diff --git a/strategy_lab.py b/strategy_lab.py
index 6fdfccdd..7e608e6b 100644
--- a/strategy_lab.py
+++ b/strategy_lab.py
@@ -2184,6 +2184,24 @@ def list_strategies(period_tag=None):
                 'summary_stats': _ss, 'insights': [], 'created_at': None,
                 'market': 'all', 'period_tag': _pt or period_tag, 'trades_count': _tc,
             })
+    # 2026-08-18 修复：1m/6m/1y 切窗后 DB-only 策略(B组挖掘/老牌策略)未被加进 out——
+    # _slice_versions 含 DB 所有版本且已切窗算好(sliced_summaries)，但上面只遍历
+    # STRATEGIES(39个)/STRATEGY_DESCRIPTIONS。补齐 DB-only 且切窗成功的版本。
+    if period_tag in PERIOD_SLICE_DAYS:
+        for v in sorted(_slice_versions):
+            if v in STRATEGIES or v in STRATEGY_DESCRIPTIONS:
+                continue
+            if any(d['version'] == v for d in out):
+                continue
+            _ss, _tc, _pt = sliced_summaries.get(v)
+            if _ss is None:
+                continue  # 切窗未成功或无数据
+            out.append({
+                'version': v, 'name': v, 'summary': '', 'hypothesis': '',
+                'parent': None, 'config_json': '{}',
+                'summary_stats': _ss, 'insights': [], 'created_at': None,
+                'market': 'all', 'period_tag': _pt or period_tag, 'trades_count': _tc,
+            })
     out.sort(key=lambda x: (x['version'], x.get('market', 'all')))
     # 2026-08-11：标记当前实盘/新策略（研究 Tab 拆分当前/历史区域）
     # 当前 = 实盘在跑(v_weak) + 新策略待上线(v_oversold)