diff --git a/app.py b/app.py
index c93572a..b7a8e88 100644
--- a/app.py
+++ b/app.py
@@ -176,6 +176,7 @@ def init_db():
         "ALTER TABLE key_monitors ADD COLUMN market_code TEXT",
         "ALTER TABLE trade_records ADD COLUMN market_code TEXT",
         "ALTER TABLE order_plans ADD COLUMN plan_date TEXT",
+        "ALTER TABLE order_plans ADD COLUMN decision_reason TEXT",
         "ALTER TABLE key_monitors ADD COLUMN status TEXT DEFAULT 'active'",
         "ALTER TABLE key_monitors ADD COLUMN archived_at TEXT",
         "ALTER TABLE review_records ADD COLUMN direction TEXT",
@@ -188,6 +189,9 @@ def init_db():
         "ALTER TABLE review_records ADD COLUMN initial_pnl REAL",
         "ALTER TABLE review_records ADD COLUMN actual_pnl REAL",
         "ALTER TABLE review_records ADD COLUMN is_emotion INTEGER DEFAULT 0",
+        "ALTER TABLE review_records ADD COLUMN symbol_name TEXT",
+        "ALTER TABLE review_records ADD COLUMN market_code TEXT",
+        "ALTER TABLE review_records ADD COLUMN sina_code TEXT",
     ]
     for sql in migrations:
         try:
@@ -321,6 +325,7 @@ def check_order_plans():
         status = r["status"]
         pid = r["id"]
         name = r["symbol_name"] or sym
+        reason = r["decision_reason"] if "decision_reason" in r.keys() and r["decision_reason"] else "—"
 
         # 计划状态：价格进入决策区间则激活并通知
         if status == "planned":
@@ -330,6 +335,7 @@ def check_order_plans():
                     f"【开单计划触发】{name} ({sym})\n"
                     f"方向：{'做多' if direction == 'long' else '做空'}\n"
                     f"决策区间：{zone_lower} ~ {zone_upper}\n"
+                    f"决策理由：{reason}\n"
                     f"当前价：{p}\n"
                     f"止损：{stop_loss}  止盈：{take_profit}"
                 )
@@ -535,13 +541,14 @@ def add_plan():
     conn.execute(
         """INSERT INTO order_plans
            (symbol, symbol_name, market_code, sina_code, direction,
-            zone_upper, zone_lower, stop_loss, take_profit, plan_date)
-           VALUES (?,?,?,?,?,?,?,?,?,?)""",
+            zone_upper, zone_lower, stop_loss, take_profit, plan_date, decision_reason)
+           VALUES (?,?,?,?,?,?,?,?,?,?,?)""",
         (
             symbol, symbol_name, market_code, sina_code, direction,
             float(d["zone_upper"]), float(d["zone_lower"]),
             float(d["stop_loss"]), float(d["take_profit"]),
             today_str(),
+            d.get("decision_reason", "").strip(),
         ),
     )
     conn.commit()
@@ -671,6 +678,14 @@ def add_review():
         flash("请选择离场触发")
         return redirect(url_for("records"))
 
