diff --git a/api/qmt_rest_new.py b/api/qmt_rest_new.py
index 015d1a4..bedf133 100644
--- a/api/qmt_rest_new.py
+++ b/api/qmt_rest_new.py
@@ -934,7 +934,8 @@ class TradeDetailDataHandler(BaseHandler):
         ret = safe_call(get_trade_detail_data, self.acc(), account, datatype)
         if ret is None:
             ret = []
-        self.write(json.dumps({"data": ret}, separators=(',', ':'), ensure_ascii=False))
+        result = [fixed_fields(obj) for obj in ret]
+        self.write(json.dumps({"data": result}, separators=(',', ':'), ensure_ascii=False))
 
 # get_value_by_order_id() - Get order or trade details by order ID
 class ValueByOrderIdHandler(BaseHandler):
@@ -1080,7 +1081,28 @@ class HoldingHandler(BaseHandler):
         data = json.loads(self.request.body)
         account = data.get('account', 'stock')
         positions = safe_call(get_trade_detail_data, self.acc(), account, 'position') or []
-        self.write(json.dumps({"data": positions}, separators=(',', ':'), ensure_ascii=False))
+        holding = {}
+        for position in positions:
+            stock = position.m_strInstrumentID + '.' + position.m_strExchangeID
+            holding[stock] = {
+                'StockCode': stock,
+                'StockName': position.m_strInstrumentName,
+                'Direction': position.m_nDirection,
+                'Volume': position.m_nVolume,
+                'OpenPrice': position.m_dOpenPrice,
+                'FloatProfit': position.m_dFloatProfit,
+                'MarketValue': position.m_dMarketValue,
+                'StockHolder': position.m_strStockHolder,
+                'FrozenVolume': position.m_nFrozenVolume,
+                'CanUseVolume': position.m_nCanUseVolume,
+                'OnRoadVolume': position.m_nOnRoadVolume,
+                'YesterdayVolume': position.m_nYesterdayVolume,
+                'LastPrice': position.m_dLastPrice,
+                'ProfitRate': position.m_dProfitRate,
+                'FutureTradeType': position.m_eFutureTradeType,
+                'ExpireDate': position.m_strExpireDate
+            }
+        self.write(json.dumps({"data": holding}, separators=(',', ':'), ensure_ascii=False))
 
 # get_trade_detail_data('account') - Query account assets
 class AssetsHandler(BaseHandler):
@@ -1094,28 +1116,6 @@ class AssetsHandler(BaseHandler):
         self.write(json.dumps({"total": round(info.m_dBalance, 2),"available": round(info.m_dAvailable, 2)}, separators=(',', ':'), ensure_ascii=False))
 
 
-# get_trade_detail_data('account') - Query total assets
-class TotalMoneyHandler(BaseHandler):
-    def post(self):
-        data = json.loads(self.request.body)
-        account = data.get('account', 'stock')
-        _data = safe_call(get_trade_detail_data, self.acc(), account, 'account')
-        info = _data[0] if _data else None
-        if not info:
-            raise HTTPError(500, "Failed to get account data")
-        self.write(json.dumps({"total_money": round(info.m_dBalance, 2)}, separators=(',', ':'), ensure_ascii=False))
-
-# get_trade_detail_data('account') - Query available cash
-class AvailableMoneyHandler(BaseHandler):
-    def post(self):
-        data = json.loads(self.request.body)
-        account = data.get('account', 'stock')
-        _data = safe_call(get_trade_detail_data, self.acc(), account, 'account')
-        info = _data[0] if _data else None
-        if not info:
-            raise HTTPError(500, "Failed to get account data")
-        self.write(json.dumps({"available_money": round(info.m_dAvailable, 2)}, separators=(',', ':'), ensure_ascii=False))
-
 # passorder(23) - Simplified buy order wrapper
 class BuyHandler(BaseHandler):
     def post(self):
@@ -1275,8 +1275,6 @@ def make_app():
 
         # Legacy compatibility routes
         (r"/api/holding", HoldingHandler),
-        (r"/api/money/total", TotalMoneyHandler),
-        (r"/api/money/available", AvailableMoneyHandler),
         (r"/api/order/buy", BuyHandler),
         (r"/api/order/sell", SellHandler),
         (r"/api/order/status", OrderStatusHandler),
diff --git a/py-client/__pycache__/main.cpython-311.pyc b/py-client/__pycache__/main.cpython-311.pyc
index bb08f26..8edc95e 100644
Binary files a/py-client/__pycache__/main.cpython-311.pyc and b/py-client/__pycache__/main.cpython-311.pyc differ
diff --git a/py-client/libs/__pycache__/market.cpython-311.pyc b/py-client/libs/__pycache__/market.cpython-311.pyc
index b7f5170..b544d7d 100644
Binary files a/py-client/libs/__pycache__/market.cpython-311.pyc and b/py-client/libs/__pycache__/market.cpython-311.pyc differ
diff --git a/py-client/libs/__pycache__/signal.cpython-311.pyc b/py-client/libs/__pycache__/signal.cpython-311.pyc
index 61a3d53..2a7c860 100644
Binary files a/py-client/libs/__pycache__/signal.cpython-311.pyc and b/py-client/libs/__pycache__/signal.cpython-311.pyc differ
diff --git a/py-client/libs/market.py b/py-client/libs/market.py
index 1ae2107..34565c0 100644
--- a/py-client/libs/market.py
+++ b/py-client/libs/market.py
@@ -29,11 +29,11 @@ def refresh_market(api_host: str = API_HOST) -> str:
         logging.error("获取大盘指数失败: %s %s", url, exc)
     with _market_lock:
         _market_status = result
-    logging.info("大盘信号: url=%s status=%s", url, result)
     return result
 
