diff --git a/Assets/YooAsset/Editor/AssetBundleCollector/AssetBundleCollectorWindow.cs b/Assets/YooAsset/Editor/AssetBundleCollector/AssetBundleCollectorWindow.cs
index 6179ae3..5e484af 100644
--- a/Assets/YooAsset/Editor/AssetBundleCollector/AssetBundleCollectorWindow.cs
+++ b/Assets/YooAsset/Editor/AssetBundleCollector/AssetBundleCollectorWindow.cs
@@ -472,6 +472,7 @@ namespace YooAsset.Editor
 		}
 		private void RefreshHelpBoxTips()
 		{
+#if UNITY_2020_3_OR_NEWER
 			_helpBoxContainer.Clear();
 
 			if (_enableAddressableToogle.value && _locationToLowerToogle.value)
@@ -490,6 +491,7 @@ namespace YooAsset.Editor
 				_helpBoxContainer.style.display = DisplayStyle.Flex;
 			else
 				_helpBoxContainer.style.display = DisplayStyle.None;
+#endif
 		}
 
 		// 包裹列表相关