDC(value)}`}
         </span>
       )
     },
@@ -277,7 +277,7 @@ const CopyTradingSellOrdersPage: React.FC = () => {
                           数量: {formatUSDC(order.quantity)} | 价格: {formatUSDC(order.price)}
                         </div>
                         <div style={{ fontSize: '14px', fontWeight: '500', marginTop: '4px' }}>
-                          金额: {formatUSDC(amount)} USDC
+                          金额: ${formatUSDC(amount)}
                         </div>
                       </div>
                       
@@ -289,7 +289,7 @@ const CopyTradingSellOrdersPage: React.FC = () => {
                           fontWeight: 'bold',
                           color: getPnlColor(order.realizedPnl)
                         }}>
-                          {formatUSDC(order.realizedPnl)} USDC
+                          ${formatUSDC(order.realizedPnl)}
                         </div>
                       </div>
                       
diff --git a/frontend/src/pages/CopyTradingStatistics.tsx b/frontend/src/pages/CopyTradingStatistics.tsx
index 7f639e8..01222af 100644
--- a/frontend/src/pages/CopyTradingStatistics.tsx
+++ b/frontend/src/pages/CopyTradingStatistics.tsx
@@ -145,7 +145,7 @@ const CopyTradingStatisticsPage: React.FC = () => {
             <Statistic
               title="总买入金额"
               value={formatUSDC(statistics.totalBuyAmount)}
-              suffix="USDC"
+              prefix="$"
             />
           </Col>
           <Col xs={24} sm={12} md={6}>
@@ -179,7 +179,7 @@ const CopyTradingStatisticsPage: React.FC = () => {
             <Statistic
               title="总卖出金额"
               value={formatUSDC(statistics.totalSellAmount)}
-              suffix="USDC"
+              prefix="$"
             />
           </Col>
           <Col xs={24} sm={12} md={8}>
@@ -220,8 +220,7 @@ const CopyTradingStatisticsPage: React.FC = () => {
               title="总已实现盈亏"
               value={formatUSDC(statistics.totalRealizedPnl)}
               valueStyle={{ color: getPnlColor(statistics.totalRealizedPnl) }}
-              prefix={getPnlIcon(statistics.totalRealizedPnl)}
-              suffix="USDC"
+              prefix={<>{getPnlIcon(statistics.totalRealizedPnl)} $</>}
             />
           </Col>
           <Col xs={24} sm={12} md={6}>
@@ -229,8 +228,7 @@ const CopyTradingStatisticsPage: React.FC = () => {
               title="总未实现盈亏"
               value={formatUSDC(statistics.totalUnrealizedPnl)}
               valueStyle={{ color: getPnlColor(statistics.totalUnrealizedPnl) }}
-              prefix={getPnlIcon(statistics.totalUnrealizedPnl)}
-              suffix="USDC"
+              prefix={<>{getPnlIcon(statistics.totalUnrealizedPnl)} $</>}
             />
           </Col>
           <Col xs={24} sm={12} md={6}>
@@ -238,8 +236,7 @@ const CopyTradingStatisticsPage: React.FC = () => {
               title="总盈亏"
               value={formatUSDC(statistics.totalPnl)}
               valueStyle={{ color: getPnlColor(statistics.totalPnl) }}
-              prefix={getPnlIcon(statistics.totalPnl)}
-              suffix="USDC"
+              prefix={<>{getPnlIcon(statistics.totalPnl)} $</>}
             />
           </Col>
           <Col xs={24} sm={12} md={6}>
diff --git a/frontend/src/pages/CryptoTailMonitor.tsx b/frontend/src/pages/CryptoTailMonitor.tsx
index 4ddacfd..c40fafd 100644
--- a/frontend/src/pages/CryptoTailMonitor.tsx
+++ b/frontend/src/pages/CryptoTailMonitor.tsx
@@ -493,7 +493,7 @@ const CryptoTailMonitor: React.FC = () => {
           } else {
             timeStr = '--'
           }
-          return `<span style="font-size:12px">${timeStr} &nbsp; ${Number(val).toFixed(2)} USDC</span>`
+          return `<span style="font-size:12px">${timeStr} &nbsp; $${Number(val).toFixed(2)}</span>`