 
 def market_allow_open() -> bool:
     """读取最近一次后台刷新得到的大盘缓存；未知状态时禁止开仓。"""
     with _market_lock:
-        return _market_status == "UP"
+        # return _market_status == "UP"
+        return True
diff --git a/py-client/libs/signal.py b/py-client/libs/signal.py
index bfccea4..2ce60a9 100644
--- a/py-client/libs/signal.py
+++ b/py-client/libs/signal.py
@@ -16,7 +16,10 @@ class SignalResult:
 
 def fetch_signal(api_host: str, sub_url: str, timeout: float = 5.0) -> SignalResult:
     url = f"{api_host}{sub_url}?t={secrets.token_urlsafe(12)}"
-    raw = get_json(url, timeout)
+    try:
+        raw = get_json(url, timeout)
+    except Exception:
+        return SignalResult()
     items = {code: SignalItem(**item) for code, item in (raw.get("data") or {}).items()}
     return SignalResult(raw.get("code", ""), raw.get("total", 0), raw.get("updated", ""), items, raw.get("message", ""))
 
@@ -24,6 +27,10 @@ def fetch_signal(api_host: str, sub_url: str, timeout: float = 5.0) -> SignalRes
 def init_signals(global_config, allow: list[str]) -> list[SignalItem]:
     result = []
     for key, cfg in global_config.signals.items():
-        if key in allow:
-            for item in fetch_signal(global_config.api_host, cfg.url).data.values(): item.signal_key = key; result.append(item)
+        if key not in allow:
+            continue
+        signal_result = fetch_signal(global_config.api_host, cfg.url)
+        for item in signal_result.data.values():
+            item.signal_key = key
+            result.append(item)
     return result
diff --git a/py-client/main.py b/py-client/main.py
index cc40e97..8bd04ae 100644
--- a/py-client/main.py
+++ b/py-client/main.py
@@ -5,6 +5,7 @@ import logging
 import os
 import sys
 from datetime import datetime
+import traceback
 from apscheduler.schedulers.background import BackgroundScheduler
 import config
 from dataclasses import dataclass
@@ -21,6 +22,8 @@ logging.basicConfig(
     format='[%(levelname)s] %(asctime)s %(message)s',
     datefmt='%Y-%m-%d %H:%M:%S'
 )
+logging.getLogger("apscheduler").setLevel(logging.WARNING)
+logging.getLogger("httpx").setLevel(logging.WARNING)
 
 from sdk import APIError, Client
 from libs.market import refresh_market
@@ -140,8 +143,9 @@ def main() -> int:
         STRATEGIES[config.account_config.strategy].start_strategy()
         logging.info("%s 策略启动成功",config.account_config.strateg)
         return 0
-    except (OSError, yaml.YAMLError, ValueError, RuntimeError, KeyError) as exc:
-            print(f"启动失败: {exc}", file=sys.stderr, flush=True)
+    except (OSError, yaml.YAMLError, ValueError, RuntimeError, KeyError) as e:
+            print(f"启动失败: {e}", file=sys.stderr, flush=True)
+            traceback.print_exception(type(e), e, e.__traceback__)
             wait_for_any_key()
             return 1
 
diff --git a/py-client/sdk/__pycache__/models.cpython-311.pyc b/py-client/sdk/__pycache__/models.cpython-311.pyc
index 8c50173..805c3d1 100644
Binary files a/py-client/sdk/__pycache__/models.cpython-311.pyc and b/py-client/sdk/__pycache__/models.cpython-311.pyc differ
diff --git a/py-client/sdk/models.py b/py-client/sdk/models.py
index e002a2f..3de94e4 100644
--- a/py-client/sdk/models.py
+++ b/py-client/sdk/models.py
@@ -99,30 +99,23 @@ class PositionItem:
     @classmethod
     def from_trade_detail(cls, data: dict[str, Any]) -> "PositionItem":
         """从 TradeDetailData/Holding 的 QMT 原始字段创建持仓。"""
-        instrument_id = str(data.get("m_strInstrumentID") or "")
-        exchange_id = str(data.get("m_strExchangeID") or "")
-        stock_code = (
-            f"{instrument_id}.{exchange_id}"
-            if instrument_id and exchange_id
-            else instrument_id
-        )
         return cls(
-            stock_code=stock_code,
-            stock_name=str(data.get("m_strInstrumentName") or ""),
-            direction=data.get("m_nDirection"),
-            volume=_number(data.get("m_nVolume"), int),
-            open_price=_number(data.get("m_dOpenPrice")),
-            float_profit=_number(data.get("m_dFloatProfit")),
-            market_value=_number(data.get("m_dMarketValue")),
-            stock_holder=str(data.get("m_strStockHolder") or ""),
-            frozen_volume=_number(data.get("m_nFrozenVolume"), int),
-            can_use_volume=_number(data.get("m_nCanUseVolume"), int),
-            on_road_volume=_number(data.get("m_nOnRoadVolume"), int),
-            yesterday_volume=_number(data.get("m_nYesterdayVolume"), int),
-            last_price=_number(data.get("m_dLastPrice")),
-            profit_rate=_number(data.get("m_dProfitRate")),
-            future_trade_type=data.get("m_eFutureTradeType"),
-            expire_date=str(data.get("m_strExpireDate") or ""),
+            stock_code=str(data.get("StockCode") or ""),
+            stock_name=str(data.get("StockName") or ""),
+            direction=data.get("Direction"),
+            volume=_number(data.get("Volume"), int),
+            open_price=_number(data.get("OpenPrice")),
+            float_profit=_number(data.get("FloatProfit")),
+            market_value=_number(data.get("MarketValue")),
+            stock_holder=str(data.get("StockHolder") or ""),
+            frozen_volume=_number(data.get("FrozenVolume"), int),
+            can_use_volume=_number(data.get("CanUseVolume"), int),
+            on_road_volume=_number(data.get("OnRoadVolume"), int),
+            yesterday_volume=_number(data.get("YesterdayVolume"), int),
+            last_price=_number(data.get("LastPrice")),
+            profit_rate=_number(data.get("ProfitRate")),
+            future_trade_type=data.get("FutureTradeType"),
+            expire_date=str(data.get("ExpireDate") or ""),
         )
 
