Reduce the request frequency to the Binance API and add backend caching.

web/src/App.tsx

@@ -42,9 +42,9 @@ function App() {
       : null,
     () => api.getStatus(selectedTraderId),
     {
-      refreshInterval: 5000,
-      revalidateOnFocus: true,
-      dedupingInterval: 0,
+      refreshInterval: 15000, // 15秒刷新（配合后端15秒缓存）
+      revalidateOnFocus: false, // 禁用聚焦时重新验证，减少请求
+      dedupingInterval: 10000, // 10秒去重，防止短时间内重复请求
     }
   );
 
@@ -54,9 +54,9 @@ function App() {
       : null,
     () => api.getAccount(selectedTraderId),
     {
-      refreshInterval: 5000,
-      revalidateOnFocus: true,
-      dedupingInterval: 0,
+      refreshInterval: 15000, // 15秒刷新（配合后端15秒缓存）
+      revalidateOnFocus: false, // 禁用聚焦时重新验证，减少请求
+      dedupingInterval: 10000, // 10秒去重，防止短时间内重复请求
     }
   );
 
@@ -66,9 +66,9 @@ function App() {
       : null,
     () => api.getPositions(selectedTraderId),
     {
-      refreshInterval: 5000,
-      revalidateOnFocus: true,
-      dedupingInterval: 0,
+      refreshInterval: 15000, // 15秒刷新（配合后端15秒缓存）
+      revalidateOnFocus: false, // 禁用聚焦时重新验证，减少请求
+      dedupingInterval: 10000, // 10秒去重，防止短时间内重复请求
     }
   );
 
@@ -77,7 +77,11 @@ function App() {
       ? `decisions/latest-${selectedTraderId}`
       : null,
     () => api.getLatestDecisions(selectedTraderId),
-    { refreshInterval: 10000 }
+    {
+      refreshInterval: 30000, // 30秒刷新（决策更新频率较低）
+      revalidateOnFocus: false,
+      dedupingInterval: 20000,
+    }
   );
 
   const { data: stats } = useSWR<Statistics>(
@@ -85,7 +89,11 @@ function App() {
       ? `statistics-${selectedTraderId}`
       : null,
     () => api.getStatistics(selectedTraderId),
-    { refreshInterval: 10000 }
+    {
+      refreshInterval: 30000, // 30秒刷新（统计数据更新频率较低）
+      revalidateOnFocus: false,
+      dedupingInterval: 20000,
+    }
   );
 
   useEffect(() => {

web/src/components/AILearning.tsx

@@ -50,7 +50,11 @@ export default function AILearning({ traderId }: AILearningProps) {
   const { data: performance, error } = useSWR<PerformanceAnalysis>(
     traderId ? `performance-${traderId}` : 'performance',
     () => api.getPerformance(traderId),
-    { refreshInterval: 10000 }
+    {
+      refreshInterval: 30000, // 30秒刷新（AI学习分析数据更新频率较低）
+      revalidateOnFocus: false,
+      dedupingInterval: 20000,
+    }
   );
 
   if (error) {

web/src/components/ComparisonChart.tsx

@@ -33,8 +33,9 @@ export function ComparisonChart({ traders }: ComparisonChartProps) {
       return Promise.all(promises);
     },
     {
-      refreshInterval: 10000,
+      refreshInterval: 30000, // 30秒刷新（对比图表数据更新频率较低）
       revalidateOnFocus: false,
+      dedupingInterval: 20000,
     }
   );
 

web/src/components/CompetitionPage.tsx

@@ -11,8 +11,9 @@ export function CompetitionPage() {
     'competition',
     api.getCompetition,
     {
-      refreshInterval: 5000,
-      revalidateOnFocus: true,
+      refreshInterval: 15000, // 15秒刷新（竞赛数据不需要太频繁更新）
+      revalidateOnFocus: false,
+      dedupingInterval: 10000,
     }
   );
 

web/src/components/EquityChart.tsx

@@ -34,7 +34,9 @@ export function EquityChart({ traderId }: EquityChartProps) {
     traderId ? `equity-history-${traderId}` : 'equity-history',
     () => api.getEquityHistory(traderId),
     {
-      refreshInterval: 10000, // 每10秒刷新
+      refreshInterval: 30000, // 30秒刷新（历史数据更新频率较低）
+      revalidateOnFocus: false,
+      dedupingInterval: 20000,
     }
   );
 
@@ -42,7 +44,9 @@ export function EquityChart({ traderId }: EquityChartProps) {
     traderId ? `account-${traderId}` : 'account',
     () => api.getAccount(traderId),
     {
-      refreshInterval: 5000,
+      refreshInterval: 15000, // 15秒刷新（配合后端缓存）
+      revalidateOnFocus: false,
+      dedupingInterval: 10000,
     }
   );