update runtime code

Assets/YooAsset/Runtime/AssetsPackage.cs

@@ -211,11 +211,11 @@ namespace YooAsset
 		/// <param name="packageVersion">更新的包裹版本</param>
 		/// <param name="autoActiveManifest">自动激活清单</param>
 		/// <param name="timeout">超时时间（默认值：60秒）</param>
-		public UpdatePackageManifestOperation UpdatePackageManifestAsync(string packageVersion, bool autoSaveManifestFile = true, int timeout = 60)
+		public UpdatePackageManifestOperation UpdatePackageManifestAsync(string packageVersion, int timeout = 60)
 		{
 			DebugCheckInitialize();
 			DebugCheckUpdateManifest();
-			return _playModeServices.UpdatePackageManifestAsync(packageVersion, autoSaveManifestFile, timeout);
+			return _playModeServices.UpdatePackageManifestAsync(packageVersion, timeout);
 		}
 
 		/// <summary>
@@ -244,7 +244,9 @@ namespace YooAsset
 		public string GetPackageVersion()
 		{
 			DebugCheckInitialize();
-			return _playModeServices.GetPackageVersion();
+			if (_playModeServices.ActiveManifest == null)
+				return string.Empty;
+			return _playModeServices.ActiveManifest.PackageVersion;
 		}
 
 		/// <summary>

Assets/YooAsset/Runtime/DownloadSystem/UnityWebDataRequester.cs

@@ -11,8 +11,8 @@ namespace YooAsset
 	/// </summary>
 	internal class UnityWebDataRequester
 	{
-		protected UnityWebRequest _webRequest;
+		private UnityWebRequest _webRequest;
-		protected UnityWebRequestAsyncOperation _operationHandle;
+		private UnityWebRequestAsyncOperation _operationHandle;
 
 		/// <summary>
 		/// 请求URL地址

Assets/YooAsset/Runtime/DownloadSystem/UnityWebFileRequester.cs

@@ -2,6 +2,7 @@
 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine.Networking;
+using UnityEngine;
 
 namespace YooAsset
 {
@@ -11,8 +12,14 @@ namespace YooAsset
 	/// </summary>
 	internal class UnityWebFileRequester
 	{
-		protected UnityWebRequest _webRequest;
+		private UnityWebRequest _webRequest;
-		protected UnityWebRequestAsyncOperation _operationHandle;
+		private UnityWebRequestAsyncOperation _operationHandle;
+
+		// 超时相关
+		private float _timeout;
+		private bool _isAbort = false;
+		private ulong _latestDownloadBytes;
+		private float _latestDownloadRealtime;
 
 		/// <summary>
 		/// 请求URL地址
@@ -23,11 +30,12 @@ namespace YooAsset
 		/// <summary>
 		/// 发送GET请求
 		/// </summary>
-		public void SendRequest(string url, string savePath)
+		public void SendRequest(string url, string savePath, float timeout = 60)
 		{
 			if (_webRequest == null)
 			{
 				URL = url;
+				_timeout = timeout;
 				_webRequest = new UnityWebRequest(URL, UnityWebRequest.kHttpVerbGET);
 				DownloadHandlerFile handler = new DownloadHandlerFile(savePath);
 				handler.removeFileOnAbort = true;
@@ -96,5 +104,28 @@ namespace YooAsset
 			}
 			return string.Empty;
 		}
+
+		/// <summary>
+		/// 检测超时
+		/// </summary>
+		public void CheckTimeout()
+		{
+			// 注意：在连续时间段内无新增下载数据及判定为超时
+			if (_isAbort == false)
+			{
+				if (_latestDownloadBytes != _webRequest.downloadedBytes)
+				{
+					_latestDownloadBytes = _webRequest.downloadedBytes;
+					_latestDownloadRealtime = Time.realtimeSinceStartup;
+				}
+
+				float offset = Time.realtimeSinceStartup - _latestDownloadRealtime;
+				if (offset > _timeout)
+				{
+					_webRequest.Abort();
+					_isAbort = true;
+				}
+			}
+		}
 	}
 }

Assets/YooAsset/Runtime/PatchSystem/Operations/CheckContentsIntegrityOperation.cs

@@ -44,14 +44,13 @@ namespace YooAsset
 		{
 			None,
 			CheckLoadedManifest,
-			StartVerifyOperation,
+			VerifyPackage,
-			CheckVerifyOperation,
 			Done,
 		}
 
 		private readonly HostPlayModeImpl _impl;
 		private readonly string _packageName;
-		private VerifyCacheFilesOperation _verifyOperation;
+		private VerifyPackageOperation _verifyOperation;
 		private ESteps _steps = ESteps.None;
 
 		internal HostPlayModeCheckContentsIntegrityOperation(HostPlayModeImpl impl, string packageName)
@@ -70,7 +69,7 @@ namespace YooAsset
 
 			if (_steps == ESteps.CheckLoadedManifest)
 			{
-				if (_impl.ActivePatchManifest == null)
+				if (_impl.ActiveManifest == null)
 				{
 					_steps = ESteps.Done;
 					Status = EOperationStatus.Failed;
@@ -78,19 +77,18 @@ namespace YooAsset
 				}
 				else
 				{
-					_steps = ESteps.StartVerifyOperation;
+					_steps = ESteps.VerifyPackage;
 				}
 			}
 
-			if (_steps == ESteps.StartVerifyOperation)
+			if (_steps == ESteps.VerifyPackage)
 			{
-				_verifyOperation = VerifyCacheFilesOperation.CreateOperation(_impl.ActivePatchManifest, _impl);
+				if (_verifyOperation == null)
-				OperationSystem.StartOperation(_verifyOperation);
+				{
-				_steps = ESteps.CheckVerifyOperation;
+					_verifyOperation = VerifyPackageOperation.CreateOperation(_impl.ActiveManifest, _impl);
-			}
+					OperationSystem.StartOperation(_verifyOperation);
+				}
 
-			if (_steps == ESteps.CheckVerifyOperation)
-			{
 				Progress = _verifyOperation.Progress;
 				if (_verifyOperation.IsDone == false)
 					return;

Assets/YooAsset/Runtime/PatchSystem/Operations/InitializationOperation.cs

@@ -10,10 +10,7 @@ namespace YooAsset
 	/// </summary>
 	public abstract class InitializationOperation : AsyncOperationBase
 	{
-		/// <summary>
+		public string PackageVersion { protected set; get; }
-		/// 初始化内部加载的包裹版本
-		/// </summary>
-		public string InitializedPackageVersion;
 	}
 
 	/// <summary>
@@ -24,53 +21,41 @@ namespace YooAsset
 		private enum ESteps
 		{
 			None,
-			LoadManifestFileData,
+			LoadEditorManifest,
-			CheckDeserializeManifest,
 			Done,
 		}
 
 		private readonly EditorSimulateModeImpl _impl;
-		private readonly string _simulatePatchManifestPath;
+		private readonly string _simulateManifestPath;
-		private DeserializeManifestOperation _deserializer;
+		private LoadEditorManifestOperation _loadEditorManifestOp;
 		private ESteps _steps = ESteps.None;
 
-		internal EditorSimulateModeInitializationOperation(EditorSimulateModeImpl impl, string simulatePatchManifestPath)
+		internal EditorSimulateModeInitializationOperation(EditorSimulateModeImpl impl, string simulateManifestPath)
 		{
 			_impl = impl;
-			_simulatePatchManifestPath = simulatePatchManifestPath;
+			_simulateManifestPath = simulateManifestPath;
 		}
 		internal override void Start()
 		{
-			_steps = ESteps.LoadManifestFileData;
+			_steps = ESteps.LoadEditorManifest;
 		}
 		internal override void Update()
 		{
-			if (_steps == ESteps.LoadManifestFileData)
+			if (_steps == ESteps.LoadEditorManifest)
 			{
-				if (File.Exists(_simulatePatchManifestPath) == false)
+				if (_loadEditorManifestOp == null)
 				{
-					_steps = ESteps.Done;
+					_loadEditorManifestOp = new LoadEditorManifestOperation(_simulateManifestPath);
-					Status = EOperationStatus.Failed;
+					OperationSystem.StartOperation(_loadEditorManifestOp);
-					Error = $"Not found simulation manifest file : {_simulatePatchManifestPath}";
-					return;
 				}
 
-				YooLogger.Log($"Load simulation manifest file : {_simulatePatchManifestPath}");
+				if (_loadEditorManifestOp.IsDone == false)
-				byte[] bytesData = FileUtility.ReadAllBytes(_simulatePatchManifestPath);
-				_deserializer = new DeserializeManifestOperation(bytesData);
-				OperationSystem.StartOperation(_deserializer);
-				_steps = ESteps.CheckDeserializeManifest;
-			}
-
-			if (_steps == ESteps.CheckDeserializeManifest)
-			{
-				if (_deserializer.IsDone == false)
 					return;
 
-				if (_deserializer.Status == EOperationStatus.Succeed)
+				if (_loadEditorManifestOp.Status == EOperationStatus.Succeed)
 				{
-					InitializedPackageVersion = _deserializer.Manifest.PackageVersion;
+					PackageVersion = _loadEditorManifestOp.Manifest.PackageVersion;
-					_impl.ActivePatchManifest = _deserializer.Manifest;
+					_impl.ActiveManifest = _loadEditorManifestOp.Manifest;
 					_steps = ESteps.Done;
 					Status = EOperationStatus.Succeed;
 				}
@@ -78,7 +63,7 @@ namespace YooAsset
 				{
 					_steps = ESteps.Done;
 					Status = EOperationStatus.Failed;
-					Error = _deserializer.Error;
+					Error = _loadEditorManifestOp.Error;
 				}
 			}
 		}
@@ -94,16 +79,15 @@ namespace YooAsset
 			None,
 			QueryBuildinPackageVersion,
 			LoadBuildinManifest,
-			StartVerifyOperation,
+			VerifyPackage,
-			CheckVerifyOperation,
 			Done,
 		}
 
 		private readonly OfflinePlayModeImpl _impl;
 		private readonly string _packageName;
-		private QueryBuildinPackageVersionOperation _buildinPackageVersionQuery;
+		private QueryBuildinPackageVersionOperation _queryBuildinPackageVersionOp;
-		private LoadBuildinManifestOperation _buildinManifestLoad;
+		private LoadBuildinManifestOperation _loadBuildinManifestOp;
-		private VerifyCacheFilesOperation _verifyOperation;
+		private VerifyPackageOperation _verifyOperation;
 		private ESteps _steps = ESteps.None;
 
 		internal OfflinePlayModeInitializationOperation(OfflinePlayModeImpl impl, string packageName)
@@ -122,16 +106,16 @@ namespace YooAsset
 
 			if (_steps == ESteps.QueryBuildinPackageVersion)
 			{
-				if (_buildinPackageVersionQuery == null)
+				if (_queryBuildinPackageVersionOp == null)
 				{
-					_buildinPackageVersionQuery = new QueryBuildinPackageVersionOperation(_packageName);
+					_queryBuildinPackageVersionOp = new QueryBuildinPackageVersionOperation(_packageName);
-					OperationSystem.StartOperation(_buildinPackageVersionQuery);
+					OperationSystem.StartOperation(_queryBuildinPackageVersionOp);
 				}
 