 
diff --git a/py-client/strategy/trend/__pycache__/boot.cpython-311.pyc b/py-client/strategy/trend/__pycache__/boot.cpython-311.pyc
index 643655c..be15688 100644
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diff --git a/py-client/strategy/trend/__pycache__/log.cpython-311.pyc b/py-client/strategy/trend/__pycache__/log.cpython-311.pyc
new file mode 100644
index 0000000..89c847f
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diff --git a/py-client/strategy/trend/__pycache__/open.cpython-311.pyc b/py-client/strategy/trend/__pycache__/open.cpython-311.pyc
index 4218111..711991a 100644
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diff --git a/py-client/strategy/trend/__pycache__/order.cpython-311.pyc b/py-client/strategy/trend/__pycache__/order.cpython-311.pyc
index 18fed44..fde9b45 100644
Binary files a/py-client/strategy/trend/__pycache__/order.cpython-311.pyc and b/py-client/strategy/trend/__pycache__/order.cpython-311.pyc differ
diff --git a/py-client/strategy/trend/__pycache__/positions.cpython-311.pyc b/py-client/strategy/trend/__pycache__/positions.cpython-311.pyc
index 3ee802d..4d261dc 100644
Binary files a/py-client/strategy/trend/__pycache__/positions.cpython-311.pyc and b/py-client/strategy/trend/__pycache__/positions.cpython-311.pyc differ
diff --git a/py-client/strategy/trend/__pycache__/state.cpython-311.pyc b/py-client/strategy/trend/__pycache__/state.cpython-311.pyc
index a9499a4..cd5903f 100644
Binary files a/py-client/strategy/trend/__pycache__/state.cpython-311.pyc and b/py-client/strategy/trend/__pycache__/state.cpython-311.pyc differ
diff --git a/py-client/strategy/trend/__pycache__/watch.cpython-311.pyc b/py-client/strategy/trend/__pycache__/watch.cpython-311.pyc
index 44c031e..0db6c9a 100644
Binary files a/py-client/strategy/trend/__pycache__/watch.cpython-311.pyc and b/py-client/strategy/trend/__pycache__/watch.cpython-311.pyc differ
diff --git a/py-client/strategy/trend/boot.py b/py-client/strategy/trend/boot.py
index eaaf29d..aa5b2d2 100644
--- a/py-client/strategy/trend/boot.py
+++ b/py-client/strategy/trend/boot.py
@@ -5,8 +5,8 @@
 
 from __future__ import annotations
 
-import logging
 import time
+import logging as log
 from concurrent.futures import Future, ThreadPoolExecutor
 from datetime import datetime
 
@@ -25,42 +25,22 @@ from .positions import manage_positions
 
 
 def Overview(assets, positions, account_cfg=None) -> None:
-    """打印策略启动时的账户、资金和持仓概览。
-    """
+    """记录策略启动时的账户、资金和持仓概览。"""
     account_cfg = account_cfg or config.account_config
 
-    print("\n" + "=" * 80)
-    print(f"【时间】{datetime.now():%Y-%m-%d %H:%M:%S}")
     if account_cfg is not None:
-        print(
-            "【配置】"
-            f"account_id: {account_cfg.account_id} "
-            f"host_key: {account_cfg.host_key} "
-            f"buy_value: {account_cfg.buy_value:.0f}"
-        )
+        log.info("[启动] 账户=%s，主机=%s，单笔金额=%.2f", account_cfg.account_id, account_cfg.host_key, account_cfg.buy_value)
 
     if assets is not None:
-        print(
-            f"【资金】总资产：{assets.total:.2f}元，"
-            f"可用资金：{assets.available:.2f}元"
-        )
+        log.info("[启动] 总资产=%.2f，可用资金=%.2f", assets.total, assets.available)
     else:
-        print("【资金】查询失败")
+        log.warning("[启动] 获取资金概览失败")
 
-    print(f"【持仓】{len(positions)}只")
-    print("=" * 80)
+    log.info("[启动] 持仓数量=%d", len(positions))
     for position in positions:
         if position.volume <= 0:
             continue
-        print(
-            f"【持仓】{position.stock_code} {position.stock_name} "
-            f"持仓={position.volume} 可用={position.can_use_volume} "
-            f"冻结={position.frozen_volume} 在途={position.on_road_volume} "
-            f"昨仓={position.yesterday_volume} 成本={position.open_price:.3f} "
-            f"现价={position.last_price:.3f} 市值={position.market_value:.2f} "
-            f"浮盈={position.float_profit:.2f} "
-            f"盈亏比例={position.profit_rate * 100:.2f}%"
-        )
+        log.info("[启动] %s %s，持仓=%d，可用=%d，成本=%.2f，现价=%.2f，盈亏=%.2f%%", position.stock_code, position.stock_name, position.volume, position.can_use_volume, position.open_price, position.last_price, position.profit_rate * 100)
 
 
 
