diff --git a/crypto_monitor_binance/app.py b/crypto_monitor_binance/app.py
index 89f21a4..261ad1f 100644
--- a/crypto_monitor_binance/app.py
+++ b/crypto_monitor_binance/app.py
@@ -7739,7 +7739,7 @@ def api_price_snapshot():
             leverage=leverage,
             exchange_notional=ex_metrics.get("notional") if ex_metrics else None,
             contracts=abs(_position_row_effective_contracts(prow)) if prow else None,
-            contract_size=float(get_contract_size(r["symbol"])) if r["symbol"] else 1.0,
+            contract_size=float(get_contract_size(ex_sym)) if ex_sym else 1.0,
             mark_price=ex_metrics.get("mark_price") if ex_metrics else price,
             avg_entry_price=avg_entry,
             funds_decimals=FUNDS_DECIMALS,
@@ -7798,6 +7798,10 @@ def api_price_snapshot():
 @app.route("/api/order/<int:order_id>/cancel_tpsl", methods=["POST"])
 @login_required
 def api_order_cancel_tpsl(order_id):
+    from lib.trade.trade_policy_lib import is_intraday_trading_profile
+
+    if is_intraday_trading_profile(TRADE_POLICY):
+        return jsonify({"ok": False, "msg": "日内纪律账户禁止撤销交易所止盈止损"}), 403
     data = request.get_json(silent=True) or {}
     role = (data.get("role") or "").strip().lower()
     if role not in ("sl", "tp"):
@@ -7883,6 +7887,7 @@ def api_order_place_tpsl(order_id):
             pass
     from lib.trade.order_monitor_display_lib import enrich_active_monitor_tpsl_json
 
+    ex_sym = resolve_monitor_exchange_symbol(row)
     display_extra = enrich_active_monitor_tpsl_json(
         row,
         stop_loss,
@@ -7890,7 +7895,7 @@ def api_order_place_tpsl(order_id):
         slots,
         position_row=prow,
         exchange_notional=ex_metrics.get("notional") if ex_metrics else None,
-        contract_size=float(get_contract_size(symbol)) if symbol else 1.0,
+        contract_size=float(get_contract_size(ex_sym)) if ex_sym else 1.0,
         mark_price=live_price,
         calc_rr_ratio_fn=calc_rr_ratio,
         format_price_fn=format_price_for_symbol,
diff --git a/crypto_monitor_gate/app.py b/crypto_monitor_gate/app.py
index a05193d..488d664 100644
--- a/crypto_monitor_gate/app.py
+++ b/crypto_monitor_gate/app.py
@@ -7603,7 +7603,7 @@ def api_price_snapshot():
             leverage=leverage,
             exchange_notional=ex_metrics.get("notional") if ex_metrics else None,
             contracts=abs(_position_row_effective_contracts(prow)) if prow else None,
-            contract_size=float(get_contract_size(r["symbol"])) if r["symbol"] else 1.0,
+            contract_size=float(get_contract_size(ex_sym)) if ex_sym else 1.0,
             mark_price=ex_metrics.get("mark_price") if ex_metrics else price,
             avg_entry_price=avg_entry,
             funds_decimals=FUNDS_DECIMALS,
@@ -7660,6 +7660,10 @@ def api_price_snapshot():
 @app.route("/api/order/<int:order_id>/cancel_tpsl", methods=["POST"])
 @login_required
 def api_order_cancel_tpsl(order_id):
+    from lib.trade.trade_policy_lib import is_intraday_trading_profile
+
+    if is_intraday_trading_profile(TRADE_POLICY):
+        return jsonify({"ok": False, "msg": "日内纪律账户禁止撤销交易所止盈止损"}), 403
     data = request.get_json(silent=True) or {}
     role = (data.get("role") or "").strip().lower()
     if role not in ("sl", "tp"):
@@ -7750,6 +7754,7 @@ def api_order_place_tpsl(order_id):
             pass
     from lib.trade.order_monitor_display_lib import enrich_active_monitor_tpsl_json
 
+    ex_sym = resolve_monitor_exchange_symbol(row)
     display_extra = enrich_active_monitor_tpsl_json(
         row,
         stop_loss,