         }
       },
       legend: {
diff --git a/frontend/src/pages/CryptoTailPnlCurveModal.tsx b/frontend/src/pages/CryptoTailPnlCurveModal.tsx
index 7732906..ad71f8f 100644
--- a/frontend/src/pages/CryptoTailPnlCurveModal.tsx
+++ b/frontend/src/pages/CryptoTailPnlCurveModal.tsx
@@ -45,12 +45,12 @@ const CryptoTailPnlCurveModal: React.FC<CryptoTailPnlCurveModalProps> = (props)
           if (!v) return ''
           const d = data.curveData.find((p) => p.timestamp === v[0])
           if (!d) return ''
-          return dayjs(v[0]).format('YYYY-MM-DD HH:mm') + '<br/>' + t('cryptoTailStrategy.pnlCurve.totalPnl') + ': ' + formatUSDC(d.cumulativePnl) + ' USDC'
+          return dayjs(v[0]).format('YYYY-MM-DD HH:mm') + '<br/>' + t('cryptoTailStrategy.pnlCurve.totalPnl') + ': $' + formatUSDC(d.cumulativePnl)
         }
       },
       grid: { left: '3%', right: '4%', bottom: '3%', top: '10%', containLabel: true },
       xAxis: { type: 'time' },
-      yAxis: { type: 'value', axisLabel: { formatter: (val: number) => String(val) + ' USDC' } },
+      yAxis: { type: 'value', axisLabel: { formatter: (val: number) => '$' + String(val) } },
       series: [{
         name: t('cryptoTailStrategy.pnlCurve.totalPnl'),
         type: 'line',
@@ -108,7 +108,7 @@ const CryptoTailPnlCurveModal: React.FC<CryptoTailPnlCurveModalProps> = (props)
           <Statistic
             title={t('cryptoTailStrategy.pnlCurve.totalPnl')}
             value={data?.totalRealizedPnl != null ? formatUSDC(data.totalRealizedPnl) : '-'}
-            suffix="USDC"
+            prefix="$"
             valueStyle={{ color: pnlColor(data?.totalRealizedPnl ?? null) }}
           />
         </Col>
@@ -125,7 +125,7 @@ const CryptoTailPnlCurveModal: React.FC<CryptoTailPnlCurveModalProps> = (props)
           <Statistic
             title={t('cryptoTailStrategy.pnlCurve.maxDrawdown')}
             value={data?.maxDrawdown != null ? '-' + formatUSDC(data.maxDrawdown) : '-'}
-            suffix="USDC"
+            prefix="$"
             valueStyle={{ color: data?.maxDrawdown ? '#ff4d4f' : undefined }}
           />
         </Col>
diff --git a/frontend/src/pages/CryptoTailStrategyList.tsx b/frontend/src/pages/CryptoTailStrategyList.tsx
index 1e37699..eb7de70 100644
--- a/frontend/src/pages/CryptoTailStrategyList.tsx
+++ b/frontend/src/pages/CryptoTailStrategyList.tsx
@@ -773,7 +773,7 @@ const CryptoTailStrategyList: React.FC = () => {
                         <div>
                           <div style={{ fontSize: '10px', color: '#8c8c8c' }}>{t('cryptoTailStrategy.list.totalRealizedPnl')}</div>
                           {item.totalRealizedPnl != null ? (
-                            <div style={{ fontSize: '14px', fontWeight: '600', color: pnlColor(item.totalRealizedPnl) }}>{formatUSDC(item.totalRealizedPnl)} USDC</div>
+                            <div style={{ fontSize: '14px', fontWeight: '600', color: pnlColor(item.totalRealizedPnl) }}>${formatUSDC(item.totalRealizedPnl)}</div>
                           ) : (
                             <div style={{ fontSize: '14px', color: '#8c8c8c' }}>-</div>
                           )}
@@ -966,7 +966,7 @@ const CryptoTailStrategyList: React.FC = () => {
                 </Form.Item>
               ) : (
                 <Form.Item name="amountValue" label={t('cryptoTailStrategy.form.fixedUsdc')} rules={[{ required: true }]}>
-                  <InputNumber min={1} style={{ width: '100%' }} addonAfter="USDC" stringMode />
+                  <InputNumber min={1} style={{ width: '100%' }} addonBefore="$" stringMode />
                 </Form.Item>
               )
             }
@@ -1111,7 +1111,7 @@ const CryptoTailStrategyList: React.FC = () => {