-				if (_buildinPackageVersionQuery.IsDone == false)
+				if (_queryBuildinPackageVersionOp.IsDone == false)
 					return;
 
-				if (_buildinPackageVersionQuery.Status == EOperationStatus.Succeed)
+				if (_queryBuildinPackageVersionOp.Status == EOperationStatus.Succeed)
 				{
 					_steps = ESteps.LoadBuildinManifest;
 				}
@@ -139,45 +123,44 @@ namespace YooAsset
 				{
 					_steps = ESteps.Done;
 					Status = EOperationStatus.Failed;
-					Error = _buildinPackageVersionQuery.Error;
+					Error = _queryBuildinPackageVersionOp.Error;
 				}
 			}
 
 			if (_steps == ESteps.LoadBuildinManifest)
 			{
-				if (_buildinManifestLoad == null)
+				if (_loadBuildinManifestOp == null)
 				{
-					_buildinManifestLoad = new LoadBuildinManifestOperation(_packageName, _buildinPackageVersionQuery.Version);
+					_loadBuildinManifestOp = new LoadBuildinManifestOperation(_packageName, _queryBuildinPackageVersionOp.PackageVersion);
-					OperationSystem.StartOperation(_buildinManifestLoad);
+					OperationSystem.StartOperation(_loadBuildinManifestOp);
 				}
 
-				Progress = _buildinManifestLoad.Progress;
+				Progress = _loadBuildinManifestOp.Progress;
-				if (_buildinManifestLoad.IsDone == false)
+				if (_loadBuildinManifestOp.IsDone == false)
 					return;
 
-				if (_buildinManifestLoad.Status == EOperationStatus.Succeed)
+				if (_loadBuildinManifestOp.Status == EOperationStatus.Succeed)
 				{
-					InitializedPackageVersion = _buildinManifestLoad.Manifest.PackageVersion;
+					PackageVersion = _loadBuildinManifestOp.Manifest.PackageVersion;
-					_impl.ActivePatchManifest = _buildinManifestLoad.Manifest;
+					_impl.ActiveManifest = _loadBuildinManifestOp.Manifest;
-					_steps = ESteps.StartVerifyOperation;
+					_steps = ESteps.VerifyPackage;
 				}
 				else
 				{
 					_steps = ESteps.Done;
 					Status = EOperationStatus.Failed;
-					Error = _buildinManifestLoad.Error;
+					Error = _loadBuildinManifestOp.Error;
 				}
 			}
 
-			if (_steps == ESteps.StartVerifyOperation)
+			if (_steps == ESteps.VerifyPackage)
 			{
-				_verifyOperation = VerifyCacheFilesOperation.CreateOperation(_impl.ActivePatchManifest, _impl);
+				if (_verifyOperation == null)
-				OperationSystem.StartOperation(_verifyOperation);
+				{
-				_steps = ESteps.CheckVerifyOperation;
+					_verifyOperation = VerifyPackageOperation.CreateOperation(_impl.ActiveManifest, _impl);
-			}
+					OperationSystem.StartOperation(_verifyOperation);
+				}
 
-			if (_steps == ESteps.CheckVerifyOperation)
-			{
 				Progress = _verifyOperation.Progress;
 				if (_verifyOperation.IsDone)
 				{
@@ -198,22 +181,25 @@ namespace YooAsset
 		{
 			None,
 			CheckAppFootPrint,
+			QueryCachePackageVersion,
 			TryLoadCacheManifest,
 			QueryBuildinPackageVersion,
+			CopyBuildinPackageHash,
 			CopyBuildinManifest,
 			LoadBuildinManifest,
-			StartVerifyOperation,
+			VerifyPackage,
-			CheckVerifyOperation,
 			Done,
 		}
 
 		private readonly HostPlayModeImpl _impl;
 		private readonly string _packageName;
-		private QueryBuildinPackageVersionOperation _buildinPackageVersionQuery;
+		private QueryBuildinPackageVersionOperation _queryBuildinPackageVersionOp;
-		private CopyBuildinManifestOperation _buildinManifestCopy;
+		private QueryCachePackageVersionOperation _queryCachePackageVersionOp;
-		private LoadBuildinManifestOperation _buildinManifestLoad;
+		private CopyBuildinPackageHashOperation _copyBuildinPackageHashOp;
-		private LoadCacheManifestOperation _cacheManifestLoad;
+		private CopyBuildinManifestOperation _copyBuildinManifestOp;
-		private VerifyCacheFilesOperation _verifyOperation;
+		private LoadBuildinManifestOperation _loadBuildinManifestOp;
+		private LoadCacheManifestOperation _loadCacheManifestOp;
+		private VerifyPackageOperation _verifyOperation;
 		private ESteps _steps = ESteps.None;
 
 		internal HostPlayModeInitializationOperation(HostPlayModeImpl impl, string packageName)
@@ -242,25 +228,46 @@ namespace YooAsset
 					appFootPrint.Coverage();
 					YooLogger.Log("Delete manifest files when application foot print dirty !");
 				}
-				_steps = ESteps.TryLoadCacheManifest;
+				_steps = ESteps.QueryCachePackageVersion;
+			}
+
+			if (_steps == ESteps.QueryCachePackageVersion)
+			{
+				if (_queryCachePackageVersionOp == null)
+				{
+					_queryCachePackageVersionOp = new QueryCachePackageVersionOperation(_packageName);
+					OperationSystem.StartOperation(_queryCachePackageVersionOp);
+				}
+
+				if (_queryCachePackageVersionOp.IsDone == false)
+					return;
+
+				if (_queryCachePackageVersionOp.Status == EOperationStatus.Succeed)
+				{
+					_steps = ESteps.TryLoadCacheManifest;
+				}
+				else
+				{
+					_steps = ESteps.QueryBuildinPackageVersion;
+				}
 			}
 
 			if (_steps == ESteps.TryLoadCacheManifest)
 			{
-				if (_cacheManifestLoad == null)
+				if (_loadCacheManifestOp == null)
 				{
-					_cacheManifestLoad = new LoadCacheManifestOperation(_packageName);
+					_loadCacheManifestOp = new LoadCacheManifestOperation(_packageName, _queryCachePackageVersionOp.PackageVersion);
-					OperationSystem.StartOperation(_cacheManifestLoad);
+					OperationSystem.StartOperation(_loadCacheManifestOp);
 				}
 
-				if (_cacheManifestLoad.IsDone == false)
+				if (_loadCacheManifestOp.IsDone == false)
 					return;
 
-				if (_cacheManifestLoad.Status == EOperationStatus.Succeed)
+				if (_loadCacheManifestOp.Status == EOperationStatus.Succeed)
 				{
-					InitializedPackageVersion = _cacheManifestLoad.Manifest.PackageVersion;
+					PackageVersion = _loadCacheManifestOp.Manifest.PackageVersion;
-					_impl.ActivePatchManifest = _cacheManifestLoad.Manifest;
+					_impl.ActiveManifest = _loadCacheManifestOp.Manifest;
-					_steps = ESteps.StartVerifyOperation;
+					_steps = ESteps.VerifyPackage;
 				}
 				else
 				{
@@ -270,42 +277,64 @@ namespace YooAsset
 
 			if (_steps == ESteps.QueryBuildinPackageVersion)
 			{
-				if (_buildinPackageVersionQuery == null)
+				if (_queryBuildinPackageVersionOp == null)
 				{
-					_buildinPackageVersionQuery = new QueryBuildinPackageVersionOperation(_packageName);
+					_queryBuildinPackageVersionOp = new QueryBuildinPackageVersionOperation(_packageName);
-					OperationSystem.StartOperation(_buildinPackageVersionQuery);
+					OperationSystem.StartOperation(_queryBuildinPackageVersionOp);
 				}
 
-				if (_buildinPackageVersionQuery.IsDone == false)
+				if (_queryBuildinPackageVersionOp.IsDone == false)
 					return;
 
 				// 注意：为了兼容MOD模式，初始化动态新增的包裹的时候，如果内置清单不存在也不需要报错！
-				if (_buildinPackageVersionQuery.Status == EOperationStatus.Succeed)
+				if (_queryBuildinPackageVersionOp.Status == EOperationStatus.Succeed)
+				{
+					_steps = ESteps.CopyBuildinPackageHash;
+				}
+				else
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Succeed;
+					string error = _queryBuildinPackageVersionOp.Error;
+					YooLogger.Log($"Failed to load buildin package version file : {error}");
+				}
+			}
+
+			if (_steps == ESteps.CopyBuildinPackageHash)
+			{
+				if (_copyBuildinPackageHashOp == null)
+				{
+					_copyBuildinPackageHashOp = new CopyBuildinPackageHashOperation(_packageName, _queryBuildinPackageVersionOp.PackageVersion);
+					OperationSystem.StartOperation(_copyBuildinPackageHashOp);
+				}
+
+				if (_copyBuildinPackageHashOp.IsDone == false)
+					return;
+
+				if (_copyBuildinPackageHashOp.Status == EOperationStatus.Succeed)
 				{
 					_steps = ESteps.CopyBuildinManifest;
 				}
 				else
 				{
 					_steps = ESteps.Done;
-					Status = EOperationStatus.Succeed;
+					Status = EOperationStatus.Failed;
-					string error = _buildinPackageVersionQuery.Error;
+					Error = _copyBuildinPackageHashOp.Error;
-					YooLogger.Log($"Failed to load buildin package version file : {error}");
 				}
 			}
 
 			if (_steps == ESteps.CopyBuildinManifest)
 			{
-				if (_buildinManifestCopy == null)
+				if (_copyBuildinManifestOp == null)
 				{
-					_buildinManifestCopy = new CopyBuildinManifestOperation(_packageName, _buildinPackageVersionQuery.Version);
+					_copyBuildinManifestOp = new CopyBuildinManifestOperation(_packageName, _queryBuildinPackageVersionOp.PackageVersion);
-					OperationSystem.StartOperation(_buildinManifestCopy);
+					OperationSystem.StartOperation(_copyBuildinManifestOp);
 				}
 
