diff --git a/backend/app/strategy/engine.py b/backend/app/strategy/engine.py
index c2ad36d..dbf9a0d 100644
--- a/backend/app/strategy/engine.py
+++ b/backend/app/strategy/engine.py
@@ -114,11 +114,6 @@ class StrategyEngine:
                 "funds_ok": False,
                 "leverage": leverage,
             }
-        if open_cap.get("perp_can_open") is False or open_cap.get("option_can_open") is False:
-            try:
-                maybe_notify_funds_short(open_cap)
-            except Exception:
-                pass
         return {
             "running": bool(row["running"]),
             "phase": row["phase"],
diff --git a/backend/app/strategy/open_capacity.py b/backend/app/strategy/open_capacity.py
index 8d5f77d..990976c 100644
--- a/backend/app/strategy/open_capacity.py
+++ b/backend/app/strategy/open_capacity.py
@@ -1,4 +1,4 @@
-"""开仓资金可开判定：永续保证金 + 期权权利金。"""
+"""开仓资金可开判定：只看交易账户（永续 USDT / 期权 USDC）。"""
 
 from __future__ import annotations
 
@@ -16,9 +16,8 @@ logger = logging.getLogger(__name__)
 _live_bal_cache: dict[str, Any] = {"ts": 0.0, "data": None}
 _LIVE_BAL_TTL_SEC = 8.0
 
-_last_notify_key: str | None = None
-_last_notify_ms: float = 0.0
-_NOTIFY_DEDUP_SEC = 600.0  # 同状态 10 分钟内不重复推
+# 不足期间只推一次；资金恢复后清零，下次再不足可再推一次
+_notified_while_short: bool = False
 
 
 def _f(v: Any) -> float | None:
@@ -57,9 +56,7 @@ def _live_balances() -> dict[str, float | None]:
     if _live_bal_cache["data"] is not None and now - float(_live_bal_cache["ts"]) < _LIVE_BAL_TTL_SEC:
         return dict(_live_bal_cache["data"])
     out: dict[str, float | None] = {
-        "funding_usdt": None,
         "trading_usdt": None,
-        "funding_usdc": None,
         "trading_usdc": None,
     }
     try:
@@ -68,8 +65,8 @@ def _live_balances() -> dict[str, float | None]:
         client = OkxFundsClient()
         try:
             bal = client.fetch_balances()
-            for k in out:
-                out[k] = _f(bal.get(k))
+            out["trading_usdt"] = _f(bal.get("trading_usdt"))
+            out["trading_usdc"] = _f(bal.get("trading_usdc"))
         finally:
             client.close()
     except Exception as e:
@@ -80,31 +77,21 @@ def _live_balances() -> dict[str, float | None]:
 
 
 def _sim_balances(db: Database) -> dict[str, float]:
+    """只看交易账户，不看资金账户。"""
     w = SimFundsWallets(db).view()
-    led = Ledger(db).snapshot()
-    avail = float(led.get("available") or 0)
-    trading_usdt = float(w.get("trading_usdt") or 0)
-    trading_usdc = float(w.get("trading_usdc") or 0)
-    # 未划转到交易账户时回退账本可用（兼容旧 SIM）
-    if trading_usdt < 1e-9 and trading_usdc < 1e-9 and avail > 1e-9:
-        return {
-            "perp_usdt": avail,
-            "option_usdc": avail,
-            "ledger_available": avail,
-        }
     return {
-        "perp_usdt": trading_usdt,
-        "option_usdc": trading_usdc,
-        "ledger_available": avail,
+        "perp_usdt": float(w.get("trading_usdt") or 0),
+        "option_usdc": float(w.get("trading_usdc") or 0),
     }
 
 
 def assess_open_capacity(db: Database | None = None) -> dict[str, Any]:
     """
-    返回永续/期权是否有足够资金开新仓。
-    - 永续：需 USDT >= 名义/杠杆
-    - 期权：需 USDC(或 SIM 回退可用) >= 卖一×名义×(1+费率)
+    返回永续/期权是否有足够交易账户资金开新仓。
+    - 永续：交易账户 USDT >= 名义/杠杆
+    - 期权：交易账户 USDC >= 卖一×名义×(1+费率)
     """
+    global _notified_while_short
     db = db or get_db()
     s = get_settings()
     ledger = Ledger(db)
@@ -127,7 +114,6 @@ def assess_open_capacity(db: Database | None = None) -> dict[str, Any]:
         have_opt = float(bal["option_usdc"])
     else:
         live = _live_balances()
-        # OKX：永续与期权都在交易账户
         t_usdt = live.get("trading_usdt")
         t_usdc = live.get("trading_usdc")
         have_perp = float(t_usdt) if t_usdt is not None else None
@@ -145,6 +131,11 @@ def assess_open_capacity(db: Database | None = None) -> dict[str, Any]:
     else:
         opt_ok = have_opt + 1e-9 >= premium_need
 
