fix bug

py-client/strategy/trend/open.py

@@ -2,6 +2,7 @@
 
 from datetime import datetime
 from functools import lru_cache
+import math
 
 from libs import calc_buy_volume
 from sdk import OP_BUY
@@ -13,8 +14,9 @@ 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。"""
     for item in open_signals:
-        if item.last_close <= 0:
-            log.info("[OpenSkip] %s 信号=%s，跳过：信号无效，last_close小于0", item.code, item.signal_key)
+        try:
+            if not math.isfinite(item.last_close) or item.last_close <= 0:
+                log.info("[OpenSkip] %s 信号=%s，跳过：信号无效，last_close不是有限正数", item.code, item.signal_key)
                 continue
 
             if item.code in run.account_cfg.excluded_codes:
@@ -39,7 +41,7 @@ def open_signal(run: Runtime, ticks, open_signals) -> None:
             # 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:
+            if not math.isfinite(price) or price <= 0:
                 log.info("[OpenSkip] %s 信号=%s，跳过：价格无效", item.code, item.signal_key)
                 continue
 
@@ -50,7 +52,6 @@ def open_signal(run: Runtime, ticks, open_signals) -> None:
                 continue
 
             # 根据信号key做相关判断
-        try:
             # 早市信号，逢涨可买入
             if item.signal_key == "morning" and signal_config.gt_last_price_is_open:
                 if price > item.last_close:
@@ -68,9 +69,9 @@ def open_signal(run: Runtime, ticks, open_signals) -> None:
             do_open(run, item.code, volume, item.signal_key, price)
 
         except RuntimeError as exc:
-            log.exception("[OpenError] %s 信号=%s，买入=%d股失败：%s",item.code,item.signal_key,volume,exc)
-        except Exception:
-            log.exception("[OpenError] %s 信号=%s，买入=%d股异常",item.code,item.signal_key,volume)
+            log.exception("[OpenRuntimeError] %s 信号=%s，失败：%s",item.code,item.signal_key,exc)
+        except Exception as err:
+            log.exception("[OpenExceptionError] %s 信号=%s，异常：%s",item.code,item.signal_key,err)
         continue