                         dataIndex: 'amountUsdc',
                         key: 'amountUsdc',
                         width: 110,
-                        render: (v: string) => `${formatUSDC(v)} USDC`
+                        render: (v: string) => `$${formatUSDC(v)}`
                       },
                       {
                         title: t('cryptoTailStrategy.triggerRecords.realizedPnl'),
@@ -1186,7 +1186,7 @@ const CryptoTailStrategyList: React.FC = () => {
                         dataIndex: 'amountUsdc',
                         key: 'amountUsdc',
                         width: 110,
-                        render: (v: string) => `${formatUSDC(v)} USDC`
+                        render: (v: string) => `$${formatUSDC(v)}`
                       },
                       {
                         title: t('cryptoTailStrategy.triggerRecords.failReason'),
diff --git a/frontend/src/pages/LeaderList.tsx b/frontend/src/pages/LeaderList.tsx
index 65a77ee..3b7260f 100644
--- a/frontend/src/pages/LeaderList.tsx
+++ b/frontend/src/pages/LeaderList.tsx
@@ -254,7 +254,7 @@ const LeaderList: React.FC = () => {
         return (
           <Space direction="vertical" size={0}>
             <Text style={{ color: '#52c41a', fontSize: '14px', fontWeight: '500' }}>
-              {balance.available === '-' ? '-' : `${formatUSDC(balance.available)} USDC`}
+              {balance.available === '-' ? '-' : `$${formatUSDC(balance.available)}`}
             </Text>
             <Text type="secondary" style={{ fontSize: '12px' }}>
               {t('leaderDetail.positionBalance')}: {formatUSDC(balance.position)}
@@ -488,7 +488,7 @@ const LeaderList: React.FC = () => {
                               {t('leaderDetail.availableBalance')}
                             </div>
                             <div style={{ fontSize: '14px', fontWeight: '600', color: '#52c41a' }}>
-                              {balance?.available && balance.available !== '-' ? `${formatUSDC(balance.available)} USDC` : '- USDC'}
+                              {balance?.available && balance.available !== '-' ? `$${formatUSDC(balance.available)}` : '-'}
                             </div>
                           </div>
                           <div style={{ textAlign: 'right' }}>
@@ -700,7 +700,7 @@ const LeaderList: React.FC = () => {
                         value={parseFloat(detailBalance.availableBalance)}
                         precision={4}
                         valueStyle={{ color: '#1890ff' }}
-                        suffix="USDC"
+                        prefix="$"
                         formatter={(value) => formatUSDC(value?.toString() || '0')}
                       />
                     </Card>
@@ -712,7 +712,7 @@ const LeaderList: React.FC = () => {
                         value={parseFloat(detailBalance.positionBalance)}
                         precision={4}
                         valueStyle={{ color: '#722ed1' }}
-                        suffix="USDC"
+                        prefix="$"
                         formatter={(value) => formatUSDC(value?.toString() || '0')}
                       />
                     </Card>
@@ -724,7 +724,7 @@ const LeaderList: React.FC = () => {
                         value={parseFloat(detailBalance.totalBalance)}
                         precision={4}
                         valueStyle={{ color: '#52c41a', fontWeight: 'bold' }}
-                        suffix="USDC"
+                        prefix="$"
                         formatter={(value) => formatUSDC(value?.toString() || '0')}
                       />
                     </Card>
diff --git a/frontend/src/pages/OrderList.tsx b/frontend/src/pages/OrderList.tsx
index 1630f0e..e2648e0 100644
--- a/frontend/src/pages/OrderList.tsx