-				Progress = _buildinManifestCopy.Progress;
+				if (_copyBuildinManifestOp.IsDone == false)
-				if (_buildinManifestCopy.IsDone == false)
 					return;
 
-				if (_buildinManifestCopy.Status == EOperationStatus.Succeed)
+				if (_copyBuildinManifestOp.Status == EOperationStatus.Succeed)
 				{
 					_steps = ESteps.LoadBuildinManifest;
 				}
@@ -313,45 +342,44 @@ namespace YooAsset
 				{
 					_steps = ESteps.Done;
 					Status = EOperationStatus.Failed;
-					Error = _buildinManifestCopy.Error;
+					Error = _copyBuildinManifestOp.Error;
 				}
 			}
 
 			if (_steps == ESteps.LoadBuildinManifest)
 			{
-				if (_buildinManifestLoad == null)
+				if (_loadBuildinManifestOp == null)
 				{
-					_buildinManifestLoad = new LoadBuildinManifestOperation(_packageName, _buildinPackageVersionQuery.Version);
+					_loadBuildinManifestOp = new LoadBuildinManifestOperation(_packageName, _queryBuildinPackageVersionOp.PackageVersion);
-					OperationSystem.StartOperation(_buildinManifestLoad);
+					OperationSystem.StartOperation(_loadBuildinManifestOp);
 				}
 
-				Progress = _buildinManifestLoad.Progress;
+				Progress = _loadBuildinManifestOp.Progress;
-				if (_buildinManifestLoad.IsDone == false)
+				if (_loadBuildinManifestOp.IsDone == false)
 					return;
 
-				if (_buildinManifestLoad.Status == EOperationStatus.Succeed)
+				if (_loadBuildinManifestOp.Status == EOperationStatus.Succeed)
 				{
-					InitializedPackageVersion = _buildinManifestLoad.Manifest.PackageVersion;
+					PackageVersion = _loadBuildinManifestOp.Manifest.PackageVersion;
-					_impl.ActivePatchManifest = _buildinManifestLoad.Manifest;
+					_impl.ActiveManifest = _loadBuildinManifestOp.Manifest;
-					_steps = ESteps.StartVerifyOperation;
+					_steps = ESteps.VerifyPackage;
 				}
 				else
 				{
 					_steps = ESteps.Done;
 					Status = EOperationStatus.Failed;
-					Error = _buildinManifestLoad.Error;
+					Error = _loadBuildinManifestOp.Error;
 				}
 			}
 
-			if (_steps == ESteps.StartVerifyOperation)
+			if (_steps == ESteps.VerifyPackage)
 			{
-				_verifyOperation = VerifyCacheFilesOperation.CreateOperation(_impl.ActivePatchManifest, _impl);
+				if (_verifyOperation == null)
-				OperationSystem.StartOperation(_verifyOperation);
+				{
-				_steps = ESteps.CheckVerifyOperation;
+					_verifyOperation = VerifyPackageOperation.CreateOperation(_impl.ActiveManifest, _impl);
-			}
+					OperationSystem.StartOperation(_verifyOperation);
+				}
 
-			if (_steps == ESteps.CheckVerifyOperation)
-			{
 				Progress = _verifyOperation.Progress;
 				if (_verifyOperation.IsDone)
 				{
@@ -362,7 +390,6 @@ namespace YooAsset
 		}
 	}
 
-
 	/// <summary>
 	/// 应用程序水印
 	/// </summary>

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/CopyBuildinManifestOperation.cs

@@ -1,16 +1,12 @@
 
 namespace YooAsset
 {
-	/// <summary>
-	/// 内置补丁清单复制器
-	/// </summary>
 	internal class CopyBuildinManifestOperation : AsyncOperationBase
 	{
 		private enum ESteps
 		{
 			None,
-			CopyBuildinManifest,
+			CopyBuildinManifestFile,
-			CheckCopyBuildinManifest,
 			Done,
 		}
 
@@ -19,7 +15,6 @@ namespace YooAsset
 		private UnityWebFileRequester _downloader;
 		private ESteps _steps = ESteps.None;
 
-
 		public CopyBuildinManifestOperation(string buildinPackageName, string buildinPackageVersion)
 		{
 			_buildinPackageName = buildinPackageName;
@@ -27,26 +22,25 @@ namespace YooAsset
 		}
 		internal override void Start()
 		{
-			_steps = ESteps.CopyBuildinManifest;
+			_steps = ESteps.CopyBuildinManifestFile;
 		}
 		internal override void Update()
 		{
 			if (_steps == ESteps.None || _steps == ESteps.Done)
 				return;
 
-			if (_steps == ESteps.CopyBuildinManifest)
+			if (_steps == ESteps.CopyBuildinManifestFile)
 			{
-				string savePath = PersistentHelper.GetCacheManifestFilePath(_buildinPackageName);
+				if (_downloader == null)
-				string fileName = YooAssetSettingsData.GetPatchManifestBinaryFileName(_buildinPackageName, _buildinPackageVersion);
+				{
-				string filePath = PathHelper.MakeStreamingLoadPath(fileName);
+					string savePath = PersistentHelper.GetCacheManifestFilePath(_buildinPackageName, _buildinPackageVersion);
-				string url = PathHelper.ConvertToWWWPath(filePath);
+					string fileName = YooAssetSettingsData.GetManifestBinaryFileName(_buildinPackageName, _buildinPackageVersion);
-				_downloader = new UnityWebFileRequester();
+					string filePath = PathHelper.MakeStreamingLoadPath(fileName);
-				_downloader.SendRequest(url, savePath);
+					string url = PathHelper.ConvertToWWWPath(filePath);
-				_steps = ESteps.CheckCopyBuildinManifest;
+					_downloader = new UnityWebFileRequester();
-			}
+					_downloader.SendRequest(url, savePath);
+				}
 
-			if (_steps == ESteps.CheckCopyBuildinManifest)
-			{
 				if (_downloader.IsDone() == false)
 					return;
 

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/CopyBuildinPackageHashOperation.cs

@@ -0,0 +1,63 @@
+
+namespace YooAsset
+{
+	internal class CopyBuildinPackageHashOperation : AsyncOperationBase
+	{
+		private enum ESteps
+		{
+			None,
+			CopyBuildinPackageHashFile,
+			Done,
+		}
+
+		private readonly string _buildinPackageName;
+		private readonly string _buildinPackageVersion;
+		private UnityWebFileRequester _downloader;
+		private ESteps _steps = ESteps.None;
+
+		public CopyBuildinPackageHashOperation(string buildinPackageName, string buildinPackageVersion)
+		{
+			_buildinPackageName = buildinPackageName;
+			_buildinPackageVersion = buildinPackageVersion;
+		}
+		internal override void Start()
+		{
+			_steps = ESteps.CopyBuildinPackageHashFile;
+		}
+		internal override void Update()
+		{
+			if (_steps == ESteps.None || _steps == ESteps.Done)
+				return;
+
+			if (_steps == ESteps.CopyBuildinPackageHashFile)
+			{
+				if (_downloader == null)
+				{
+					string savePath = PersistentHelper.GetCachePackageHashFilePath(_buildinPackageName, _buildinPackageVersion);
+					string fileName = YooAssetSettingsData.GetPackageHashFileName(_buildinPackageName, _buildinPackageVersion);
+					string filePath = PathHelper.MakeStreamingLoadPath(fileName);
+					string url = PathHelper.ConvertToWWWPath(filePath);
+					_downloader = new UnityWebFileRequester();
+					_downloader.SendRequest(url, savePath);
+				}
+
+				if (_downloader.IsDone() == false)
+					return;
+
+				if (_downloader.HasError())
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = _downloader.GetError();
+				}
+				else
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Succeed;
+				}
+
+				_downloader.Dispose();
+			}
+		}
+	}
+}

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/CopyBuildinPackageHashOperation.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: bb073431e4f3b434e8431b3a8a808dfb
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/DeserializeManifestOperation.cs

@@ -17,13 +17,17 @@ namespace YooAsset
 			Done,
 		}
 	
-		public PatchManifest Manifest { private set; get; }
 		private readonly BufferReader _buffer;
 		private int _patchAssetCount;
 		private int _patchBundleCount;
 		private int _progressTotalValue;
 		private ESteps _steps = ESteps.None;
 
+		/// <summary>
+		/// 解析的清单实例
+		/// </summary>
+		public PatchManifest Manifest { private set; get; }
+
 		public DeserializeManifestOperation(byte[] binaryData)
 		{
 			_buffer = new BufferReader(binaryData);

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/DownloadManifestOperation.cs

