diff --git a/frontend/app/paper/page.tsx b/frontend/app/paper/page.tsx
index cb01b0b..c7b6a14 100644
--- a/frontend/app/paper/page.tsx
+++ b/frontend/app/paper/page.tsx
@@ -213,7 +213,10 @@ function ActivePositions() {
           const entry = p.entry_price || 0;
           const atr = p.atr_at_entry || 1;
           const riskDist = 2.0 * 0.7 * atr;
-          const unrealR = riskDist > 0 ? (p.direction === "LONG" ? (currentPrice - entry) / riskDist : (entry - currentPrice) / riskDist) : 0;
+          // TP1触发后只剩半仓：0.5×TP1锁定 + 0.5×当前浮盈
+          const fullR = riskDist > 0 ? (p.direction === "LONG" ? (currentPrice - entry) / riskDist : (entry - currentPrice) / riskDist) : 0;
+          const tp1R = riskDist > 0 ? (p.direction === "LONG" ? ((p.tp1_price || 0) - entry) / riskDist : (entry - (p.tp1_price || 0)) / riskDist) : 0;
+          const unrealR = p.tp1_hit ? 0.5 * tp1R + 0.5 * fullR : fullR;
           const unrealUsdt = unrealR * 200;
           return (
             <div key={p.id} className="px-3 py-2">