diff --git a/frontend/mining-admin-web/src/app/(dashboard)/reports/page.tsx b/frontend/mining-admin-web/src/app/(dashboard)/reports/page.tsx
index a9347cb9..e63d0372 100644
--- a/frontend/mining-admin-web/src/app/(dashboard)/reports/page.tsx
+++ b/frontend/mining-admin-web/src/app/(dashboard)/reports/page.tsx
@@ -123,8 +123,8 @@ export default function ReportsPage() {
                     <TableCell className="text-right font-mono text-green-600">
                       +{formatCompactNumber(report.newContribution)}
                     </TableCell>
-                    <TableCell className="text-right font-mono">{formatDecimal(report.dailyDistributed, 2)}</TableCell>
-                    <TableCell className="text-right font-mono">{formatDecimal(report.dailyBurned, 2)}</TableCell>
+                    <TableCell className="text-right font-mono">{formatDecimal(report.dailyDistributed, 8)}</TableCell>
+                    <TableCell className="text-right font-mono">{formatDecimal(report.dailyBurned, 8)}</TableCell>
                     <TableCell className="text-right font-mono">{formatDecimal(report.closePrice, 8)}</TableCell>
                     <TableCell className="text-right font-mono">{formatCompactNumber(report.dailyVolume)}</TableCell>
                   </TableRow>
diff --git a/frontend/mining-admin-web/src/app/(dashboard)/users/[accountSequence]/page.tsx b/frontend/mining-admin-web/src/app/(dashboard)/users/[accountSequence]/page.tsx
index a6377890..5a56987d 100644
--- a/frontend/mining-admin-web/src/app/(dashboard)/users/[accountSequence]/page.tsx
+++ b/frontend/mining-admin-web/src/app/(dashboard)/users/[accountSequence]/page.tsx
@@ -193,14 +193,14 @@ export default function UserDetailPage() {
             {/* 个人算力 */}
             <div className="flex justify-between items-center">
               <span className="text-sm text-muted-foreground">个人算力 (70%)</span>
-              <span className="font-mono font-medium">{formatDecimal(user?.contributions?.personal, 4)}</span>
+              <span className="font-mono font-medium">{formatDecimal(user?.contributions?.personal, 8)}</span>
             </div>
 
             {/* 层级算力 */}
             <div className="space-y-2">
               <div className="flex justify-between items-center">
                 <span className="text-sm text-muted-foreground">层级算力 (7.5%)</span>
-                <span className="font-mono font-medium">{formatDecimal(user?.contributions?.teamLevel, 4)}</span>
+                <span className="font-mono font-medium">{formatDecimal(user?.contributions?.teamLevel, 8)}</span>
               </div>
               <div className="pl-3 space-y-1 text-xs">
                 <div className="flex items-center gap-2">
@@ -243,7 +243,7 @@ export default function UserDetailPage() {
             <div className="space-y-2">
               <div className="flex justify-between items-center">
                 <span className="text-sm text-muted-foreground">团队奖励 (7.5%)</span>
-                <span className="font-mono font-medium">{formatDecimal(user?.contributions?.teamBonus, 4)}</span>
+                <span className="font-mono font-medium">{formatDecimal(user?.contributions?.teamBonus, 8)}</span>
               </div>
               <div className="pl-3 space-y-1 text-xs">
                 <div className="flex items-center gap-2">
@@ -285,7 +285,7 @@ export default function UserDetailPage() {
             {/* 有效算力 */}
             <div className="flex justify-between pt-3 border-t font-medium">
               <span>有效算力 (贡献值)</span>
-              <span className="font-mono text-primary text-lg">{formatDecimal(user?.effectiveContribution, 4)}</span>
+              <span className="font-mono text-primary text-lg">{formatDecimal(user?.effectiveContribution, 8)}</span>
             </div>
 
             {/* 解锁状态汇总 */}
@@ -317,7 +317,7 @@ export default function UserDetailPage() {
                   <Coins className="h-4 w-4" /> 挖矿余额
                 </p>
                 <p className="text-3xl font-bold font-mono text-primary mt-1">
-                  {formatDecimal(user?.miningBalance, 4)}
+                  {formatDecimal(user?.miningBalance, 8)}
                 </p>
               </div>
             </div>
@@ -331,7 +331,7 @@ export default function UserDetailPage() {