@@ -7757,7 +7762,7 @@ def api_order_place_tpsl(order_id):
         slots,
         position_row=prow,
         exchange_notional=ex_metrics.get("notional") if ex_metrics else None,
-        contract_size=float(get_contract_size(symbol)) if symbol else 1.0,
+        contract_size=float(get_contract_size(ex_sym)) if ex_sym else 1.0,
         mark_price=live_price,
         calc_rr_ratio_fn=calc_rr_ratio,
         format_price_fn=format_price_for_symbol,
diff --git a/crypto_monitor_okx/app.py b/crypto_monitor_okx/app.py
index a6e9471..23236dc 100644
--- a/crypto_monitor_okx/app.py
+++ b/crypto_monitor_okx/app.py
@@ -7300,7 +7300,7 @@ def api_price_snapshot():
             leverage=leverage,
             exchange_notional=ex_metrics.get("notional") if ex_metrics else None,
             contracts=abs(_position_row_effective_contracts(prow)) if prow else None,
-            contract_size=float(get_contract_size(r["symbol"])) if r["symbol"] else 1.0,
+            contract_size=float(get_contract_size(ex_sym)) if ex_sym else 1.0,
             mark_price=ex_metrics.get("mark_price") if ex_metrics else price,
             avg_entry_price=avg_entry,
             funds_decimals=FUNDS_DECIMALS,
@@ -7686,6 +7686,10 @@ def api_key_kline():
 @app.route("/api/order/<int:order_id>/cancel_tpsl", methods=["POST"])
 @login_required
 def api_order_cancel_tpsl(order_id):
+    from lib.trade.trade_policy_lib import is_intraday_trading_profile
+
+    if is_intraday_trading_profile(TRADE_POLICY):
+        return jsonify({"ok": False, "msg": "日内纪律账户禁止撤销交易所止盈止损"}), 403
     data = request.get_json(silent=True) or {}
     role = (data.get("role") or "").strip().lower()
     if role not in ("sl", "tp"):
@@ -7771,6 +7775,7 @@ def api_order_place_tpsl(order_id):
             pass
     from lib.trade.order_monitor_display_lib import enrich_active_monitor_tpsl_json
 
+    ex_sym = resolve_monitor_exchange_symbol(row)
     display_extra = enrich_active_monitor_tpsl_json(
         row,
         stop_loss,
@@ -7778,7 +7783,7 @@ def api_order_place_tpsl(order_id):
         slots,
         position_row=prow,
         exchange_notional=ex_metrics.get("notional") if ex_metrics else None,
-        contract_size=float(get_contract_size(symbol)) if symbol else 1.0,
+        contract_size=float(get_contract_size(ex_sym)) if ex_sym else 1.0,
         mark_price=live_price,
         calc_rr_ratio_fn=calc_rr_ratio,
         format_price_fn=format_price_for_symbol,
diff --git a/lib/instance/templates/embed_boot_scripts.html b/lib/instance/templates/embed_boot_scripts.html
index 1fbcdd5..47dc661 100644
--- a/lib/instance/templates/embed_boot_scripts.html
+++ b/lib/instance/templates/embed_boot_scripts.html
@@ -757,10 +757,13 @@ function paintExchangeTpslRow(orderId, tpsl){
     const tpText = document.getElementById(`ex-tp-text-${orderId}`);
     const slBtn = document.getElementById(`ex-sl-cancel-${orderId}`);
     const tpBtn = document.getElementById(`ex-tp-cancel-${orderId}`);
+    const intraday = (document.body && document.body.getAttribute("data-intraday-discipline")) === "1";
     if(slText) slText.innerText = formatExTpslLine('sl', data.sl);
     if(tpText) tpText.innerText = formatExTpslLine('tp', data.tp);
-    if(slBtn) slBtn.disabled = !(data.sl && data.sl.order_id);
-    if(tpBtn) tpBtn.disabled = !(data.tp && data.tp.order_id);
+    if(!intraday){
+        if(slBtn) slBtn.disabled = !(data.sl && data.sl.order_id);
+        if(tpBtn) tpBtn.disabled = !(data.tp && data.tp.order_id);
+    }
 }
 function toggleTpslModalMode(){
