diff --git a/install_trading.py b/install_trading.py
index aa9def8..115dd6c 100644
--- a/install_trading.py
+++ b/install_trading.py
@@ -1045,11 +1045,11 @@ def install_trading(app, *, login_required, require_nav, get_db, get_setting, se
         tp = float(mon["take_profit"]) if mon and mon.get("take_profit") is not None else None
         holding = _holding_duration(open_time, now_iso) if open_time else ""
 
-        if (mark is None or float(mark or 0) <= 0) and not fast and ctp_status(mode).get("connected"):
+        if ctp_status(mode).get("connected"):
             live_mark = ctp_get_tick_price(mode, sym)
             if live_mark and live_mark > 0:
                 mark = live_mark
-        if (mark is None or float(mark or 0) <= 0) and not fast and codes:
+        elif (mark is None or float(mark or 0) <= 0) and not fast and codes:
             mark = fetch_price(
                 sym,
                 codes.get("market_code", ""),
@@ -1780,6 +1780,11 @@ def install_trading(app, *, login_required, require_nav, get_db, get_setting, se
             return jsonify({"ok": False, "error": "缺少品种代码"}), 400
         if sl is None and tp is None:
             return jsonify({"ok": False, "error": "请至少填写止损或止盈"}), 400
+        trailing_on = bool(d.get("trailing_be"))
+        if trailing_on and sl is None:
+            return jsonify({"ok": False, "error": "移动保本须填写止损价"}), 400
+        if trailing_on:
+            tp = None
         mode = get_trading_mode(get_setting)
         conn = get_db()
         try:
@@ -1801,7 +1806,7 @@ def install_trading(app, *, login_required, require_nav, get_db, get_setting, se
                         break
             if not has_pos:
                 return jsonify({"ok": False, "error": "未找到对应持仓"}), 400
-            trailing_be = 1 if d.get("trailing_be") else (
+            trailing_be = 1 if trailing_on else (
                 int(mon.get("trailing_be") or 0) if mon else 0
             )
             mid = _upsert_open_monitor(
@@ -1814,8 +1819,15 @@ def install_trading(app, *, login_required, require_nav, get_db, get_setting, se
                 tp=tp,
                 trailing_be=trailing_be,
             )
+            if trailing_on and sl is not None:
+                conn.execute(
+                    """UPDATE trade_order_monitors SET
+                       take_profit=NULL, initial_stop_loss=?, trailing_r_locked=0
+                       WHERE id=?""",
+                    (sl, mid),
+                )
             conn.commit()
-            _push_position_snapshot_async()
+            _push_position_snapshot_async(fast=False)
             return jsonify({
                 "ok": True,
                 "monitor_id": mid,
@@ -2419,7 +2431,7 @@ def install_trading(app, *, login_required, require_nav, get_db, get_setting, se
                     f"{trading_mode_label(get_setting)} {offset} {sym} {direction} {lots}手 @{price}"
                 )
             conn.close()
-            _push_position_snapshot_async()
+            _push_position_snapshot_async(fast=False)
             return jsonify({
                 "ok": True,
                 "result": result,
@@ -3196,8 +3208,8 @@ def install_trading(app, *, login_required, require_nav, get_db, get_setting, se
 
     start_position_worker(
         refresh_fn=_position_worker_refresh,
-        interval=2,
-        idle_interval=5,
+        interval=1,
+        idle_interval=3,
     )
     _bootstrap_trading_runtime()
     start_ctp_fee_worker(
diff --git a/static/css/trade.css b/static/css/trade.css
index 710a09d..983a0ce 100644
--- a/static/css/trade.css
+++ b/static/css/trade.css
@@ -116,6 +116,13 @@
 .pos-order-btn:disabled,.pos-order-btn.pos-order-done{opacity:.55;cursor:default;border-color:var(--table-border);background:var(--card-inner);color:var(--text-muted)}
 .pos-order-btn:disabled:not(.pos-order-done){cursor:wait}
 
