diff --git a/Assets/_Game/Scripts/Enemies/Navigation/EnemyLocomotion.cs b/Assets/_Game/Scripts/Enemies/Navigation/EnemyLocomotion.cs
index 2a1dca90..479450ba 100644
--- a/Assets/_Game/Scripts/Enemies/Navigation/EnemyLocomotion.cs
+++ b/Assets/_Game/Scripts/Enemies/Navigation/EnemyLocomotion.cs
@@ -26,6 +26,7 @@ namespace BaseGames.Enemies
         private LocomotionMode _gaitMode;
         private bool _gaitInit;
         private float _paceDir = 1f;
+        private bool _paceBlockedPrev;
         private int _wpIndex = -1;
         private int _wpDir = 1;
         private bool _warnedNoWaypoints;
@@ -113,7 +114,12 @@ namespace BaseGames.Enemies
 
                 case PatrolStrategy.Pace: // 撞墙/悬崖翻向的来回踱步（速度驱动，不依赖 nav）
                     var mv = _enemy.Movement;
-                    if (mv != null && (mv.IsWallAhead || mv.IsLedgeAhead)) _paceDir = -_paceDir;
+                    bool blocked = mv != null && (mv.IsWallAhead || mv.IsLedgeAhead);
+                    // 边沿触发：仅在"障碍首次出现"时翻向一次。TickPatrol 跑在 Update(可变帧率)，
+                    // 而 IsWallAhead/IsLedgeAhead 在 FixedUpdate 刷新——若用电平触发(每帧 blocked 就翻)，
+                    // 检测刷新前的多个 Update 帧会把同一障碍连翻多次→边缘左右抖动。
+                    if (blocked && !_paceBlockedPrev) _paceDir = -_paceDir;
+                    _paceBlockedPrev = blocked;
                     _enemy.MoveInDirection(_paceDir);
                     break;