+    symbol = d.get("symbol", "").strip()
+    symbol_name = d.get("symbol_name", "").strip()
+    market_code = d.get("market_code", "").strip()
+    sina_code = d.get("sina_code", "").strip()
+    if not symbol or not market_code:
+        flash("请从下拉列表选择品种（同花顺合约代码）")
+        return redirect(url_for("records"))
+
     screenshot = ""
     f = request.files.get("screenshot")
     if f and f.filename:
@@ -705,7 +720,7 @@ def add_review():
     if auto_kline and not screenshot:
         try:
             generated = generate_review_kline_chart(
-                symbol=d.get("symbol", "").strip(),
+                symbol=symbol,
                 periods=[d.get("kline_period1", "15m"), d.get("kline_period2", "1h")],
                 count=int(d.get("kline_count") or 300),
                 cutoff_label=d.get("kline_cutoff", "平仓时间"),
@@ -725,17 +740,18 @@ def add_review():
     conn = get_db()
     conn.execute(
         """INSERT INTO review_records
-           (open_time, close_time, symbol, timeframe, direction,
+           (open_time, close_time, symbol, symbol_name, market_code, sina_code,
+            timeframe, direction,
             entry_price, stop_loss, take_profit, close_price, lots,
             holding_duration, initial_pnl, actual_pnl, pnl,
             open_type, expected_rr, actual_rr, exit_trigger, exit_supplement,
             watch_after_breakeven, new_position_while_occupied, screenshot,
             auto_kline, kline_period1, kline_period2, kline_count, kline_cutoff,
             behavior_tags, is_emotion, notes)
-           VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)""",
+           VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)""",
         (
             open_time, close_time,
-            d.get("symbol", "").strip(),
+            symbol, symbol_name, market_code, sina_code,
             d.get("timeframe", "").strip(),
             direction,
             entry_price, stop_loss, take_profit, close_price, lots,
diff --git a/static/js/symbol.js b/static/js/symbol.js
index 100bded..3919478 100644
--- a/static/js/symbol.js
+++ b/static/js/symbol.js
@@ -1,4 +1,14 @@
 (function () {
+    function formatSub(item) {
+        return '同花顺 ' + item.ths_code +
+            (item.market_code ? ' · ' + item.market_code : '') +
+            ' · ' + (item.exchange || '');
+    }
+
+    function formatInputLabel(item) {
+        return item.input_label || (item.name + ' ' + item.ths_code);
+    }
+
     function initSymbolInput(wrapper) {
         const input = wrapper.querySelector('.symbol-input');
         const hiddenThs = wrapper.querySelector('input[name="symbol"]');
@@ -8,19 +18,21 @@
         const dropdown = wrapper.querySelector('.symbol-dropdown');
         const selectedEl = wrapper.querySelector('.symbol-selected');
         let timer = null;
+        let abortCtrl = null;
+        const cache = new Map();
 
         function hideDropdown() {
             dropdown.classList.remove('show');
         }
 
         function selectItem(item) {
-            input.value = item.name;
+            const label = formatInputLabel(item);
+            input.value = label;
             hiddenThs.value = item.ths_code;
             hiddenName.value = item.name;
             if (hiddenMarket) hiddenMarket.value = item.market_code || '';
             if (hiddenSina) hiddenSina.value = item.sina_code || '';
-            selectedEl.textContent = '同花顺: ' + item.ths_code +
-                (item.market_code ? ' (' + item.market_code + ')' : '');
+            selectedEl.textContent = formatSub(item);
             hideDropdown();
         }
 
@@ -33,9 +45,7 @@
                     const div = document.createElement('div');
                     div.className = 'symbol-option';
                     div.innerHTML = item.display +
-                        '<div class="sub">同花顺 ' + item.ths_code +
-                        (item.market_code ? ' · ' + item.market_code : '') +
-                        ' · ' + item.exchange + '</div>';
+                        '<div class="sub">' + formatSub(item) + '</div>';
                     div.addEventListener('mousedown', function (e) {
                         e.preventDefault();
                         selectItem(item);
@@ -46,6 +56,29 @@
             dropdown.classList.add('show');
         }
 
+        function search(q) {
+            if (cache.has(q)) {
+                renderItems(cache.get(q));
+                return;
+            }
+            if (abortCtrl) {
+                abortCtrl.abort();
+            }
+            abortCtrl = new AbortController();
+            fetch('/api/symbols/search?q=' + encodeURIComponent(q), {
+                signal: abortCtrl.signal,
+            })
+                .then(function (r) { return r.json(); })
+                .then(function (items) {
+                    cache.set(q, items);
+                    renderItems(items);
+                })
+                .catch(function (err) {
+                    if (err && err.name === 'AbortError') return;
+                    hideDropdown();
+                });
+        }
+
         input.addEventListener('input', function () {
             hiddenThs.value = '';
             hiddenName.value = '';
@@ -59,11 +92,8 @@
             }
             clearTimeout(timer);
             timer = setTimeout(function () {
-                fetch('/api/symbols/search?q=' + encodeURIComponent(q))
-                    .then(function (r) { return r.json(); })
-                    .then(renderItems)
-                    .catch(function () { hideDropdown(); });
-            }, 300);
+                search(q);
+            }, 120);
         });
 
