update extension sample

This commit is contained in:
何冠峰
2025-04-18 17:11:40 +08:00
parent a384ca1f18
commit 7eb74d4dd1

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@@ -1,4 +1,4 @@
#if UNITY_EDITOR
#if UNITY_EDITOR && UNITY_2021_3_OR_NEWER
using System.IO;
using UnityEngine;
using UnityEngine.UI;