     const mode = (document.getElementById('tpsl-modal-mode')||{}).value || 'price';
diff --git a/lib/instance/templates/embed_page_fragment.html b/lib/instance/templates/embed_page_fragment.html
index 71103e6..2dad742 100644
--- a/lib/instance/templates/embed_page_fragment.html
+++ b/lib/instance/templates/embed_page_fragment.html
@@ -166,11 +166,15 @@
                         <div class="pos-ex-orders-title">交易所止盈止损</div>
                         <div class="pos-ex-order-row">
                             <span class="pos-ex-order-main" id="ex-sl-text-{{ o.id }}">止损:加载中…</span>
+                            {% if not intraday_discipline %}
                             <button type="button" class="pos-ex-cancel-btn" id="ex-sl-cancel-{{ o.id }}" disabled onclick="cancelExchangeTpsl({{ o.id }}, 'sl')">撤单</button>
+                            {% endif %}
                         </div>
                         <div class="pos-ex-order-row">
                             <span class="pos-ex-order-main" id="ex-tp-text-{{ o.id }}">止盈:加载中…</span>
+                            {% if not intraday_discipline %}
                             <button type="button" class="pos-ex-cancel-btn" id="ex-tp-cancel-{{ o.id }}" disabled onclick="cancelExchangeTpsl({{ o.id }}, 'tp')">撤单</button>
+                            {% endif %}
                         </div>
                     </div>
                 </div>
diff --git a/lib/instance/templates/embed_shell.html b/lib/instance/templates/embed_shell.html
index d189d1f..c9910cc 100644
--- a/lib/instance/templates/embed_shell.html
+++ b/lib/instance/templates/embed_shell.html
@@ -14,6 +14,7 @@
 </head>
 <body
     data-embed-shell="1"
+    data-intraday-discipline="{% if intraday_discipline %}1{% else %}0{% endif %}"
     data-risk-percent="{{ risk_percent }}"
     data-page="{{ initial_tab }}"
     data-position-sizing-mode="{{ position_sizing_mode }}"
diff --git a/lib/instance/templates/index.html b/lib/instance/templates/index.html
index 8536a03..a1056d1 100644
--- a/lib/instance/templates/index.html
+++ b/lib/instance/templates/index.html
@@ -22,6 +22,7 @@
 </head>
 <body
     data-page="{{ page }}"
+    data-intraday-discipline="{% if intraday_discipline %}1{% else %}0{% endif %}"
     data-risk-percent="{{ risk_percent }}"
     data-position-sizing-mode="{{ position_sizing_mode }}"
     data-btc-leverage="{{ btc_leverage }}"
@@ -248,11 +249,15 @@
                         <div class="pos-ex-orders-title">交易所止盈止损</div>
                         <div class="pos-ex-order-row">
                             <span class="pos-ex-order-main" id="ex-sl-text-{{ o.id }}">止损:加载中…</span>
+                            {% if not intraday_discipline %}
                             <button type="button" class="pos-ex-cancel-btn" id="ex-sl-cancel-{{ o.id }}" disabled onclick="cancelExchangeTpsl({{ o.id }}, 'sl')">撤单</button>
+                            {% endif %}
                         </div>
                         <div class="pos-ex-order-row">
                             <span class="pos-ex-order-main" id="ex-tp-text-{{ o.id }}">止盈:加载中…</span>
+                            {% if not intraday_discipline %}
                             <button type="button" class="pos-ex-cancel-btn" id="ex-tp-cancel-{{ o.id }}" disabled onclick="cancelExchangeTpsl({{ o.id }}, 'tp')">撤单</button>
+                            {% endif %}
                         </div>
                     </div>
                 </div>
@@ -1295,10 +1300,13 @@ function paintExchangeTpslRow(orderId, tpsl){
     const tpText = document.getElementById(`ex-tp-text-${orderId}`);