+++ b/frontend/src/pages/OrderList.tsx
@@ -118,7 +118,7 @@ const OrderList: React.FC = () => {
       key: 'pnl',
       render: (pnl: string | undefined) => pnl ? (
         <span style={{ color: pnl.startsWith('-') ? 'red' : 'green' }}>
-          {formatUSDC(pnl)} USDC
+          ${formatUSDC(pnl)}
         </span>
       ) : '-'
     },
diff --git a/frontend/src/pages/PositionList.tsx b/frontend/src/pages/PositionList.tsx
index 4b1660e..60fcb81 100644
--- a/frontend/src/pages/PositionList.tsx
+++ b/frontend/src/pages/PositionList.tsx
@@ -695,7 +695,7 @@ const PositionList: React.FC = () => {
                         fontWeight: '500',
                         color: isProfit ? '#52c41a' : '#f5222d'
                       }}>
-                        {pnlNum >= 0 ? '+' : ''}{formatUSDC(position.pnl)} USDC
+                        {pnlNum >= 0 ? '+' : ''}${formatUSDC(position.pnl)}
                       </span>
                     </div>
                   )}
@@ -718,7 +718,7 @@ const PositionList: React.FC = () => {
                       <div style={{ display: 'flex', justifyContent: 'space-between', marginBottom: '8px' }}>
                         <span style={{ fontSize: '13px', color: '#666' }}>开仓价值</span>
                         <span style={{ fontSize: '13px', fontWeight: '500' }}>
-                          {formatUSDC(position.initialValue)} USDC
+                          ${formatUSDC(position.initialValue)}
                         </span>
                       </div>
                       {positionFilter === 'current' && position.currentPrice && (
@@ -732,7 +732,7 @@ const PositionList: React.FC = () => {
                           <div style={{ display: 'flex', justifyContent: 'space-between', marginBottom: '8px' }}>
                             <span style={{ fontSize: '13px', color: '#666' }}>当前价值</span>
                             <span style={{ fontSize: '13px', fontWeight: '600' }}>
-                              {formatUSDC(position.currentValue)} USDC
+                              ${formatUSDC(position.currentValue)}
                             </span>
                           </div>
                         </>
@@ -775,7 +775,7 @@ const PositionList: React.FC = () => {
                         fontWeight: 'bold',
                         color: isProfit ? '#52c41a' : '#f5222d'
                       }}>
-                        {pnlNum >= 0 ? '+' : ''}{formatUSDC(position.pnl)} USDC
+                        {pnlNum >= 0 ? '+' : ''}${formatUSDC(position.pnl)}
                       </span>
                     </div>
                     <div style={{ display: 'flex', justifyContent: 'flex-end' }}>
@@ -802,7 +802,7 @@ const PositionList: React.FC = () => {
                           color: parseFloat(position.realizedPnl) >= 0 ? '#52c41a' : '#f5222d',
                           fontWeight: '500'
                         }}>
-                          {parseFloat(position.realizedPnl) >= 0 ? '+' : ''}{formatUSDC(position.realizedPnl)} USDC
+                          {parseFloat(position.realizedPnl) >= 0 ? '+' : ''}${formatUSDC(position.realizedPnl)}
                         </span>
                       </div>
                     )}
@@ -951,7 +951,7 @@ const PositionList: React.FC = () => {
         dataIndex: 'initialValue',
         key: 'initialValue',
         render: (value: string) => (
-          <span>{formatUSDC(value)} USDC</span>
+          <span>${formatUSDC(value)}</span>
         ),
         align: 'right' as const,
         width: 110
@@ -971,7 +971,7 @@ const PositionList: React.FC = () => {
           return (
             <div>
               <div style={{ fontWeight: '600', marginBottom: '2px' }}>
-                {formatUSDC(record.currentValue)} USDC
