diff --git a/Assets/Scripts/Interaction/PingClickHandler.cs b/Assets/Scripts/Interaction/PingClickHandler.cs
index 0b6bcf4..1a83cc3 100644
--- a/Assets/Scripts/Interaction/PingClickHandler.cs
+++ b/Assets/Scripts/Interaction/PingClickHandler.cs
@@ -47,7 +47,6 @@ public class PingClickHandler : MonoBehaviour
 
     void OnMouseDown()
     {
-        // touchArray 优先
         foreach (var c in Object.FindObjectsOfType<Camera>())
         {
             if (!c.enabled) continue;
@@ -57,7 +56,6 @@ public class PingClickHandler : MonoBehaviour
 
         if (!_modelShown)
         {
-            // 首次点击: 显示模型，隐藏边框，激活下一个 ping
             _modelShown = true;
             StopAllCoroutines();
             if (_modelRenderer != null) _modelRenderer.enabled = true;
@@ -70,7 +68,6 @@ public class PingClickHandler : MonoBehaviour
         }
         else
         {
-            // 模型已显示: 点击显示 chanrao
             if (chanraoObject != null) { chanraoObject.SetActive(true); Debug.Log($"[PingClick] {name} → {chanraoObject.name}"); }
             gameObject.SetActive(false);
             var sm = FindObjectOfType<StepManager>();
@@ -79,6 +76,6 @@ public class PingClickHandler : MonoBehaviour
     }
 
     public void ReEnableBorder() { if (_outlineMesh != null) { _outlineMesh.enabled = true; StopAllCoroutines(); StartCoroutine(BlinkOutline()); } }
-}
     public void UndoSecondClick() {}
     public void UndoShow() { gameObject.SetActive(false); }
+}