         input.addEventListener('blur', function () {
@@ -73,9 +103,7 @@
         input.addEventListener('focus', function () {
             const q = input.value.trim();
             if (q && !hiddenThs.value) {
-                fetch('/api/symbols/search?q=' + encodeURIComponent(q))
-                    .then(function (r) { return r.json(); })
-                    .then(renderItems);
+                search(q);
             }
         });
     }
diff --git a/symbols.py b/symbols.py
index 96ca2d7..a8a19b8 100644
--- a/symbols.py
+++ b/symbols.py
@@ -3,7 +3,9 @@
 展示同花顺合约代码（ag2608）；行情默认新浪，机构用户可通过环境变量启用同花顺 iFinD。
 """
 import re
+import threading
 import time
+from concurrent.futures import ThreadPoolExecutor, as_completed
 from datetime import date
 from typing import Optional
 
@@ -64,6 +66,9 @@ PRODUCTS = [
 
 _MAIN_CACHE: dict[str, tuple[float, dict]] = {}
 _CACHE_TTL = 300
+_main_index_lock = threading.Lock()
+_main_index: dict[str, dict] = {}
+_main_index_ts = 0.0
 
 
 def build_ths_code(product: dict, year: int, month: int) -> str:
@@ -164,14 +169,16 @@ def ths_to_sina_code(ths_code: str) -> Optional[str]:
 
 def _make_symbol_item(product: dict, year: int, month: int, volume: float) -> dict:
     ths = build_ths_code(product, year, month)
+    name = product["name"]
     return {
-        "name": product["name"],
+        "name": name,
         "ths_code": ths,
         "market_code": build_ths_full_code(product, year, month),
         "sina_code": build_sina_code(product, year, month),
         "exchange": product["exchange"],
         "contract": f"主力 {ths}",
-        "display": f"{product['name']} 主力 {ths}",
+        "display": f"{name} 主力 {ths}",
+        "input_label": f"{name} {ths}",
         "volume": volume,
     }
 
@@ -218,6 +225,7 @@ def resolve_main_contract(product: dict) -> Optional[dict]:
                 "exchange": product["exchange"],
                 "contract": f"主力连续 {ths_main}",
                 "display": f"{product['name']} 主力连续 {ths_main}",
+                "input_label": f"{product['name']} {ths_main}",
                 "volume": raw.get("volume", 0),
             }
 
@@ -226,26 +234,110 @@ def resolve_main_contract(product: dict) -> Optional[dict]:
     return best
 
 
+def _enrich_item(item: dict) -> dict:
+    out = dict(item)
+    if not out.get("input_label"):
+        out["input_label"] = f"{out.get('name', '')} {out.get('ths_code', '')}".strip()
+    return out
+
+
+def refresh_main_index():
+    """后台预热全部品种主力合约，搜索时只读本地缓存。"""
+    global _main_index, _main_index_ts
+    new_idx: dict[str, dict] = {}
+    with ThreadPoolExecutor(max_workers=10) as pool:
+        futures = {pool.submit(resolve_main_contract, p): p for p in PRODUCTS}
+        for fut in as_completed(futures):
+            product = futures[fut]
+            try:
+                main = fut.result()
+                if main:
+                    new_idx[product["sina"]] = _enrich_item(main)
+            except Exception:
+                pass
+    with _main_index_lock:
+        _main_index = new_idx
+        _main_index_ts = time.time()
+
+
+def _warm_loop():
+    while True:
+        try:
+            refresh_main_index()
+        except Exception:
+            pass
+        time.sleep(_CACHE_TTL)
+
+
+def _start_warm_thread():
+    threading.Thread(target=_warm_loop, daemon=True).start()
+
+
+def _stub_main_contract(product: dict) -> dict:
+    """缓存未就绪时的快速占位（当月合约），避免首次打开搜索为空。"""
+    today = date.today()
+    return _enrich_item(_make_symbol_item(product, today.year, today.month, 0))
+
+
+def _product_matches(product: dict, q_lower: str) -> bool:
+    name_lower = product["name"].lower()
+    if q_lower in name_lower:
+        return True
+    if len(q_lower) >= 2:
+        ths_lower = product["ths"].lower()
+        sina_lower = product["sina"].lower()
+        if q_lower in ths_lower or q_lower in sina_lower:
+            return True
+    return False
+
+
+def _match_score(product: dict, q_lower: str) -> int:
+    name_lower = product["name"].lower()
+    if name_lower == q_lower:
+        return 200
+    if name_lower.startswith(q_lower):
+        return 150
+    if q_lower in name_lower:
+        return 100
+    ths_lower = product["ths"].lower()
+    if ths_lower == q_lower:
+        return 90
+    if ths_lower.startswith(q_lower):
+        return 70
+    if product["sina"].lower() == q_lower:
+        return 80
+    return 10
+
+
 def search_symbols(query: str) -> list:
-    q = query.strip().lower()
+    q = query.strip()
     if not q:
         return []
 
