diff --git a/lib/common/static/instance_theme.css b/lib/common/static/instance_theme.css
index 26ba58c..c10a42e 100644
--- a/lib/common/static/instance_theme.css
+++ b/lib/common/static/instance_theme.css
@@ -3330,6 +3330,9 @@ html[data-theme="light"] .options-estimate-row {
 .opt-error {
   color: #ff6b6b;
 }
+.opt-success {
+  color: #3ecf8e;
+}
 .opt-row-actions {
   white-space: nowrap;
 }
diff --git a/lib/common/static/options_settings.js b/lib/common/static/options_settings.js
index 5464b88..2ba297f 100644
--- a/lib/common/static/options_settings.js
+++ b/lib/common/static/options_settings.js
@@ -4,6 +4,10 @@
   const root = document.getElementById("options-settings-root");
   if (!root) return;
 
+  const SWAP_BTNS = ["opt-set-swap-btn", "opt-set-swap-all-btn"];
+  const INT_BTNS = ["opt-set-int-btn", "opt-set-int-all-btn"];
+  const CROSS_BTNS = ["opt-set-cross-btn", "opt-set-cross-all-btn"];
+
   async function apiJson(url, opts) {
     const r = await fetch(url, Object.assign({ credentials: "same-origin" }, opts || {}));
     return r.json();
@@ -22,16 +26,66 @@
     if (!el) return;
     el.textContent = text || "";
     el.classList.toggle("opt-error", !!isErr);
+    el.classList.toggle("opt-success", !!text && !isErr);
   }
 
-  function floorAmount(v) {
+  function fmtAmt(amount, ccy) {
+    return `${Number(amount).toFixed(2)} ${ccy}`;
+  }
+
+  function accountLabel(acct) {
+    return acct === "trading" ? "交易账户" : "资金账户";
+  }
+
+  function swapDirLabel(dir) {
+    return dir === "usdc_to_usdt" ? "USDC → USDT" : "USDT → USDC";
+  }
+
+  function confirmOk(message) {
+    return window.confirm(message);
+  }
+
+  function setButtonsBusy(btnIds, busy, busyText) {
+    btnIds.forEach(function (id) {
+      const btn = document.getElementById(id);
+      if (!btn) return;
+      if (busy) {
+        if (!btn.dataset.origText) btn.dataset.origText = btn.textContent;
+        btn.disabled = true;
+        if (busyText) btn.textContent = busyText;
+      } else {
+        btn.disabled = false;
+        if (btn.dataset.origText) {
+          btn.textContent = btn.dataset.origText;
+          delete btn.dataset.origText;
+        }
+      }
+    });
+    const amountIds = {
+      "opt-set-swap-btn": "opt-set-swap-amount",
+      "opt-set-swap-all-btn": "opt-set-swap-amount",
+      "opt-set-int-btn": "opt-set-int-amount",
+      "opt-set-int-all-btn": "opt-set-int-amount",
+      "opt-set-cross-btn": "opt-set-cross-amount",
+      "opt-set-cross-all-btn": "opt-set-cross-amount",
+    };
+    btnIds.forEach(function (id) {
+      const input = document.getElementById(amountIds[id]);
+      if (input) input.disabled = busy;
+    });
+  }
+
+  function roundAvail(v) {
     const n = Number(v);
     if (!Number.isFinite(n) || n <= 0) return null;
-    return Math.floor(n * 100) / 100;
+    return Math.round(n * 100) / 100;
   }
 
-  async function loadBalances(force) {
-    const q = force ? "?force=1" : "";
+  async function loadBalances(force, scope) {
+    const parts = [];
+    if (force) parts.push("force=1");
+    if (scope && scope !== "main") parts.push("scope=" + encodeURIComponent(scope));
+    const q = parts.length ? "?" + parts.join("&") : "";
     const d = await apiJson("/api/options/balances" + q);
     if (!d.ok) throw new Error(d.msg || "余额拉取失败");
     return d;
@@ -39,26 +93,42 @@
 
   function pickBalance(bal, account, ccy) {
     const acct = account === "trading" ? "trading" : "funding";
-    const key = acct + "_" + String(ccy || "").toLowerCase();
-    return floorAmount(bal[key]);
+    const c = String(ccy || "").toLowerCase();
+    const availKey = acct + "_" + c + "_avail";
+    const totalKey = acct + "_" + c;
+    return roundAvail(bal[availKey] != null ? bal[availKey] : bal[totalKey]);
   }
 