@@ -0,0 +1,111 @@
+
+namespace YooAsset
+{
+	internal class DownloadManifestOperation : AsyncOperationBase
+	{
+		private enum ESteps
+		{
+			None,
+			DownloadPackageHash,
+			DownloadManifest,
+			Done,
+		}
+
+		private static int RequestCount = 0;
+		private readonly HostPlayModeImpl _impl;
+		private readonly string _packageName;
+		private readonly string _packageVersion;
+		private readonly int _timeout;
+		private UnityWebFileRequester _downloader1;
+		private UnityWebFileRequester _downloader2;
+		private ESteps _steps = ESteps.None;
+
+		internal DownloadManifestOperation(HostPlayModeImpl impl, string packageName, string packageVersion, int timeout)
+		{
+			_impl = impl;
+			_packageName = packageName;
+			_packageVersion = packageVersion;
+			_timeout = timeout;
+		}
+		internal override void Start()
+		{
+			RequestCount++;
+			_steps = ESteps.DownloadPackageHash;
+		}
+		internal override void Update()
+		{
+			if (_steps == ESteps.None || _steps == ESteps.Done)
+				return;
+
+			if (_steps == ESteps.DownloadPackageHash)
+			{
+				if (_downloader1 == null)
+				{
+					string savePath = PersistentHelper.GetCachePackageHashFilePath(_packageName, _packageVersion);
+					string fileName = YooAssetSettingsData.GetPackageHashFileName(_packageName, _packageVersion);
+					string webURL = GetDownloadRequestURL(fileName);
+					YooLogger.Log($"Beginning to download package hash file : {webURL}");
+					_downloader1 = new UnityWebFileRequester();
+					_downloader1.SendRequest(webURL, savePath, _timeout);
+				}
+
+				_downloader1.CheckTimeout();
+				if (_downloader1.IsDone() == false)
+					return;
+
+				if (_downloader1.HasError())
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = _downloader1.GetError();
+				}
+				else
+				{
+					_steps = ESteps.DownloadManifest;
+				}
+
+				_downloader1.Dispose();
+			}
+
+			if (_steps == ESteps.DownloadManifest)
+			{
+				if (_downloader2 == null)
+				{
+					string savePath = PersistentHelper.GetCacheManifestFilePath(_packageName, _packageVersion);
+					string fileName = YooAssetSettingsData.GetManifestBinaryFileName(_packageName, _packageVersion);
+					string webURL = GetDownloadRequestURL(fileName);
+					YooLogger.Log($"Beginning to download manifest file : {webURL}");
+					_downloader2 = new UnityWebFileRequester();
+					_downloader2.SendRequest(webURL, savePath, _timeout);
+				}
+
+				_downloader2.CheckTimeout();
+				if (_downloader2.IsDone() == false)
+					return;
+
+				if (_downloader2.HasError())
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = _downloader2.GetError();
+				}
+				else
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Succeed;
+				}
+
+				_downloader2.Dispose();
+			}
+		}
+
+		private string GetDownloadRequestURL(string fileName)
+		{
+			// 轮流返回请求地址
+			if (RequestCount % 2 == 0)
+				return _impl.GetPatchDownloadFallbackURL(fileName);
+			else
+				return _impl.GetPatchDownloadMainURL(fileName);
+		}
+	}
+}

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/DownloadManifestOperation.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: fccaa9437207a174d858ce44f14f5a03
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/LoadBuildinManifestOperation.cs

@@ -1,16 +1,12 @@
 
 namespace YooAsset
 {
-	/// <summary>
-	/// 内置补丁清单加载器
-	/// </summary>
 	internal class LoadBuildinManifestOperation : AsyncOperationBase
 	{
 		private enum ESteps
 		{
 			None,
 			LoadBuildinManifest,
-			CheckLoadBuildinManifest,
 			CheckDeserializeManifest,
 			Done,
 		}
@@ -22,7 +18,7 @@ namespace YooAsset
 		private ESteps _steps = ESteps.None;
 
 		/// <summary>
-		/// 加载结果
+		/// 加载的清单实例
 		/// </summary>
 		public PatchManifest Manifest { private set; get; }
 
@@ -43,16 +39,15 @@ namespace YooAsset
 
 			if (_steps == ESteps.LoadBuildinManifest)
 			{
-				string fileName = YooAssetSettingsData.GetPatchManifestBinaryFileName(_buildinPackageName, _buildinPackageVersion);
+				if (_downloader == null)
-				string filePath = PathHelper.MakeStreamingLoadPath(fileName);
+				{
-				string url = PathHelper.ConvertToWWWPath(filePath);
+					string fileName = YooAssetSettingsData.GetManifestBinaryFileName(_buildinPackageName, _buildinPackageVersion);
-				_downloader = new UnityWebDataRequester();
+					string filePath = PathHelper.MakeStreamingLoadPath(fileName);
-				_downloader.SendRequest(url);
+					string url = PathHelper.ConvertToWWWPath(filePath);
-				_steps = ESteps.CheckLoadBuildinManifest;
+					_downloader = new UnityWebDataRequester();
-			}
+					_downloader.SendRequest(url);
+				}
 
-			if (_steps == ESteps.CheckLoadBuildinManifest)
-			{
 				if (_downloader.IsDone() == false)
 					return;
 

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/LoadCacheManifestOperation.cs

@@ -2,54 +2,97 @@
 
 namespace YooAsset
 {
-	/// <summary>
-	/// 沙盒补丁清单加载器
-	/// </summary>
 	internal class LoadCacheManifestOperation : AsyncOperationBase
 	{
 		private enum ESteps
 		{
 			None,
-			LoadCacheManifestFile,
+			QueryCachePackageHash,
+			VerifyFileHash,
+			LoadCacheManifest,
 			CheckDeserializeManifest,
 			Done,
 		}
 
 		private readonly string _packageName;
+		private readonly string _packageVersion;
+		private QueryCachePackageHashOperation _queryCachePackageHashOp;
 		private DeserializeManifestOperation _deserializer;
 		private string _manifestFilePath;
 		private ESteps _steps = ESteps.None;
 
 		/// <summary>
-		/// 加载结果
+		/// 加载的清单实例
 		/// </summary>
 		public PatchManifest Manifest { private set; get; }
 
 
-		public LoadCacheManifestOperation(string packageName)
+		public LoadCacheManifestOperation(string packageName, string packageVersion)
 		{
 			_packageName = packageName;
+			_packageVersion = packageVersion;
 		}
 		internal override void Start()
 		{
-			_steps = ESteps.LoadCacheManifestFile;
+			_steps = ESteps.QueryCachePackageHash;
 		}
 		internal override void Update()
 		{
 			if (_steps == ESteps.None || _steps == ESteps.Done)
 				return;
 
-			if (_steps == ESteps.LoadCacheManifestFile)
+			if (_steps == ESteps.QueryCachePackageHash)
 			{
-				_manifestFilePath = PersistentHelper.GetCacheManifestFilePath(_packageName);
+				if (_queryCachePackageHashOp == null)
+				{
+					_queryCachePackageHashOp = new QueryCachePackageHashOperation(_packageName, _packageVersion);
+					OperationSystem.StartOperation(_queryCachePackageHashOp);
+				}
+
+				if (_queryCachePackageHashOp.IsDone == false)
+					return;
+
+				if (_queryCachePackageHashOp.Status == EOperationStatus.Succeed)
+				{
+					_steps = ESteps.VerifyFileHash;
+				}
+				else
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = _queryCachePackageHashOp.Error;
+					ClearCacheFile();
+				}
+			}
+
+			if (_steps == ESteps.VerifyFileHash)
+			{
+				_manifestFilePath = PersistentHelper.GetCacheManifestFilePath(_packageName, _packageVersion);
 				if (File.Exists(_manifestFilePath) == false)
 				{
 					_steps = ESteps.Done;
 					Status = EOperationStatus.Failed;
-					Error = $"Manifest file not found : {_manifestFilePath}";
+					Error = $"Not found cache manifest file : {_manifestFilePath}";
+					ClearCacheFile();
 					return;
 				}
 
+				string fileHash = HashUtility.FileMD5(_manifestFilePath);
+				if (fileHash != _queryCachePackageHashOp.PackageHash)
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = "Failed to verify cache manifest file hash !";
+					ClearCacheFile();
+				}
+				else
+				{
+					_steps = ESteps.LoadCacheManifest;
+				}
+			}
+
+			if (_steps == ESteps.LoadCacheManifest)
+			{
 				byte[] bytesData = File.ReadAllBytes(_manifestFilePath);
 				_deserializer = new DeserializeManifestOperation(bytesData);
 				OperationSystem.StartOperation(_deserializer);
@@ -73,16 +116,26 @@ namespace YooAsset
 					_steps = ESteps.Done;
 					Status = EOperationStatus.Failed;
 					Error = _deserializer.Error;
-
+					ClearCacheFile();
-					// 注意：如果加载沙盒内的清单报错，为了避免流程被卡住，我们主动把损坏的文件删除。
-					if (File.Exists(_manifestFilePath))
-					{
-						YooLogger.Warning($"Failed to load cache manifest file : {Error}");
-						YooLogger.Warning($"Invalid cache manifest file have been removed : {_manifestFilePath}");
-						File.Delete(_manifestFilePath);
-					}
 				}
 			}
 		}
+
+		private void ClearCacheFile()
+		{
+			// 注意：如果加载沙盒内的清单报错，为了避免流程被卡住，主动把损坏的文件删除。
+			if (File.Exists(_manifestFilePath))
+			{
+				YooLogger.Warning($"Failed to load cache manifest file : {Error}");
+				YooLogger.Warning($"Invalid cache manifest file have been removed : {_manifestFilePath}");
+				File.Delete(_manifestFilePath);
+			}
+
+			string hashFilePath = PersistentHelper.GetCachePackageHashFilePath(_packageName, _packageVersion);
+			if (File.Exists(hashFilePath))
+			{
+				File.Delete(hashFilePath);
+			}
+		}
 	}
 }

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/LoadEditorManifestOperation.cs

