提交

backend/app/data/reference.py

@@ -16,6 +16,7 @@ from __future__ import annotations
 import asyncio
 import calendar
 import json
+import logging
 import time
 from dataclasses import dataclass
 from datetime import date
@@ -29,6 +30,8 @@ from ..db import async_session
 from ..models import StockReference
 from .sync_utils import call_retry, f_clean, fresh, get_pro_lazy, read_sync_state, s_clean, upsert_sync_state, utcnow
 
+log = logging.getLogger(__name__)
+
 _REFRESH_DAYS = 7
 
 
@@ -394,12 +397,12 @@ async def _sync_repurchase_locked(only_current: bool) -> dict[str, list[dict]]:
 
 
 async def _repurchase_backfill() -> None:
-    """后台全量回填（近 24 个月）；失败静默——下次触发重试。"""
+    """后台全量回填（近 24 个月）；失败记录日志——下次触发重试。"""
     try:
         async with _repurchase_lock:
             await _sync_repurchase_locked(only_current=False)
-    except Exception:  # noqa: BLE001  后台任务无人接异常
-        pass
+    except Exception:  # noqa: BLE001  后台任务无人接异常，至少留痕
+        log.warning("回购数据后台回填失败（下次触发重试）", exc_info=True)
 
 
 def _spawn_repurchase_backfill() -> None: