diff --git a/Assets/YooAsset/Samples~/Extension Sample/Scripts/Editor/CustomPackRule.cs b/Assets/YooAsset/Samples~/Extension Sample/Scripts/Editor/CustomPackRule.cs
index 653df5a..ebd7a3c 100644
--- a/Assets/YooAsset/Samples~/Extension Sample/Scripts/Editor/CustomPackRule.cs	
+++ b/Assets/YooAsset/Samples~/Extension Sample/Scripts/Editor/CustomPackRule.cs	
@@ -10,7 +10,7 @@ public class PackEffectTexture : IPackRule
 {
 	private const string PackDirectory = "Assets/Effect/Textures/";
 
-	string IPackRule.GetBundleName(PackRuleData data)
+	PackRuleResult IPackRule.GetPackRuleResult(PackRuleData data)
 	{
 		string assetPath = data.AssetPath;
 		if (assetPath.StartsWith(PackDirectory) == false)
@@ -18,6 +18,43 @@ public class PackEffectTexture : IPackRule
 	
 		string assetName = Path.GetFileName(assetPath).ToLower();
 		string firstChar = assetName.Substring(0, 1);
-		return $"{PackDirectory}effect_texture_{firstChar}";
+		string bundleName = $"{PackDirectory}effect_texture_{firstChar}";
+		var packRuleResult = new PackRuleResult(bundleName, DefaultPackRule.AssetBundleFileExtension);
+		return packRuleResult;
+	}
+
+	bool IPackRule.IsRawFilePackRule()
+	{
+		return false;
+	}
+}
+
+[DisplayName("打包视频（自定义）")]
+public class PackVideo : IPackRule
+{
+	public PackRuleResult GetPackRuleResult(PackRuleData data)
+	{
+		string bundleName = RemoveExtension(data.AssetPath);
+		string fileExtension = Path.GetExtension(data.AssetPath);
+		fileExtension = fileExtension.Remove(0, 1);
+		PackRuleResult result = new PackRuleResult(bundleName, fileExtension);
+		return result;
+	}
+
+	bool IPackRule.IsRawFilePackRule()
+	{
+		return true;
+	}
+
+	private string RemoveExtension(string str)
+	{
+		if (string.IsNullOrEmpty(str))
+			return str;
+
+		int index = str.LastIndexOf(".");
+		if (index == -1)
+			return str;
+		else
+			return str.Remove(index); //"assets/config/test.unity3d" --> "assets/config/test"
 	}
 }
\ No newline at end of file