diff --git a/lib/common/static/hedge_plan.js b/lib/common/static/hedge_plan.js
index 16dfb8b..dd2ecf7 100644
--- a/lib/common/static/hedge_plan.js
+++ b/lib/common/static/hedge_plan.js
@@ -1120,12 +1120,17 @@
     if (!sel) return;
     const prev = sel.value;
     const isPoSel = sel.id === "hp-exp-select";
+    // 永期以期权为主:到期下拉按「最低剩余小时」过滤;期期下拉不过滤,保证明天到期可见
     const minH = isPoSel && isOptionPrimary() ? numInput("hp-min-hours", 36) : 0;
     sel.innerHTML = '<option value="">选择到期日</option>';
     let firstOk = null;
+    let skippedNear = 0;
     (chain.expiries || []).forEach(function (e) {
       const h = hoursFromExpMs(e.exp_time);
-      if (minH > 0 && h != null && h < minH) return;
+      if (minH > 0 && h != null && h < minH) {
+        skippedNear += 1;
+        return;
+      }
       const opt = document.createElement("option");
       opt.value = String(e.exp_time);
       const dt = new Date(Number(e.exp_time) < 1e12 ? Number(e.exp_time) * 1000 : Number(e.exp_time));
@@ -1137,18 +1142,18 @@
     if (!sel.value && firstOk) {
       sel.value = String(firstOk.exp_time);
     }
+    if (isPoSel && skippedNear > 0 && minH > 0) {
+      const tip = document.createElement("option");
+      tip.disabled = true;
+      tip.textContent = "(已隐藏 " + skippedNear + " 个不足 " + minH + "h 的到期 · 可改左侧最低剩余小时)";
+      sel.appendChild(tip);
+    }
   }
 
   async function loadChain() {
-    let url =
+    // 拉完整链(按 CHAIN_MAX_DTE);永期「最低剩余小时」只在左侧到期下拉里过滤,不影响期期看到明天到期
+    const url =
       "/api/hedge-plan/options-chain?underlying=" + encodeURIComponent(state.underlying);
-    if (isOptionPrimary()) {
-      url +=
-        "&option_primary=1&min_hours=" +
-        encodeURIComponent(String(numInput("hp-min-hours", 36))) +
-        "&strike_interval=" +
-        encodeURIComponent(String(numInput("hp-strike-interval", 15)));
-    }
     const d = await apiJson(url);
     state.chain = d;
     const idx = $("hp-index-line");
diff --git a/lib/env/env_schema.py b/lib/env/env_schema.py
index ec90c54..3c97723 100644
--- a/lib/env/env_schema.py
+++ b/lib/env/env_schema.py
@@ -92,6 +92,8 @@ HOT_RELOAD_EXACT = frozenset({
     "HEDGE_PLAN_SHOW_OPTIONS_OPTIONS",
     "OKX_SHOW_PERP_FUNDS",
     "OKX_OPTIONS_CHAIN_ASK_LIQ_FILTER_ENABLED",
+    "OKX_OPTIONS_CHAIN_MAX_DTE_DAYS",
+    "OKX_OPTIONS_MAX_DTE_DAYS",
     "OKX_OPTIONS_MAX_ACTIVE_POSITIONS",
     "OKX_TRADE_MODE",
     "MAX_ACTIVE_HEDGE_PLANS",
diff --git a/lib/env/env_ui_manifest.py b/lib/env/env_ui_manifest.py
index 48205a3..c220332 100644
--- a/lib/env/env_ui_manifest.py
+++ b/lib/env/env_ui_manifest.py
@@ -151,6 +151,16 @@ _OPTIONS_SECTION: dict[str, Any] = {
             "仅「单独期权」模式生效;默认 0=不限制;按交易所期权合约笔数计数,同合约加仓不占新笔数",
         ),
         ("OKX_OPTIONS_DEFAULT_UNDERLY", "默认标的", "如 ETH"),
+        (
+            "OKX_OPTIONS_CHAIN_MAX_DTE_DAYS",
+            "期权链展示天数",
+            "默认 14;下拉到期日只出现该天数内的合约(含明天)",
+        ),
+        (
+            "OKX_OPTIONS_MAX_DTE_DAYS",
+            "开仓最大剩余天数",
+            "默认 2;单独开期权时拒绝更远到期(与链展示天数独立)",
+        ),
         (
             "OKX_OPTIONS_CHAIN_ASK_LIQ_FILTER_ENABLED",
             "链上仅显示有卖一",
@@ -261,6 +271,8 @@ _RUNTIME_ENV_DEFAULTS: dict[str, str] = {
     "HEDGE_PLAN_SHOW_OPTIONS_OPTIONS": "true",
     "OKX_SHOW_PERP_FUNDS": "true",
     "OKX_OPTIONS_CHAIN_ASK_LIQ_FILTER_ENABLED": "true",
+    "OKX_OPTIONS_CHAIN_MAX_DTE_DAYS": "14",
+    "OKX_OPTIONS_MAX_DTE_DAYS": "2",
     "OKX_OPTIONS_MAX_ACTIVE_POSITIONS": "0",
     "OKX_TRADE_MODE": "options",
     "MAX_ACTIVE_HEDGE_PLANS": "1",
diff --git a/lib/hedge_plan/hedge_plan_register.py b/lib/hedge_plan/hedge_plan_register.py
index 02bbe22..32958b3 100644
--- a/lib/hedge_plan/hedge_plan_register.py
+++ b/lib/hedge_plan/hedge_plan_register.py
@@ -677,17 +677,25 @@ def register_hedge_plan_routes(app: Flask, cfg: dict[str, Any]) -> None:
         if ex is None:
