diff --git a/Assets/Tests/EditMode/Enemies/BossPhaseAbilityGateTests.cs b/Assets/Tests/EditMode/Enemies/BossPhaseAbilityGateTests.cs
new file mode 100644
index 00000000..c474feb5
--- /dev/null
+++ b/Assets/Tests/EditMode/Enemies/BossPhaseAbilityGateTests.cs
@@ -0,0 +1,58 @@
+using System.Collections;
+using NUnit.Framework;
+using UnityEngine;
+using UnityEngine.TestTools;
+using BaseGames.Enemies;
+using BaseGames.Enemies.Abilities;
+
+namespace BaseGames.Tests.EditMode.Enemies
+{
+    public class BossPhaseAbilityGateTests
+    {
+        /// <summary>最小可实例化能力：不播动画、不碰 HitBox，只为验证启停与 CanUse。</summary>
+        private sealed class StubAbility : EnemyAbilityBase
+        {
+            /// <summary>
+            /// 编辑模式下 Unity 不会在 AddComponent 时调用 Awake，_enemy 会留空导致 CanUse 恒假。
+            /// 这里手动跑一次真实的 Awake（而非反射直写字段），让依赖解析走生产代码路径。
+            /// </summary>
+            public void RunAwake() => Awake();
+
+            protected override IEnumerator ExecuteCoroutine() { yield break; }
+        }
+
+        /// <summary>测试期建出的宿主对象；在 TearDown 统一销毁，断言失败也不会残留到编辑器场景。</summary>
+        private GameObject _host;
+
+        // RunAwake 时 EnemyAbilityBase 找不到 AnimancerComponent 会告警，与本测试无关。
+        [SetUp]
+        public void SetUp() => LogAssert.ignoreFailingMessages = true;
+
+        [TearDown]
+        public void TearDown()
+        {
+            // 项目关闭了 Domain/Scene Reload：断言失败会跳过用例后续语句，
+            // 清理必须放在 TearDown，否则失败一次就往编辑器场景里漏一个对象。
+            if (_host != null) Object.DestroyImmediate(_host);
+            _host = null;
+            LogAssert.ignoreFailingMessages = false;
+        }
+
+        [Test]
+        public void DisabledAbility_IsNotUsable()
+        {
+            // 必须先挂 EnemyBase：否则 _enemy==null 会让 CanUse 恒假，
+            // 这条断言在修复前也会"通过"，成为一个永远不会失败的测试。
+            _host = new GameObject("ability-host");
+            _host.AddComponent<EnemyBase>();          // 裸 EnemyBase 的 _currentState=Controlled → IsAlive 为真
+            var ab = _host.AddComponent<StubAbility>();
+            ab.RunAwake();                            // 编辑模式不自动跑 Awake，手动解析 _enemy
+
+            Assert.IsTrue(ab.CanUse,
+                "前提：启用且宿主存活时应可用——否则下一条断言分不清是 enabled 还是别的门在起作用");
+
+            ab.enabled = false;
+            Assert.IsFalse(ab.CanUse, "禁用的能力组件不可用——否则选招器会选中一个启不动招的招");
+        }
+    }
+}
diff --git a/Assets/Tests/EditMode/Enemies/BossPhaseAbilityGateTests.cs.meta b/Assets/Tests/EditMode/Enemies/BossPhaseAbilityGateTests.cs.meta
new file mode 100644
index 00000000..f3c91fef
--- /dev/null
+++ b/Assets/Tests/EditMode/Enemies/BossPhaseAbilityGateTests.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: cc78469b00f228648844d2e34c13f80c
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/_Game/Scripts/Enemies/Abilities/EnemyAbilityBase.cs b/Assets/_Game/Scripts/Enemies/Abilities/EnemyAbilityBase.cs
index 42d1a474..9961fe2b 100644
--- a/Assets/_Game/Scripts/Enemies/Abilities/EnemyAbilityBase.cs
+++ b/Assets/_Game/Scripts/Enemies/Abilities/EnemyAbilityBase.cs
@@ -37,11 +37,16 @@ namespace BaseGames.Enemies.Abilities
         public float          CooldownRemaining => Mathf.Max(0f, _cooldownEndTime - Time.time);
         public bool           IsOnCooldown      => CooldownRemaining > 0f;
 
-        /// <summary>能力被外部中断时触发（BD Task / 状态机订阅用）。</summary>
+        /// <summary>能力被外部中断时触发（AI 决策层 / 状态机订阅用）。</summary>
         public event System.Action<InterruptReason> Interrupted;
 
-        /// <summary>BD 任务统一查询入口：当前是否可用（冷却完毕且未执行中）。</summary>
-        public virtual bool CanUse => !_isRunning && !IsOnCooldown && _enemy != null && _enemy.IsAlive;
+        /// <summary>
+        /// 统一可用性查询：组件启用 + 冷却完毕 + 未执行中 + 宿主存活。
+        /// enabled 这一维供阶段门使用——被阶段禁用的能力不得进入选招候选，
+        /// 否则选招器会选中它然后 StartCoroutine 在禁用组件上必然失败。
+        /// </summary>
+        public virtual bool CanUse => enabled && !_isRunning && !IsOnCooldown
+                                      && _enemy != null && _enemy.IsAlive;
 
         // ── IAttackCandidate（供 EnemyAttackSelector 选招）──────────────────
         public bool  RequiresLineOfSight => _config != null && _config.requiresLineOfSight;