                   <ShoppingCart className="h-4 w-4" /> 交易余额
                 </p>
                 <p className="text-3xl font-bold font-mono text-blue-600 mt-1">
-                  {formatDecimal(user?.tradingBalance, 4)}
+                  {formatDecimal(user?.tradingBalance, 8)}
                 </p>
               </div>
             </div>
@@ -343,7 +343,7 @@ export default function UserDetailPage() {
               <div>
                 <p className="text-sm text-muted-foreground">冻结余额</p>
                 <p className="text-3xl font-bold font-mono text-orange-600 mt-1">
-                  {formatDecimal(user?.frozenBalance, 4)}
+                  {formatDecimal(user?.frozenBalance, 8)}
                 </p>
               </div>
             </div>
diff --git a/frontend/mining-admin-web/src/app/(dashboard)/users/page.tsx b/frontend/mining-admin-web/src/app/(dashboard)/users/page.tsx
index 02ad7045..f394d38f 100644
--- a/frontend/mining-admin-web/src/app/(dashboard)/users/page.tsx
+++ b/frontend/mining-admin-web/src/app/(dashboard)/users/page.tsx
@@ -182,11 +182,11 @@ export default function UsersPage() {
                       </TableCell>
                       {/* 有效算力 */}
                       <TableCell className="text-right font-mono text-sm text-primary font-medium">
-                        {formatDecimal(user.effectiveContribution, 4)}
+                        {formatDecimal(user.effectiveContribution, 8)}
                       </TableCell>
                       {/* 挖矿余额 */}
                       <TableCell className="text-right font-mono text-sm">
-                        {formatDecimal(user.miningBalance, 4)}
+                        {formatDecimal(user.miningBalance, 8)}
                       </TableCell>
                       {/* 推荐人 */}
                       <TableCell className="font-mono text-sm text-muted-foreground">
diff --git a/frontend/mining-admin-web/src/features/dashboard/components/realtime-panel.tsx b/frontend/mining-admin-web/src/features/dashboard/components/realtime-panel.tsx
index 6f6f36bd..1413295a 100644
--- a/frontend/mining-admin-web/src/features/dashboard/components/realtime-panel.tsx
+++ b/frontend/mining-admin-web/src/features/dashboard/components/realtime-panel.tsx
@@ -35,14 +35,14 @@ export function RealtimePanel() {
   const items = [
     {
       label: '本分钟分配',
-      value: formatDecimal(data?.currentMinuteDistribution, 4),
+      value: formatDecimal(data?.currentMinuteDistribution, 8),
       unit: '股',
       icon: Activity,
       iconColor: 'text-green-500',
     },
     {
       label: '本分钟销毁',
-      value: formatDecimal(data?.currentMinuteBurn, 4),
+      value: formatDecimal(data?.currentMinuteBurn, 8),
       unit: '股',
       icon: Flame,
       iconColor: 'text-orange-500',
diff --git a/frontend/mining-admin-web/src/features/system-accounts/components/account-card.tsx b/frontend/mining-admin-web/src/features/system-accounts/components/account-card.tsx
index c42ba2b0..14c4201e 100644
--- a/frontend/mining-admin-web/src/features/system-accounts/components/account-card.tsx
+++ b/frontend/mining-admin-web/src/features/system-accounts/components/account-card.tsx
@@ -44,7 +44,7 @@ export function AccountCard({ account }: AccountCardProps) {
               )}
             </div>
             <p className="text-2xl font-bold font-mono mt-1">
-              {formatDecimal(balance, 4)}
+              {formatDecimal(balance, 8)}
             </p>
             <p className="text-xs text-muted-foreground mt-2 line-clamp-2">
               {account.description || displayInfo.description}
diff --git a/frontend/mining-admin-web/src/features/system-accounts/components/accounts-table.tsx b/frontend/mining-admin-web/src/features/system-accounts/components/accounts-table.tsx
index 48ee9832..2702f610 100644
--- a/frontend/mining-admin-web/src/features/system-accounts/components/accounts-table.tsx
+++ b/frontend/mining-admin-web/src/features/system-accounts/components/accounts-table.tsx
@@ -94,7 +94,7 @@ export function AccountsTable({
                       {account.name || displayInfo.label}
                     </TableCell>
                     <TableCell className="text-right font-mono">
-                      {formatDecimal(balance, 4)}