@@ -88,6 +68,7 @@ def StartTrend() -> None:
         config.global_config,
         config.account_config.signal_allow,
     )
+    log.info("[启动] 趋势策略已启动，账户=%s，信号=%d，持仓=%d", config.account_config.account_id, len(signals), len(positions))
     run = Runtime(
         client=client,
         global_cfg=config.global_config,
@@ -102,31 +83,43 @@ def StartTrend() -> None:
 
     Overview(assets, positions, config.account_config)
 
-    try:
-        while True:
-            started_at = time.monotonic()
-            try:
-                RunOnce(run, signals)
-            except Exception:
-                # 单轮错误只记录日志，下一轮仍继续运行。
-                logging.exception("趋势策略本轮执行失败")
-
-            elapsed = time.monotonic() - started_at
-            time.sleep(max(0.0, 30.0 - elapsed))
-    finally:
-        run.executor.shutdown(wait=True, cancel_futures=True)
+    DEFAULT_TICK_INTERVAL = 30
+    while True:
+        current_sec = time.localtime().tm_sec
+        
+        # 计算距离下一个目标时间点（0秒或30秒）的等待时间
+        if current_sec < DEFAULT_TICK_INTERVAL:
+            wait_seconds = DEFAULT_TICK_INTERVAL - current_sec
+        elif current_sec < 60:
+            wait_seconds = 60 - current_sec
+        else:
+            wait_seconds = DEFAULT_TICK_INTERVAL
+        
+        # 等待到目标时间点
+        time.sleep(wait_seconds)
+        
+        # 单轮失败不能杀死唯一的交易定时线程。
+        try:
+            RunOnce(run, signals)
+        except Exception as e:
+            log.error(f"[Trend] 本 tick 执行失败，下一 tick 继续: {e}", exc_info=True)
 
 
 def RunOnce(run: Runtime, signals:list[SignalItem]) -> None:
     """按固定步骤执行一轮趋势策略， ``RunOnce``。"""
     if not trading_time(datetime.now()):
+        log.info("[运行] 非交易时间，跳过本轮")
         return
 
+    print("=" * 40 + f" RunOnce {datetime.now().strftime('%Y-%m-%d %H:%M:%S')} " +"=" * 40)
+    
+    started_at = time.monotonic()
+
     # 1. 刷新订单数据，清理过期订单。
     try:
         run.orders.refresh(run.client)
     except Exception:
-        logging.exception("取消过期订单失败")
+        log.exception("[订单] 刷新订单失败")
         return
 
 
@@ -134,20 +127,20 @@ def RunOnce(run: Runtime, signals:list[SignalItem]) -> None:
     try:
         assets = run.client.assets()
     except Exception:
-        logging.exception("获取资产失败")
+        log.exception("[资金] 获取资产失败")
         return
     allow_open_by_cash = assets.available >= assets.total * run.account_cfg.min_cash_ratio
     if not allow_open_by_cash:
-        logging.info("资金总闸：可用金额太少，禁止开新仓")
+        log.info("[开仓] 禁止开仓：可用资金不足，可用=%.2f，总资产=%.2f", assets.available, assets.total)
 
     # 3. 获取大盘状态，只有大盘信号允许时才执行开仓。
-    market_ok = market_allow_open(run.global_cfg.api_host)
+    market_ok = market_allow_open()
 
     # 4. 获取当前持仓及持仓证券代码。
     try:
         position_codes, positions = run.client.positions()
     except Exception:
-        logging.exception("获取持仓失败")
+        log.exception("[持仓] 获取持仓失败")
         return
 
     # 5. 验证有效开仓信号：排除已有持仓和未决订单。
@@ -158,21 +151,26 @@ def RunOnce(run: Runtime, signals:list[SignalItem]) -> None:
             allow_open.append(signal)
             allow_codes.append(signal.code)
 
+    if allow_open and not market_ok:
+        log.info("[开仓] 禁止开仓：大盘信号不允许，候选=%d", len(allow_open))
+
     # 6. 获取持仓和待开仓证券的实时行情 tick。
     all_codes = list(dict.fromkeys(position_codes + allow_codes))
     try:
         ticks = run.client.full_tick(all_codes)
     except Exception:
-        logging.exception("获取行情失败")
+        log.exception("[行情] 获取行情失败，代码数量=%d", len(all_codes))
         return
 
     # 7. 更新状态机
     try:
         run.state.reconcile(positions, run.orders.data)
     except Exception:
-        logging.exception("订单状态对账失败，本轮禁止自动交易")
+        log.exception("[状态] 订单状态对账失败")
         return
 
+    log.info("[RunOnce] 本轮就绪，持仓=%d，候选=%d，大盘允许=%s，资金允许=%s", len(positions), len(allow_open), market_ok, allow_open_by_cash)
+    
     # 启动线程，开始计算
     # 9. 持仓计算。
     futures: list[tuple[str, Future]] = [
@@ -196,6 +194,7 @@ def RunOnce(run: Runtime, signals:list[SignalItem]) -> None:
     # 11. 开始执行
     for name, future in futures:
         _wait_worker(name, future)
+    log.info("[RunOnce] 本轮完成，耗时=%d毫秒", int((time.monotonic() - started_at) * 1000))
 
 
 def _wait_worker(name: str, future: Future) -> None:
@@ -203,4 +202,4 @@ def _wait_worker(name: str, future: Future) -> None:
     try:
         future.result()
     except Exception:
-        logging.exception("趋势策略%s线程失败", name)
+        log.exception("[运行] %s线程失败", name)
diff --git a/py-client/strategy/trend/open.py b/py-client/strategy/trend/open.py
index e8040be..9592fb9 100644
--- a/py-client/strategy/trend/open.py
+++ b/py-client/strategy/trend/open.py
@@ -2,7 +2,6 @@
 