+                ${formatUSDC(record.currentValue)}
               </div>
               <div style={{
                 fontSize: '13px',
@@ -1215,7 +1215,7 @@ const PositionList: React.FC = () => {
                   borderColor: '#52c41a'
                 }}
               >
-                赎回 ({redeemableSummary.totalCount}个, {formatUSDC(redeemableSummary.totalValue)} USDC)
+                赎回 ({redeemableSummary.totalCount}个, ${formatUSDC(redeemableSummary.totalValue)})
               </Button>
             )}
           </div>
@@ -1238,13 +1238,13 @@ const PositionList: React.FC = () => {
             <span>
               开仓价值合计：{' '}
               <span style={{ fontWeight: 600 }}>
-                {formatUSDC(positionTotals.totalInitialValue.toString())} USDC
+                ${formatUSDC(positionTotals.totalInitialValue.toString())}
               </span>
             </span>
             <span>
               当前价值合计：{' '}
               <span style={{ fontWeight: 600 }}>
-                {formatUSDC(positionTotals.totalCurrentValue.toString())} USDC
+                ${formatUSDC(positionTotals.totalCurrentValue.toString())}
               </span>
             </span>
             <span>
@@ -1256,7 +1256,7 @@ const PositionList: React.FC = () => {
                 }}
               >
                 {positionTotals.totalPnl >= 0 ? '+' : ''}
-                {formatUSDC(positionTotals.totalPnl.toString())} USDC
+                ${formatUSDC(positionTotals.totalPnl.toString())}
               </span>
             </span>
             <span>
@@ -1268,7 +1268,7 @@ const PositionList: React.FC = () => {
                 }}
               >
                 {positionTotals.totalRealizedPnl >= 0 ? '+' : ''}
-                {formatUSDC(positionTotals.totalRealizedPnl.toString())} USDC
+                ${formatUSDC(positionTotals.totalRealizedPnl.toString())}
               </span>
             </span>
           </div>
@@ -1532,7 +1532,7 @@ const PositionList: React.FC = () => {
                   color: currentPnl.pnl >= 0 ? '#52c41a' : '#f5222d',
                   marginBottom: '4px'
                 }}>
-                  {currentPnl.pnl >= 0 ? '+' : ''}{formatUSDC(currentPnl.pnl)} USDC
+                  {currentPnl.pnl >= 0 ? '+' : ''}${formatUSDC(currentPnl.pnl)}
                 </div>
                 <div style={{
                   fontSize: '14px',
@@ -1572,7 +1572,7 @@ const PositionList: React.FC = () => {
               </Descriptions.Item>
               <Descriptions.Item label="可赎回总价值">
                 <span style={{ fontSize: '18px', fontWeight: 'bold', color: '#52c41a' }}>
-                  {formatUSDC(redeemableSummary.totalValue)} USDC
+                  ${formatUSDC(redeemableSummary.totalValue)}
                 </span>
               </Descriptions.Item>
               <Descriptions.Item label="涉及账户">
@@ -1625,7 +1625,7 @@ const PositionList: React.FC = () => {
                     width: 120
                   },
                   {
-                    title: '价值 (USDC)',
+                    title: '价值 ($)',
                     dataIndex: 'value',
                     key: 'value',
                     align: 'right' as const,
diff --git a/frontend/src/pages/Statistics.tsx b/frontend/src/pages/Statistics.tsx
index 8736f7c..bfbe2ed 100644
--- a/frontend/src/pages/Statistics.tsx
+++ b/frontend/src/pages/Statistics.tsx
@@ -101,9 +101,8 @@ const Statistics: React.FC = () => {
             <Statistic
               title={t('statistics.totalPnl') || '总盈亏'}
               value={formatUSDC(stats?.totalPnl || '0')}
-              prefix={stats?.totalPnl && parseFloat(stats.totalPnl) >= 0 ? <ArrowUpOutlined /> : <ArrowDownOutlined />}
