diff --git a/App/scripts/TestShoot.cpp b/App/scripts/TestShoot.cpp
index f67c5a8..767157a 100644
--- a/App/scripts/TestShoot.cpp
+++ b/App/scripts/TestShoot.cpp
@@ -81,6 +81,12 @@ namespace {
 
         void OnCollisionEnter(u32 other, const glm::vec3& point,
                               const glm::vec3& normal) override {
+            // 防重入：Destroy 是帧尾延迟执行，命中帧内子弹与碎片群
+            // 可产生多对接触事件（碎片云一块挨一块），无标志会一帧
+            // 爆出 N 个特效（同 WallFracture m_Fired 的一次性触发模式）
+            if (m_Hit) return;
+            m_Hit = true;
+
             (void)other; (void)normal;   // 法线留给将来定向溅射
 
             // 命中特效：空实体锚在命中点，ImpactFx 脚本项由下一帧对账
@@ -101,6 +107,7 @@ namespace {
         glm::vec3 m_Velocity{0.0f};
         f32 m_Lifetime = 5.0f;
         f32 m_Age = 0.0f;
+        bool m_Hit = false;   // 首次命中置位（防同帧多次接触重复特效）
     };
 
     // ---- 命中特效脚本（Bullet 运行时挂载；空实体 + 调试点标占位）----
diff --git a/Engine/src/Serialization/SceneSerializer.cpp b/Engine/src/Serialization/SceneSerializer.cpp
index d8c050c..a81115a 100644
--- a/Engine/src/Serialization/SceneSerializer.cpp
+++ b/Engine/src/Serialization/SceneSerializer.cpp
@@ -440,7 +440,10 @@ namespace Engine::Serialization {
             }
 
             if (const auto* c = reg.try_get<ECS::CameraComponent>(e)) {
-                out << YAML::Key << "Attached" << YAML::Value
+                // 键名 = "Camera"（与读侧 731 行对称；曾误写 "Attached"
+                // 导致 PIE 快照恢复丢相机组件——磁盘场景手写 YAML 键名
+                // Camera 才一直没暴露）
+                out << YAML::Key << "Camera" << YAML::Value
                     << YAML::BeginMap;
                 out << YAML::Key << "Primary" << YAML::Value << c->primary;
                 out << YAML::Key << "Active" << YAML::Value << c->active;