-    results = []
+    q_lower = q.lower()
+    with _main_index_lock:
+        index = dict(_main_index)
+    index_ready = bool(index)
+
+    scored: list[tuple[int, dict]] = []
     for p in PRODUCTS:
-        name = p["name"]
-        if q not in name.lower() and q not in p["ths"].lower() and q not in p["sina"].lower():
+        if not _product_matches(p, q_lower):
             continue
-        main = resolve_main_contract(p)
+        main = index.get(p["sina"])
+        if not main and not index_ready:
+            main = _stub_main_contract(p)
         if main:
-            results.append(main)
+            scored.append((_match_score(p, q_lower), main))
+
+    scored.sort(key=lambda x: -x[0])
+    results = [item for _, item in scored[:12]]
 
     if not results and len(q) >= 3:
-        codes = ths_to_codes(query.strip())
+        codes = ths_to_codes(q)
         if codes:
             raw = fetch_raw_for_volume(codes["sina_code"])
-            name = raw["name"] if raw else query.strip()
-            results.append({
+            name = raw["name"] if raw else q
+            results.append(_enrich_item({
                 "name": name,
                 "ths_code": codes["ths_code"],
                 "market_code": codes["market_code"],
@@ -254,9 +346,12 @@ def search_symbols(query: str) -> list:
                 "contract": codes["ths_code"],
                 "display": f"{name} ({codes['ths_code']})",
                 "volume": raw.get("volume", 0) if raw else 0,
-            })
+            }))
 
-    return results[:12]
+    return results
+
+
+_start_warm_thread()
 
