diff --git a/Assets/Tests/EditMode/AI/ApproachAttackEngagementTests.cs b/Assets/Tests/EditMode/AI/ApproachAttackEngagementTests.cs
index 724e5edc..f084d8ea 100644
--- a/Assets/Tests/EditMode/AI/ApproachAttackEngagementTests.cs
+++ b/Assets/Tests/EditMode/AI/ApproachAttackEngagementTests.cs
@@ -88,5 +88,23 @@ namespace BaseGames.Tests.EditMode.AI
             rt.Tick(0.1f);
             Assert.AreEqual(Rest, rt.CurrentStateName);   // 再经 Approach 自然脱战
         }
+
+        [Test]
+        public void Attack_SelfHealsToApproach_WhenNothingActuallyTriggered()
+        {
+            // Attack 只有 attackDone 一条出边，安全性依赖："UseBestAttack 失败时不会留下运行中的能力"。
+            // 若该不变量被破坏，敌人会永久卡在 Attack 里出不来。
+            var ctx = new FakeAiContext();
+            ctx.S.Chase = true;
+            ctx.C.Eligible = true;
+            ctx.C.BestAttackFails = true;         // 够得着，但触发失败
+            var rt = RunAlone(ctx);
+            rt.Tick(0.1f);
+            Assert.AreEqual(ApproachAttackEngagement.Attack, rt.CurrentStateName);
+            Assert.IsNull(ctx.C.Running);         // 什么都没启动
+
+            rt.Tick(0.1f);
+            Assert.AreEqual(ApproachAttackEngagement.Approach, rt.CurrentStateName); // 下一帧自愈
+        }
     }
 }
diff --git a/Assets/Tests/EditMode/AI/Fakes/FakeAiContext.cs b/Assets/Tests/EditMode/AI/Fakes/FakeAiContext.cs
index a0d037bf..34b6b28e 100644
--- a/Assets/Tests/EditMode/AI/Fakes/FakeAiContext.cs
+++ b/Assets/Tests/EditMode/AI/Fakes/FakeAiContext.cs
@@ -26,10 +26,11 @@ namespace BaseGames.Tests.EditMode.AI
         public bool CanUseAbility(string id) => CanUse;
         public void InterruptAbilities() => Running = null;
         public bool Eligible;                    // 测试控制：是否有合格攻击
+        public bool BestAttackFails;             // 模拟：选招器认为够得着，但实际没触发成功
         public bool HasEligibleAttack() => Eligible;
         public bool UseBestAttack()
         {
-            if (!Eligible) return false;
+            if (!Eligible || BestAttackFails) return false;
             Used.Add("best"); Running = "best"; return true;
         }
     }
diff --git a/Assets/_Game/Scripts/Enemies/AIBrain/Modules/Engagement/ApproachAttackEngagement.cs b/Assets/_Game/Scripts/Enemies/AIBrain/Modules/Engagement/ApproachAttackEngagement.cs
index e473322f..96cf612a 100644
--- a/Assets/_Game/Scripts/Enemies/AIBrain/Modules/Engagement/ApproachAttackEngagement.cs
+++ b/Assets/_Game/Scripts/Enemies/AIBrain/Modules/Engagement/ApproachAttackEngagement.cs
@@ -25,6 +25,10 @@ namespace BaseGames.Enemies
                 .OnEnter(x => x.Locomotion.Pursue(x.Sensor.LastKnown))
                 .Tick  (x => x.Locomotion.Pursue(x.Sensor.LastKnown))
                 .OnExit(x => x.Locomotion.Stop())
+                // 边序：attackInRange 先于 leftAllZones。前提是攻击射程恒小于感知区
+                // （EnemyAttackSelector.Eligible 的 InAttackRange 门），故"够得着"不会在
+                // "已脱离全部感知"之后仍成立，两条件不会相争。若将来出现射程大于追击区的招式，
+                // 那属于射程/感知区配置错误，由 AI 配方校验器报出，不要靠调整此处边序绕开。
                 .To(Attack).When(x => x.Combat.HasEligibleAttack(), "attackInRange")
                 .To(rest)  .When(AiStateFragments.LostAllZones, "leftAllZones");