diff --git a/backend/api/routes/account.py b/backend/api/routes/account.py
index 285337d..7e1f91b 100644
--- a/backend/api/routes/account.py
+++ b/backend/api/routes/account.py
@@ -89,6 +89,17 @@ async def get_realtime_account_data():
         except Exception as e:
             logger.error(f"  ✗ 币安API连接失败: {e}", exc_info=True)
             raise
+
+        # 读取持仓模式（单向/对冲），用于前端“重点说明/自检”
+        dual_side_position = None
+        position_mode = None
+        try:
+            mode_res = await client.client.futures_get_position_mode()
+            if isinstance(mode_res, dict):
+                dual_side_position = bool(mode_res.get("dualSidePosition"))
+                position_mode = "hedge" if dual_side_position else "one_way"
+        except Exception as e:
+            logger.warning(f"读取持仓模式失败（将显示为未知）: {e}")
         
         # 获取账户余额
         logger.info("步骤5: 获取账户余额...")
@@ -194,7 +205,10 @@ async def get_realtime_account_data():
             # 保证金占用（名义/杠杆汇总）
             "total_margin_value": total_margin_value,
             "total_pnl": total_pnl,
-            "open_positions": open_positions_count
+            "open_positions": open_positions_count,
+            # 账户持仓模式（重点：建议使用 one_way）
+            "position_mode": position_mode,
+            "dual_side_position": dual_side_position,
         }
         
         logger.info("=" * 60)
@@ -227,6 +241,7 @@ async def get_realtime_account():
 @router.get("/positions")
 async def get_realtime_positions():
     """获取实时持仓数据"""
+    client = None
     try:
         # 从数据库读取API密钥
         api_key = TradingConfig.get_value('BINANCE_API_KEY')
@@ -260,7 +275,6 @@ async def get_realtime_positions():
         logger.info("连接币安API获取持仓...")
         await client.connect()
         positions = await client.get_open_positions()
-        await client.disconnect()
         
         logger.info(f"获取到 {len(positions)} 个持仓")
         
@@ -311,25 +325,44 @@ async def get_realtime_positions():
             atr_value = None
             db_margin_usdt = None
             db_notional_usdt = None
+            entry_order_id = None
+            entry_order_type = None
             try:
                 from database.models import Trade
                 db_trades = Trade.get_by_symbol(pos.get('symbol'), status='open')
                 if db_trades:
-                    # 找到匹配的交易记录（通过symbol和entry_price匹配）
+                    # 找到匹配的交易记录（优先通过 entry_price 近似匹配；否则取最新一条 open 记录兜底）
+                    matched = None
                     for db_trade in db_trades:
-                        if abs(float(db_trade.get('entry_price', 0)) - entry_price) < 0.01:
-                            entry_time = db_trade.get('entry_time')
-                            # 尝试从数据库获取止损止盈价格（如果存储了）
-                            stop_loss_price = db_trade.get('stop_loss_price')
-                            take_profit_price = db_trade.get('take_profit_price')
-                            take_profit_1 = db_trade.get('take_profit_1')
-                            take_profit_2 = db_trade.get('take_profit_2')
-                            atr_value = db_trade.get('atr')
-                            db_margin_usdt = db_trade.get('margin_usdt')
-                            db_notional_usdt = db_trade.get('notional_usdt')
-                            break
+                        try:
+                            if abs(float(db_trade.get('entry_price', 0)) - entry_price) < 0.01:
+                                matched = db_trade
+                                break
+                        except Exception:
+                            continue
+                    if matched is None:
+                        matched = db_trades[0]
+
+                    entry_time = matched.get('entry_time')
+                    stop_loss_price = matched.get('stop_loss_price')
+                    take_profit_price = matched.get('take_profit_price')
+                    take_profit_1 = matched.get('take_profit_1')
+                    take_profit_2 = matched.get('take_profit_2')
+                    atr_value = matched.get('atr')
+                    db_margin_usdt = matched.get('margin_usdt')
+                    db_notional_usdt = matched.get('notional_usdt')
+                    entry_order_id = matched.get('entry_order_id')
             except Exception as e:
                 logger.debug(f"获取数据库信息失败: {e}")
+
+            # 如果数据库中有 entry_order_id，尝试从币安查询订单类型（LIMIT/MARKET）
+            if entry_order_id:
+                try:
+                    info = await client.client.futures_get_order(symbol=pos.get('symbol'), orderId=int(entry_order_id))
+                    if isinstance(info, dict):
+                        entry_order_type = info.get("type")
+                except Exception:
+                    entry_order_type = None
             