@@ -0,0 +1,76 @@
+using System.IO;
+
+namespace YooAsset
+{
+	internal class LoadEditorManifestOperation : AsyncOperationBase
+	{
+		private enum ESteps
+		{
+			None,
+			LoadEditorManifest,
+			CheckDeserializeManifest,
+			Done,
+		}
+
+		private readonly string _manifestFilePath;
+		private DeserializeManifestOperation _deserializer;
+		private ESteps _steps = ESteps.None;
+
+		/// <summary>
+		/// 加载的清单实例
+		/// </summary>
+		public PatchManifest Manifest { private set; get; }
+
+
+		public LoadEditorManifestOperation(string manifestFilePath)
+		{
+			_manifestFilePath = manifestFilePath;
+		}
+		internal override void Start()
+		{
+			_steps = ESteps.LoadEditorManifest;
+		}
+		internal override void Update()
+		{
+			if (_steps == ESteps.None || _steps == ESteps.Done)
+				return;
+
+			if (_steps == ESteps.LoadEditorManifest)
+			{
+				if (File.Exists(_manifestFilePath) == false)
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = $"Not found simulation manifest file : {_manifestFilePath}";
+					return;
+				}
+				
+				YooLogger.Log($"Load editor manifest file : {_manifestFilePath}");
+				byte[] bytesData = FileUtility.ReadAllBytes(_manifestFilePath);
+				_deserializer = new DeserializeManifestOperation(bytesData);
+				OperationSystem.StartOperation(_deserializer);
+				_steps = ESteps.CheckDeserializeManifest;
+			}
+
+			if (_steps == ESteps.CheckDeserializeManifest)
+			{
+				Progress = _deserializer.Progress;
+				if (_deserializer.IsDone == false)
+					return;
+
+				if (_deserializer.Status == EOperationStatus.Succeed)
+				{
+					Manifest = _deserializer.Manifest;
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Succeed;
+				}
+				else
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = _deserializer.Error;
+				}
+			}
+		}
+	}
+}

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/LoadEditorManifestOperation.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 246df4d20b431c648a0821231a805e6b
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/QueryBuildinPackageVersionOperation.cs

@@ -1,16 +1,12 @@
 
 namespace YooAsset
 {
-	/// <summary>
-	/// 内置补丁清单版本查询器
-	/// </summary>
 	internal class QueryBuildinPackageVersionOperation : AsyncOperationBase
 	{
 		private enum ESteps
 		{
 			None,
-			LoadPackageVersion,
+			LoadBuildinPackageVersionFile,
-			CheckLoadPackageVersion,
 			Done,
 		}
 
@@ -19,9 +15,9 @@ namespace YooAsset
 		private ESteps _steps = ESteps.None;
 
 		/// <summary>
-		/// 内置包裹版本
+		/// 包裹版本
 		/// </summary>
-		public string Version { private set; get; }
+		public string PackageVersion { private set; get; }
 
 
 		public QueryBuildinPackageVersionOperation(string packageName)
@@ -30,25 +26,24 @@ namespace YooAsset
 		}
 		internal override void Start()
 		{
-			_steps = ESteps.LoadPackageVersion;
+			_steps = ESteps.LoadBuildinPackageVersionFile;
 		}
 		internal override void Update()
 		{
 			if (_steps == ESteps.None || _steps == ESteps.Done)
 				return;
 
-			if (_steps == ESteps.LoadPackageVersion)
+			if (_steps == ESteps.LoadBuildinPackageVersionFile)
 			{
-				string fileName = YooAssetSettingsData.GetPatchManifestVersionFileName(_packageName);
+				if (_downloader == null)
-				string filePath = PathHelper.MakeStreamingLoadPath(fileName);
+				{
-				string url = PathHelper.ConvertToWWWPath(filePath);
+					string fileName = YooAssetSettingsData.GetPackageVersionFileName(_packageName);
-				_downloader = new UnityWebDataRequester();
+					string filePath = PathHelper.MakeStreamingLoadPath(fileName);
-				_downloader.SendRequest(url);
+					string url = PathHelper.ConvertToWWWPath(filePath);
-				_steps = ESteps.CheckLoadPackageVersion;
+					_downloader = new UnityWebDataRequester();
-			}
+					_downloader.SendRequest(url);
+				}
 
-			if (_steps == ESteps.CheckLoadPackageVersion)
-			{
 				if (_downloader.IsDone() == false)
 					return;
 
@@ -60,8 +55,8 @@ namespace YooAsset
 				}
 				else
 				{
-					Version = _downloader.GetText();
+					PackageVersion = _downloader.GetText();
-					if (string.IsNullOrEmpty(Version))
+					if (string.IsNullOrEmpty(PackageVersion))
 					{
 						_steps = ESteps.Done;
 						Status = EOperationStatus.Failed;

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/QueryCachePackageHashOperation.cs

@@ -0,0 +1,64 @@
+using System.IO;
+
+namespace YooAsset
+{
+	internal class QueryCachePackageHashOperation : AsyncOperationBase
+	{
+		private enum ESteps
+		{
+			None,
+			LoadCachePackageHashFile,
+			Done,
+		}
+
+		private readonly string _packageName;
+		private readonly string _packageVersion;
+		private ESteps _steps = ESteps.None;
+
+		/// <summary>
+		/// 包裹哈希值
+		/// </summary>
+		public string PackageHash { private set; get; }
+
+
+		public QueryCachePackageHashOperation(string packageName, string packageVersion)
+		{
+			_packageName = packageName;
+			_packageVersion = packageVersion;
+		}
+		internal override void Start()
+		{
+			_steps = ESteps.LoadCachePackageHashFile;
+		}
+		internal override void Update()
+		{
+			if (_steps == ESteps.None || _steps == ESteps.Done)
+				return;
+
+			if (_steps == ESteps.LoadCachePackageHashFile)
+			{
+				string filePath = PersistentHelper.GetCachePackageHashFilePath(_packageName, _packageVersion);
+				if (File.Exists(filePath) == false)
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = $"Cache package hash file not found : {filePath}";
+					return;
+				}
+
+				PackageHash = FileUtility.ReadAllText(filePath);
+				if (string.IsNullOrEmpty(PackageHash))
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = $"Cache package hash file content is empty !";
+				}
+				else
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Succeed;
+				}
+			}
+		}
+	}
+}

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/QueryCachePackageHashOperation.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 60db6a6586340664ab7e9f85cec0eef4
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/QueryCachePackageVersionOperation.cs

@@ -0,0 +1,62 @@
+using System.IO;
+
+namespace YooAsset
+{
+	internal class QueryCachePackageVersionOperation : AsyncOperationBase
+	{
+		private enum ESteps
+		{
+			None,
+			LoadCachePackageVersionFile,
+			Done,
+		}
+
+		private readonly string _packageName;
+		private ESteps _steps = ESteps.None;
+
+		/// <summary>
+		/// 包裹版本
+		/// </summary>
+		public string PackageVersion { private set; get; }
+
+
+		public QueryCachePackageVersionOperation(string packageName)
+		{
+			_packageName = packageName;
+		}
+		internal override void Start()
+		{
+			_steps = ESteps.LoadCachePackageVersionFile;
+		}
+		internal override void Update()
+		{
+			if (_steps == ESteps.None || _steps == ESteps.Done)
+				return;
+
+			if (_steps == ESteps.LoadCachePackageVersionFile)
+			{
+				string filePath = PersistentHelper.GetCachePackageVersionFilePath(_packageName);
+				if (File.Exists(filePath) == false)
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = $"Cache package version file not found : {filePath}";
+					return;
+				}
+
+				PackageVersion = FileUtility.ReadAllText(filePath);
+				if (string.IsNullOrEmpty(PackageVersion))
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = $"Cache package version file content is empty !";
+				}
+				else
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Succeed;
+				}
+			}
+		}
+	}
+}

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/QueryCachePackageVersionOperation.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 29a2cbdd051ba1247a24693d56cdc2c3
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/PatchSystem/Operations/Internal/VerifyPackageOperation.cs

@@ -6,20 +6,17 @@ using System.Threading;
 
 namespace YooAsset
 {
-	/// <summary>
+	internal abstract class VerifyPackageOperation : AsyncOperationBase
-	/// 本地缓存文件验证
-	/// </summary>
-	internal abstract class VerifyCacheFilesOperation : AsyncOperationBase
 	{
 		public List<VerifyInfo> VerifySuccessList { protected set; get; }
 		public List<VerifyInfo> VerifyFailList { protected set; get; }
 
-		public static VerifyCacheFilesOperation CreateOperation(PatchManifest patchManifest, IPlayModeServices playModeServices)
+		public static VerifyPackageOperation CreateOperation(PatchManifest manifest, IPlayModeServices playModeServices)
 		{
 #if UNITY_WEBGL
-			VerifyCacheFilesOperation operation = new VerifyCacheFilesWithoutThreadOperation(patchManifest, playModeServices);
+			VerifyPackageOperation operation = new VerifyPackageWithoutThreadOperation(manifest, playModeServices);
 #else
-			VerifyCacheFilesOperation operation = new VerifyCacheFilesWithThreadOperation(patchManifest, playModeServices);
+			VerifyPackageOperation operation = new VerifyPackageWithThreadOperation(manifest, playModeServices);
 #endif
 			return operation;
 		}
@@ -28,7 +25,7 @@ namespace YooAsset
 	/// <summary>
 	/// 本地缓存文件验证（线程版）
 	/// </summary>
-	internal class VerifyCacheFilesWithThreadOperation : VerifyCacheFilesOperation
+	internal class VerifyPackageWithThreadOperation : VerifyPackageOperation
 	{
 		private enum ESteps
 		{
@@ -39,7 +36,7 @@ namespace YooAsset
 			Done,
 		}
 
-		private readonly PatchManifest _patchManifest;
+		private readonly PatchManifest _manifest;
 		private readonly IPlayModeServices _playModeServices;
 		private readonly ThreadSyncContext _syncContext = new ThreadSyncContext();
 		private List<VerifyInfo> _waitingList;
@@ -49,9 +46,9 @@ namespace YooAsset
 		private float _verifyStartTime;
 		private ESteps _steps = ESteps.None;
 
-		public VerifyCacheFilesWithThreadOperation(PatchManifest patchManifest, IPlayModeServices playModeServices)
+		public VerifyPackageWithThreadOperation(PatchManifest manifest, IPlayModeServices playModeServices)
 		{
-			_patchManifest = patchManifest;
+			_manifest = manifest;
 			_playModeServices = playModeServices;
 		}
 		internal override void Start()
@@ -66,7 +63,7 @@ namespace YooAsset
 
 			if (_steps == ESteps.InitVerify)
 			{
-				int bundleCount = _patchManifest.BundleList.Count;
+				int bundleCount = _manifest.BundleList.Count;
 				VerifySuccessList = new List<VerifyInfo>(bundleCount);
 				VerifyFailList = new List<VerifyInfo>(bundleCount);
 
