diff --git a/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionClass/HandleBaseExtension.cs b/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionClass/HandleBaseExtension.cs
new file mode 100644
index 00000000..9c686bc1
--- /dev/null
+++ b/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionClass/HandleBaseExtension.cs	
@@ -0,0 +1,12 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using YooAsset;
+
+public static class HandleBaseExtension
+{
+    public static bool IsSucceed(this HandleBase thisHandle)
+    {
+        return thisHandle.IsDone && thisHandle.Status == EOperationStatus.Succeed;
+    }
+}
\ No newline at end of file
diff --git a/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionClass/HandleBaseExtension.cs.meta b/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionClass/HandleBaseExtension.cs.meta
new file mode 100644
index 00000000..f39f52d0
--- /dev/null
+++ b/Assets/YooAsset/Samples~/Extension Sample/Runtime/ExtensionClass/HandleBaseExtension.cs.meta	
@@ -0,0 +1,11 @@
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