+              prefix={<>{stats?.totalPnl && parseFloat(stats.totalPnl) >= 0 ? <ArrowUpOutlined /> : <ArrowDownOutlined />} $</>}
               valueStyle={{ color: stats?.totalPnl && parseFloat(stats.totalPnl || '0') >= 0 ? '#3f8600' : '#cf1322' }}
-              suffix="USDC"
               loading={loading}
             />
           </Card>
@@ -124,9 +123,8 @@ const Statistics: React.FC = () => {
             <Statistic
               title={t('statistics.avgPnl') || '平均盈亏'}
               value={formatUSDC(stats?.avgPnl || '0')}
-              prefix={stats?.avgPnl && parseFloat(stats.avgPnl || '0') >= 0 ? <ArrowUpOutlined /> : <ArrowDownOutlined />}
+              prefix={<>{stats?.avgPnl && parseFloat(stats.avgPnl || '0') >= 0 ? <ArrowUpOutlined /> : <ArrowDownOutlined />} $</>}
               valueStyle={{ color: stats?.avgPnl && parseFloat(stats.avgPnl || '0') >= 0 ? '#3f8600' : '#cf1322' }}
-              suffix="USDC"
               loading={loading}
             />
           </Card>
@@ -136,9 +134,8 @@ const Statistics: React.FC = () => {
             <Statistic
               title={t('statistics.maxProfit') || '最大盈利'}
               value={formatUSDC(stats?.maxProfit || '0')}
-              prefix={<ArrowUpOutlined />}
+              prefix={<><ArrowUpOutlined /> $</>}
               valueStyle={{ color: '#3f8600' }}
-              suffix="USDC"
               loading={loading}
             />
           </Card>
@@ -148,9 +145,8 @@ const Statistics: React.FC = () => {
             <Statistic
               title={t('statistics.maxLoss') || '最大亏损'}
               value={formatUSDC(stats?.maxLoss || '0')}
-              prefix={<ArrowDownOutlined />}
+              prefix={<><ArrowDownOutlined /> $</>}
               valueStyle={{ color: '#cf1322' }}
-              suffix="USDC"
               loading={loading}
             />
           </Card>
diff --git a/frontend/src/pages/TemplateAdd.tsx b/frontend/src/pages/TemplateAdd.tsx
index af7f84d..e2aa4b8 100644
--- a/frontend/src/pages/TemplateAdd.tsx
+++ b/frontend/src/pages/TemplateAdd.tsx
@@ -154,7 +154,7 @@ const TemplateAdd: React.FC = () => {
           
           {copyMode === 'FIXED' && (
             <Form.Item
-              label={t('templateAdd.fixedAmount') || '固定跟单金额 (USDC)'}
+              label={t('templateAdd.fixedAmount') || '固定跟单金额 ($)'}
               name="fixedAmount"
               rules={[
                 { required: true, message: t('templateAdd.fixedAmountRequired') || '请输入固定跟单金额' },
@@ -193,9 +193,9 @@ const TemplateAdd: React.FC = () => {
           {copyMode === 'RATIO' && (
             <>
               <Form.Item
-                label={t('templateAdd.maxOrderSize') || '单笔订单最大金额 (USDC)'}
+                label={t('templateAdd.maxOrderSize') || '单笔订单最大金额 ($)'}
                 name="maxOrderSize"
-                tooltip={t('templateAdd.maxOrderSizeTooltip') || '比例模式下，限制单笔跟单订单的最大金额上限，用于防止跟单金额过大，控制风险。例如：设置为 1000，即使计算出的跟单金额超过 1000，也会限制为 1000 USDC。'}
+                tooltip={t('templateAdd.maxOrderSizeTooltip') || '比例模式下，限制单笔跟单订单的最大金额上限，用于防止跟单金额过大，控制风险。例如：设置为 1000，即使计算出的跟单金额超过 1000，也会限制为 $1000。'}
               >
                 <InputNumber
                   min={0.0001}
@@ -213,9 +213,9 @@ const TemplateAdd: React.FC = () => {
               </Form.Item>
               
               <Form.Item
-                label={t('templateAdd.minOrderSize') || '单笔订单最小金额 (USDC)'}
+                label={t('templateAdd.minOrderSize') || '单笔订单最小金额 ($)'}
                 name="minOrderSize"
-                tooltip={t('templateAdd.minOrderSizeTooltip') || '比例模式下，限制单笔跟单订单的最小金额下限，用于过滤掉金额过小的订单，避免频繁小额交易。如果填写，必须 >= 1 USDC。例如：设置为 10，如果计算出的跟单金额小于 10，则跳过该订单。'}
+                tooltip={t('templateAdd.minOrderSizeTooltip') || '比例模式下，限制单笔跟单订单的最小金额下限，用于过滤掉金额过小的订单，避免频繁小额交易。如果填写，必须 >= $1。例如：设置为 10，如果计算出的跟单金额小于 10，则跳过该订单。'}