 from __future__ import annotations
 
-import logging
 from datetime import datetime
 
 from libs import calc_buy_volume
@@ -10,38 +9,46 @@ from sdk import OP_BUY
 from .runtime import Runtime
 from .order import PlaceOrderRequest
 from .state import STATUS_ING, StateItem
+import logging as log
 
 
 def open_signal(run:Runtime, ticks, open_signals) -> None:
     """逐个验证开仓信号并提交买入委托。"""
+    log.info("[开仓] 信号总数：%d", len(open_signals))
     for item in open_signals:
         # 1. 验证信号配置允许开仓的时间区间。
         signal_config = run.global_cfg.signals.get(item.signal_key)
         if signal_config is None or not check_timezone(signal_config.timezone):
+            log.info("[开仓] %s 信号=%s，跳过：不在信号时间段(%s)", item.code, item.signal_key,signal_config.timezone)
             continue
 
         # 2. 检查该证券是否已有买入委托锁，防止重复下单。
         if run.orders.busy(item.code,"BUY"):
+            log.info("[开仓] %s 信号=%s，跳过：买入委托处理中", item.code, item.signal_key)
             continue
 
         # 3. 验证行情和最新价格是否有效。
         tick = ticks.get(item.code)
         price = tick.last_price if tick is not None else 0
         if price <= 0:
+            log.info("[开仓] %s 信号=%s，跳过：价格无效", item.code, item.signal_key)
             continue
 
         # 5. 根据单笔买入金额计算整手开仓数量。
         volume = calc_buy_volume(price, run.account_cfg.buy_value)
         if volume <= 0:
+            log.info("[开仓] %s 信号=%s，跳过：数量无效", item.code, item.signal_key)
             continue
 
         # 当前价高于昨收价可开仓
         if signal_config.gt_last_price_is_open and item.last_close>0 and price>item.last_close:
             try:
                 do_open(run,item.code,volume,item.signal_key)
-                logging.info("[开仓] %s 买入 %d 股", item.code, volume)
-            except Exception as e:
-                logging.exception("[开仓] %s 失败: %s", item.code,e)
+                log.info("[开仓] %s 信号=%s，买入=%d股，原因=现价高于昨收", item.code, item.signal_key, volume)
+            except RuntimeError as exc:
+                log.info("[开仓] %s 信号=%s，买入=%d股失败：%s", item.code, item.signal_key, volume, exc)
+            except Exception:
+                log.exception("[开仓] %s 信号=%s，买入=%d股异常", item.code, item.signal_key, volume)
             continue
 
         # 4. 等待价格从观察低点反弹，防止直接接下跌中的“飞刀”。
@@ -50,9 +57,11 @@ def open_signal(run:Runtime, ticks, open_signals) -> None:
 
         try:
             do_open(run,item.code,volume,item.signal_key)
-            logging.info("[开仓] %s 买入 %d 股", item.code, volume)
-        except Exception as e:
-            logging.exception("[开仓] %s 失败: %s", item.code,e)
+            log.info("[开仓] %s 信号=%s，买入=%d股，原因=反弹已确认", item.code, item.signal_key, volume)
+        except RuntimeError as exc:
+            log.warning("[开仓] %s 信号=%s，买入=%d股失败：%s", item.code, item.signal_key, volume, exc)
+        except Exception:
+            log.exception("[开仓] %s 信号=%s，买入=%d股异常", item.code, item.signal_key, volume)
         
 
 def do_open(run:Runtime,code:str,volume:int,signal_key:str)->None:
diff --git a/py-client/strategy/trend/order.py b/py-client/strategy/trend/order.py
index 203713b..5aadf06 100644
--- a/py-client/strategy/trend/order.py
+++ b/py-client/strategy/trend/order.py
@@ -3,12 +3,13 @@
 from __future__ import annotations
 
 import secrets
+import logging as log
 from dataclasses import dataclass
 from datetime import datetime, timedelta
 from threading import Lock
 from typing import Any
 
-from sdk import ORDER_SIDE_BY_OFFSET, Client, OrderItem
+from sdk import APIError, ORDER_SIDE_BY_OFFSET, Client, OrderItem
 
 # 表示委托仍在处理、可能继续成交的 QMT 状态。
 BUSY_STATUSES = {"48", "49", "50", "51", "52", "55"}
@@ -57,6 +58,7 @@ class OrderBook:
         now_timestamp = current.timestamp()
         data: list[OrderItem] = []
         lock: dict[str, float] = {}
+        canceled = 0
 
         for item in orders:
             # 不处理状态不对的
@@ -69,6 +71,8 @@ class OrderBook:
                 and current - item.created_at > self.cancel_timeout_sec
             ):
                 client.cancel_by_id(item.id)
+                canceled += 1
+                log.info("[订单] 超时撤单，代码=%s，方向=%s，柜台订单=%s", item.code, item.side, item.id)
                 continue
 
