diff --git a/static/index.html b/static/index.html
index b32bd035..80595079 100644
--- a/static/index.html
+++ b/static/index.html
@@ -1959,12 +1959,13 @@ async function loadStrategyList() {
   }
 }
 
+const ASC_DEFAULT = new Set(['max_dd']);  // 回撤类：小=好，默认升序
 function sortBy(key) {
   if (window._sortKey === key) {
     window._sortDir = window._sortDir === 'desc' ? 'asc' : 'desc';
   } else {
     window._sortKey = key;
-    window._sortDir = 'desc';
+    window._sortDir = ASC_DEFAULT.has(key) ? 'asc' : 'desc';
   }
   renderStrategyTable(window._strats || []);
 }
@@ -1988,7 +1989,7 @@ function sortStrategies(strategies, key, dir) {
       case 'avg_profit': return st.avg_profit_pct != null ? st.avg_profit_pct : -999;
       case 'sharpe': return st.sharpe_ratio != null ? st.sharpe_ratio : -999;
       case 'profit_factor': return st.profit_factor != null ? st.profit_factor : -999;
-      case 'max_dd': return pf.portfolio_max_dd_pct != null ? pf.portfolio_max_dd_pct : 999;
+      case 'max_dd': return (st.portfolio_full || pf).portfolio_max_dd_pct != null ? (st.portfolio_full || pf).portfolio_max_dd_pct : 999;
       default: return 0;
     }
   };