-  async function resolveMaxAmount(account, ccy) {
-    const bal = await loadBalances(true);
+  async function resolveMaxAmount(account, ccy, scope) {
+    const bal = await loadBalances(true, scope || "main");
     return pickBalance(bal, account, ccy);
   }
 
   async function submitSwap(amount) {
-    const d = await apiJson("/api/options/spot/swap", {
-      method: "POST",
-      headers: { "Content-Type": "application/json" },
-      body: JSON.stringify({
-        direction: document.getElementById("opt-set-swap-dir").value,
-        amount: amount,
-      }),
-    });
-    setMsg("opt-set-swap-msg", d.ok ? "兑换单已提交" : (d.msg || "失败"), !d.ok);
-    if (d.ok && typeof refreshAccountSnapshot === "function") refreshFundsAfterMutation();
+    setButtonsBusy(SWAP_BTNS, true, "兑换中…");
+    setMsg("opt-set-swap-msg", "兑换中，市价成交可能有延时…", false);
+    try {
+      const d = await apiJson("/api/options/spot/swap", {
+        method: "POST",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify({
+          direction: document.getElementById("opt-set-swap-dir").value,
+          amount: amount,
+        }),
+      });
+      if (d.ok) {
+        setMsg("opt-set-swap-msg", "兑换成功", false);
+        refreshFundsAfterMutation();
+      } else {
+        setMsg("opt-set-swap-msg", "兑换失败：" + (d.msg || "未知错误"), true);
+      }
+      return d;
+    } catch (e) {
+      setMsg("opt-set-swap-msg", "兑换失败：" + (e.message || "网络错误"), true);
+      return { ok: false };
+    } finally {
+      setButtonsBusy(SWAP_BTNS, false);
+    }
   }
 
   const swapBtn = document.getElementById("opt-set-swap-btn");
@@ -79,32 +149,52 @@
       try {
         const dir = document.getElementById("opt-set-swap-dir").value;
         const ccy = dir === "usdc_to_usdt" ? "USDC" : "USDT";
-        const amount = await resolveMaxAmount("funding", ccy);
+        const amount = await resolveMaxAmount("funding", ccy, "main");
         if (!amount) {
           setMsg("opt-set-swap-msg", "资金账户可用余额不足", true);
           return;
         }
+        const msg =
+          "确认全部兑换？\n\n" +
+          "方向：" + swapDirLabel(dir) + "\n" +
+          "金额：" + fmtAmt(amount, ccy) + "\n\n" +
+          "将兑换资金账户全部可用余额。市价成交可能有延时，请确认。";
+        if (!confirmOk(msg)) return;
         document.getElementById("opt-set-swap-amount").value = String(amount);
         await submitSwap(amount);
       } catch (e) {
-        setMsg("opt-set-swap-msg", e.message || "余额拉取失败", true);
+        setMsg("opt-set-swap-msg", "兑换失败：" + (e.message || "余额拉取失败"), true);
       }
     });
   }
 
   async function submitInternalTransfer(amount) {
-    const d = await apiJson("/api/options/transfer", {
-      method: "POST",
-      headers: { "Content-Type": "application/json" },
-      body: JSON.stringify({
-        ccy: document.getElementById("opt-set-int-ccy").value,
-        from: document.getElementById("opt-set-int-from").value,
-        to: document.getElementById("opt-set-int-to").value,
-        amount: amount,
-      }),
-    });
-    setMsg("opt-set-int-msg", d.ok ? "划转成功" : (d.msg || "失败"), !d.ok);
-    if (d.ok && typeof refreshAccountSnapshot === "function") refreshFundsAfterMutation();
+    setButtonsBusy(INT_BTNS, true, "划转中…");
+    setMsg("opt-set-int-msg", "划转中…", false);
+    try {
+      const d = await apiJson("/api/options/transfer", {
+        method: "POST",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify({
+          ccy: document.getElementById("opt-set-int-ccy").value,
+          from: document.getElementById("opt-set-int-from").value,
+          to: document.getElementById("opt-set-int-to").value,
+          amount: amount,
+        }),
+      });
+      if (d.ok) {
+        setMsg("opt-set-int-msg", "划转成功", false);
+        refreshFundsAfterMutation();
+      } else {
+        setMsg("opt-set-int-msg", "划转失败：" + (d.msg || "未知错误"), true);
+      }
+      return d;
+    } catch (e) {
+      setMsg("opt-set-int-msg", "划转失败：" + (e.message || "网络错误"), true);
+      return { ok: false };
+    } finally {
+      setButtonsBusy(INT_BTNS, false);
+    }
   }
 