+                      {formatDecimal(balance, 8)}
                       {account.contributionNeverExpires && (
                         <Badge variant="outline" className="ml-2 text-xs">
                           永久
diff --git a/frontend/mining-admin-web/src/features/system-accounts/components/summary-cards.tsx b/frontend/mining-admin-web/src/features/system-accounts/components/summary-cards.tsx
index ef9c0a34..d50304c3 100644
--- a/frontend/mining-admin-web/src/features/system-accounts/components/summary-cards.tsx
+++ b/frontend/mining-admin-web/src/features/system-accounts/components/summary-cards.tsx
@@ -41,7 +41,7 @@ export function SummaryCards({ summary, isLoading = false }: SummaryCardsProps)
               <p className="text-sm text-muted-foreground">本地账户</p>
               <p className="text-2xl font-bold mt-1">{summary.systemAccounts.count}</p>
               <p className="text-xs text-muted-foreground mt-2">
-                总算力: {formatDecimal(summary.systemAccounts.totalContribution, 4)}
+                总算力: {formatDecimal(summary.systemAccounts.totalContribution, 8)}
               </p>
             </div>
             <div className="p-3 rounded-lg bg-blue-50">
@@ -59,7 +59,7 @@ export function SummaryCards({ summary, isLoading = false }: SummaryCardsProps)
               <p className="text-sm text-muted-foreground">同步算力</p>
               <p className="text-2xl font-bold mt-1">{summary.syncedContributions.count}</p>
               <p className="text-xs text-muted-foreground mt-2">
-                总余额: {formatDecimal(summary.syncedContributions.totalBalance, 4)}
+                总余额: {formatDecimal(summary.syncedContributions.totalBalance, 8)}
               </p>
             </div>
             <div className="p-3 rounded-lg bg-green-50">
@@ -88,7 +88,7 @@ export function SummaryCards({ summary, isLoading = false }: SummaryCardsProps)
                     第 {summary.miningConfig.currentEra} 纪
                   </p>
                   <p className="text-xs text-muted-foreground mt-2">
-                    剩余分发: {formatDecimal(summary.miningConfig.remainingDistribution, 2)}
+                    剩余分发: {formatDecimal(summary.miningConfig.remainingDistribution, 8)}
                   </p>
                 </>
               ) : (
@@ -111,10 +111,10 @@ export function SummaryCards({ summary, isLoading = false }: SummaryCardsProps)
               {summary.circulationPool ? (
                 <>
                   <p className="text-2xl font-bold mt-1">
-                    {formatDecimal(summary.circulationPool.totalShares, 2)}
+                    {formatDecimal(summary.circulationPool.totalShares, 8)}
                   </p>
                   <p className="text-xs text-muted-foreground mt-2">
-                    总金额: {formatDecimal(summary.circulationPool.totalCash, 2)} USDT
+                    总金额: {formatDecimal(summary.circulationPool.totalCash, 8)} USDT
                   </p>
                 </>
               ) : (
diff --git a/frontend/mining-admin-web/src/features/users/components/contribution-records-list.tsx b/frontend/mining-admin-web/src/features/users/components/contribution-records-list.tsx
index 80738375..84d32cb6 100644
--- a/frontend/mining-admin-web/src/features/users/components/contribution-records-list.tsx
+++ b/frontend/mining-admin-web/src/features/users/components/contribution-records-list.tsx
@@ -88,9 +88,9 @@ export function ContributionRecordsList({ accountSequence }: ContributionRecords
                     )}
                   </TableCell>
                   <TableCell className="text-right">{record.treeCount}</TableCell>
-                  <TableCell className="text-right font-mono">{formatDecimal(record.baseContribution, 2)}</TableCell>
+                  <TableCell className="text-right font-mono">{formatDecimal(record.baseContribution, 8)}</TableCell>
                   <TableCell className="text-right">{formatPercent(record.distributionRate)}</TableCell>
-                  <TableCell className="text-right font-mono font-medium">{formatDecimal(record.amount, 4)}</TableCell>
+                  <TableCell className="text-right font-mono font-medium">{formatDecimal(record.amount, 8)}</TableCell>
                   <TableCell>
                     {record.levelDepth !== null
