diff --git a/mofin_db.py b/mofin_db.py
index 9fd53cc9..af063f68 100644
--- a/mofin_db.py
+++ b/mofin_db.py
@@ -1083,6 +1083,18 @@ def write_holding_strategy(conn, code: str, name: str, data: dict) -> tuple[bool
         quality_issues_j = _json.dumps(data.get('quality_issues', {}), ensure_ascii=False) if isinstance(data.get('quality_issues'), dict) else data.get('quality_issues_json', '')
         signal_factors_j = _json.dumps(data.get('signal_factors', []), ensure_ascii=False) if isinstance(data.get('signal_factors'), list) else data.get('signal_factors_json', '')
         
+        # 在DELETE前保留现有的full_analysis和reassessed_at（防止被regenerate_all等清空）
+        _existing_fa = data.get('full_analysis', '')
+        _existing_ra = data.get('reassessed_at', '')
+        if not _existing_fa:
+            try:
+                _old = conn.execute("SELECT full_analysis, reassessed_at FROM holding_strategies WHERE code=? ORDER BY id DESC LIMIT 1", (code,)).fetchone()
+                if _old:
+                    if _old[0]: _existing_fa = _old[0]
+                    if _old[1]: _existing_ra = _old[1]
+            except:
+                pass
+        
         # DELETE + INSERT
         conn.execute("DELETE FROM holding_strategies WHERE code=?", (code,))
         conn.execute("""
@@ -1094,10 +1106,11 @@ def write_holding_strategy(conn, code: str, name: str, data: dict) -> tuple[bool
              source, reason, updated_at,
              avg_price, decision_timestamp, note, quality_check,
              quality_checked_at, quality_issues_json, position_advice,
-             signal_factors_json, time_horizon, decision_type)
+             signal_factors_json, time_horizon, decision_type,
+             full_analysis, reassessed_at)
             VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,
                     datetime('now','localtime'),
-                    ?,?,?,?,?,?,?,?,?,?)
+                    ?,?,?,?,?,?,?,?,?,?,?,?)
         """, (
             code, name,
             data.get('version', 1), data.get('price'), data.get('cost'),
@@ -1120,6 +1133,9 @@ def write_holding_strategy(conn, code: str, name: str, data: dict) -> tuple[bool
             signal_factors_j,
             data.get('time_horizon', ''),
             data.get('type', data.get('strategy_type', 'holding')),
+            # 保留full_analysis和reassessed_at
+            _existing_fa,
+            _existing_ra,
         ))
         conn.commit()
         return True, f"策略 {code} 已写入"