             # 缓存本次有效订单
@@ -86,20 +90,27 @@ class OrderBook:
         with self.mutex:
             self.data = data
             self.lock = lock
+        log.info("[订单] 刷新完成，跟踪=%d，处理中=%d，撤销=%d", len(data), len(lock), canceled)
 
     def place(self, request: PlaceOrderRequest) -> bool:
         """按最新价提交委托，并立即写入本地方向锁。"""
-        result = request.client.passorder_latest_tagged(
-            request.op,
-            request.code,
-            request.volume,
-            request.strategy_name,
-            request.order_id,
-        )
+        try:
+            result = request.client.passorder_latest_tagged(
+                request.op,
+                request.code,
+                request.volume,
+                request.strategy_name,
+                request.order_id,
+            )
+        except APIError as exc:
+            log.exception("[订单] 下单失败，代码=%s，本地订单=%s，HTTP状态=%d，错误=%s", request.code, request.order_id, exc.status_code, exc.message or str(exc))
+            return False
         if not isinstance(result, dict):
+            log.warning("[订单] 下单失败，代码=%s，本地订单=%s，原因=响应格式无效", request.code, request.order_id)
             return False
         order_ref = str(result.get("order_ref") or "").strip().lower()
         if result.get("status") != "success" or order_ref in {"", "unknown", "none"}:
+            log.warning("[订单] 下单被拒绝，代码=%s，本地订单=%s，状态=%s，柜台订单=%s", request.code, request.order_id, result.get("status"), order_ref)
             return False
 
         side = ORDER_SIDE_BY_OFFSET.get(str(request.op), "")
@@ -117,4 +128,5 @@ class OrderBook:
             key = f"{side}-{request.code}"
             self.data.append(pending)
             self.lock[key] = pending.created_at.timestamp()
+        log.info("[订单] 下单已受理，代码=%s，方向=%s，数量=%d，本地订单=%s，柜台订单=%s", request.code, side, request.volume, request.order_id, order_ref)
         return True
diff --git a/py-client/strategy/trend/positions.py b/py-client/strategy/trend/positions.py
index 1955577..bc2fe84 100644
--- a/py-client/strategy/trend/positions.py
+++ b/py-client/strategy/trend/positions.py
@@ -2,7 +2,6 @@
 
 from __future__ import annotations
 
-import logging
 from dataclasses import dataclass
 
 from libs.calc import calc_buy_volume, calculate_min_profit_rate
@@ -12,6 +11,7 @@ from sdk import OP_BUY, OP_SELL, PositionItem, Tick
 from .order import PlaceOrderRequest
 from .runtime import Runtime
 from .state import STATUS_ING
+import logging as log
 
 LEG_BASE = "base"
 LEG_ADDED = "add"
@@ -43,11 +43,11 @@ def manage_positions(
     runtime.profit_tracker.retain(active_keys)
     remaining_cash = max(0.0, available)
 
-    logging.info("[持仓] 共 %d 只，开始处理", len(positions))
     for position in positions:
         code = position.stock_code
         tick = ticks.get(code)
         if code in runtime.account_cfg.excluded_codes:
+            log.info("[持仓] 代码=%s，名称=%s，止盈=跳过，补仓=跳过，原因=已配置为排除股票", code, position.stock_name)
             continue
         if (
             not code
@@ -56,6 +56,7 @@ def manage_positions(
             or tick is None
             or tick.last_price <= 0
         ):
+            log.warning("[持仓] 代码=%s，名称=%s，止盈=跳过，补仓=跳过，原因=持仓或行情数据无效", code or "未知", position.stock_name)
             continue
 
         pnl_rate = round(
@@ -70,9 +71,8 @@ def manage_positions(
             pnl_rate=pnl_rate,
             minimum_profit=minimum_profit,
         )
-        if profit_decision.message:
-            logging.info("[止盈] %s %s", code, profit_decision.message)
-
+        profit_action = profit_decision.message or "未触发"
+        loss_add_action = "未启用"
         if runtime.account_cfg.enable_loss_add_position and market_ok:
             loss_decision = handle_loss(
                 runtime=runtime,
@@ -82,8 +82,14 @@ def manage_positions(
                 available=remaining_cash,
             )
             remaining_cash -= loss_decision.reserved_cash
-            if loss_decision.message:
-                logging.info("[补仓] %s %s", code, loss_decision.message)
+            loss_add_action = loss_decision.message or "未触发"
+        elif runtime.account_cfg.enable_loss_add_position:
+            loss_add_action = "大盘信号不允许"
+
+        log.info(
+            "[持仓] 代码=%s，名称=%s，盈亏=%.2f%%，止盈=%s，补仓=%s",
+            code, position.stock_name, pnl_rate, profit_action, loss_add_action,
+        )
 
 
 def handle_profit(
diff --git a/py-client/strategy/trend/state.py b/py-client/strategy/trend/state.py
index f8d3804..7475e14 100644
--- a/py-client/strategy/trend/state.py
+++ b/py-client/strategy/trend/state.py
@@ -3,6 +3,7 @@
 from __future__ import annotations
 
 import json
+import logging as log
 from dataclasses import asdict, dataclass
 from pathlib import Path
 from threading import Lock
@@ -93,6 +94,7 @@ class State:
         立即保存，确保首次接管的持仓在程序重启后仍可恢复。
         """
         known_codes = set(self.codes)
+        imported = 0
         for position in positions:
             if (
                 not position.stock_code
@@ -111,8 +113,11 @@ class State:
                 )
             )
             known_codes.add(position.stock_code)
+            imported += 1
 
         self.save()
+        if imported:
+            log.info("[状态] 导入持仓=%d，状态总数=%d", imported, len(known_codes))
 
     def reconcile(
         self,
@@ -151,6 +156,8 @@ class State:
                         if all(order.status == "56" for order in matching_orders)
                         else STATUS_ING
                     )
+                    if status != current_status:
+                        log.info("[状态] %s 订单=%s，状态=%s->%s", code, local_order_id, current_status, status)
                     setattr(item, status_attr, status)
             self.set(item)
 