                       ? `L${record.levelDepth}`
diff --git a/frontend/mining-admin-web/src/features/users/components/mining-records-list.tsx b/frontend/mining-admin-web/src/features/users/components/mining-records-list.tsx
index 4dc622ef..f76a886e 100644
--- a/frontend/mining-admin-web/src/features/users/components/mining-records-list.tsx
+++ b/frontend/mining-admin-web/src/features/users/components/mining-records-list.tsx
@@ -56,7 +56,7 @@ export function MiningRecordsList({ accountSequence }: MiningRecordsListProps) {
                   <TableCell className="font-mono">{record.distributionMinute}</TableCell>
                   <TableCell className="text-right">{formatPercent(record.contributionRatio)}</TableCell>
                   <TableCell className="text-right font-mono text-primary">
-                    +{formatDecimal(record.shareAmount, 4)}
+                    +{formatDecimal(record.shareAmount, 8)}
                   </TableCell>
                   <TableCell className="text-right font-mono">{formatDecimal(record.priceSnapshot, 8)}</TableCell>
                   <TableCell className="text-sm">{formatDateTime(record.createdAt)}</TableCell>
diff --git a/frontend/mining-admin-web/src/features/users/components/planting-ledger.tsx b/frontend/mining-admin-web/src/features/users/components/planting-ledger.tsx
index 899f5834..a517cf4e 100644
--- a/frontend/mining-admin-web/src/features/users/components/planting-ledger.tsx
+++ b/frontend/mining-admin-web/src/features/users/components/planting-ledger.tsx
@@ -107,7 +107,7 @@ export function PlantingLedger({ accountSequence }: PlantingLedgerProps) {
             </div>
             <div className="text-center p-4 bg-muted rounded-lg">
               <p className="text-sm text-muted-foreground">总金额</p>
-              <p className="text-2xl font-bold text-primary">{formatDecimal(data.summary.totalAmount, 2)}</p>
+              <p className="text-2xl font-bold text-primary">{formatDecimal(data.summary.totalAmount, 8)}</p>
             </div>
             <div className="text-center p-4 bg-muted rounded-lg">
               <p className="text-sm text-muted-foreground">有效认种量</p>
@@ -159,28 +159,28 @@ export function PlantingLedger({ accountSequence }: PlantingLedgerProps) {
                   <TableRow key={item.id || item.orderId}>
                     <TableCell className="font-mono text-sm">{item.originalAdoptionId || item.orderNo}</TableCell>
                     <TableCell className="text-right font-mono">{formatNumber(item.treeCount)}</TableCell>
-                    <TableCell className="text-right font-mono">{formatDecimal(item.contributionPerTree || '0', 4)}</TableCell>
-                    <TableCell className="text-right font-mono">{formatDecimal(item.totalContribution || item.totalAmount || '0', 4)}</TableCell>
+                    <TableCell className="text-right font-mono">{formatDecimal(item.contributionPerTree || '0', 8)}</TableCell>
+                    <TableCell className="text-right font-mono">{formatDecimal(item.totalContribution || item.totalAmount || '0', 8)}</TableCell>
                     <TableCell>
                       {item.distribution ? (
                         <div className="text-xs space-y-0.5">
                           <div className="text-green-600">
-                            ①{(item.distribution.personal.rate * 100).toFixed(0)}%（{formatDecimal(item.distribution.personal.amount, 2)}）{item.distribution.personal.label}
+                            ①{(item.distribution.personal.rate * 100).toFixed(0)}%（{formatDecimal(item.distribution.personal.amount, 8)}）{item.distribution.personal.label}
                           </div>
                           <div className="text-blue-600">
-                            ②{(item.distribution.operation.rate * 100).toFixed(0)}%（{formatDecimal(item.distribution.operation.amount, 2)}）{item.distribution.operation.label}
+                            ②{(item.distribution.operation.rate * 100).toFixed(0)}%（{formatDecimal(item.distribution.operation.amount, 8)}）{item.distribution.operation.label}
                           </div>
                           <div className="text-blue-600">
-                            ③{(item.distribution.province.rate * 100).toFixed(0)}%（{formatDecimal(item.distribution.province.amount, 2)}）{item.distribution.province.label}