+.sl-tp-modal{max-width:420px;width:100%}
+.sl-tp-modal-fields{display:flex;flex-direction:column;gap:.75rem;margin-bottom:1rem}
+.sl-tp-modal-fields .trade-field{margin:0}
+.sl-tp-modal-trailing{margin-top:.15rem}
+.sl-tp-modal-actions{display:flex;gap:.5rem;justify-content:flex-end}
+.sl-tp-modal-actions .btn-secondary,.sl-tp-modal-actions .btn-primary{width:auto;min-width:5rem;padding:.45rem 1rem;font-size:.85rem}
+
 @media (min-width:768px) and (max-width:1100px){
     .trade-split .card{min-height:420px}
     .trade-form-line.line-3{grid-template-columns:1fr 1fr}
diff --git a/static/js/trade.js b/static/js/trade.js
index fb894ff..4640803 100644
--- a/static/js/trade.js
+++ b/static/js/trade.js
@@ -1061,16 +1061,18 @@
         var dirBadge = row.direction_label || (row.direction === 'long' ? '做多' : '做空');
         var openT = (row.open_time || '').replace('T', ' ').slice(0, 16);
         var closeAllowed = row.close_allowed !== false && isTradingSession;
-        var slTpBtn = (!row.stop_loss && !row.take_profit && row.can_close) ?
+        var slTpBtn = (!row.stop_loss && !row.take_profit && !row.trailing_be && row.can_close) ?
             '<button type="button" class="pos-dismiss-btn pos-sl-btn" data-sl-tp="' +
             encodeURIComponent(JSON.stringify({
                 symbol_code: row.symbol_code, direction: row.direction,
-                lots: row.lots, entry_price: row.entry_price, monitor_id: row.monitor_id || null
+                lots: row.lots, entry_price: row.entry_price, monitor_id: row.monitor_id || null,
+                trailing_be: !!row.trailing_be
             })) + '">设置止盈止损</button>' : '';
         var editPayload = encodeURIComponent(JSON.stringify({
             symbol_code: row.symbol_code, direction: row.direction,
             lots: row.lots, entry_price: row.entry_price, monitor_id: row.monitor_id || null,
-            stop_loss: row.stop_loss, take_profit: row.take_profit
+            stop_loss: row.stop_loss, take_profit: row.take_profit,
+            trailing_be: !!row.trailing_be
         }));
         var entrustBtn = row.can_close ?
             '<button type="button" class="pos-order-btn pos-entrust-btn" data-edit-sl-tp="' + editPayload + '">委托</button>' : '';
@@ -1172,16 +1174,66 @@
         });
     }
 
-    function promptStopTakeProfit(payload, btn, btnLabel) {
-        btnLabel = btnLabel || '设置止盈止损';
-        var slDefault = payload.stop_loss != null && payload.stop_loss !== '' ? String(payload.stop_loss) : '';
-        var tpDefault = payload.take_profit != null && payload.take_profit !== '' ? String(payload.take_profit) : '';
-        var slRaw = prompt('止损价（可留空）', slDefault);
-        if (slRaw === null) return;
-        var tpRaw = prompt('止盈价（可留空）', tpDefault);
-        if (tpRaw === null) return;
-        var sl = slRaw.trim() ? parseFloat(slRaw) : null;
-        var tp = tpRaw.trim() ? parseFloat(tpRaw) : null;
+    var slTpModalState = { payload: null, btn: null, btnLabel: '设置止盈止损' };
+
+    function syncSlTpModalTrailingUi() {
+        var trailingEl = document.getElementById('sl-tp-modal-trailing');
+        var tpWrap = document.getElementById('sl-tp-modal-tp-wrap');
+        var hint = document.getElementById('sl-tp-modal-trailing-hint');
+        var on = !!(trailingEl && trailingEl.checked);
+        if (tpWrap) tpWrap.hidden = on;
+        if (hint) hint.hidden = !on;
+        if (on) {
+            var tpInput = document.getElementById('sl-tp-modal-tp');
+            if (tpInput) tpInput.value = '';
+        }
+    }
+
+    function closeSlTpModal() {
+        var mask = document.getElementById('sl-tp-modal');
+        if (mask) mask.classList.remove('show');
+        slTpModalState.payload = null;
+        slTpModalState.btn = null;
+    }
+
+    function openSlTpModal(payload, btn, btnLabel) {
+        var mask = document.getElementById('sl-tp-modal');
+        var title = document.getElementById('sl-tp-modal-title');
+        var slInput = document.getElementById('sl-tp-modal-sl');
+        var tpInput = document.getElementById('sl-tp-modal-tp');
+        var trailingEl = document.getElementById('sl-tp-modal-trailing');
+        if (!mask || !slInput) return;
+        slTpModalState.payload = payload;
+        slTpModalState.btn = btn || null;
+        slTpModalState.btnLabel = btnLabel || '设置止盈止损';
+        if (title) title.textContent = slTpModalState.btnLabel;
+        slInput.value = payload.stop_loss != null && payload.stop_loss !== '' ? String(payload.stop_loss) : '';
+        if (tpInput) {
+            tpInput.value = payload.take_profit != null && payload.take_profit !== '' ? String(payload.take_profit) : '';
+        }
+        if (trailingEl) trailingEl.checked = !!payload.trailing_be;
+        syncSlTpModalTrailingUi();
+        mask.classList.add('show');
+        slInput.focus();
+    }
+
+    function saveSlTpModal() {
+        var payload = slTpModalState.payload;
+        if (!payload) return;
+        var btn = slTpModalState.btn;
+        var btnLabel = slTpModalState.btnLabel;
+        var slInput = document.getElementById('sl-tp-modal-sl');
+        var tpInput = document.getElementById('sl-tp-modal-tp');
+        var trailingEl = document.getElementById('sl-tp-modal-trailing');
+        var trailingOn = !!(trailingEl && trailingEl.checked);
+        var slRaw = slInput && slInput.value ? slInput.value.trim() : '';
+        var tpRaw = trailingOn ? '' : (tpInput && tpInput.value ? tpInput.value.trim() : '');
+        var sl = slRaw ? parseFloat(slRaw) : null;
+        var tp = tpRaw ? parseFloat(tpRaw) : null;
+        if (trailingOn && (sl == null || isNaN(sl))) {
+            alert('移动保本须填写止损价');
+            return;
+        }
         if (sl == null && tp == null) {
             alert('请至少填写止损或止盈');
             return;
@@ -1190,6 +1242,8 @@
             btn.disabled = true;
             btn.textContent = '保存中…';
         }
+        var saveBtn = document.getElementById('sl-tp-modal-save');
+        if (saveBtn) saveBtn.disabled = true;
         fetch('/api/trading/monitor/upsert', {
             method: 'POST',
             headers: { 'Content-Type': 'application/json' },
@@ -1201,7 +1255,8 @@
                 entry_price: payload.entry_price,
                 monitor_id: payload.monitor_id || null,
                 stop_loss: sl,
-                take_profit: tp
+                take_profit: tp,
+                trailing_be: trailingOn
             })
         })
             .then(function (r) {
@@ -1214,6 +1269,7 @@
             })
             .then(function (d) {
                 if (!d.ok) throw new Error(d.error || '保存失败');
+                closeSlTpModal();
                 pollPositions();
             })
             .catch(function (e) {
@@ -1224,9 +1280,31 @@
                     btn.disabled = false;
                     btn.textContent = btnLabel;
                 }
+            })
+            .finally(function () {
+                if (saveBtn) saveBtn.disabled = false;
             });
     }
 
