diff --git a/Assets/YooAsset/Editor/AssetBundleBuilder/AssetBundleBuilder.cs b/Assets/YooAsset/Editor/AssetBundleBuilder/AssetBundleBuilder.cs
index 8e29424..764912c 100644
--- a/Assets/YooAsset/Editor/AssetBundleBuilder/AssetBundleBuilder.cs
+++ b/Assets/YooAsset/Editor/AssetBundleBuilder/AssetBundleBuilder.cs
@@ -89,9 +89,9 @@ namespace YooAsset.Editor
 			/// <summary>
 			/// 获取构建的耗时（单位：秒）
 			/// </summary>
-			public int GetBuildingSeconds()
+			public float GetBuildingSeconds()
 			{
-				int seconds = (int)(_buildWatch.ElapsedMilliseconds / 1000);
+				float seconds = _buildWatch.ElapsedMilliseconds / 1000f;
 				return seconds;
 			}
 			public void BeginWatch()
@@ -139,9 +139,9 @@ namespace YooAsset.Editor
 
 			bool succeed = BuildRunner.Run(pipeline, _buildContext);
 			if (succeed)
-				Debug.Log($"{buildParameters.BuildMode}模式构建成功！");
+				Debug.Log($"{buildParameters.BuildMode} pipeline build succeed !");
 			else
-				Debug.LogWarning($"{buildParameters.BuildMode}模式构建失败！");
+				Debug.LogWarning($"{buildParameters.BuildMode} pipeline build failed !");
 			return succeed;
 		}
 	}
diff --git a/Assets/YooAsset/Editor/AssetBundleBuilder/BuildSystem/BuildRunner.cs b/Assets/YooAsset/Editor/AssetBundleBuilder/BuildSystem/BuildRunner.cs
index aac7f3e..0862b00 100644
--- a/Assets/YooAsset/Editor/AssetBundleBuilder/BuildSystem/BuildRunner.cs
+++ b/Assets/YooAsset/Editor/AssetBundleBuilder/BuildSystem/BuildRunner.cs
@@ -45,14 +45,22 @@ namespace YooAsset.Editor
 		}
 
 		/// <summary>
-		/// 普通日志输出
+		/// 日志输出
 		/// </summary>
 		public static void Log(string info)
 		{
 			if (EnableLog)
 			{
 				UnityEngine.Debug.Log(info);
-			}	
+			}
+		}
+
+		/// <summary>
+		/// 日志输出
+		/// </summary>
+		public static void Info(string info)
+		{
+			UnityEngine.Debug.Log(info);
 		}
 	}
 }
\ No newline at end of file
diff --git a/Assets/YooAsset/Editor/AssetBundleBuilder/BuildTasks/TaskCreateReport.cs b/Assets/YooAsset/Editor/AssetBundleBuilder/BuildTasks/TaskCreateReport.cs
index f05c882..3b457ab 100644
--- a/Assets/YooAsset/Editor/AssetBundleBuilder/BuildTasks/TaskCreateReport.cs
+++ b/Assets/YooAsset/Editor/AssetBundleBuilder/BuildTasks/TaskCreateReport.cs
@@ -12,20 +12,30 @@ namespace YooAsset.Editor
 		{
 			var buildParameters = context.GetContextObject<AssetBundleBuilder.BuildParametersContext>();
 			var buildMapContext = context.GetContextObject<BuildMapContext>();
-			CreateReportFile(buildParameters, buildMapContext);
+			buildParameters.StopWatch();
+
+			var buildMode = buildParameters.Parameters.BuildMode;
+			if (buildMode != EBuildMode.SimulateBuild)
+			{
+				CreateReportFile(buildParameters, buildMapContext);
+			}
+			else
+			{
+				float buildSeconds = buildParameters.GetBuildingSeconds();
+				BuildRunner.Info($"Build time consuming {buildSeconds} seconds.");
+			}
 		}
 
 		private void CreateReportFile(AssetBundleBuilder.BuildParametersContext buildParameters, BuildMapContext buildMapContext)
 		{
 			PatchManifest patchManifest = AssetBundleBuilderHelper.LoadPatchManifestFile(buildParameters.PipelineOutputDirectory, buildParameters.Parameters.BuildVersion);
-			BuildReport buildReport = new BuildReport();
-			buildParameters.StopWatch();
+			BuildReport buildReport = new BuildReport();		
 
 			// 概述信息
 			{
 				buildReport.Summary.UnityVersion = UnityEngine.Application.unityVersion;
 				buildReport.Summary.BuildTime = DateTime.Now.ToString();
-				buildReport.Summary.BuildSeconds = buildParameters.GetBuildingSeconds();
+				buildReport.Summary.BuildSeconds = (int)buildParameters.GetBuildingSeconds();
 				buildReport.Summary.BuildTarget = buildParameters.Parameters.BuildTarget;
 				buildReport.Summary.BuildMode = buildParameters.Parameters.BuildMode;
 				buildReport.Summary.BuildVersion = buildParameters.Parameters.BuildVersion;
diff --git a/Assets/YooAsset/Editor/AssetBundleCollector/AssetBundleCollector.cs b/Assets/YooAsset/Editor/AssetBundleCollector/AssetBundleCollector.cs
index 536325b..f54a8e1 100644
--- a/Assets/YooAsset/Editor/AssetBundleCollector/AssetBundleCollector.cs
+++ b/Assets/YooAsset/Editor/AssetBundleCollector/AssetBundleCollector.cs
@@ -89,6 +89,13 @@ namespace YooAsset.Editor
 		/// </summary>
 		public List<CollectAssetInfo> GetAllCollectAssets(AssetBundleCollectorGroup group)
 		{
+			// 注意：模拟构建模式下只收集主资源
+			if (AssetBundleCollectorSetting.BuildMode == EBuildMode.SimulateBuild)
+			{
+				if (CollectorType != ECollectorType.MainAssetCollector)
+					return new List<CollectAssetInfo>();
+			}
+
 			Dictionary<string, CollectAssetInfo> result = new Dictionary<string, CollectAssetInfo>(1000);
 			bool isRawAsset = PackRuleName == nameof(PackRawFile);