+                            ③{(item.distribution.province.rate * 100).toFixed(0)}%（{formatDecimal(item.distribution.province.amount, 8)}）{item.distribution.province.label}
                           </div>
                           <div className="text-blue-600">
-                            ④{(item.distribution.city.rate * 100).toFixed(0)}%（{formatDecimal(item.distribution.city.amount, 2)}）{item.distribution.city.label}
+                            ④{(item.distribution.city.rate * 100).toFixed(0)}%（{formatDecimal(item.distribution.city.amount, 8)}）{item.distribution.city.label}
                           </div>
                           <div className="text-orange-600">
-                            ⑤{(item.distribution.team.rate * 100).toFixed(0)}%（{formatDecimal(item.distribution.team.amount, 2)}）{item.distribution.team.label}
+                            ⑤{(item.distribution.team.rate * 100).toFixed(0)}%（{formatDecimal(item.distribution.team.amount, 8)}）{item.distribution.team.label}
                             {item.distribution.team.distributed && (
                               <span className="text-muted-foreground ml-1">
-                                [已分配:{formatDecimal(item.distribution.team.distributed, 2)} / 待分配:{formatDecimal(item.distribution.team.unallocated, 2)}]
+                                [已分配:{formatDecimal(item.distribution.team.distributed, 8)} / 待分配:{formatDecimal(item.distribution.team.unallocated, 8)}]
                               </span>
                             )}
                           </div>
diff --git a/frontend/mining-admin-web/src/features/users/components/trade-orders-list.tsx b/frontend/mining-admin-web/src/features/users/components/trade-orders-list.tsx
index 1b5d6719..82cee8d2 100644
--- a/frontend/mining-admin-web/src/features/users/components/trade-orders-list.tsx
+++ b/frontend/mining-admin-web/src/features/users/components/trade-orders-list.tsx
@@ -80,8 +80,8 @@ export function TradeOrdersList({ accountSequence }: TradeOrdersListProps) {
                       </span>
                     </TableCell>
                     <TableCell className="text-right font-mono">{formatDecimal(order.price, 8)}</TableCell>
-                    <TableCell className="text-right font-mono">{formatDecimal(order.quantity, 4)}</TableCell>
-                    <TableCell className="text-right font-mono">{formatDecimal(order.filledQuantity, 4)}</TableCell>
+                    <TableCell className="text-right font-mono">{formatDecimal(order.quantity, 8)}</TableCell>
+                    <TableCell className="text-right font-mono">{formatDecimal(order.filledQuantity, 8)}</TableCell>
                     <TableCell className="text-sm">{formatDateTime(order.createdAt)}</TableCell>
                   </TableRow>
                 );
diff --git a/frontend/mining-admin-web/src/features/users/components/wallet-ledger.tsx b/frontend/mining-admin-web/src/features/users/components/wallet-ledger.tsx
index 96ff8c9f..6e691b01 100644
--- a/frontend/mining-admin-web/src/features/users/components/wallet-ledger.tsx
+++ b/frontend/mining-admin-web/src/features/users/components/wallet-ledger.tsx
@@ -111,37 +111,37 @@ export function WalletLedger({ accountSequence }: WalletLedgerProps) {
             <div className="text-center p-4 bg-muted rounded-lg">
               <p className="text-sm text-muted-foreground">绿积分 可用</p>
               <p className="text-2xl font-bold text-green-600 font-mono">
-                {formatDecimal(data.summary.usdtAvailable, 4)}
+                {formatDecimal(data.summary.usdtAvailable, 8)}
               </p>
             </div>
             <div className="text-center p-4 bg-muted rounded-lg">
               <p className="text-sm text-muted-foreground">绿积分 冻结</p>
               <p className="text-2xl font-bold text-orange-600 font-mono">
-                {formatDecimal(data.summary.usdtFrozen, 4)}
+                {formatDecimal(data.summary.usdtFrozen, 8)}
               </p>
             </div>
             <div className="text-center p-4 bg-muted rounded-lg">
               <p className="text-sm text-muted-foreground">待领取收益</p>
               <p className="text-2xl font-bold text-yellow-600 font-mono">
