Fix double click bug in PingClickHandler by clearing blinking flag early

Assets/Scripts/Interaction/PingClickHandler.cs

@@ -96,6 +96,10 @@ public class PingClickHandler : MonoBehaviour
                     if (hit.collider != null && hit.collider.gameObject == gameObject)
                     {
                         Debug.Log($"[PingClick] Update手动射线贯穿点中 (使用相机: {c.name}): {name}");
+                        
+                        // FIX BUG: Prevent multiple clicks in the same frame
+                        _isBlinking = false;
+                        
                         PerformClick();
                         return;
                     }
@@ -106,12 +110,6 @@ public class PingClickHandler : MonoBehaviour
 
     public void PerformClick()
     {
-        if (!_isBlinking) 
-        {
-            Debug.Log($"[PingClick] {name} 忽略点击，因为 _isBlinking=false");
-            return;
-        }
-
         if (!_modelShown)
         {
             _modelShown = true;