diff --git a/Assets/_Game/Scripts/Enemies/AIBrain/PerceptionStateMachine.cs b/Assets/_Game/Scripts/Enemies/AIBrain/PerceptionStateMachine.cs
index 4865b2b9..dde04530 100644
--- a/Assets/_Game/Scripts/Enemies/AIBrain/PerceptionStateMachine.cs
+++ b/Assets/_Game/Scripts/Enemies/AIBrain/PerceptionStateMachine.cs
@@ -11,6 +11,9 @@ namespace BaseGames.Enemies
     ///   警觉:      在追逐区→追击; 否则 脱离视野→R; 否则保持警觉(朝向玩家)。
     ///   追击:      脱离全部感知(追逐区且视野区都不在)→R（永不回警觉）。
     /// 缺省自动降级：无警觉(HasAlert=false)→警觉分支不触发。
+    /// 交战风格(Engagement)：默认 ChaseAbility=单一冲锋能力节点；
+    ///   ApproachAttack=把追击换成 Approach(寻路逼近)↔Attack(到射程选招攻击、攻击时停逼近) 两态子机，
+    ///   打完回逼近重判、脱离全部感知区→R。
     /// </summary>
     public static class PerceptionStateMachine
     {