diff --git a/Assets/Scripts/Item/Point3DItem.cs b/Assets/Scripts/Item/Point3DItem.cs
index 86ae933b..49555550 100644
--- a/Assets/Scripts/Item/Point3DItem.cs
+++ b/Assets/Scripts/Item/Point3DItem.cs
@@ -4,7 +4,6 @@ using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
 using XMLTool;
-using static UnityEditor.Progress;
 
 public class Point3DItem : MonoBehaviour
 {