diff --git a/evolution/evolution_api.py b/evolution/evolution_api.py
index 7bcbe5af..adf77bd3 100644
--- a/evolution/evolution_api.py
+++ b/evolution/evolution_api.py
@@ -40,9 +40,9 @@ def get_evolution_dashboard():
     """).fetchall():
         evolution.append(dict(r))
     
-    # 当前策略基线
+    # 当前策略基线（2026-08-11: 改为当前实盘 v_weak + 新策略 v_oversold）
     baseline = {}
-    for v in ['v_next4', 'v_next3', 'v8.1']:
+    for v in ['v_weak', 'v_oversold']:
         r = conn.execute("""
             SELECT results_json FROM strategy_research 
             WHERE version=? AND period_tag='5y' ORDER BY id DESC LIMIT 1
@@ -174,7 +174,7 @@ def get_combo_dashboard():
     }
 
 
-def get_health_trend(version='v_next4', days=30):
+def get_health_trend(version='v_weak', days=30):
     """健康度趋势"""
     conn = sqlite3.connect(DB)
     conn.row_factory = sqlite3.Row
diff --git a/strategy_lab.py b/strategy_lab.py
index f2a08da9..236263b2 100644
--- a/strategy_lab.py
+++ b/strategy_lab.py
@@ -2299,8 +2299,8 @@ def run_mr_backtest(strategy_version, start_date, end_date, capital=913000,
                 skip_stats['next_open'] += 1; i += 1; continue
 
             # ── 出场（均值回归：让利润跑向止盈，无 MA20 截断）──
-            tp_pct = exit_cfg.get('tp_pct', 0.18)
-            sl_pct = exit_cfg.get('sl_pct', 0.08)
+            tp_pct = exit_cfg.get('tp_pct', 0.18) or 0.18   # None 时用默认 0.18
+            sl_pct = exit_cfg.get('sl_pct', 0.08) or 0.08
             max_hold = exit_cfg.get('max_hold_days', 25)
             target = ep * (1 + tp_pct)
             stop = ep * (1 - sl_pct)