   const intBtn = document.getElementById("opt-set-int-btn");
@@ -125,33 +215,56 @@
       try {
         const ccy = document.getElementById("opt-set-int-ccy").value;
         const from = document.getElementById("opt-set-int-from").value;
-        const amount = await resolveMaxAmount(from, ccy);
+        const to = document.getElementById("opt-set-int-to").value;
+        const amount = await resolveMaxAmount(from, ccy, "main");
         if (!amount) {
           setMsg("opt-set-int-msg", "划出账户可用余额不足", true);
           return;
         }
+        const msg =
+          "确认全部划转？\n\n" +
+          "币种：" + ccy + "\n" +
+          "划出：" + accountLabel(from) + "\n" +
+          "划入：" + accountLabel(to) + "\n" +
+          "金额：" + fmtAmt(amount, ccy) + "\n\n" +
+          "将划转该账户全部可用余额。";
+        if (!confirmOk(msg)) return;
         document.getElementById("opt-set-int-amount").value = String(amount);
         await submitInternalTransfer(amount);
       } catch (e) {
-        setMsg("opt-set-int-msg", e.message || "余额拉取失败", true);
+        setMsg("opt-set-int-msg", "划转失败：" + (e.message || "余额拉取失败"), true);
       }
     });
   }
 
   async function submitCrossTransfer(amount) {
-    const d = await apiJson("/api/options/cross-transfer", {
-      method: "POST",
-      headers: { "Content-Type": "application/json" },
-      body: JSON.stringify({
-        ccy: document.getElementById("opt-set-cross-ccy").value,
-        amount: amount,
-        from_account: document.getElementById("opt-set-cross-from").value,
-        to_account: document.getElementById("opt-set-cross-to").value,
-        direction: document.getElementById("opt-set-cross-dir").value,
-      }),
-    });
-    setMsg("opt-set-cross-msg", d.ok ? "划转成功" : (d.msg || "失败"), !d.ok);
-    if (d.ok && typeof refreshAccountSnapshot === "function") refreshFundsAfterMutation();
+    setButtonsBusy(CROSS_BTNS, true, "划转中…");
+    setMsg("opt-set-cross-msg", "划转中…", false);
+    try {
+      const d = await apiJson("/api/options/cross-transfer", {
+        method: "POST",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify({
+          ccy: document.getElementById("opt-set-cross-ccy").value,
+          amount: amount,
+          from_account: document.getElementById("opt-set-cross-from").value,
+          to_account: document.getElementById("opt-set-cross-to").value,
+          direction: document.getElementById("opt-set-cross-dir").value,
+        }),
+      });
+      if (d.ok) {
+        setMsg("opt-set-cross-msg", "划转成功", false);
+        refreshFundsAfterMutation();
+      } else {
+        setMsg("opt-set-cross-msg", "划转失败：" + (d.msg || "未知错误"), true);
+      }
+      return d;
+    } catch (e) {
+      setMsg("opt-set-cross-msg", "划转失败：" + (e.message || "网络错误"), true);
+      return { ok: false };
+    } finally {
+      setButtonsBusy(CROSS_BTNS, false);
+    }
   }
 
   const crossBtn = document.getElementById("opt-set-cross-btn");
@@ -172,15 +285,28 @@
       try {
         const ccy = document.getElementById("opt-set-cross-ccy").value;
         const from = document.getElementById("opt-set-cross-from").value;
-        const amount = await resolveMaxAmount(from, ccy);
+        const to = document.getElementById("opt-set-cross-to").value;
+        const direction = document.getElementById("opt-set-cross-dir").value;
+        const scope = direction === "sub_to_main" ? "sub" : "main";
+        const sideLabel = direction === "sub_to_main" ? "子账户" : "主账户";
+        const amount = await resolveMaxAmount(from, ccy, scope);
         if (!amount) {
-          setMsg("opt-set-cross-msg", "划出账户可用余额不足", true);
+          setMsg("opt-set-cross-msg", sideLabel + "划出账户可用余额不足", true);
           return;
         }
+        const msg =
+          "确认全部划转？\n\n" +
+          "方向：" + (direction === "main_to_sub" ? "主 → 子" : "子 → 主") + "\n" +
+          "币种：" + ccy + "\n" +
+          "划出：" + sideLabel + " · " + accountLabel(from) + "\n" +
+          "划入：" + (direction === "main_to_sub" ? "子账户" : "主账户") + " · " + accountLabel(to) + "\n" +
+          "金额：" + fmtAmt(amount, ccy) + "\n\n" +
+          "将划转该账户全部可用余额。";
+        if (!confirmOk(msg)) return;
         document.getElementById("opt-set-cross-amount").value = String(amount);
         await submitCrossTransfer(amount);
       } catch (e) {
-        setMsg("opt-set-cross-msg", e.message || "余额拉取失败", true);
+        setMsg("opt-set-cross-msg", "划转失败：" + (e.message || "余额拉取失败"), true);
       }
     });
   }
diff --git a/lib/exchange/okx_options_lib.py b/lib/exchange/okx_options_lib.py
index 9de50d7..ecc9fae 100644
--- a/lib/exchange/okx_options_lib.py
+++ b/lib/exchange/okx_options_lib.py
@@ -384,6 +384,21 @@ def fetch_option_instrument_meta(ex: ccxt.okx, inst_id: str) -> dict[str, Any] |
     return None
 