             return jsonify({"ok": False, "msg": "期权交易所未初始化"}), 400
         u = (request.args.get("underlying") or cfg.get("default_underly") or "ETH").upper()
+        # 热更新:链展示天数每次读 env
+        chain_max_dte = float(
+            os.getenv("OKX_OPTIONS_CHAIN_MAX_DTE_DAYS")
+            or os.getenv("OKX_OPTIONS_MAX_DTE_DAYS")
+            or cfg.get("chain_max_dte")
+            or 14
+        )
         try:
             chain = cfg["build_option_chain"](
                 ex,
                 u,
-                max_dte_days=float(cfg.get("chain_max_dte") or 14),
+                max_dte_days=chain_max_dte,
                 itm_only=False,
                 itm_max_dist_usd=float(os.getenv("OKX_OPTIONS_ITM_MAX_DIST_USD") or "30"),
             )
         except Exception as e:
             return jsonify({"ok": False, "msg": f"拉取期权链失败: {e}"}), 500
-        # 以期权为主:可选最短剩余小时 / 行权间隔过滤(也回写 hours_to_expiry 供前端)
+        # 可选:永期以期权为主时按最低剩余小时/行权间隔过滤(仅当请求显式带 option_primary)
+        # 默认拉链不再带此过滤,避免期期看不到明天到期
         option_primary = (request.args.get("option_primary") or "").strip().lower() in (
             "1",
             "true",
@@ -744,7 +752,7 @@ def register_hedge_plan_routes(app: Flask, cfg: dict[str, Any]) -> None:
                 "ok": True,
                 **chain,
                 "underlying": u,
-                "chain_max_dte_days": cfg.get("chain_max_dte"),
+                "chain_max_dte_days": chain_max_dte,
                 "account_kind": "options",
                 "account_label": cfg.get("options_account_label") or "期权账户",
                 "account_note": "期权腿使用期权账户(交易 USDC)",
diff --git a/lib/hedge_plan/templates/hedge_plan_panel.html b/lib/hedge_plan/templates/hedge_plan_panel.html
index 5d4a532..de47b03 100644
--- a/lib/hedge_plan/templates/hedge_plan_panel.html
+++ b/lib/hedge_plan/templates/hedge_plan_panel.html
@@ -406,4 +406,4 @@
     </div>
   </div>
 </div>
-<script src="/static/hedge_plan.js?v=45"></script>
+<script src="/static/hedge_plan.js?v=46"></script>
diff --git a/lib/options/options_register.py b/lib/options/options_register.py
index b8e53fd..acf8684 100644
--- a/lib/options/options_register.py
+++ b/lib/options/options_register.py
@@ -364,11 +364,13 @@ def register_options_routes(app: Flask, cfg: dict[str, Any]) -> None:
         if ex is None:
             return jsonify({"ok": False, "msg": err})
         u = (request.args.get("underlying") or cfg["default_underly"]).upper()
+        # 热更新:链展示天数每次读 env,保存后刷新链即可
+        chain_max_dte = _env_float("OKX_OPTIONS_CHAIN_MAX_DTE_DAYS", float(cfg.get("chain_max_dte_days") or 14))
         try:
             chain = cfg["build_option_chain"](
                 ex,
                 u,
-                max_dte_days=cfg["chain_max_dte_days"],
+                max_dte_days=chain_max_dte,
                 itm_only=False,
                 itm_max_dist_usd=cfg["itm_max_dist"],
             )
@@ -385,7 +387,7 @@ def register_options_routes(app: Flask, cfg: dict[str, Any]) -> None:
                     "ok": False,
                     "msg": chain_err or "暂无到期日,请稍后点「刷新链」",
                     **chain,
-                    "chain_max_dte_days": cfg["chain_max_dte_days"],
+                    "chain_max_dte_days": chain_max_dte,
                     "ask_liq_filter_enabled": ask_liq_filter,
                     "budget_buffer": budget_buffer,
                     "trade_budget": cfg["trade_budget"],
@@ -395,7 +397,7 @@ def register_options_routes(app: Flask, cfg: dict[str, Any]) -> None:
             {
                 "ok": True,
                 **chain,
-                "chain_max_dte_days": cfg["chain_max_dte_days"],
+                "chain_max_dte_days": chain_max_dte,
                 "ask_liq_filter_enabled": ask_liq_filter,
                 "budget_buffer": budget_buffer,
                 "trade_budget": cfg["trade_budget"],