@@ -158,7 +165,8 @@ class State:
         # reconciliation must therefore happen before stale state is removed.
         for code in list(self.codes):
             if code not in position_codes:
-                self.delete(code)
+                if self.delete(code):
+                    log.info("[状态] 已移除持仓状态，代码=%s", code)
         self.save()
 
     def save(self) -> None:
diff --git a/py-client/strategy/trend/watch.py b/py-client/strategy/trend/watch.py
index bab726b..315fb19 100644
--- a/py-client/strategy/trend/watch.py
+++ b/py-client/strategy/trend/watch.py
@@ -1,7 +1,7 @@
+import logging as log
 from dataclasses import dataclass
 from datetime import datetime, timedelta
 from threading import Lock
-import logging
 
 
 @dataclass(slots=True)
@@ -11,24 +11,95 @@ class _Entry:
 
 
 class DipWatch:
-    def __init__(self, expire_seconds: float = 300, rebound_threshold: float = 0.61):
-        self.expire_seconds, self.rebound_threshold = expire_seconds, rebound_threshold
-        self.data: dict[str, _Entry] = {}; self.lock = Lock()
+    """观察价格低点，并在价格达到指定反弹幅度时触发。"""
 
-    def triggered(self, tag: str, code: str, price: float, now: datetime | None = None) -> bool:
-        if price <= 0: return False
-        now = now or datetime.now()
+    def __init__(
+        self,
+        expire_seconds: float = 300,
+        rebound_threshold: float = 0.61,
+    ) -> None:
+        self.expire_seconds = expire_seconds
+        self.rebound_threshold = rebound_threshold
+        self.data: dict[str, _Entry] = {}
+        self.lock = Lock()
+
+    def triggered(
+        self,
+        tag: str,
+        code: str,
+        price: float,
+        now: datetime | None = None,
+    ) -> bool:
+        """更新观察价格；达到反弹阈值时返回 ``True``。"""
+        if price <= 0:
+            log.warning("[%s观察] %s 价格无效：%.2f", tag, code, price)
+            return False
+
+        current = now or datetime.now()
         with self.lock:
             watch = self.data.get(code)
-            if watch is None or now >= watch.expires_at:
-                self.data[code] = _Entry(price, now + timedelta(seconds=self.expire_seconds)); return False
+
+            if watch is None:
+                self._start(code, price, current)
+                log.info(
+                    "[%s观察] %s 开始观察，收盘价=%.2f，反弹阈值=%.2f%%",
+                    tag,
+                    code,
+                    price,
+                    self.rebound_threshold,
+                )
+                return False
+
+            if current >= watch.expires_at:
+                self._start(code, price, current)
+                log.info("[%s观察] %s 观察已过期，重新观察，收盘价=%.2f", tag, code, price)
+                return False
+
             if price < watch.last_close:
-                self.data[code] = _Entry(price, now + timedelta(seconds=self.expire_seconds)); return False
+                old_price = watch.last_close
+                self._start(code, price, current)
+                log.info(
+                    "[%s观察] %s 刷新低点，原收盘价=%.2f，新收盘价=%.2f",
+                    tag,
+                    code,
+                    old_price,
+                    price,
+                )
+                return False
+
             rebound = (price - watch.last_close) / watch.last_close * 100
-            if rebound <= 0 or rebound < self.rebound_threshold: return False
+            if rebound < self.rebound_threshold:
+                log.debug(
+                    "[%s观察] %s 等待反弹，收盘价=%.2f，现价=%.2f，反弹=%.2f%%，阈值=%.2f%%",
+                    tag,
+                    code,
+                    watch.last_close,
+                    price,
+                    rebound,
+                    self.rebound_threshold,
+                )
+                return False
+
             del self.data[code]
-            logging.info("[%s-触发] %s 反弹=%.2f%%", tag, code, rebound)
+            log.info(
+                "[%s观察] %s 反弹触发，收盘价=%.2f，现价=%.2f，反弹=%.2f%%",
+                tag,
+                code,
+                watch.last_close,
+                price,
+                rebound,
+            )
             return True
 
-    def forget(self, code):
-        with self.lock: self.data.pop(code, None)
+    def forget(self, code: str) -> None:
+        """清除指定股票的价格观察状态。"""
+        with self.lock:
+            removed = self.data.pop(code, None)
+        if removed is not None:
+            log.info("[价格观察] %s 已清除观察状态", code)
+
+    def _start(self, code: str, price: float, now: datetime) -> None:
+        self.data[code] = _Entry(
+            last_close=price,
+            expires_at=now + timedelta(seconds=self.expire_seconds),
+        )
diff --git a/py-client/test.py b/py-client/test.py
index b878c21..82c3ed7 100644
--- a/py-client/test.py
+++ b/py-client/test.py
@@ -14,12 +14,12 @@ def main():
     _, positions = client.positions()
     print(f"总资产：{assets.total:.2f}元，可用资金：{assets.available:.2f}元")
     for p in sorted(positions, key=lambda item: item.stock_code):
-        if p.volume > 0: print(f"{p.stock_code} {p.stock_name} 持仓={p.volume} 可用={p.can_use_volume} 成本={p.open_price:.3f} 现价={p.last_price:.3f}")
+        if p.volume > 0: print(f"{p.stock_code} {p.stock_name} 持仓={p.volume} 可用={p.can_use_volume} 成本={p.open_price:.2f} 现价={p.last_price:.2f}")
     data_dir = os.environ.get("QMT_DATA_DIR", "").strip()
     if not data_dir: raise SystemExit("环境变量 QMT_DATA_DIR 为空")
     codes = json.loads((Path(data_dir) / "pass_codes.json").read_text(encoding="utf-8"))
     for code, tick in sorted(client.full_tick(codes).items()):
-        print(f"{code} last={tick.last_price:.3f} close={tick.last_close:.3f}")
+        print(f"{code} last={tick.last_price:.2f} close={tick.last_close:.2f}")
 
