diff --git a/frontend/app/kline/page.tsx b/frontend/app/kline/page.tsx
index cdafdcd..b5b7d68 100644
--- a/frontend/app/kline/page.tsx
+++ b/frontend/app/kline/page.tsx
@@ -118,7 +118,7 @@ function KChart({
 }
 
 export default function KlinePage() {
-  const [symbol, setSymbol] = useState<"BTC" | "ETH">("BTC");
+  const [symbol, setSymbol] = useState<"BTC" | "ETH" | "XRP" | "SOL">("BTC");
   const [rateInterval, setRateInterval] = useState("1h");
   const [priceInterval, setPriceInterval] = useState("1h");
 
@@ -128,7 +128,7 @@ export default function KlinePage() {
       <div className="flex items-center justify-between flex-wrap gap-3">
         <h1 className="text-2xl font-bold text-slate-900">费率 K 线</h1>
         <div className="flex gap-2 text-sm">
-          {(["BTC", "ETH"] as const).map(s => (
+          {(["BTC", "ETH", "XRP", "SOL"] as const).map(s => (
             <button key={s} onClick={() => setSymbol(s)}
               className={`px-4 py-1.5 rounded-lg border font-medium transition-colors ${symbol === s ? "bg-blue-600 text-white border-blue-600" : "border-slate-200 text-slate-600 hover:border-blue-400"}`}>
               {s}
diff --git a/frontend/app/trades/page.tsx b/frontend/app/trades/page.tsx
index 8a55aa6..200cfd7 100644
--- a/frontend/app/trades/page.tsx
+++ b/frontend/app/trades/page.tsx
@@ -29,7 +29,7 @@ interface SummaryBar {
   max_qty: number;
 }
 
-type Symbol = "BTC" | "ETH";
+type Symbol = "BTC" | "ETH" | "XRP" | "SOL";
 type Interval = "1m" | "5m" | "15m" | "1h";
 
 const INTERVALS: { label: string; value: Interval }[] = [
@@ -231,7 +231,7 @@ function FlowAnalysis({ symbol }: { symbol: Symbol }) {
                 </span>
                 （每{interval}聚合一根，每30秒刷新）
               </p>
-              <p className="text-xs text-slate-400">单位：{symbol === "BTC" ? "BTC" : "ETH"}</p>
+              <p className="text-xs text-slate-400">单位：{symbol}</p>
             </div>
             <div className="grid grid-cols-2 md:grid-cols-4 gap-2">
               <div className="bg-slate-50 rounded-lg p-3">
@@ -353,7 +353,7 @@ export default function TradesPage() {
           <p className="text-slate-500 text-xs mt-0.5">实时成交记录 + 买卖 Delta 分析</p>
         </div>
         <div className="flex gap-1.5">
-          {(["BTC", "ETH"] as Symbol[]).map(s => (
+          {(["BTC", "ETH", "XRP", "SOL"] as Symbol[]).map(s => (
             <button key={s} onClick={() => setSymbol(s)}
               className={`px-4 py-1.5 rounded-lg border text-sm font-medium transition-colors ${symbol === s ? "bg-blue-600 text-white border-blue-600" : "border-slate-200 text-slate-600 hover:border-blue-400"}`}>
               {s}