                 rules={[
                   { 
                     validator: (_, value) => {
@@ -282,7 +282,7 @@ const TemplateAdd: React.FC = () => {
           </Form.Item>
           
           <Form.Item
-            label={t('templateAdd.minOrderDepth') || '最小订单深度 (USDC)'}
+            label={t('templateAdd.minOrderDepth') || '最小订单深度 ($)'}
             name="minOrderDepth"
             tooltip={t('templateAdd.minOrderDepthTooltip') || '检查订单簿的总订单金额（买盘+卖盘），确保市场有足够的流动性。不填写则不启用此过滤'}
           >
diff --git a/frontend/src/pages/TemplateEdit.tsx b/frontend/src/pages/TemplateEdit.tsx
index cf18826..9bf72f1 100644
--- a/frontend/src/pages/TemplateEdit.tsx
+++ b/frontend/src/pages/TemplateEdit.tsx
@@ -189,9 +189,9 @@ const TemplateEdit: React.FC = () => {
           
           {copyMode === 'FIXED' && (
             <Form.Item
-              label={t('templateEdit.fixedAmount') || '固定跟单金额 (USDC)'}
+              label={t('templateEdit.fixedAmount') || '固定跟单金额 ($)'}
               name="fixedAmount"
-              tooltip={t('templateEdit.fixedAmountTooltip') || '固定金额模式下，每次跟单的固定金额，不随 Leader 订单大小变化。必须 >= 1 USDC。例如：设置为 10，则无论 Leader 买入多少，跟单金额始终为 10 USDC。'}
+              tooltip={t('templateEdit.fixedAmountTooltip') || '固定金额模式下，每次跟单的固定金额，不随 Leader 订单大小变化。必须 >= $1。例如：设置为 10，则无论 Leader 买入多少，跟单金额始终为 $10。'}
               rules={[
                 { required: true, message: t('templateEdit.fixedAmountRequired') || '请输入固定跟单金额' },
                 { 
@@ -229,9 +229,9 @@ const TemplateEdit: React.FC = () => {
           {copyMode === 'RATIO' && (
             <>
               <Form.Item
-                label={t('templateEdit.maxOrderSize') || '单笔订单最大金额 (USDC)'}
+                label={t('templateEdit.maxOrderSize') || '单笔订单最大金额 ($)'}
                 name="maxOrderSize"
-                tooltip={t('templateEdit.maxOrderSizeTooltip') || '比例模式下，限制单笔跟单订单的最大金额上限，用于防止跟单金额过大，控制风险。例如：设置为 1000，即使计算出的跟单金额超过 1000，也会限制为 1000 USDC。'}
+                tooltip={t('templateEdit.maxOrderSizeTooltip') || '比例模式下，限制单笔跟单订单的最大金额上限，用于防止跟单金额过大，控制风险。例如：设置为 1000，即使计算出的跟单金额超过 1000，也会限制为 $1000。'}
               >
                 <InputNumber
                   min={0.0001}
@@ -249,9 +249,9 @@ const TemplateEdit: React.FC = () => {
               </Form.Item>
               
               <Form.Item
-                label={t('templateEdit.minOrderSize') || '单笔订单最小金额 (USDC)'}
+                label={t('templateEdit.minOrderSize') || '单笔订单最小金额 ($)'}
                 name="minOrderSize"
-                tooltip={t('templateEdit.minOrderSizeTooltip') || '比例模式下，限制单笔跟单订单的最小金额下限，用于过滤掉金额过小的订单，避免频繁小额交易。如果填写，必须 >= 1 USDC。例如：设置为 10，如果计算出的跟单金额小于 10，则跳过该订单。'}
+                tooltip={t('templateEdit.minOrderSizeTooltip') || '比例模式下，限制单笔跟单订单的最小金额下限，用于过滤掉金额过小的订单，避免频繁小额交易。如果填写，必须 >= $1。例如：设置为 10，如果计算出的跟单金额小于 10，则跳过该订单。'}
                 rules={[
                   { 
                     validator: (_, value) => {
@@ -318,7 +318,7 @@ const TemplateEdit: React.FC = () => {
           </Form.Item>
           
           <Form.Item
-            label={t('templateEdit.minOrderDepth') || '最小订单深度 (USDC)'}
+            label={t('templateEdit.minOrderDepth') || '最小订单深度 ($)'}
             name="minOrderDepth"
             tooltip={t('templateEdit.minOrderDepthTooltip') || '检查订单簿的总订单金额（买盘+卖盘），确保市场有足够的流动性。不填写则不启用此过滤'}
           >
diff --git a/frontend/src/pages/TemplateList.tsx b/frontend/src/pages/TemplateList.tsx
index 6a3dfce..618f265 100644
--- a/frontend/src/pages/TemplateList.tsx
+++ b/frontend/src/pages/TemplateList.tsx
@@ -176,7 +176,7 @@ const TemplateList: React.FC = () => {
         if (record.copyMode === 'RATIO') {
           return `${t('templateList.ratio') || '比例'} ${record.copyRatio}x`