+    function bindSlTpModal() {
+        var mask = document.getElementById('sl-tp-modal');
+        var trailingEl = document.getElementById('sl-tp-modal-trailing');
+        var cancelBtn = document.getElementById('sl-tp-modal-cancel');
+        var saveBtn = document.getElementById('sl-tp-modal-save');
+        if (trailingEl) trailingEl.addEventListener('change', syncSlTpModalTrailingUi);
+        if (cancelBtn) cancelBtn.addEventListener('click', closeSlTpModal);
+        if (saveBtn) saveBtn.addEventListener('click', saveSlTpModal);
+        if (mask) {
+            mask.addEventListener('click', function (e) {
+                if (e.target === mask) closeSlTpModal();
+            });
+        }
+    }
+
+    function promptStopTakeProfit(payload, btn, btnLabel) {
+        openSlTpModal(payload, btn, btnLabel || '设置止盈止损');
+    }
+
     function bindSlTpButtons(root) {
         if (!root) return;
         root.querySelectorAll('[data-sl-tp]').forEach(function (btn) {
@@ -1754,6 +1832,7 @@
         }
         pollPositions();
         connectPositionStream();
+        bindSlTpModal();
         initCtpOnLoad();
         connectRecommendStream();
         initRecommendSortControls();
diff --git a/templates/trade.html b/templates/trade.html
index 1472c00..13baa72 100644
--- a/templates/trade.html
+++ b/templates/trade.html
@@ -269,6 +269,31 @@
             </div>
     </div>
 </div>
+
+<div id="sl-tp-modal" class="modal-mask" role="dialog" aria-labelledby="sl-tp-modal-title">
+    <div class="modal-box sl-tp-modal">
+        <h3 id="sl-tp-modal-title">设置止盈止损</h3>
+        <div class="sl-tp-modal-fields">
+            <div class="trade-field">
+                <label class="text-label" for="sl-tp-modal-sl">止损</label>
+                <input type="number" id="sl-tp-modal-sl" step="any" placeholder="必填（移动保本须填止损）">
+            </div>
+            <div class="trade-field" id="sl-tp-modal-tp-wrap">
+                <label class="text-label" for="sl-tp-modal-tp">止盈</label>
+                <input type="number" id="sl-tp-modal-tp" step="any" placeholder="可留空">
+            </div>
+            <label class="trailing-be-toggle sl-tp-modal-trailing">
+                <input type="checkbox" id="sl-tp-modal-trailing">
+                <span>移动保本</span>
+            </label>
+            <p class="hint" id="sl-tp-modal-trailing-hint" hidden>开启后不设固定止盈；达 1R 后止损移至开仓价 ± 缓冲跳</p>
+        </div>
+        <div class="sl-tp-modal-actions">
+            <button type="button" class="btn-secondary" id="sl-tp-modal-cancel">取消</button>
+            <button type="button" class="btn-primary" id="sl-tp-modal-save">保存</button>
+        </div>
+    </div>
+</div>
 {% endblock %}
 {% block extra_js %}
 <script type="application/json" id="trade-page-data">{{ {