     const slBtn = document.getElementById(`ex-sl-cancel-${orderId}`);
     const tpBtn = document.getElementById(`ex-tp-cancel-${orderId}`);
+    const intraday = (document.body && document.body.getAttribute("data-intraday-discipline")) === "1";
     if(slText) slText.innerText = formatExTpslLine('sl', data.sl);
     if(tpText) tpText.innerText = formatExTpslLine('tp', data.tp);
-    if(slBtn) slBtn.disabled = !(data.sl && data.sl.order_id);
-    if(tpBtn) tpBtn.disabled = !(data.tp && data.tp.order_id);
+    if(!intraday){
+        if(slBtn) slBtn.disabled = !(data.sl && data.sl.order_id);
+        if(tpBtn) tpBtn.disabled = !(data.tp && data.tp.order_id);
+    }
 }
 function toggleTpslModalMode(){
     const mode = (document.getElementById('tpsl-modal-mode')||{}).value || 'price';
diff --git a/manual_trading_hub/static/app.js b/manual_trading_hub/static/app.js
index 0482cff..87fdcce 100644
--- a/manual_trading_hub/static/app.js
+++ b/manual_trading_hub/static/app.js
@@ -2808,8 +2808,9 @@
     return { sl, tp };
   }
 
-  function renderExTpslRows(exchangeId, symbol, cond, tickMap, resolvedTpsl, contracts) {
+  function renderExTpslRows(exchangeId, symbol, cond, tickMap, resolvedTpsl, contracts, intradayDiscipline) {
     const symAttr = esc(symbol || "").replace(/"/g, "&quot;");
+    const intraday = !!intradayDiscipline;
     let { sl, tp } = pickExTpslOrders(cond);
     const plan = resolvedTpsl || {};
     if (!sl && plan.sl != null && plan.sl !== "") {
@@ -2827,7 +2828,7 @@
       const px = orderTriggerOrPrice(o);
       const trig = px != null ? fmtSymbolPrice(px, symbol, tickMap) : "—";
       const cancelBtn =
-        oid && o.channel !== "plan"
+        !intraday && oid && o.channel !== "plan"
           ? `<button type="button" class="pos-ex-cancel-btn btn-cancel-order" data-ex-id="${esc(exchangeId)}" data-symbol="${symAttr}" data-order-id="${oid}" data-channel="${ch}">撤单</button>`
           : "";
       const planHint = o.channel === "plan" ? '<span class="pos-ex-plan-hint">(下单监控)</span>' : "";
@@ -3193,7 +3194,7 @@
       </div>
       <div class="pos-ex-orders">
         <div class="pos-ex-orders-title">交易所止盈止损</div>
-        ${renderExTpslRows(exchangeId, symbol, cond, tickMap, tpsl, pos.contracts)}
+        ${renderExTpslRows(exchangeId, symbol, cond, tickMap, tpsl, pos.contracts, intraday)}
       </div>
       ${renderOrdersCollapse(exchangeId, symbol, cond, reg, tickMap)}
     </div>`;
diff --git a/tests/test_order_monitor_display_lib.py b/tests/test_order_monitor_display_lib.py
index 600c12d..5e65d73 100644
--- a/tests/test_order_monitor_display_lib.py
+++ b/tests/test_order_monitor_display_lib.py
@@ -115,6 +115,28 @@ def test_apply_order_price_display_fields_live_sl():
     assert payload["reward_at_tp_usdt"] > 0
 
 
+def test_apply_order_price_display_fields_gate_contract_size():
+    payload = {}
+    apply_order_price_display_fields(
+        payload,
+        direction="short",
+        entry_price=62063.4,
+        initial_stop_loss=62650,
+        stop_loss=62650,
+        take_profit=61200,
+        calc_rr_ratio_fn=_calc_rr,
+        exchange_tpsl={},
+        symbol="BTC/USDT:USDT",
+        margin_capital=48,
+        leverage=10,
+        contracts=78.0,
+        contract_size=0.0001,
+        avg_entry_price=62063.4,
+    )
+    assert payload["reward_at_tp_usdt"] is not None
+    assert abs(payload["reward_at_tp_usdt"] - 6.73) < 0.1
+
+
 def test_calc_latest_risk_amount_long():
     rf = calc_risk_fraction("long", 100, 95)
     assert rf is not None and abs(rf - 0.05) < 1e-9