 
+def _extract_ccy_free(balance: dict[str, Any], ccy: str) -> float | None:
+    ccy = (ccy or "").upper()
+    if not isinstance(balance, dict):
+        return None
+    info = balance.get(ccy)
+    if isinstance(info, dict):
+        v = _safe_float(info.get("free"))
+        if v is not None:
+            return v
+    free_map = balance.get("free") or {}
+    if isinstance(free_map, dict):
+        return _safe_float(free_map.get(ccy))
+    return None
+
+
 def _extract_ccy_balance(balance: dict[str, Any], ccy: str) -> float | None:
     ccy = (ccy or "").upper()
     if not isinstance(balance, dict):
@@ -407,40 +422,91 @@ def _extract_ccy_balance(balance: dict[str, Any], ccy: str) -> float | None:
     return None
 
 
-def fetch_account_balances_by_type(ex: ccxt.okx, account_type: str) -> dict[str, float | None]:
+def fetch_account_balances_by_type(
+    ex: ccxt.okx,
+    account_type: str,
+) -> tuple[dict[str, float | None], dict[str, float | None]]:
     out: dict[str, float | None] = {"USDT": None, "USDC": None, "USDG": None}
+    avail: dict[str, float | None] = {"USDT": None, "USDC": None, "USDG": None}
     try:
         bal = ex.fetch_balance(params={"type": account_type})
         for c in out:
             out[c] = _extract_ccy_balance(bal, c)
+            avail[c] = _extract_ccy_free(bal, c)
+    except Exception:
+        pass
+    return out, avail
+
+
+def fetch_subaccount_asset_balances(ex: ccxt.okx, sub_acct: str) -> dict[str, float | None]:
+    """子账户各币种可用余额(主/子划转「全部」用)."""
+    sub = (sub_acct or "").strip()
+    out: dict[str, float | None] = {"USDT": None, "USDC": None}
+    if not sub:
+        return out
+    try:
+        resp = ex.private_get_asset_subaccount_balances({"subAcct": sub})
+        for row in (resp or {}).get("data") or []:
+            if not isinstance(row, dict):
+                continue
+            ccy = str(row.get("ccy") or "").upper()
+            if ccy not in out:
+                continue
+            out[ccy] = _safe_float(row.get("availBal")) or _safe_float(row.get("bal"))
     except Exception:
         pass
     return out
 
 
-def fetch_options_balances(ex: ccxt.okx, *, force: bool = False) -> dict[str, Any]:
+def fetch_options_balances(
+    ex: ccxt.okx,
+    *,
+    force: bool = False,
+    scope: str = "main",
+    sub_acct: str = "",
+) -> dict[str, Any]:
     import os
 
+    if (scope or "").strip().lower() == "sub":
+        sub_bal = fetch_subaccount_asset_balances(ex, sub_acct)
+        return {
+            "scope": "sub",
+            "funding_usdt": sub_bal.get("USDT"),
+            "funding_usdc": sub_bal.get("USDC"),
+            "funding_usdt_avail": sub_bal.get("USDT"),
+            "funding_usdc_avail": sub_bal.get("USDC"),
+            "trading_usdt": sub_bal.get("USDT"),
+            "trading_usdc": sub_bal.get("USDC"),
+            "trading_usdt_avail": sub_bal.get("USDT"),
+            "trading_usdc_avail": sub_bal.get("USDC"),
+        }
+
     ttl = float(os.getenv("OKX_OPTIONS_BALANCE_REFRESH_SEC", "30"))
     now = time.time()
     cached = _OPTIONS_BALANCE_CACHE.get("data")
     if not force and cached is not None and now - float(_OPTIONS_BALANCE_CACHE.get("updated_at") or 0) < ttl:
         return dict(cached)
 