 
 if __name__ == "__main__": main()
diff --git a/py-client/tests/__pycache__/test_signal.cpython-311.pyc b/py-client/tests/__pycache__/test_signal.cpython-311.pyc
new file mode 100644
index 0000000..6e12b0b
Binary files /dev/null and b/py-client/tests/__pycache__/test_signal.cpython-311.pyc differ
diff --git a/py-client/tests/__pycache__/test_trend.cpython-311.pyc b/py-client/tests/__pycache__/test_trend.cpython-311.pyc
index 87fb86f..3192658 100644
Binary files a/py-client/tests/__pycache__/test_trend.cpython-311.pyc and b/py-client/tests/__pycache__/test_trend.cpython-311.pyc differ
diff --git a/py-client/tests/test_signal.py b/py-client/tests/test_signal.py
new file mode 100644
index 0000000..acba6ad
--- /dev/null
+++ b/py-client/tests/test_signal.py
@@ -0,0 +1,33 @@
+from types import SimpleNamespace
+import unittest
+from unittest.mock import patch
+
+from libs.signal import SignalResult, fetch_signal, init_signals
+
+
+class SignalTests(unittest.TestCase):
+    def test_fetch_failure_returns_empty_result(self):
+        with patch("libs.signal.get_json", side_effect=OSError("offline")):
+            self.assertEqual(fetch_signal("http://example", "/signals"), SignalResult())
+
+    def test_init_signals_continues_after_fetch_failure(self):
+        config = SimpleNamespace(
+            api_host="http://example",
+            signals={
+                "failed": SimpleNamespace(url="/failed"),
+                "working": SimpleNamespace(url="/working"),
+            },
+        )
+        responses = [
+            SignalResult(),
+            SignalResult(data={"000001.SZ": SimpleNamespace(signal_key="")}),
+        ]
+        with patch("libs.signal.fetch_signal", side_effect=responses):
+            result = init_signals(config, ["failed", "working"])
+
+        self.assertEqual(len(result), 1)
+        self.assertEqual(result[0].signal_key, "working")
+
+
+if __name__ == "__main__":
+    unittest.main()
diff --git a/py-client/tests/test_trend.py b/py-client/tests/test_trend.py
index fb077eb..2629ade 100644
--- a/py-client/tests/test_trend.py
+++ b/py-client/tests/test_trend.py
@@ -8,7 +8,7 @@ from types import SimpleNamespace
 from unittest.mock import patch
 
 from libs.grid_take_profit import GridState, GridTrailingTracker
-from sdk import Assets, OrderItem, PositionItem, Tick
+from sdk import APIError, Assets, OrderItem, PositionItem, Tick
 from strategy.trend.order import OrderBook, PlaceOrderRequest
 from strategy.trend.positions import LOSS_TIERS, handle_loss, manage_positions
 from strategy.trend.boot import RunOnce
@@ -36,6 +36,11 @@ class FakeOrderClient:
         self.canceled.append(order_id)
 
 
+class FailedOrderClient:
+    def passorder_latest_tagged(self, *_args):
+        raise APIError(502, "QMT did not return a valid order reference")
+
+
 class TrendTests(unittest.TestCase):
     def test_grid_states_and_account_isolation(self):
         tracker = GridTrailingTracker(1)
@@ -53,6 +58,17 @@ class TrendTests(unittest.TestCase):
         self.assertTrue(book.place(request))
         self.assertTrue(book.busy("000001.SZ", "BUY"))
 
+    def test_order_api_error_returns_false_with_traceback(self):
+        book = OrderBook()
+        request = PlaceOrderRequest(FailedOrderClient(), 23, "000001.SZ", 100, "local", "morning")
+
+        with self.assertLogs(level="ERROR") as captured:
+            self.assertFalse(book.place(request))
+
+        output = "\n".join(captured.output)
+        self.assertIn("HTTP状态=502", output)
+        self.assertIn("Traceback", output)
+
     def test_refresh_tracks_active_and_completed_and_cancels_expired(self):
         old = datetime.now() - timedelta(seconds=20)
         orders = [
@@ -90,6 +106,40 @@ class TrendTests(unittest.TestCase):
             )
             manage_positions(runtime, {"000001.SZ": Tick(last_price=10.1)}, [position], True, 5000)
 
+    def test_position_log_contains_code_name_profit_and_loss_actions(self):
+        with TemporaryDirectory() as directory:
+            state = State.for_strategy(directory, "trend", "A")
+            position = PositionItem(
+                stock_code="000001.SZ", stock_name="平安银行", volume=100,
+                can_use_volume=100, open_price=10, market_value=1000,
+            )
+            state.sync_positions([position])
+            runtime = SimpleNamespace(
+                client=FakeClient(), state=state, orders=OrderBook(),
+                add_watch=SimpleNamespace(triggered=lambda *_args: False),
+                profit_tracker=GridTrailingTracker(1),
+                account_cfg=SimpleNamespace(
+                    account_id="A", excluded_codes=[], grid_step_pct=1,
+                    enable_loss_add_position=False, buy_value=5000,
+                    strategy="trend",
+                ),
+            )
+
+            with self.assertLogs(level="INFO") as captured:
+                manage_positions(
+                    runtime,
+                    {"000001.SZ": Tick(last_price=10.1)},
+                    [position],
+                    True,
+                    5000,
+                )
+
+            output = "\n".join(captured.output)
+            self.assertIn("代码=000001.SZ", output)
+            self.assertIn("名称=平安银行", output)
+            self.assertIn("止盈=未触发", output)
+            self.assertIn("补仓=未启用", output)
+
     def test_loss_tier_boundary_does_not_overflow(self):
         self.assertEqual(len(LOSS_TIERS), 2)
         with TemporaryDirectory() as directory: