diff --git a/lib/common/static/instance_theme.css b/lib/common/static/instance_theme.css
index 2e19ce9..7e5bf2b 100644
--- a/lib/common/static/instance_theme.css
+++ b/lib/common/static/instance_theme.css
@@ -3754,8 +3754,11 @@ html[data-theme="light"] .opt-pending-item {
 .options-page-wrap .opt-order-panel-inner .opt-order-title {
   font-size: 0.82rem;
 }
-.opt-order-panel-host {
-  display: none;
+.opt-order-panel-host:not([hidden]) {
+  display: block;
+}
+.opt-order-panel-host[hidden] {
+  display: none !important;
 }
 .options-order-grid {
   display: grid;
diff --git a/lib/common/static/options_panel.js b/lib/common/static/options_panel.js
index 2c827e8..ff46fd2 100644
--- a/lib/common/static/options_panel.js
+++ b/lib/common/static/options_panel.js
@@ -27,11 +27,16 @@
   let lastGoodPositionsAt = 0;
   let positionsRefreshSeq = 0;
   let chainLoadSeq = 0;
+  let selectSeq = 0;
   let refreshAllTimer = null;
   let pendingRefreshTimer = null;
   let pendingTtlSeconds = 600;
   const POSITIONS_STALE_MS = 45000;
   const PENDING_POLL_MS = 8000;
+  const orderPanelHome = (function () {
+    const host = document.getElementById("opt-order-panel-host");
+    return host ? host.parentElement : null;
+  })();
 
   function fmt(v, d) {
     if (v === null || v === undefined || Number.isNaN(Number(v))) return "—";
@@ -75,59 +80,71 @@
     return document.getElementById("opt-order-panel-host");
   }
 
+  function syncPickButtons(instId) {
+    document.querySelectorAll(".opt-pick-btn").forEach(function (btn) {
+      const on = !!instId && btn.getAttribute("data-inst") === instId;
+      btn.classList.toggle("active", on);
+      btn.disabled = false;
+      if (!btn.dataset.origText) btn.dataset.origText = "选择";
+      btn.textContent = on ? "已选" : btn.dataset.origText;
+    });
+  }
+
   function parkOrderPanel() {
     stopPendingOrdersPoll();
     const panel = orderPanel();
     const host = orderPanelHost();
-    // 先把面板移回 host，再删行内 tr，避免 tbody.innerHTML 清空时把 #opt-order-panel 一起销毁
-    if (panel && host) {
-      if (panel.parentElement !== host) host.appendChild(panel);
-      host.hidden = true;
-      panel.style.display = "none";
+    // 把整块 host(含面板)移回原位,再删行内 tr,避免 tbody 重绘销毁下单 DOM
+    if (host && orderPanelHome && host.parentElement !== orderPanelHome) {
+      orderPanelHome.appendChild(host);
+    } else if (panel && host && panel.parentElement !== host) {
+      host.appendChild(panel);
     }
+    if (host) host.hidden = true;
+    if (panel) panel.style.display = "none";
     const inline = document.querySelector(".opt-order-inline-row");
     if (inline) inline.remove();
     document.querySelectorAll(".opt-strike-row").forEach(function (r) {
       r.classList.remove("opt-row-selected");
     });
-    document.querySelectorAll(".opt-pick-btn").forEach(function (b) {
-      b.classList.remove("active");
-      b.disabled = false;
-      if (b.dataset.origText) b.textContent = b.dataset.origText;
-    });
+    syncPickButtons(null);
   }
 
   function placeOrderPanelAfter(instId) {
     const panel = orderPanel();
-    if (!panel || !instId) return;
+    const host = orderPanelHost();
+    if (!panel || !host || !instId) {
+      syncPickButtons(instId || null);
+      return false;
+    }
     const row =
       document.querySelector('#opt-strike-tbody tr.opt-strike-row[data-inst="' + CSS.escape(instId) + '"]') ||
       document.querySelector('#opt-strike-tbody tr.opt-strike-row[data-call-inst="' + CSS.escape(instId) + '"]') ||
       document.querySelector('#opt-strike-tbody tr.opt-strike-row[data-put-inst="' + CSS.escape(instId) + '"]');
-    if (!row) return;
+    if (!row) {
+      syncPickButtons(null);
+      return false;
+    }
     document.querySelectorAll(".opt-strike-row").forEach(function (r) {
       r.classList.toggle("opt-row-selected", r === row);
     });
-    document.querySelectorAll(".opt-pick-btn").forEach(function (btn) {
-      const on = btn.getAttribute("data-inst") === instId;
-      btn.classList.toggle("active", on);
-      if (!btn.dataset.origText) btn.dataset.origText = btn.textContent;
-      if (on) btn.textContent = "已选";
-    });
+    syncPickButtons(instId);
     const oldInline = document.querySelector(".opt-order-inline-row");
     if (oldInline) oldInline.remove();
+    if (panel.parentElement !== host) host.appendChild(panel);
     const tr = document.createElement("tr");
     tr.className = "opt-order-inline-row";
     const td = document.createElement("td");
     td.colSpan = strikeTableColspan();
-    td.appendChild(panel);
+    td.appendChild(host);
     tr.appendChild(td);
     row.after(tr);
+    host.hidden = false;
     panel.style.display = "";
-    orderPanelHost().hidden = true;
     tr.scrollIntoView({ behavior: "smooth", block: "nearest" });
     refreshPendingOrders();
     startPendingOrdersPoll();
+    return true;
   }
 
