diff --git a/Assets/Scripts/Audio/AudioManager.cs b/Assets/Scripts/Audio/AudioManager.cs
index a8bef54..2b49980 100644
--- a/Assets/Scripts/Audio/AudioManager.cs
+++ b/Assets/Scripts/Audio/AudioManager.cs
@@ -94,5 +94,51 @@ public class AudioManager : MonoBehaviour
         Debug.Log($"[AudioManager] 播放语音: {clip.name}");
     }
 
+    
     public void StopVoice() { _voiceSource.Stop(); }
+
+    public void SwitchToCamera3Smooth()
+    {
+        StartCoroutine(Camera3SwitchRoutine());
+    }
+
+    System.Collections.IEnumerator Camera3SwitchRoutine()
+    {
+        var black = GameObject.Find("BlackScreenPanel");
+        var blackImg = black != null ? black.GetComponent<UnityEngine.UI.Image>() : null;
+        float duration = 0.8f;
+
+        // 渐入黑
+        if (black != null && blackImg != null)
+        {
+            black.SetActive(true);
+            for (float t = 0f; t < duration; t += Time.deltaTime)
+            {
+                blackImg.color = new Color(0, 0, 0, t / duration);
+                yield return null;
+            }
+            blackImg.color = Color.black;
+        }
+
+        // 切换摄像机
+        var cam2 = GameObject.Find("camera2");
+        var cam3 = GameObject.Find("camera3");
+        if (cam2 != null) { var c = cam2.GetComponent<Camera>(); if (c != null) c.enabled = false; }
+        if (cam3 != null) { var c = cam3.GetComponent<Camera>(); if (c != null) c.enabled = true; }
+        Debug.Log("[AudioManager] camera2→camera3 平滑切换完成");
+
+        yield return new WaitForSeconds(0.2f);
+
+        // 渐出黑
+        if (black != null && blackImg != null)
+        {
+            for (float t = 0f; t < duration; t += Time.deltaTime)
+            {
+                blackImg.color = new Color(0, 0, 0, 1f - t / duration);
+                yield return null;
+            }
+            blackImg.color = new Color(0, 0, 0, 0);
+            black.SetActive(false);
+        }
+    }
 }
diff --git a/Assets/Scripts/Interaction/PingClickHandler.cs b/Assets/Scripts/Interaction/PingClickHandler.cs
index 4a61bdc..38e63fc 100644
--- a/Assets/Scripts/Interaction/PingClickHandler.cs
+++ b/Assets/Scripts/Interaction/PingClickHandler.cs
@@ -56,7 +56,7 @@ public class PingClickHandler : MonoBehaviour
         Bounds b;
         if (_meshRenderer != null) b = _meshRenderer.bounds;
         else b = new Bounds(transform.position, new Vector3(0.3f, 0.01f, 0.3f));
-        float y = transform.position.y + 0.1f;
+        float y = _meshRenderer != null ? _meshRenderer.bounds.max.y + 0.02f : transform.position.y + 0.1f;
         Vector3 p0 = new Vector3(b.min.x, y, b.min.z);
         Vector3 p1 = new Vector3(b.min.x, y, b.max.z);
         Vector3 p2 = new Vector3(b.max.x, y, b.max.z);
diff --git a/Assets/Scripts/Interaction/TouchPositionHandler.cs b/Assets/Scripts/Interaction/TouchPositionHandler.cs
index 4f0e090..a8a9461 100644
--- a/Assets/Scripts/Interaction/TouchPositionHandler.cs
+++ b/Assets/Scripts/Interaction/TouchPositionHandler.cs
@@ -66,7 +66,7 @@ public class TouchPositionHandler : MonoBehaviour
 
                 // 点击point1时平滑切换到camera3
         if (transform.GetSiblingIndex() == 0)
-            StartCoroutine(SwitchToCamera3Smooth());
+            var amCam = FindObjectOfType<AudioManager>(); if (amCam != null) amCam.SwitchToCamera3Smooth();
 
         int stepIndex = transform.GetSiblingIndex() + 1;
         var sm = FindObjectOfType<StepManager>();
@@ -110,44 +110,4 @@ public class TouchPositionHandler : MonoBehaviour
         _sharedVoice.clip = voiceClip;
         _sharedVoice.Play();
     }
-    System.Collections.IEnumerator SwitchToCamera3Smooth()
-    {
-        var black = GameObject.Find("BlackScreenPanel");
-        var blackImg = black != null ? black.GetComponent<UnityEngine.UI.Image>() : null;
-        float duration = 0.8f;
-
-        // 渐入黑
-        if (black != null && blackImg != null)
-        {
-            black.SetActive(true);
-            for (float t = 0f; t < duration; t += Time.deltaTime)
-            {
-                blackImg.color = new Color(0, 0, 0, t / duration);
-                yield return null;
-            }
-            blackImg.color = Color.black;
-        }
-
-        // 切换摄像机
-        var cam2 = GameObject.Find("camera2");
-        var cam3 = GameObject.Find("camera3");
-        if (cam2 != null) { var c = cam2.GetComponent<Camera>(); if (c != null) c.enabled = false; }
-        if (cam3 != null) { var c = cam3.GetComponent<Camera>(); if (c != null) c.enabled = true; }
-        Debug.Log("[TouchPosition] camera2→camera3 平滑切换完成");
-
-        yield return new WaitForSeconds(0.2f);
-
-        // 渐出黑
-        if (black != null && blackImg != null)
-        {
-            for (float t = 0f; t < duration; t += Time.deltaTime)
-            {
-                blackImg.color = new Color(0, 0, 0, 1f - t / duration);
-                yield return null;
-            }
-            blackImg.color = new Color(0, 0, 0, 0);
-            black.SetActive(false);
-        }
-    }
-
 }