+    funds_ok = perp_ok is True and opt_ok is True
+    # 资金恢复后允许下次不足再通知一次
+    if funds_ok:
+        _notified_while_short = False
+
     lev_i = int(round(lev)) if abs(lev - round(lev)) < 1e-9 else lev
     if perp_ok is True:
         perp_label = f"永续{lev_i}x 可开"
@@ -174,43 +165,43 @@ def assess_open_capacity(db: Database | None = None) -> dict[str, Any]:
         "option_can_open": opt_ok,
         "perp_label": perp_label,
         "option_label": opt_label,
-        "funds_ok": (perp_ok is True and opt_ok is True),
+        "funds_ok": funds_ok,
+        "source": "trading",
     }
 
 
 def maybe_notify_funds_short(cap: dict[str, Any] | None = None) -> None:
-    """资金不足时企业微信推送（去重）。"""
-    global _last_notify_key, _last_notify_ms
+    """交易账户资金不足时企业微信推送：不足期间只推一次。"""
+    global _notified_while_short
     cap = cap or assess_open_capacity()
+    short = cap.get("perp_can_open") is False or cap.get("option_can_open") is False
+    if not short:
+        _notified_while_short = False
+        return
+    if _notified_while_short:
+        return
+    _notified_while_short = True
     parts: list[str] = []
     if cap.get("perp_can_open") is False:
         parts.append(
-            f"永续不足：需约 {cap.get('perp_need_usdt')}U，现有 {cap.get('perp_have_usdt')}U"
+            f"交易账户 USDT 不足：需约 {cap.get('perp_need_usdt')}U，现有 {cap.get('perp_have_usdt')}U"
         )
     if cap.get("option_can_open") is False:
         parts.append(
-            f"期权不足：需约 {cap.get('option_need_usdc')}U，现有 {cap.get('option_have_usdc')}U"
+            f"交易账户 USDC 不足：需约 {cap.get('option_need_usdc')}U，现有 {cap.get('option_have_usdc')}U"
         )
-    if not parts:
-        return
-    key = "|".join(parts)
-    now = time.time()
-    if key == _last_notify_key and now - _last_notify_ms < _NOTIFY_DEDUP_SEC:
-        return
-    _last_notify_key = key
-    _last_notify_ms = now
     try:
         from ..notify import wecom
 
         wecom.notify_async(
             wecom.build_markdown(
                 tag=wecom.TAG_FAULT,
-                title="资金不足 · 无法开新仓",
+                title="交易账户资金不足 · 无法开新仓",
                 lines=[
                     f"**永续**: {cap.get('perp_label')}",
                     f"**期权**: {cap.get('option_label')}",
                     *[f"**详情**: {p}" for p in parts],
-                    "请划转/兑换后重试。",
+                    "请从资金账户划转到交易账户后重试。",
                 ],
             )
         )
diff --git a/docs/更新说明.md b/docs/更新说明.md
index 4c6c6da..f22810e 100644
--- a/docs/更新说明.md
+++ b/docs/更新说明.md
@@ -5,6 +5,16 @@
 
 ---
 
+## 2026-07-29 — 可开判定只看交易账户；不足只通知一次；去重标题
+
+### 变更
+
+1. 权益/杠杆可开判定仅看**交易账户** USDT/USDC（不再回退资金账户）。  
+2. 资金不足企业微信：**不足期间只推一次**，恢复后再次不足才再推；计划页轮询不再触发推送。  
+3. 去掉计划页「自动对冲计划」标题（与导航重复）。
+
+---
+
 ## 2026-07-29 — 资金条：USDT/USDC 两行 + 居中对齐
 
 ### 变更
diff --git a/frontend/src/pages/Plan.tsx b/frontend/src/pages/Plan.tsx
index 9e2c0cb..b820bd5 100644
--- a/frontend/src/pages/Plan.tsx
+++ b/frontend/src/pages/Plan.tsx
@@ -166,10 +166,6 @@ export default function PlanPage() {
 
   return (
     <div className="plan-page">
-      <div className="plan-desktop-head">
-        <h2 style={{ marginTop: 0 }}>自动对冲计划</h2>
-      </div>
-
       {/* 手机端一屏监控卡：状态 / 净利 / 倒计时 */}
       <section className="plan-mobile-hero" aria-label="监控摘要">
         <div className="plan-mobile-hero-top">