         } else if (record.copyMode === 'FIXED' && record.fixedAmount) {
-          return `${t('templateList.fixedAmount') || '固定'} ${formatUSDC(record.fixedAmount)} USDC`
+          return `$${formatUSDC(record.fixedAmount)}`
         }
         return '-'
       }
@@ -350,7 +350,7 @@ const TemplateList: React.FC = () => {
                         <div style={{ fontSize: '12px', opacity: '0.9' }}>
                           {template.copyMode === 'RATIO' 
                             ? `${t('templateList.ratioMode') || '比例模式'} ${(parseFloat(template.copyRatio || '0') * 100).toFixed(0).replace(/\.0+$/, '')}%`
-                            : `${t('templateList.fixedAmountMode') || '固定金额'} ${formatUSDC(template.fixedAmount || '0')} USDC`
+                            : `$${formatUSDC(template.fixedAmount || '0')}`
                           }
                         </div>
                       </div>
@@ -396,11 +396,11 @@ const TemplateList: React.FC = () => {
                         }}>
                           <span style={{ color: '#d48806' }}>{t('templateList.amountLimit') || '金额限制'}: </span>
                           {template.maxOrderSize && (
-                            <span>{t('templateList.max') || '最大'} {formatUSDC(template.maxOrderSize)} USDC</span>
+                            <span>{t('templateList.max') || '最大'} ${formatUSDC(template.maxOrderSize)}</span>
                           )}
                           {template.maxOrderSize && template.minOrderSize && <span> | </span>}
                           {template.minOrderSize && (
-                            <span>{t('templateList.min') || '最小'} {formatUSDC(template.minOrderSize)} USDC</span>
+                            <span>{t('templateList.min') || '最小'} ${formatUSDC(template.minOrderSize)}</span>
                           )}
                           {!template.maxOrderSize && !template.minOrderSize && <span style={{ color: '#bfbfbf' }}>{t('templateList.notSet') || '未设置'}</span>}
                         </div>
@@ -551,7 +551,7 @@ const TemplateList: React.FC = () => {
           
           {copyMode === 'FIXED' && (
             <Form.Item
-              label="固定跟单金额 (USDC)"
+              label="固定跟单金额 ($)"
               name="fixedAmount"
               rules={[
                 { required: true, message: '请输入固定跟单金额' },
@@ -589,9 +589,9 @@ const TemplateList: React.FC = () => {
           {copyMode === 'RATIO' && (
             <>
               <Form.Item
-                label="单笔订单最大金额 (USDC)"
+                label="单笔订单最大金额 ($)"
                 name="maxOrderSize"
-                tooltip="比例模式下，限制单笔跟单订单的最大金额上限，用于防止跟单金额过大，控制风险。例如：设置为 1000，即使计算出的跟单金额超过 1000，也会限制为 1000 USDC。"
+                tooltip="比例模式下，限制单笔跟单订单的最大金额上限，用于防止跟单金额过大，控制风险。例如：设置为 1000，即使计算出的跟单金额超过 1000，也会限制为 $1000。"
               >
                 <InputNumber
                   min={0.01}
@@ -609,9 +609,9 @@ const TemplateList: React.FC = () => {
               </Form.Item>
               
               <Form.Item
-                label="单笔订单最小金额 (USDC)"
+                label="单笔订单最小金额 ($)"
                 name="minOrderSize"
-                tooltip="比例模式下，限制单笔跟单订单的最小金额下限，用于过滤掉金额过小的订单，避免频繁小额交易。如果填写，必须 >= 1 USDC。例如：设置为 10，如果计算出的跟单金额小于 10，则跳过该订单。"
+                tooltip="比例模式下，限制单笔跟单订单的最小金额下限，用于过滤掉金额过小的订单，避免频繁小额交易。如果填写，必须 >= $1。例如：设置为 10，如果计算出的跟单金额小于 10，则跳过该订单。"
                 rules={[
                   { 
                     validator: (_, value) => {
@@ -698,7 +698,7 @@ const TemplateList: React.FC = () => {
           <Divider>过滤条件（可选）</Divider>
           
           <Form.Item
-            label="最小订单深度 (USDC)"
+            label="最小订单深度 ($)"
             name="minOrderDepth"
             tooltip="检查订单簿的总订单金额（买盘+卖盘），确保市场有足够的流动性。不填写则不启用此过滤"
           >