@@ -85,7 +82,7 @@ namespace YooAsset
 
 			if (_steps == ESteps.PrepareVerify)
 			{
-				foreach (var patchBundle in _patchManifest.BundleList)
+				foreach (var patchBundle in _manifest.BundleList)
 				{
 					if (CacheSystem.IsCached(patchBundle))
 						continue;
@@ -175,7 +172,7 @@ namespace YooAsset
 	/// <summary>
 	/// 本地缓存文件验证（非线程版）
 	/// </summary>
-	internal class VerifyCacheFilesWithoutThreadOperation : VerifyCacheFilesOperation
+	internal class VerifyPackageWithoutThreadOperation : VerifyPackageOperation
 	{
 		private enum ESteps
 		{
@@ -186,7 +183,7 @@ namespace YooAsset
 			Done,
 		}
 
-		private readonly PatchManifest _patchManifest;
+		private readonly PatchManifest _manifest;
 		private readonly IPlayModeServices _playModeServices;
 		private List<VerifyInfo> _waitingList;
 		private List<VerifyInfo> _verifyingList;
@@ -195,9 +192,9 @@ namespace YooAsset
 		private float _verifyStartTime;
 		private ESteps _steps = ESteps.None;
 
-		public VerifyCacheFilesWithoutThreadOperation(PatchManifest patchManifest, IPlayModeServices playModeServices)
+		public VerifyPackageWithoutThreadOperation(PatchManifest manifest, IPlayModeServices playModeServices)
 		{
-			_patchManifest = patchManifest;
+			_manifest = manifest;
 			_playModeServices = playModeServices;
 		}
 		internal override void Start()
@@ -212,7 +209,7 @@ namespace YooAsset
 
 			if (_steps == ESteps.InitVerify)
 			{
-				int bundleCount = _patchManifest.BundleList.Count;
+				int bundleCount = _manifest.BundleList.Count;
 				VerifySuccessList = new List<VerifyInfo>(bundleCount);
 				VerifyFailList = new List<VerifyInfo>(bundleCount);
 
@@ -227,7 +224,7 @@ namespace YooAsset
 
 			if (_steps == ESteps.PrepareVerify)
 			{
-				foreach (var patchBundle in _patchManifest.BundleList)
+				foreach (var patchBundle in _manifest.BundleList)
 				{
 					if (CacheSystem.IsCached(patchBundle))
 						continue;

Assets/YooAsset/Runtime/PatchSystem/Operations/UpdatePackageManifestOperation.cs

@@ -10,20 +10,6 @@ namespace YooAsset
 	/// </summary>
 	public abstract class UpdatePackageManifestOperation : AsyncOperationBase
 	{
-		/// <summary>
-		/// 发现了新的清单
-		/// </summary>
-		public bool FoundNewManifest { protected set; get; } = false;
-
-		/// <summary>
-		/// 手动保存清单文件
-		/// </summary>
-		public virtual void SaveManifestFile() { }
-
-		/// <summary>
-		/// 还原补丁清单
-		/// </summary>
-		public virtual void RevertManifest() { }
 	}
 
 	/// <summary>
@@ -69,177 +55,134 @@ namespace YooAsset
 		private enum ESteps
 		{
 			None,
-			TryLoadCacheHash,
+			CheckActiveManifest,
-			DownloadWebHash,
+			TryLoadCacheManifest,
-			CheckDownloadWebHash,
+			DownloadManifest,
-			DownloadWebManifest,
+			LoadCacheManifest,
-			CheckDownloadWebManifest,
+			CheckDeserializeManifest,
-			CheckDeserializeWebManifest,
+			VerifyPackage,
-			StartVerifyOperation,
-			CheckVerifyOperation,
 			Done,
 		}
 
-		private static int RequestCount = 0;
 		private readonly HostPlayModeImpl _impl;
 		private readonly string _packageName;
 		private readonly string _packageVersion;
-		private readonly bool _autoSaveManifestFile;
 		private readonly int _timeout;
-		private UnityWebDataRequester _downloader1;
+		private LoadCacheManifestOperation _tryLoadCacheManifestOp;
-		private UnityWebDataRequester _downloader2;
+		private LoadCacheManifestOperation _loadCacheManifestOp;
-		private DeserializeManifestOperation _deserializer;
+		private DownloadManifestOperation _downloadManifestOp;
-		private VerifyCacheFilesOperation _verifyOperation;
+		private VerifyPackageOperation _verifyOperation;
-
-		internal PatchManifest _prePatchManifest;
-		private string _cacheManifestHash;
-		private byte[] _fileBytesData = null;
 		private ESteps _steps = ESteps.None;
 
-		internal HostPlayModeUpdatePackageManifestOperation(HostPlayModeImpl impl, string packageName, string packageVersion, bool autoSaveManifestFile, int timeout)
+
+		internal HostPlayModeUpdatePackageManifestOperation(HostPlayModeImpl impl, string packageName, string packageVersion, int timeout)
 		{
 			_impl = impl;
 			_packageName = packageName;
 			_packageVersion = packageVersion;
-			_autoSaveManifestFile = autoSaveManifestFile;
 			_timeout = timeout;
 		}
 		internal override void Start()
 		{
-			RequestCount++;
+			_steps = ESteps.CheckActiveManifest;
-			_steps = ESteps.TryLoadCacheHash;
 		}
 		internal override void Update()
 		{
 			if (_steps == ESteps.None || _steps == ESteps.Done)
 				return;
 
-			if (_steps == ESteps.TryLoadCacheHash)
+			if (_steps == ESteps.CheckActiveManifest)
 			{
-				string filePath = PersistentHelper.GetCacheManifestFilePath(_packageName);
+				// 检测当前激活的清单对象
-				if (File.Exists(filePath))
+				if (_impl.ActiveManifest != null)
 				{
-					_cacheManifestHash = HashUtility.FileMD5(filePath);
+					if (_impl.ActiveManifest.PackageVersion == _packageVersion)
-					_steps = ESteps.DownloadWebHash;
-				}
-				else
-				{
-					_steps = ESteps.DownloadWebManifest;
-				}
-			}
-
-			if (_steps == ESteps.DownloadWebHash)
-			{
-				string fileName = YooAssetSettingsData.GetPatchManifestHashFileName(_packageName, _packageVersion);
-				string webURL = GetPatchManifestRequestURL(fileName);
-				YooLogger.Log($"Beginning to request patch manifest hash : {webURL}");
-				_downloader1 = new UnityWebDataRequester();
-				_downloader1.SendRequest(webURL, _timeout);
-				_steps = ESteps.CheckDownloadWebHash;
-			}
-
-			if (_steps == ESteps.CheckDownloadWebHash)
-			{
-				if (_downloader1.IsDone() == false)
-					return;
-
-				if (_downloader1.HasError())
-				{
-					_steps = ESteps.Done;
-					Status = EOperationStatus.Failed;
-					Error = _downloader1.GetError();
-				}
-				else
-				{
-					string webManifestHash = _downloader1.GetText();
-					if (_cacheManifestHash == webManifestHash)
 					{
-						YooLogger.Log($"Not found new package : {_packageName}");
-						FoundNewManifest = false;
 						_steps = ESteps.Done;
 						Status = EOperationStatus.Succeed;
-					}
+						return;
-					else
-					{
-						YooLogger.Log($"Package {_packageName} is change : {_cacheManifestHash} -> {webManifestHash}");
-						FoundNewManifest = true;
-						_steps = ESteps.DownloadWebManifest;
 					}
 				}
-				_downloader1.Dispose();
+				_steps = ESteps.TryLoadCacheManifest;
 			}
 
-			if (_steps == ESteps.DownloadWebManifest)
+			if (_steps == ESteps.TryLoadCacheManifest)
 			{
-				string fileName = YooAssetSettingsData.GetPatchManifestBinaryFileName(_packageName, _packageVersion);
+				if (_tryLoadCacheManifestOp == null)
-				string webURL = GetPatchManifestRequestURL(fileName);
+				{
-				YooLogger.Log($"Beginning to request patch manifest : {webURL}");
+					_tryLoadCacheManifestOp = new LoadCacheManifestOperation(_packageName, _packageVersion);
-				_downloader2 = new UnityWebDataRequester();
+					OperationSystem.StartOperation(_tryLoadCacheManifestOp);
-				_downloader2.SendRequest(webURL, _timeout);
+				}
-				_steps = ESteps.CheckDownloadWebManifest;
-			}
 
-			if (_steps == ESteps.CheckDownloadWebManifest)
+				if (_tryLoadCacheManifestOp.IsDone == false)
-			{
-				if (_downloader2.IsDone() == false)
 					return;
 
-				if (_downloader2.HasError())
+				if (_tryLoadCacheManifestOp.Status == EOperationStatus.Succeed)
 				{
-					_steps = ESteps.Done;
+					_impl.ActiveManifest = _tryLoadCacheManifestOp.Manifest;
-					Status = EOperationStatus.Failed;
+					_steps = ESteps.VerifyPackage;
-					Error = _downloader2.GetError();
 				}
 				else
 				{
-					byte[] bytesData = _downloader2.GetData();
+					_steps = ESteps.DownloadManifest;
-					if (_autoSaveManifestFile)
-					{
-						SaveManifestFileInternal(bytesData);
-					}
-					else
-					{
-						_fileBytesData = bytesData;
-					}
-
-					// 解析二进制数据
-					_deserializer = new DeserializeManifestOperation(bytesData);
-					OperationSystem.StartOperation(_deserializer);
-					_steps = ESteps.CheckDeserializeWebManifest;
 				}
-
-				_downloader2.Dispose();
 			}
 