             # 如果没有从数据库获取到止损止盈价格，前端会自己计算
             # 注意：数据库可能没有存储止损止盈价格，这是正常的
@@ -357,6 +390,8 @@ async def get_realtime_positions():
                 "take_profit_1": take_profit_1,
                 "take_profit_2": take_profit_2,
                 "atr": atr_value,
+                "entry_order_id": entry_order_id,
+                "entry_order_type": entry_order_type,  # LIMIT / MARKET（用于仪表板展示“限价/市价”）
             })
         
         logger.info(f"格式化后 {len(formatted_positions)} 个有效持仓")
@@ -367,6 +402,13 @@ async def get_realtime_positions():
         error_msg = f"获取持仓数据失败: {str(e)}"
         logger.error(error_msg, exc_info=True)
         raise HTTPException(status_code=500, detail=error_msg)
+    finally:
+        # 确保断开连接（避免连接泄漏）
+        try:
+            if client is not None:
+                await client.disconnect()
+        except Exception:
+            pass
 
 
 @router.post("/positions/{symbol}/close")
diff --git a/frontend/src/components/StatsDashboard.css b/frontend/src/components/StatsDashboard.css
index 574e1e2..6fae898 100644
--- a/frontend/src/components/StatsDashboard.css
+++ b/frontend/src/components/StatsDashboard.css
@@ -54,6 +54,99 @@
   color: #34495e;
 }
 
+.dashboard-notice {
+  margin: 12px 0 18px;
+  padding: 14px 14px;
+  border-radius: 10px;
+  border: 1px solid #e9ecef;
+  background: #f8f9fa;
+}
+
+.dashboard-notice.important {
+  border-color: #ffe8a1;
+  background: #fff8db;
+}
+
+.notice-title {
+  font-weight: 700;
+  color: #7a5a00;
+  margin-bottom: 8px;
+}
+
+.notice-body {
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+  color: #5c4a00;
+  font-size: 13px;
+  line-height: 1.5;
+}
+
+.notice-row {
+  display: flex;
+  gap: 10px;
+  align-items: flex-start;
+}
+
+.notice-label {
+  min-width: 70px;
+  font-weight: 700;
+}
+
+.notice-value.ok {
+  color: #1e7e34;
+  font-weight: 700;
+}
+
+.notice-value.warn {
+  color: #b04a00;
+  font-weight: 700;
+}
+
+.notice-text {
+  color: #5c4a00;
+}
+
+.entry-type-summary {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 8px;
+  margin-bottom: 10px;
+}
+
+.entry-type-line {
+  margin-bottom: 6px;
+  color: #444;
+  font-size: 13px;
+}
+
+.entry-type-badge {
+  display: inline-block;
+  padding: 2px 8px;
+  border-radius: 999px;
+  font-size: 12px;
+  font-weight: 700;
+  border: 1px solid rgba(0,0,0,0.08);
+}
+
+.entry-type-badge.limit {
+  background: rgba(33, 150, 243, 0.12);
+  color: #1565c0;
+  border-color: rgba(21, 101, 192, 0.25);
+}
+
+.entry-type-badge.market {
+  background: rgba(255, 152, 0, 0.14);
+  color: #8a4f00;
+  border-color: rgba(138, 79, 0, 0.25);
+}
+
+.entry-type-badge.unknown {
+  background: rgba(158, 158, 158, 0.14);
+  color: #555;
+  border-color: rgba(0,0,0,0.18);
+}
+
 .account-info {
   display: flex;
   flex-direction: column;
diff --git a/frontend/src/components/StatsDashboard.jsx b/frontend/src/components/StatsDashboard.jsx
index 4ac138e..d923153 100644
--- a/frontend/src/components/StatsDashboard.jsx
+++ b/frontend/src/components/StatsDashboard.jsx
@@ -10,6 +10,17 @@ const StatsDashboard = () => {
   const [message, setMessage] = useState('')
   const [tradingConfig, setTradingConfig] = useState(null)
 
+  const getCfgVal = (key, fallback = null) => {
+    try {
+      const cfg = tradingConfig || {}
+      const item = cfg?.[key]
+      if (item && typeof item === 'object' && 'value' in item) return item.value
+      return fallback
+    } catch (e) {
+      return fallback
+    }
+  }
+
   useEffect(() => {
     loadDashboard()
     loadTradingConfig()
@@ -33,9 +44,9 @@ const StatsDashboard = () => {
     try {
       const data = await api.getDashboard()
       setDashboardData(data)
-      // 如果dashboard数据中包含配置，也更新配置状态
+      // dashboard 的 trading_config 可能是“子集”，不要覆盖完整配置；合并即可
       if (data.trading_config) {
-        setTradingConfig(data.trading_config)
+        setTradingConfig((prev) => ({ ...(prev || {}), ...(data.trading_config || {}) }))
       }
     } catch (error) {
       console.error('Failed to load dashboard:', error)
@@ -123,6 +134,16 @@ const StatsDashboard = () => {
 