-    funding = fetch_account_balances_by_type(ex, "funding")
-    trading = fetch_account_balances_by_type(ex, "trading")
-    # 统一账户部分 USDC 可能在 swap 类型
+    funding, funding_avail = fetch_account_balances_by_type(ex, "funding")
+    trading, trading_avail = fetch_account_balances_by_type(ex, "trading")
     if trading.get("USDC") is None:
-        swap_bal = fetch_account_balances_by_type(ex, "swap")
+        swap_bal, swap_avail = fetch_account_balances_by_type(ex, "swap")
         if swap_bal.get("USDC") is not None:
             trading["USDC"] = swap_bal["USDC"]
+        if trading_avail.get("USDC") is None and swap_avail.get("USDC") is not None:
+            trading_avail["USDC"] = swap_avail["USDC"]
     result = {
+        "scope": "main",
         "funding_usdt": funding.get("USDT"),
         "funding_usdc": funding.get("USDC"),
         "funding_usdg": funding.get("USDG"),
+        "funding_usdt_avail": funding_avail.get("USDT"),
+        "funding_usdc_avail": funding_avail.get("USDC"),
         "trading_usdt": trading.get("USDT"),
         "trading_usdc": trading.get("USDC"),
         "trading_usdg": trading.get("USDG"),
+        "trading_usdt_avail": trading_avail.get("USDT"),
+        "trading_usdc_avail": trading_avail.get("USDC"),
     }
     _OPTIONS_BALANCE_CACHE["updated_at"] = now
     _OPTIONS_BALANCE_CACHE["data"] = result
diff --git a/lib/instance/templates/embed_shell.html b/lib/instance/templates/embed_shell.html
index c88b071..d83cc75 100644
--- a/lib/instance/templates/embed_shell.html
+++ b/lib/instance/templates/embed_shell.html
@@ -7,7 +7,7 @@
     <link rel="stylesheet" href="/static/instance_theme_early.css?v=4">
     <link rel="stylesheet" href="/static/account_risk_badge.css?v=4">
     <link rel="stylesheet" href="/static/instance_page.css?v=6">
-    <link rel="stylesheet" href="/static/instance_theme.css?v=79">
+    <link rel="stylesheet" href="/static/instance_theme.css?v=80">
     <script src="/static/account_risk_badge.js?v=4"></script>
     <meta name="theme-color" content="#0b0d14">
     <title>{{ exchange_display }} · 加密货币 | 交易监控复盘系统</title>
diff --git a/lib/instance/templates/index.html b/lib/instance/templates/index.html
index 4868b66..7da4f15 100644
--- a/lib/instance/templates/index.html
+++ b/lib/instance/templates/index.html
@@ -17,7 +17,7 @@
     <link rel="manifest" href="/static/icons/manifest.webmanifest">
     <title>{{ exchange_display }} · 加密货币 | 交易监控复盘系统</title>
     <link rel="stylesheet" href="/static/instance_page.css?v=3">
-    <link rel="stylesheet" href="/static/instance_theme.css?v=79">
+    <link rel="stylesheet" href="/static/instance_theme.css?v=80">
 
 </head>
 <body
diff --git a/lib/options/options_register.py b/lib/options/options_register.py
index 510af5d..99b124d 100644
--- a/lib/options/options_register.py
+++ b/lib/options/options_register.py
@@ -296,7 +296,13 @@ def register_options_routes(app: Flask, cfg: dict[str, Any]) -> None:
         if ex is None:
             return jsonify({"ok": False, "msg": err})
         force = (request.args.get("force") or "").strip().lower() in ("1", "true", "yes")
-        bal = cfg["fetch_options_balances"](ex, force=force)
+        scope = (request.args.get("scope") or "main").strip().lower()
+        bal = cfg["fetch_options_balances"](
+            ex,
+            force=force,
+            scope=scope,
+            sub_acct=cfg.get("sub_account_name") or "",
+        )
         return jsonify({"ok": True, **bal, "trade_budget": cfg["trade_budget"]})
 
     @app.route("/api/options/chain")
diff --git a/lib/options/templates/options_settings_panel.html b/lib/options/templates/options_settings_panel.html
index ad39998..e10bdbe 100644
--- a/lib/options/templates/options_settings_panel.html
+++ b/lib/options/templates/options_settings_panel.html
@@ -1,4 +1,4 @@
 {# 期权设置脚本挂载点(卡片在 settings_panel 中拆分) #}
 <div id="options-settings-root" hidden
      data-sub-account="{{ instance_settings.options_sub_account | default('', true) }}"></div>
-<script src="/static/options_settings.js?v=7"></script>
+<script src="/static/options_settings.js?v=8"></script>