 
 def get_price(market_code: str, sina_code: str = "") -> Optional[float]:
diff --git a/templates/plans.html b/templates/plans.html
index f4fcb6b..e210203 100644
--- a/templates/plans.html
+++ b/templates/plans.html
@@ -10,7 +10,7 @@
             <form action="{{ url_for('add_plan') }}" method="post" class="form-compact">
                 <div class="form-line line-3">
                     <div class="symbol-wrap">
-                        <input type="text" class="symbol-input" placeholder="中文名或同花顺代码" autocomplete="off" required>
+                        <input type="text" class="symbol-input" placeholder="品种" autocomplete="off" required>
                         <input type="hidden" name="symbol" required>
                         <input type="hidden" name="symbol_name">
                         <input type="hidden" name="market_code" required>
@@ -23,10 +23,11 @@
                         <option value="long">做多</option>
                         <option value="short">做空</option>
                     </select>
-                    <input name="zone_lower" type="number" step="0.0001" placeholder="区间下限" required>
+                    <input name="decision_reason" type="text" placeholder="决策理由">
                 </div>
-                <div class="form-line line-3">
-                    <input name="zone_upper" type="number" step="0.0001" placeholder="区间上限" required>
+                <div class="form-line line-4">
+                    <input name="zone_lower" type="number" step="0.0001" placeholder="决策区间下限" required>
+                    <input name="zone_upper" type="number" step="0.0001" placeholder="决策区间上限" required>
                     <input name="stop_loss" type="number" step="0.0001" placeholder="止损" required>
                     <input name="take_profit" type="number" step="0.0001" placeholder="止盈" required>
                 </div>
@@ -44,7 +45,11 @@
                         {% if p.status == 'planned' %}<span class="badge planned">待触发</span>
                         {% else %}<span class="badge active">已激活</span>{% endif %}
                     </div>
-                    <div>{{ p.zone_lower }}~{{ p.zone_upper }} 损{{ p.stop_loss }} 盈{{ p.take_profit }}</div>
+                    <div>
+                        区间{{ p.zone_lower }}~{{ p.zone_upper }}
+                        {% if p.decision_reason %} · {{ p.decision_reason }}{% endif %}
+                        · 损{{ p.stop_loss }} 盈{{ p.take_profit }}
+                    </div>
                     <a href="{{ url_for('del_plan', pid=p.id) }}" class="btn-del" onclick="return confirm('删除？')">删</a>
                 </div>
                 {% else %}
@@ -65,7 +70,7 @@
             </form>
             <div class="card-scroll">
                 <table>
-                    <thead><tr><th>日期</th><th>品种</th><th>方向</th><th>区间</th><th>状态</th></tr></thead>
+                    <thead><tr><th>日期</th><th>品种</th><th>方向</th><th>决策区间</th><th>决策理由</th><th>状态</th></tr></thead>
                     <tbody>
                         {% for p in history %}
                         <tr>
@@ -73,6 +78,7 @@
                             <td>{{ p.symbol_name or p.symbol }}</td>
                             <td><span class="badge dir">{{ '多' if p.direction == 'long' else '空' }}</span></td>
                             <td>{{ p.zone_lower }}~{{ p.zone_upper }}</td>
+                            <td>{{ p.decision_reason or '—' }}</td>
                             <td>
                                 {% if p.status == 'closed' %}<span class="badge profit">完成</span>
                                 {% elif p.status == 'expired' %}<span class="badge expired">失效</span>
@@ -80,7 +86,7 @@
                             </td>
                         </tr>
                         {% else %}
-                        <tr><td colspan="5" class="text-muted">暂无历史</td></tr>
+                        <tr><td colspan="6" class="text-muted">暂无历史</td></tr>
                         {% endfor %}
                     </tbody>
                 </table>
diff --git a/templates/records.html b/templates/records.html
index 325b26f..9001793 100644
--- a/templates/records.html
+++ b/templates/records.html
@@ -7,7 +7,15 @@
         <div class="card-body">
             <form id="review-form" action="{{ url_for('add_review') }}" method="post" enctype="multipart/form-data" class="form-compact form-compact-review line-tight">
                 <div class="form-line line-4">
-                    <input name="symbol" placeholder="品种 ag2608" required>
+                    <div class="symbol-wrap">
+                        <input type="text" class="symbol-input" placeholder="品种" autocomplete="off" required>
+                        <input type="hidden" name="symbol" required>
+                        <input type="hidden" name="symbol_name">
+                        <input type="hidden" name="market_code" required>
+                        <input type="hidden" name="sina_code">
+                        <div class="symbol-dropdown"></div>
+                        <div class="symbol-selected"></div>
+                    </div>
                     <select name="direction" required>
                         <option value="">方向</option>
                         <option value="long">做多</option>
@@ -101,7 +109,7 @@
                         {% for r in reviews %}
                         <tr>
                             <td>{{ r.close_time[:16] if r.close_time else '' }}</td>
-                            <td>{{ r.symbol }}</td>
+                            <td>{{ r.symbol_name or r.symbol }}</td>
                             <td><span class="badge dir">{{ '多' if r.direction == 'long' else '空' }}</span></td>
                             <td>
                                 {% if r.pnl and r.pnl > 0 %}<span class="badge profit">{{ r.pnl }}</span>
@@ -111,7 +119,7 @@
                             <td>{% if r.is_emotion %}<span class="badge loss">情绪</span>{% else %}-{% endif %}</td>
                             <td>
                                 <button type="button" class="btn-link review-view-btn" data-review='{{ {
-                                    "symbol": r.symbol, "direction": "做多" if r.direction=="long" else "做空",
+                                    "symbol": r.symbol_name or r.symbol, "symbol_code": r.symbol, "direction": "做多" if r.direction=="long" else "做空",
                                     "entry_price": r.entry_price, "stop_loss": r.stop_loss, "take_profit": r.take_profit,
                                     "close_price": r.close_price, "lots": r.lots,
                                     "open_time": r.open_time, "close_time": r.close_time,