   function fmtPendingAge(sec) {
@@ -920,6 +937,7 @@
   }
 
   async function selectContract(instId, pickBtn, silent) {
+    const seq = ++selectSeq;
     state.selectedInst = instId;
     placeOrderPanelAfter(instId);
     if (pickBtn) {
@@ -929,15 +947,14 @@
     }
     try {
       const d = await apiJson(quoteUrl(instId));
+      if (seq !== selectSeq) return d;
       fillOrderPanel(d);
       return d;
     } finally {
-      if (pickBtn) {
-        pickBtn.disabled = false;
-        pickBtn.textContent = "已选";
-        pickBtn.classList.add("active");
+      if (seq === selectSeq) {
+        syncPickButtons(instId);
+        if (!silent) placeOrderPanelAfter(instId);
       }
-      if (!silent) placeOrderPanelAfter(instId);
     }
   }
 
diff --git a/lib/exchange/okx_options_lib.py b/lib/exchange/okx_options_lib.py
index fdf053b..68f10a7 100644
--- a/lib/exchange/okx_options_lib.py
+++ b/lib/exchange/okx_options_lib.py
@@ -370,24 +370,62 @@ def normalize_option_exp_ms(exp_time: Any, inst_id: str = "") -> int | None:
     return expiry_ms_from_inst_id(inst_id)
 
 
+def _is_okx_rate_limit(err: BaseException) -> bool:
+    text = str(err) or ""
+    name = err.__class__.__name__
+    return "50011" in text or "Too Many Requests" in text or "RateLimit" in name
+
+
+def _meta_from_inst_id_fallback(inst_id: str) -> dict[str, Any]:
+    """行情在但 instruments 限频时,用合约 ID 拼最小 meta,避免误报「合约不存在」."""
+    family = inst_family_from_inst_id(inst_id) or ""
+    opt_type, strike = option_fields_from_inst_id(inst_id)
+    uly = family.replace("_UM", "") if family else ""
+    return {
+        "instId": inst_id,
+        "instFamily": family,
+        "uly": uly,
+        "optType": opt_type,
+        "stk": strike,
+        "ctMult": 0.01,
+        "minSz": "1",
+        "tickSz": "0.0001",
+        "state": "live",
+    }
+
+
 def fetch_option_instrument_meta(ex: ccxt.okx, inst_id: str) -> dict[str, Any] | None:
     family = inst_family_from_inst_id(inst_id)
     if not family:
         return None
-    try:
-        rows = ex.public_get_public_instruments(
-            {"instType": "OPTION", "instFamily": family, "instId": inst_id}
-        ).get("data") or []
-        if rows and isinstance(rows[0], dict):
-            return rows[0]
-        rows = ex.public_get_public_instruments(
-            {"instType": "OPTION", "instFamily": family}
-        ).get("data") or []
-        for r in rows:
-            if isinstance(r, dict) and str(r.get("instId")) == inst_id:
-                return r
-    except Exception:
-        return None
+    last_err: BaseException | None = None
+    for attempt in range(3):
+        try:
+            rows = ex.public_get_public_instruments(
+                {"instType": "OPTION", "instFamily": family, "instId": inst_id}
+            ).get("data") or []
+            if rows and isinstance(rows[0], dict):
+                return rows[0]
+            rows = ex.public_get_public_instruments(
+                {"instType": "OPTION", "instFamily": family}
+            ).get("data") or []
+            for r in rows:
+                if isinstance(r, dict) and str(r.get("instId")) == inst_id:
+                    return r
+            return None
+        except Exception as e:
+            last_err = e
+            if _is_okx_rate_limit(e) and attempt < 2:
+                time.sleep(0.45 * (attempt + 1))
+                continue
+            break
+    if last_err is not None and _is_okx_rate_limit(last_err):
+        try:
+            t_rows = ex.public_get_market_ticker({"instId": inst_id}).get("data") or []
+            if t_rows:
+                return _meta_from_inst_id_fallback(inst_id)
+        except Exception:
+            pass
     return None
 
 
@@ -747,9 +785,25 @@ def quote_option_contract(ex: ccxt.okx, inst_id: str) -> dict[str, Any]:
         return {"ok": False, "msg": "缺少 inst_id"}
     try:
         meta = fetch_option_instrument_meta(ex, inst_id)
+        t_rows: list[Any] = []
+        ticker_err: BaseException | None = None
+        for attempt in range(3):
+            try:
+                t_rows = ex.public_get_market_ticker({"instId": inst_id}).get("data") or []
+                ticker_err = None
+                break
+            except Exception as e:
+                ticker_err = e
+                if _is_okx_rate_limit(e) and attempt < 2:
+                    time.sleep(0.45 * (attempt + 1))
+                    continue
+                break
+        if not meta and t_rows:
+            meta = _meta_from_inst_id_fallback(inst_id)
         if not meta:
+            if ticker_err is not None and _is_okx_rate_limit(ticker_err):
+                return {"ok": False, "msg": "行情限频,请稍后重试"}
             return {"ok": False, "msg": "合约不存在"}
-        t_rows = ex.public_get_market_ticker({"instId": inst_id}).get("data") or []
         t = t_rows[0] if t_rows else {}
         ask = _safe_float(t.get("askPx"))
         bid = _safe_float(t.get("bidPx"))
diff --git a/lib/options/templates/options_panel.html b/lib/options/templates/options_panel.html
index 7a32bfc..18de9d2 100644
--- a/lib/options/templates/options_panel.html
+++ b/lib/options/templates/options_panel.html
@@ -273,4 +273,4 @@
     </div>
 </div>
 <script src="/static/options_expiry_countdown.js?v=1"></script>
-<script src="/static/options_panel.js?v=35"></script>
+<script src="/static/options_panel.js?v=36"></script>