-			if (_steps == ESteps.CheckDeserializeWebManifest)
+			if (_steps == ESteps.DownloadManifest)
 			{
-				Progress = _deserializer.Progress;
+				if (_downloadManifestOp == null)
-				if (_deserializer.IsDone == false)
+				{
+					_downloadManifestOp = new DownloadManifestOperation(_impl, _packageName, _packageVersion, _timeout);
+					OperationSystem.StartOperation(_downloadManifestOp);
+				}
+
+				if (_downloadManifestOp.IsDone == false)
 					return;
 
-				if (_deserializer.Status == EOperationStatus.Succeed)
+				if (_downloadManifestOp.Status == EOperationStatus.Succeed)
 				{
-					_prePatchManifest = _impl.ActivePatchManifest;
+					_steps = ESteps.LoadCacheManifest;
-					_impl.ActivePatchManifest = _deserializer.Manifest;
-					_steps = ESteps.StartVerifyOperation;
 				}
 				else
 				{
 					_steps = ESteps.Done;
 					Status = EOperationStatus.Failed;
-					Error = _deserializer.Error;
+					Error = _downloadManifestOp.Error;
 				}
 			}
 
-			if (_steps == ESteps.StartVerifyOperation)
+			if (_steps == ESteps.LoadCacheManifest)
 			{
-				_verifyOperation = VerifyCacheFilesOperation.CreateOperation(_deserializer.Manifest, _impl);
+				if (_loadCacheManifestOp == null)
-				OperationSystem.StartOperation(_verifyOperation);
+				{
-				_steps = ESteps.CheckVerifyOperation;
+					_loadCacheManifestOp = new LoadCacheManifestOperation(_packageName, _packageVersion);
+					OperationSystem.StartOperation(_loadCacheManifestOp);
+				}
+
+				if (_loadCacheManifestOp.IsDone == false)
+					return;
+
+				if (_loadCacheManifestOp.Status == EOperationStatus.Succeed)
+				{
+					_impl.ActiveManifest = _loadCacheManifestOp.Manifest;
+					_steps = ESteps.VerifyPackage;
+				}
+				else
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Failed;
+					Error = _loadCacheManifestOp.Error;
+				}
 			}
 
-			if (_steps == ESteps.CheckVerifyOperation)
+			if (_steps == ESteps.VerifyPackage)
 			{
+				if (_verifyOperation == null)
+				{
+					_verifyOperation = VerifyPackageOperation.CreateOperation(_impl.ActiveManifest, _impl);
+					OperationSystem.StartOperation(_verifyOperation);
+				}
+
 				Progress = _verifyOperation.Progress;
 				if (_verifyOperation.IsDone)
 				{
@@ -248,61 +191,5 @@ namespace YooAsset
 				}
 			}
 		}
-
-		/// <summary>
-		/// 手动保存清单文件
-		/// </summary>
-		public override void SaveManifestFile()
-		{
-			if (IsDone == false)
-			{
-				YooLogger.Warning($"{nameof(UpdatePackageManifestOperation)} is not done !");
-				return;
-			}
-
-			if (Status == EOperationStatus.Succeed)
-			{
-				if (_fileBytesData != null)
-				{
-					SaveManifestFileInternal(_fileBytesData);
-					_fileBytesData = null;
-				}
-			}
-		}
-
-		/// <summary>
-		/// 还原补丁清单
-		/// </summary>
-		public override void RevertManifest()
-		{
-			if (IsDone == false)
-			{
-				YooLogger.Warning($"{nameof(UpdatePackageManifestOperation)} is not done !");
-				return;
-			}
-
-			if (Status == EOperationStatus.Succeed)
-			{
-				if (_prePatchManifest != null)
-				{
-					_impl.ActivePatchManifest = _prePatchManifest;
-					_prePatchManifest = null;
-				}
-			}
-		}
-
-		private void SaveManifestFileInternal(byte[] bytesData)
-		{
-			string savePath = PersistentHelper.GetCacheManifestFilePath(_packageName);
-			FileUtility.CreateFile(savePath, bytesData);
-		}
-		private string GetPatchManifestRequestURL(string fileName)
-		{
-			// 轮流返回请求地址
-			if (RequestCount % 2 == 0)
-				return _impl.GetPatchDownloadFallbackURL(fileName);
-			else
-				return _impl.GetPatchDownloadMainURL(fileName);
-		}
 	}
 }

Assets/YooAsset/Runtime/PatchSystem/Operations/UpdatePackageVersionOperation.cs

@@ -51,8 +51,7 @@ namespace YooAsset
 		private enum ESteps
 		{
 			None,
-			LoadPackageVersion,
+			DownloadPackageVersion,
-			CheckLoadPackageVersion,
 			Done,
 		}
 
@@ -74,25 +73,24 @@ namespace YooAsset
 		internal override void Start()
 		{
 			RequestCount++;
-			_steps = ESteps.LoadPackageVersion;
+			_steps = ESteps.DownloadPackageVersion;
 		}
 		internal override void Update()
 		{
 			if (_steps == ESteps.None || _steps == ESteps.Done)
 				return;
 
-			if (_steps == ESteps.LoadPackageVersion)
+			if (_steps == ESteps.DownloadPackageVersion)
 			{
-				string fileName = YooAssetSettingsData.GetPatchManifestVersionFileName(_packageName);
+				if (_downloader == null)
-				string webURL = GetPackageVersionRequestURL(fileName);
+				{
-				YooLogger.Log($"Beginning to request package version : {webURL}");
+					string fileName = YooAssetSettingsData.GetPackageVersionFileName(_packageName);
-				_downloader = new UnityWebDataRequester();
+					string webURL = GetPackageVersionRequestURL(fileName);
-				_downloader.SendRequest(webURL, _timeout);
+					YooLogger.Log($"Beginning to request package version : {webURL}");
-				_steps = ESteps.CheckLoadPackageVersion;
+					_downloader = new UnityWebDataRequester();
-			}
+					_downloader.SendRequest(webURL, _timeout);
+				}
 
-			if (_steps == ESteps.CheckLoadPackageVersion)
-			{
 				Progress = _downloader.Progress();
 				if (_downloader.IsDone() == false)
 					return;

Assets/YooAsset/Runtime/PatchSystem/PlayMode/EditorSimulateModeImpl.cs

@@ -6,7 +6,7 @@ namespace YooAsset
 {
 	internal class EditorSimulateModeImpl : IPlayModeServices, IBundleServices
 	{
-		private PatchManifest _activePatchManifest;
+		private PatchManifest _activeManifest;
 		private string _packageName;
 		private bool _locationToLower;
 
@@ -23,24 +23,18 @@ namespace YooAsset
 		}
 
 		#region IPlayModeServices接口
-		public PatchManifest ActivePatchManifest
+		public PatchManifest ActiveManifest
 		{
 			set
 			{
-				_activePatchManifest = value;
+				_activeManifest = value;
-				_activePatchManifest.InitAssetPathMapping(_locationToLower);
+				_activeManifest.InitAssetPathMapping(_locationToLower);
 			}
 			get
 			{
-				return _activePatchManifest;
+				return _activeManifest;
 			}
 		}
-		public string GetPackageVersion()
-		{
-			if (_activePatchManifest == null)
-				return string.Empty;
-			return _activePatchManifest.PackageVersion;
-		}
 		public bool IsBuildinPatchBundle(PatchBundle patchBundle)
 		{
 			return true;
@@ -52,7 +46,7 @@ namespace YooAsset
 			OperationSystem.StartOperation(operation);
 			return operation;
 		}
-		UpdatePackageManifestOperation IPlayModeServices.UpdatePackageManifestAsync(string packageVersion, bool autoSaveManifestFile, int timeout)
+		UpdatePackageManifestOperation IPlayModeServices.UpdatePackageManifestAsync(string packageVersion, int timeout)
 		{
 			var operation = new EditorPlayModeUpdatePackageManifestOperation();
 			OperationSystem.StartOperation(operation);
@@ -95,7 +89,7 @@ namespace YooAsset
 				throw new Exception("Should never get here !");
 
 			// 注意：如果补丁清单里未找到资源包会抛出异常！
-			var patchBundle = _activePatchManifest.GetMainPatchBundle(assetInfo.AssetPath);
+			var patchBundle = _activeManifest.GetMainPatchBundle(assetInfo.AssetPath);
 			BundleInfo bundleInfo = new BundleInfo(patchBundle, BundleInfo.ELoadMode.LoadFromEditor, assetInfo.AssetPath);
 			return bundleInfo;
 		}
@@ -105,22 +99,22 @@ namespace YooAsset
 		}
 		AssetInfo[] IBundleServices.GetAssetInfos(string[] tags)
 		{
-			return _activePatchManifest.GetAssetsInfoByTags(tags);
+			return _activeManifest.GetAssetsInfoByTags(tags);
 		}
 		PatchAsset IBundleServices.TryGetPatchAsset(string assetPath)
 		{
-			if (_activePatchManifest.TryGetPatchAsset(assetPath, out PatchAsset patchAsset))
+			if (_activeManifest.TryGetPatchAsset(assetPath, out PatchAsset patchAsset))
 				return patchAsset;
 			else
 				return null;
 		}
 		string IBundleServices.MappingToAssetPath(string location)
 		{
-			return _activePatchManifest.MappingToAssetPath(location);
+			return _activeManifest.MappingToAssetPath(location);
 		}
 		string IBundleServices.TryMappingToAssetPath(string location)
 		{
-			return _activePatchManifest.TryMappingToAssetPath(location);
+			return _activeManifest.TryMappingToAssetPath(location);
 		}
 		string IBundleServices.GetPackageName()
 		{
@@ -128,11 +122,11 @@ namespace YooAsset
 		}
 		bool IBundleServices.IsIncludeBundleFile(string fileName)
 		{
-			return _activePatchManifest.IsIncludeBundleFile(fileName);
+			return _activeManifest.IsIncludeBundleFile(fileName);
 		}
 		bool IBundleServices.IsServicesValid()
 		{
-			return _activePatchManifest != null;
+			return _activeManifest != null;
 		}
 		#endregion
 	}

Assets/YooAsset/Runtime/PatchSystem/PlayMode/HostPlayModeImpl.cs

@@ -6,7 +6,7 @@ namespace YooAsset
 {
 	internal class HostPlayModeImpl : IPlayModeServices, IBundleServices
 	{
-		private PatchManifest _activePatchManifest;
+		private PatchManifest _activeManifest;
 
