diff --git a/lib/options/options_register.py b/lib/options/options_register.py
index 6f3c54f..87d0060 100644
--- a/lib/options/options_register.py
+++ b/lib/options/options_register.py
@@ -1846,32 +1846,24 @@ def register_options_routes(app: Flask, cfg: dict[str, Any]) -> None:
         except Exception:
             index_px = None
         stats = compute_options_stats_from_history(history, index_px=index_px)
+        # sum_options_net_pnl_usdc 已按指数折 U;勿再 × 指数(否则顶栏会变成上万假亏)
         open_float = sum_options_net_pnl_usdc(cfg, ex, raw_live)
-        # 币本位浮盈为币数量,折算为 U 再与已平合计
-        if open_float is not None and str(stats.get("pnl_unit") or "") == "U":
-            px = index_px
-            if px is None or px <= 0:
-                for h in history:
-                    try:
-                        px = float(h.get("idx_px") or 0)
-                    except (TypeError, ValueError):
-                        px = 0
-                    if px > 0:
-                        break
-            if px and px > 0:
-                open_float = round(float(open_float) * float(px), 4)
         net_realized = _safe_float(stats.get("net_realized_pnl")) or 0.0
         total_pnl = None
         if open_float is not None:
             total_pnl = round(net_realized + float(open_float), 4)
         elif stats.get("total_closed"):
             total_pnl = round(net_realized, 4)
+        from lib.options.options_margin_mode_lib import is_coin_margin_mode
+
+        pnl_unit = "U" if is_coin_margin_mode() else str(stats.get("pnl_unit") or "USDC")
         return jsonify(
             {
                 "ok": True,
                 **stats,
                 "open_float_pnl": open_float,
                 "total_pnl": total_pnl,
+                "pnl_unit": pnl_unit,
             }
         )
 
diff --git a/manual_trading_hub/static/app.js b/manual_trading_hub/static/app.js
index 1f1420d..8a984d8 100644
--- a/manual_trading_hub/static/app.js
+++ b/manual_trading_hub/static/app.js
@@ -817,7 +817,19 @@
     return `${sign}${fmt(n, 2)}U`;
   }
 
-  /** 中控期权浮盈汇总框:只显示换算后的 U(持仓表净盈亏仍用 fmtOptPnlText 双显). */
+  /** 已是 USDT 的期权浮盈合计(upl_total_usdc),禁止再按币×指数. */
+  function fmtOptFloatUsdt(v) {
+    if (v === null || v === undefined || Number.isNaN(Number(v))) return "—";
+    const n = Number(v);
+    const uAbs = Math.abs(n).toFixed(2);
+    const uSign = n < 0 ? "-" : n > 0 ? "+" : "";
+    return `${uSign}${uAbs}U`;
+  }
+
+  /**
+   * 币数量 → U(仅逐仓净盈亏双显/兜底合计用).
+   * 汇总框勿用:后端 upl_total 已折 U,再乘会变成上万假亏.
+   */
   function fmtOptPnlUsdtOnly(v, ccy, spotPx) {
     if (v === null || v === undefined || Number.isNaN(Number(v))) return "—";
     const n = Number(v);
@@ -3939,6 +3951,7 @@
     const bal =
       opt.balances && typeof opt.balances === "object" ? opt.balances : {};
     const pick = (a, b) => (a != null && a !== "" ? a : b);
+    // upl_total_usdc 实际为已折 USDT 的合计(币本位 × 指数后)
     let upl =
       opt.upl_total_usdc != null && Number.isFinite(Number(opt.upl_total_usdc))
         ? Number(opt.upl_total_usdc)
@@ -3949,10 +3962,16 @@
       let found = false;
       pos.forEach((p) => {
         const n = optionsRowDisplayPnl(p);
-        if (n != null) {
-          sum += n;
-          found = true;
+        if (n == null || !Number.isFinite(Number(n))) return;
+        const ccy = String(optPremiumCcyOf(p) || "").toUpperCase();
+        let uu = Number(n);
+        if (ccy === "ETH" || ccy === "BTC") {
+          const px = spotPxFromOptMeta(opt, p);
+          if (!Number.isFinite(px) || !(px > 0)) return;
+          uu = Number(n) * px;
         }
+        sum += uu;
+        found = true;
       });
       if (found) upl = sum;
     }
@@ -3987,11 +4006,10 @@
         ? `${fmt(fundUsdt, 2)} <small style="font-size:12px;color:var(--muted)">U</small>`
         : "—";
       const tradeTxt = formatCoinTradingLabel(usdt, eth, btc);
-      const pnlCcy = optionsPanelCcy(optMeta);
-      const spotPx = spotPxFromOptMeta(optMeta);
+      // 汇总 upnl 已是 USDT,勿再按 ETH/BTC×指数(否则 -6U 会变成 -1.7万U)
       const pnlTxt = upnl == null || Number.isNaN(Number(upnl))
         ? "—"
-        : `<span class="${pnlCls(upnl)}">${fmtOptPnlUsdtOnly(upnl, pnlCcy, spotPx)}</span>`;
+        : `<span class="${pnlCls(upnl)}">${fmtOptFloatUsdt(upnl)}</span>`;
       return `<div class="${rowCls}">
       <div class="stat-box"><div class="stat-label">资金账户</div><div class="stat-value">${fundTxt}</div></div>
       <div class="stat-box"><div class="stat-label">交易账户</div><div class="stat-value">${tradeTxt}</div></div>
@@ -4671,14 +4689,14 @@
             parts.push(`交易 ${fmt(bal.trading, 2)}U`);
           }
           if (optUpl != null && Number.isFinite(Number(optUpl))) {
-            parts.push(`浮盈 ${fmtOptPnlUsdtOnly(optUpl, optCcy, spotPxFromOptMeta(opt))}`);
+            parts.push(`浮盈 ${fmtOptFloatUsdt(optUpl)}`);
           }
           if (optUpl != null && Number.isFinite(Number(optUpl)) && openCount === 0) {
-            // 永续空仓时主数字优先展示期权浮盈(只显示 U)
+            // 永续空仓时主数字优先展示期权浮盈(已是 U,勿再按币折算)
             pnlShow = optUpl;
             pnlSuffix = "期权";
-            pnlUnit = optCcy;
-            pnlSpotPx = spotPxFromOptMeta(opt);
+            pnlUnit = "USDC";
+            pnlSpotPx = null;
           }
         }
         optLine = parts.join(" · ");