-                {formatDecimal(data.summary.pendingUsdt, 4)}
+                {formatDecimal(data.summary.pendingUsdt, 8)}
               </p>
             </div>
             <div className="text-center p-4 bg-muted rounded-lg">
               <p className="text-sm text-muted-foreground">可结算收益</p>
               <p className="text-2xl font-bold text-blue-600 font-mono">
-                {formatDecimal(data.summary.settleableUsdt, 4)}
+                {formatDecimal(data.summary.settleableUsdt, 8)}
               </p>
             </div>
             <div className="text-center p-4 bg-muted rounded-lg">
               <p className="text-sm text-muted-foreground">已结算收益</p>
               <p className="text-2xl font-bold text-primary font-mono">
-                {formatDecimal(data.summary.settledTotalUsdt, 4)}
+                {formatDecimal(data.summary.settledTotalUsdt, 8)}
               </p>
             </div>
             <div className="text-center p-4 bg-muted rounded-lg">
               <p className="text-sm text-muted-foreground">过期收益</p>
               <p className="text-2xl font-bold text-muted-foreground font-mono">
-                {formatDecimal(data.summary.expiredTotalUsdt, 4)}
+                {formatDecimal(data.summary.expiredTotalUsdt, 8)}
               </p>
             </div>
           </div>
@@ -201,11 +201,11 @@ export function WalletLedger({ accountSequence }: WalletLedgerProps) {
                               <TrendingDown className="h-3 w-3" />
                             )}
                             {isPositive ? '+' : ''}
-                            {formatDecimal(item.amount, 4)}
+                            {formatDecimal(item.amount, 8)}
                           </span>
                         </TableCell>
                         <TableCell className="text-right font-mono text-sm">
-                          {formatDecimal(item.balanceAfter, 4)}
+                          {formatDecimal(item.balanceAfter, 8)}
                         </TableCell>
                         <TableCell className="font-mono text-xs text-muted-foreground max-w-[120px] truncate">
                           {item.refOrderId || item.refTxHash || '-'}
diff --git a/frontend/mining-admin-web/src/lib/utils/format.ts b/frontend/mining-admin-web/src/lib/utils/format.ts
index 9be81417..20c0b8a4 100644
--- a/frontend/mining-admin-web/src/lib/utils/format.ts
+++ b/frontend/mining-admin-web/src/lib/utils/format.ts
@@ -1,6 +1,6 @@
 import Decimal from 'decimal.js';
 
-export function formatNumber(value: number | string | undefined | null, decimals = 0): string {
+export function formatNumber(value: number | string | undefined | null, decimals = 8): string {
   if (value === undefined || value === null) return '-';
   const num = typeof value === 'string' ? parseFloat(value) : value;
   if (isNaN(num)) return '-';
@@ -21,7 +21,7 @@ export function formatDecimal(value: string | number | undefined | null, precisi
   }
 }
 
-export function formatPercent(value: number | string | undefined | null, decimals = 2): string {
+export function formatPercent(value: number | string | undefined | null, decimals = 8): string {
   if (value === undefined || value === null) return '-';
   const num = typeof value === 'string' ? parseFloat(value) : value;
   if (isNaN(num)) return '-';
@@ -33,10 +33,10 @@ export function formatCompactNumber(value: number | string | undefined | null):
   const num = typeof value === 'string' ? parseFloat(value) : value;
   if (isNaN(num)) return '-';
 
-  if (num >= 1e12) return `${(num / 1e12).toFixed(2)}万亿`;
-  if (num >= 1e8) return `${(num / 1e8).toFixed(2)}亿`;
-  if (num >= 1e4) return `${(num / 1e4).toFixed(2)}万`;
-  return formatNumber(num);
+  if (num >= 1e12) return `${(num / 1e12).toFixed(8)}万亿`;
+  if (num >= 1e8) return `${(num / 1e8).toFixed(8)}亿`;
+  if (num >= 1e4) return `${(num / 1e4).toFixed(8)}万`;
+  return formatNumber(num, 8);
 }
 
 export function formatPrice(value: string | number | undefined | null): string {
@@ -44,5 +44,5 @@ export function formatPrice(value: string | number | undefined | null): string {
 }
 
 export function formatShareAmount(value: string | number | undefined | null): string {
-  return formatDecimal(value, 4);
+  return formatDecimal(value, 8);
 }