diff --git a/backend/api/routes/config.py b/backend/api/routes/config.py
index 898dca4..e083dc6 100644
--- a/backend/api/routes/config.py
+++ b/backend/api/routes/config.py
@@ -223,6 +223,12 @@ CORE_STRATEGY_CONFIG_DEFAULTS = {
         "category": "strategy",
         "description": "最小止盈距离（%）。例如 0.02 表示 2%。防止止盈过近。",
     },
+    "POSITION_DETAILED_LOG_ENABLED": {
+        "value": False,
+        "type": "boolean",
+        "category": "strategy",
+        "description": "是否启用持仓详细监控日志（记录每次检查的当前价/止损/止盈/ROE 等）。仅用于排查问题时临时打开，平时建议关闭以减少日志噪音。",
+    },
 }
 
 
diff --git a/backend/config_manager.py b/backend/config_manager.py
index 60582e9..67323df 100644
--- a/backend/config_manager.py
+++ b/backend/config_manager.py
@@ -907,6 +907,9 @@ class ConfigManager:
             'ENTRY_CONFIRM_TIMEOUT_SEC': eff_get('ENTRY_CONFIRM_TIMEOUT_SEC', 30),
             'ENTRY_MAX_DRIFT_PCT_TRENDING': eff_get('ENTRY_MAX_DRIFT_PCT_TRENDING', 0.006),
             'ENTRY_MAX_DRIFT_PCT_RANGING': eff_get('ENTRY_MAX_DRIFT_PCT_RANGING', 0.3),
+
+            # 持仓详细监控日志开关（用于排查问题时观察每次检查的当前价/目标价/ROE 等）
+            'POSITION_DETAILED_LOG_ENABLED': eff_get('POSITION_DETAILED_LOG_ENABLED', False),
             
             # 动态过滤优化
             'BETA_FILTER_ENABLED': eff_get('BETA_FILTER_ENABLED', True),  # 大盘共振过滤：BTC/ETH下跌时屏蔽多单
diff --git a/frontend/src/components/GlobalConfig.jsx b/frontend/src/components/GlobalConfig.jsx
index 6e2e124..8922d8f 100644
--- a/frontend/src/components/GlobalConfig.jsx
+++ b/frontend/src/components/GlobalConfig.jsx
@@ -440,6 +440,7 @@ const GlobalConfig = () => {
     ATR_STOP_LOSS_MULTIPLIER: { value: 3.0, type: 'number', category: 'risk', description: 'ATR 止损倍数（2026-02-12：3 减少噪音止损）。' },
     USE_FIXED_RISK_SIZING: { value: true, type: 'boolean', category: 'risk', description: '是否使用固定风险仓位计算（基于止损距离和账户余额）。' },
     FIXED_RISK_PERCENT: { value: 0.03, type: 'number', category: 'risk', description: '每笔交易固定风险百分比（如 0.01=1%）。' },
+    POSITION_DETAILED_LOG_ENABLED: { value: false, type: 'boolean', category: 'strategy', description: '是否启用持仓详细监控日志（记录每次检查的当前价/止损/止盈/ROE 等）。仅排查问题时临时打开，平时建议关闭。' },
     // 仓位/同步相关（保证全局配置页能看到）
     SYNC_RECOVER_MISSING_POSITIONS: { value: true, type: 'boolean', category: 'position', description: '同步时补建「币安有仓、DB 无记录」的交易记录。' },
     SYNC_RECOVER_ONLY_WHEN_HAS_SLTP: { value: true, type: 'boolean', category: 'position', description: '仅当该持仓存在止损/止盈单时才补建（未配置 SYSTEM_ORDER_ID_PREFIX 时生效）。' },
diff --git a/trading_system/config.py b/trading_system/config.py
index fc91086..73fba91 100644
--- a/trading_system/config.py
+++ b/trading_system/config.py
@@ -310,6 +310,9 @@ DEFAULT_TRADING_CONFIG = {
     'LIMIT_ORDER_OFFSET_PCT': 0.5,  # 限价单偏移百分比（默认0.5%）
     'MIN_HOLD_TIME_SEC': 0,  # 默认30分钟（1800秒），已取消
 
+    # 持仓监控详细日志：用于排查问题时观察每次检查的当前价/目标价/ROE 等
+    'POSITION_DETAILED_LOG_ENABLED': False,
+
     # ===== 系统单标识（用于同步时区分本系统开仓 vs 手动开仓）=====
     # 下单时写入 newClientOrderId = SYSTEM_ORDER_ID_PREFIX_时间戳_随机，同步/补建时根据订单 clientOrderId 前缀判断是否系统单
     'SYSTEM_ORDER_ID_PREFIX': 'SYS',
diff --git a/trading_system/position_manager.py b/trading_system/position_manager.py
index 7b25053..accaf42 100644
--- a/trading_system/position_manager.py
+++ b/trading_system/position_manager.py
@@ -1709,6 +1709,18 @@ class PositionManager:
                     pnl_percent_price = ((current_price - entry_price) / entry_price) * 100
                 else:
                     pnl_percent_price = ((entry_price - current_price) / entry_price) * 100
+
+                if bool(config.TRADING_CONFIG.get('POSITION_DETAILED_LOG_ENABLED', False)):
+                    stop_loss_snapshot = position_info.get('stopLoss')
+                    take_profit_1_snapshot = position_info.get('takeProfit1')
+                    take_profit_2_snapshot = position_info.get('takeProfit2', position_info.get('takeProfit'))
+                    logger.info(
+                        f"{symbol} [持仓监控快照] side={position_info['side']} | entry={entry_price:.6f} | "
+                        f"price={current_price:.6f} | sl={stop_loss_snapshot if stop_loss_snapshot is not None else '-'} | "
+                        f"tp1={take_profit_1_snapshot if take_profit_1_snapshot is not None else '-'} | "
+                        f"tp2={take_profit_2_snapshot if take_profit_2_snapshot is not None else '-'} | "
+                        f"roe_margin={pnl_percent_margin:.2f}% | price_change={pnl_percent_price:.2f}%"
+                    )
                 
                 # 更新最大盈利（基于保证金）
                 max_profit = float(position_info.get('maxProfit', 0) or 0)