   const account = dashboardData?.account
   const openTrades = dashboardData?.open_trades || []
+  const entryTypeCounts = openTrades.reduce(
+    (acc, t) => {
+      const tp = String(t?.entry_order_type || '').toUpperCase()
+      if (tp === 'LIMIT') acc.limit += 1
+      else if (tp === 'MARKET') acc.market += 1
+      else acc.unknown += 1
+      return acc
+    },
+    { limit: 0, market: 0, unknown: 0 }
+  )
 
   return (
     <div className="dashboard">
@@ -150,6 +171,38 @@ const StatsDashboard = () => {
           {message}
         </div>
       )}
+
+      <div className="dashboard-notice important">
+        <div className="notice-title">重要说明：币安账户请使用「单向持仓模式（One-way）」</div>
+        <div className="notice-body">
+          <div className="notice-row">
+            <span className="notice-label">当前检测:</span>
+            <span className={`notice-value ${account?.position_mode === 'one_way' ? 'ok' : 'warn'}`}>
+              {account?.position_mode === 'one_way'
+                ? '单向（推荐）'
+                : account?.position_mode === 'hedge'
+                ? '对冲（不推荐，容易出现 positionSide/mode 相关错误）'
+                : '未知（建议重启后端/交易系统后再看）'}
+            </span>
+          </div>
+          <div className="notice-row">
+            <span className="notice-label">操作指引:</span>
+            <span className="notice-text">
+              币安 U本位合约 → 偏好设置/设置 → 持仓模式(Position Mode) → 选择「单向」。切换通常要求当前无持仓/无挂单。
+            </span>
+          </div>
+          <div className="notice-row">
+            <span className="notice-label">入场逻辑:</span>
+            <span className="notice-text">
+              智能入场(方案C)：先限价回调入场，未成交会有限追价；趋势强时在偏离可控范围内可市价兜底（减少错过）。
+              当前配置：SMART_ENTRY_ENABLED={String(getCfgVal('SMART_ENTRY_ENABLED', true))}，
+              LIMIT_ORDER_OFFSET_PCT={String(getCfgVal('LIMIT_ORDER_OFFSET_PCT', '0.5'))}，
+              ENTRY_MAX_DRIFT_PCT_TRENDING={String(getCfgVal('ENTRY_MAX_DRIFT_PCT_TRENDING', '0.6'))}，
+              ENTRY_MAX_DRIFT_PCT_RANGING={String(getCfgVal('ENTRY_MAX_DRIFT_PCT_RANGING', '0.3'))}。
+            </span>
+          </div>
+        </div>
+      </div>
       
       <div className="dashboard-grid">
         <div className="dashboard-card">
@@ -184,6 +237,12 @@ const StatsDashboard = () => {
                 <span className="label">持仓数量:</span>
                 <span className="value">{account.open_positions}</span>
               </div>
+              <div className="info-item">
+                <span className="label">持仓模式:</span>
+                <span className={`value ${account.position_mode === 'one_way' ? 'positive' : 'negative'}`}>
+                  {account.position_mode === 'one_way' ? '单向' : account.position_mode === 'hedge' ? '对冲' : '未知'}
+                </span>
+              </div>
             </div>
           ) : (
             <div>暂无数据</div>
@@ -243,6 +302,11 @@ const StatsDashboard = () => {
 
         <div className="dashboard-card">
           <h3>当前持仓</h3>
+          <div className="entry-type-summary">
+            <span className="entry-type-badge limit">限价入场: {entryTypeCounts.limit}</span>
+            <span className="entry-type-badge market">市价入场: {entryTypeCounts.market}</span>
+            <span className="entry-type-badge unknown">未知: {entryTypeCounts.unknown}</span>
+          </div>
           {openTrades.length > 0 ? (
             <div className="trades-list">
               {openTrades.map((trade, index) => {
@@ -396,6 +460,25 @@ const StatsDashboard = () => {
                       {trade.side}
                     </div>
                     <div className="trade-info">
+                      <div className="entry-type-line">
+                        入场类型:{' '}
+                        <span
+                          className={`entry-type-badge ${
+                            String(trade.entry_order_type || '').toUpperCase() === 'LIMIT'
+                              ? 'limit'
+                              : String(trade.entry_order_type || '').toUpperCase() === 'MARKET'
+                              ? 'market'
+                              : 'unknown'
+                          }`}
+                          title="来自币安 entry_order_id 查询的订单类型"
+                        >
+                          {String(trade.entry_order_type || '').toUpperCase() === 'LIMIT'
+                            ? '限价'
+                            : String(trade.entry_order_type || '').toUpperCase() === 'MARKET'
+                            ? '市价'
+                            : '未知'}
+                        </span>
+                      </div>
                       <div>数量: {parseFloat(trade.quantity || 0).toFixed(4)}</div>
                       <div>名义: {entryValue >= 0.01 ? entryValue.toFixed(2) : entryValue.toFixed(4)} USDT</div>
                       <div>保证金: {margin >= 0.01 ? margin.toFixed(2) : margin.toFixed(4)} USDT</div>