diff --git a/deploy/profile-scripts/batch_reassess.py b/deploy/profile-scripts/batch_reassess.py
index 69a1cc6b..739e3313 100644
--- a/deploy/profile-scripts/batch_reassess.py
+++ b/deploy/profile-scripts/batch_reassess.py
@@ -25,7 +25,7 @@ STALE_HOURS = 20  # 分析超过20小时视为过期，需要重评
 
 def has_llm_analysis(code):
     """检查是否为LLM生成的12维分析（>500字）"""
-    conn = sqlite3.connect(DB)
+    conn = sqlite3.connect(DB, timeout=30)
     r = conn.execute("SELECT LENGTH(full_analysis) FROM holding_strategies WHERE code=? AND status='active'", (code,)).fetchone()
     conn.close()
     return r and r[0] and r[0] > 500
@@ -37,7 +37,6 @@ def in_cooldown(code):
     if FORCE_REASSESS:
         return False
     conn = sqlite3.connect(DB, timeout=30)
-    conn.execute("PRAGMA busy_timeout=30000")
     r = conn.execute("SELECT reassessed_at FROM holding_strategies WHERE code=? AND status='active'", (code,)).fetchone()
     conn.close()
     if not r or not r[0]:
@@ -51,7 +50,7 @@ def in_cooldown(code):
 
 def analysis_stale(code, force_today=False):
     """分析是否过期（>STALE_HOURS 或 force_today 时今早4点前未重评）"""
-    conn = sqlite3.connect(DB)
+    conn = sqlite3.connect(DB, timeout=30)
     r = conn.execute("SELECT reassessed_at FROM holding_strategies WHERE code=? AND status='active'", (code,)).fetchone()
     conn.close()
     if not r or not r[0]:
@@ -69,7 +68,6 @@ def get_portfolio():
     """从 portfolio_summary 读实时现金/总资产（不再硬编码）"""
     try:
         conn = sqlite3.connect(DB, timeout=30)
-    conn.execute("PRAGMA busy_timeout=30000")
         r = conn.execute("SELECT cash, total_assets FROM portfolio_summary WHERE id=1").fetchone()
         conn.close()
         if r and r[1]:
@@ -83,7 +81,7 @@ def collect_data(code):
     data = {"code": code}
     
     # 从DB读策略（含 full_analysis / changelog_json / position_advice）
-    conn = sqlite3.connect(DB)
+    conn = sqlite3.connect(DB, timeout=30)
     r = conn.execute("SELECT name, entry_low, entry_high, stop_loss, take_profit, timing_signal, action, rr_ratio, tech_snapshot, sector_context, stock_category, full_analysis, changelog_json, reassessed_at, position_advice FROM holding_strategies WHERE code=? AND status='active'", (code,)).fetchone()
     if r:
         data["name"] = r[0]
@@ -136,7 +134,7 @@ def collect_data(code):
     if (not _sector_ctx) or _sector_ctx.startswith('大盘上涨比') or len(_sector_ctx) < 4:
         _resolved = ""
         try:
-            _sdb = sqlite3.connect(DB)
+            _sdb = sqlite3.connect(DB, timeout=30)
             _sr = _sdb.execute("SELECT sector_name FROM stock_sectors WHERE code=? LIMIT 1", (code,)).fetchone()
             _sdb.close()
             if _sr and _sr[0]:
@@ -147,7 +145,7 @@ def collect_data(code):
     data['sector_context'] = _sector_ctx
     # 大盘
     try:
-        conn = sqlite3.connect(DB)
+        conn = sqlite3.connect(DB, timeout=30)
         mr = conn.execute("SELECT structure FROM macro_context_log ORDER BY id DESC LIMIT 1").fetchone()
         if mr and mr[0]:
             s = json.loads(mr[0])
@@ -296,7 +294,7 @@ def build_prompt(data):
     _rotation_context = ""
     if not data.get('held'):
         try:
-            _rc = sqlite3.connect(DB)
+            _rc = sqlite3.connect(DB, timeout=30)
             _weak = _rc.execute("""
                 SELECT hs.code, hs.name, hs.timing_signal, h.position_pct, h.cost
                 FROM holding_strategies hs
@@ -505,7 +503,8 @@ def save_result(code, full_text, parsed, ta_levels=None):
     if not (full_text or "").strip():
         print(f"  \u274c 拒绝写入空分析（LLM输出为空，保护已有数据）")
         return
-    conn = sqlite3.connect(DB)
+    conn = sqlite3.connect(DB, timeout=30)
+    conn.execute("PRAGMA busy_timeout=30000")
     now = datetime.now().isoformat()
     
     # ── 修改前快照 ──
@@ -689,7 +688,6 @@ def main():
         # 按类型筛选 active 策略
         type_map = {"holding": "持仓策略", "watchlist": "自选策略"}
         conn = sqlite3.connect(DB, timeout=30)
-    conn.execute("PRAGMA busy_timeout=30000")
         if dtype in type_map:
             rows = conn.execute(
                 "SELECT code FROM holding_strategies WHERE status='active' AND decision_type=? ORDER BY code",