diff --git a/manual_trading_hub/static/archive.js b/manual_trading_hub/static/archive.js
index 68cce59..d6807ab 100644
--- a/manual_trading_hub/static/archive.js
+++ b/manual_trading_hub/static/archive.js
@@ -58,7 +58,7 @@
   let tradingDay = "";
   let selected = null;
   let trades = [];
-  let selectedTradeId = null;
+  let selectedTradeKey = null;
   let timeframe = "15m";
   let chart = null;
   let candleSeries = null;
@@ -229,6 +229,23 @@
     return exKey ? exchangeLabel(exKey) : "—";
   }
 
+  function tradeRowKey(tr) {
+    if (!tr) return "";
+    const exKey = String(tr.exchange_key || "").toLowerCase();
+    const tid = tr.trade_id != null ? tr.trade_id : tr.id;
+    if (!exKey || tid == null || tid === "") return "";
+    return exKey + ":" + String(tid);
+  }
+
+  function findTradeByKey(key) {
+    if (!key) return null;
+    return (
+      dailyTrades.find(function (t) {
+        return tradeRowKey(t) === String(key);
+      }) || null
+    );
+  }
+
   function applyTagSelectStyle(sel) {
     if (!sel) return;
     const v = sel.value || "";
@@ -272,7 +289,7 @@
     });
     if (!tr) return;
     selected = { exchange_key: tr.exchange_key, symbol: tr.symbol };
-    selectedTradeId = String(tr.trade_id || tr.id);
+    selectedTradeKey = tradeRowKey(tr);
     await loadSymbolTradesForChart(tr.exchange_key, tr.symbol);
   }
 
@@ -589,9 +606,9 @@
 
   function pickAnchorTrade() {
     if (!trades.length) return null;
-    if (selectedTradeId != null) {
+    if (selectedTradeKey) {
       const hit = trades.find(function (t) {
-        return String(t.trade_id || t.id) === String(selectedTradeId);
+        return tradeRowKey(t) === selectedTradeKey;
       });
       if (hit) return hit;
     }
@@ -721,10 +738,10 @@
     const multi = sorted.length > 1;
     const out = [];
     sorted.forEach(function (row, idx) {
-      const tid = String(row.trade_id || row.id);
+      const rowKey = tradeRowKey(row);
       const parts = buildTradeMarkers(row, candles, tf, {
         labelSuffix: multi ? String(idx + 1) : "",
-        highlight: tid === String(selectedTradeId),
+        highlight: rowKey === selectedTradeKey,
       });
       out.push.apply(out, parts);
     });
@@ -937,7 +954,7 @@
       return;
     }
     selected = { exchange_key: exKey, symbol: sym };
-    selectedTradeId = String(tr.trade_id || tr.id);
+    selectedTradeKey = tradeRowKey(tr);
     renderTrades();
     setChartOpen(true);
     await loadSymbolTradesForChart(exKey, sym);
@@ -960,14 +977,17 @@
         .map(function (t) {
           const tid = t.trade_id || t.id;
           const exKey = String(t.exchange_key || "").toLowerCase();
+          const rowKey = tradeRowKey(t);
           const tag = t.behavior_tag || "";
           const sick = tag === "sick";
-          const active = String(tid) === String(selectedTradeId) ? " is-active" : "";
+          const active = rowKey && rowKey === selectedTradeKey ? " is-active" : "";
           const rev = reviewMark(t);
           return (
             '<tr class="archive-trade-row' +
             active +
             (sick ? " archive-trade-sick" : "") +
+            '" data-key="' +
+            esc(rowKey) +
             '" data-id="' +
             tid +
             '" data-ex="' +
@@ -1051,13 +1071,11 @@
       btn.addEventListener("click", function (ev) {
         ev.stopPropagation();
         const row = btn.closest(".archive-trade-row");
-        const tid = btn.getAttribute("data-id");
-        const tr = dailyTrades.find(function (t) {
-          return String(t.trade_id || t.id) === String(tid);
-        });
+        const rowKey = row && row.getAttribute("data-key");
+        const tr = findTradeByKey(rowKey);
         if (tr) void openTradeChart(tr);
-        else if (row) {
-          selectedTradeId = tid;
+        else if (rowKey) {
+          selectedTradeKey = rowKey;
           renderTrades();
         }
       });
@@ -1096,7 +1114,8 @@
       setStatus(j.detail || j.msg || "删除失败");
       return;
     }
-    if (String(selectedTradeId) === String(tradeId)) selectedTradeId = null;
+    const deletedKey = String(exchangeKey || "").toLowerCase() + ":" + String(tradeId);
+    if (selectedTradeKey === deletedKey) selectedTradeKey = null;
     await loadDailyTrades();
     setStatus("已移除 1 笔档案记录");
   }
@@ -1106,7 +1125,9 @@
     if (!exKey) return;
     const body = { behavior_tag: tag || "", note: note != null ? note : undefined };
     if (note == null) {
-      const row = elTrades.querySelector('.archive-trade-row[data-id="' + tradeId + '"]');
+      const row = elTrades.querySelector(
+        '.archive-trade-row[data-id="' + tradeId + '"][data-ex="' + exKey + '"]'
+      );
       const inp = row && row.querySelector(".archive-note-input");
       body.note = inp ? inp.value : "";
     }
@@ -1116,7 +1137,10 @@
       body: JSON.stringify(body),
     });
     const tr = dailyTrades.find(function (t) {
-      return String(t.trade_id || t.id) === String(tradeId);
+      return (
+        String(t.trade_id || t.id) === String(tradeId) &&
+        String(t.exchange_key || "").toLowerCase() === String(exKey).toLowerCase()
+      );
     });
     if (tr) {
       tr.behavior_tag = body.behavior_tag;
diff --git a/manual_trading_hub/static/index.html b/manual_trading_hub/static/index.html
index 6a66161..7bd87d5 100644
--- a/manual_trading_hub/static/index.html
+++ b/manual_trading_hub/static/index.html
@@ -584,7 +584,7 @@
   <script src="https://unpkg.com/lightweight-charts@4.2.0/dist/lightweight-charts.standalone.production.js"></script>
   <script src="/assets/chart_draw.js?v=20260609-market-day-split"></script>
   <script src="/assets/chart.js?v=20260609-market-day-split"></script>
-  <script src="/assets/archive.js?v=20260612-archive-chart-row"></script>
+  <script src="/assets/archive.js?v=20260612-trade-row-key"></script>
   <script src="/assets/funds.js?v=20260609-hub-funds-fold"></script>
   <script src="/assets/dashboard.js?v=20260612-dash-monitor-count"></script>
   <script src="/assets/ai_review_render.js?v=3"></script>