diff --git a/Assets/YooAsset/Editor/AssetBundleBuilder/BuildTasks/TaskPrepare.cs b/Assets/YooAsset/Editor/AssetBundleBuilder/BuildTasks/TaskPrepare.cs
index 718cfbb..297620c 100644
--- a/Assets/YooAsset/Editor/AssetBundleBuilder/BuildTasks/TaskPrepare.cs
+++ b/Assets/YooAsset/Editor/AssetBundleBuilder/BuildTasks/TaskPrepare.cs
@@ -16,12 +16,17 @@ namespace YooAsset.Editor
 
 			var buildParameters = buildParametersContext.Parameters;
 
+#if !UNITY_2021_1_OR_NEWER
+			if (buildParameters.BuildPipeline == EBuildPipeline.BuiltinBuildPipeline)
+				throw new Exception($"Unity2021 or newer not support {nameof(EBuildPipeline.BuiltinBuildPipeline)}, Please use {nameof(EBuildPipeline.ScriptableBuildPipeline)}");
+#endif
+
 			// 检测构建参数合法性
 			if (buildParameters.BuildTarget == BuildTarget.NoTarget)
 				throw new Exception("请选择目标平台");
 			if (string.IsNullOrEmpty(buildParameters.PackageName))
 				throw new Exception("包裹名称不能为空");
-			if(string.IsNullOrEmpty(buildParameters.PackageVersion))
+			if (string.IsNullOrEmpty(buildParameters.PackageVersion))
 				throw new Exception("包裹版本不能为空");
 
 			if (buildParameters.BuildMode != EBuildMode.SimulateBuild)