 		// 参数相关
 		private string _packageName;
@@ -80,24 +80,19 @@ namespace YooAsset
 		}
 
 		#region IPlayModeServices接口
-		public PatchManifest ActivePatchManifest
+		public PatchManifest ActiveManifest
 		{
 			set
 			{
-				_activePatchManifest = value;
+				_activeManifest = value;
-				_activePatchManifest.InitAssetPathMapping(_locationToLower);
+				_activeManifest.InitAssetPathMapping(_locationToLower);
+				PersistentHelper.SaveCachePackageVersionFile(_packageName, _activeManifest.PackageVersion);
 			}
 			get
 			{
-				return _activePatchManifest;
+				return _activeManifest;
 			}
 		}
-		public string GetPackageVersion()
-		{
-			if (_activePatchManifest == null)
-				return string.Empty;
-			return _activePatchManifest.PackageVersion;
-		}
 		public bool IsBuildinPatchBundle(PatchBundle patchBundle)
 		{
 			return _queryServices.QueryStreamingAssets(patchBundle.FileName);
@@ -109,9 +104,9 @@ namespace YooAsset
 			OperationSystem.StartOperation(operation);
 			return operation;
 		}
-		UpdatePackageManifestOperation IPlayModeServices.UpdatePackageManifestAsync(string packageVersion, bool autoSaveManifestFile, int timeout)
+		UpdatePackageManifestOperation IPlayModeServices.UpdatePackageManifestAsync(string packageVersion, int timeout)
 		{
-			var operation = new HostPlayModeUpdatePackageManifestOperation(this, _packageName, packageVersion, autoSaveManifestFile, timeout);
+			var operation = new HostPlayModeUpdatePackageManifestOperation(this, _packageName, packageVersion, timeout);
 			OperationSystem.StartOperation(operation);
 			return operation;
 		}
@@ -124,11 +119,11 @@ namespace YooAsset
 
 		PatchDownloaderOperation IPlayModeServices.CreatePatchDownloaderByAll(int downloadingMaxNumber, int failedTryAgain, int timeout)
 		{
-			List<BundleInfo> downloadList = GetDownloadListByAll(_activePatchManifest);
+			List<BundleInfo> downloadList = GetDownloadListByAll(_activeManifest);
 			var operation = new PatchDownloaderOperation(downloadList, downloadingMaxNumber, failedTryAgain, timeout);
 			return operation;
 		}
-		private List<BundleInfo> GetDownloadListByAll(PatchManifest patchManifest)
+		public List<BundleInfo> GetDownloadListByAll(PatchManifest patchManifest)
 		{
 			List<PatchBundle> downloadList = new List<PatchBundle>(1000);
 			foreach (var patchBundle in patchManifest.BundleList)
@@ -149,11 +144,11 @@ namespace YooAsset
 
 		PatchDownloaderOperation IPlayModeServices.CreatePatchDownloaderByTags(string[] tags, int downloadingMaxNumber, int failedTryAgain, int timeout)
 		{
-			List<BundleInfo> downloadList = GetDownloadListByTags(_activePatchManifest, tags);
+			List<BundleInfo> downloadList = GetDownloadListByTags(_activeManifest, tags);
 			var operation = new PatchDownloaderOperation(downloadList, downloadingMaxNumber, failedTryAgain, timeout);
 			return operation;
 		}
-		private List<BundleInfo> GetDownloadListByTags(PatchManifest patchManifest, string[] tags)
+		public List<BundleInfo> GetDownloadListByTags(PatchManifest patchManifest, string[] tags)
 		{
 			List<PatchBundle> downloadList = new List<PatchBundle>(1000);
 			foreach (var patchBundle in patchManifest.BundleList)
@@ -186,7 +181,7 @@ namespace YooAsset
 
 		PatchDownloaderOperation IPlayModeServices.CreatePatchDownloaderByPaths(AssetInfo[] assetInfos, int downloadingMaxNumber, int failedTryAgain, int timeout)
 		{
-			List<BundleInfo> downloadList = GetDownloadListByPaths(_activePatchManifest, assetInfos);
+			List<BundleInfo> downloadList = GetDownloadListByPaths(_activeManifest, assetInfos);
 			var operation = new PatchDownloaderOperation(downloadList, downloadingMaxNumber, failedTryAgain, timeout);
 			return operation;
 		}
@@ -235,7 +230,7 @@ namespace YooAsset
 
 		PatchUnpackerOperation IPlayModeServices.CreatePatchUnpackerByAll(int upackingMaxNumber, int failedTryAgain, int timeout)
 		{
-			List<BundleInfo> unpcakList = GetUnpackListByAll(_activePatchManifest);
+			List<BundleInfo> unpcakList = GetUnpackListByAll(_activeManifest);
 			var operation = new PatchUnpackerOperation(unpcakList, upackingMaxNumber, failedTryAgain, timeout);
 			return operation;
 		}
@@ -259,7 +254,7 @@ namespace YooAsset
 
 		PatchUnpackerOperation IPlayModeServices.CreatePatchUnpackerByTags(string[] tags, int upackingMaxNumber, int failedTryAgain, int timeout)
 		{
-			List<BundleInfo> unpcakList = GetUnpackListByTags(_activePatchManifest, tags);
+			List<BundleInfo> unpcakList = GetUnpackListByTags(_activeManifest, tags);
 			var operation = new PatchUnpackerOperation(unpcakList, upackingMaxNumber, failedTryAgain, timeout);
 			return operation;
 		}
@@ -315,7 +310,7 @@ namespace YooAsset
 				throw new Exception("Should never get here !");
 
 			// 注意：如果补丁清单里未找到资源包会抛出异常！
-			var patchBundle = _activePatchManifest.GetMainPatchBundle(assetInfo.AssetPath);
+			var patchBundle = _activeManifest.GetMainPatchBundle(assetInfo.AssetPath);
 			return CreateBundleInfo(patchBundle);
 		}
 		BundleInfo[] IBundleServices.GetAllDependBundleInfos(AssetInfo assetInfo)
@@ -324,7 +319,7 @@ namespace YooAsset
 				throw new Exception("Should never get here !");
 
 			// 注意：如果补丁清单里未找到资源包会抛出异常！
-			var depends = _activePatchManifest.GetAllDependencies(assetInfo.AssetPath);
+			var depends = _activeManifest.GetAllDependencies(assetInfo.AssetPath);
 			List<BundleInfo> result = new List<BundleInfo>(depends.Length);
 			foreach (var patchBundle in depends)
 			{
@@ -335,22 +330,22 @@ namespace YooAsset
 		}
 		AssetInfo[] IBundleServices.GetAssetInfos(string[] tags)
 		{
-			return _activePatchManifest.GetAssetsInfoByTags(tags);
+			return _activeManifest.GetAssetsInfoByTags(tags);
 		}
 		PatchAsset IBundleServices.TryGetPatchAsset(string assetPath)
 		{
-			if (_activePatchManifest.TryGetPatchAsset(assetPath, out PatchAsset patchAsset))
+			if (_activeManifest.TryGetPatchAsset(assetPath, out PatchAsset patchAsset))
 				return patchAsset;
 			else
 				return null;
 		}
 		string IBundleServices.MappingToAssetPath(string location)
 		{
-			return _activePatchManifest.MappingToAssetPath(location);
+			return _activeManifest.MappingToAssetPath(location);
 		}
 		string IBundleServices.TryMappingToAssetPath(string location)
 		{
-			return _activePatchManifest.TryMappingToAssetPath(location);
+			return _activeManifest.TryMappingToAssetPath(location);
 		}
 		string IBundleServices.GetPackageName()
 		{
@@ -358,11 +353,11 @@ namespace YooAsset
 		}
 		bool IBundleServices.IsIncludeBundleFile(string fileName)
 		{
-			return _activePatchManifest.IsIncludeBundleFile(fileName);
+			return _activeManifest.IsIncludeBundleFile(fileName);
 		}
 		bool IBundleServices.IsServicesValid()
 		{
-			return _activePatchManifest != null;
+			return _activeManifest != null;
 		}
 		#endregion
 	}

Assets/YooAsset/Runtime/PatchSystem/PlayMode/OfflinePlayModeImpl.cs

@@ -6,7 +6,7 @@ namespace YooAsset
 {
 	internal class OfflinePlayModeImpl : IPlayModeServices, IBundleServices
 	{
-		private PatchManifest _activePatchManifest;
+		private PatchManifest _activeManifest;
 		private string _packageName;
 		private bool _locationToLower;
 
@@ -23,24 +23,18 @@ namespace YooAsset
 		}
 
 		#region IPlayModeServices接口
-		public PatchManifest ActivePatchManifest
+		public PatchManifest ActiveManifest
 		{
 			set
 			{
-				_activePatchManifest = value;
+				_activeManifest = value;
-				_activePatchManifest.InitAssetPathMapping(_locationToLower);
+				_activeManifest.InitAssetPathMapping(_locationToLower);
 			}
 			get
 			{
-				return _activePatchManifest;
+				return _activeManifest;
 			}
 		}
-		public string GetPackageVersion()
-		{
-			if (_activePatchManifest == null)
-				return string.Empty;
-			return _activePatchManifest.PackageVersion;
-		}
 		public bool IsBuildinPatchBundle(PatchBundle patchBundle)
 		{
 			return true;
@@ -52,7 +46,7 @@ namespace YooAsset
 			OperationSystem.StartOperation(operation);
 			return operation;
 		}
-		UpdatePackageManifestOperation IPlayModeServices.UpdatePackageManifestAsync(string packageVersion, bool autoSaveManifestFile, int timeout)
+		UpdatePackageManifestOperation IPlayModeServices.UpdatePackageManifestAsync(string packageVersion, int timeout)
 		{
 			var operation = new OfflinePlayModeUpdatePackageManifestOperation();
 			OperationSystem.StartOperation(operation);
@@ -113,7 +107,7 @@ namespace YooAsset
 				throw new Exception("Should never get here !");
 
 			// 注意：如果补丁清单里未找到资源包会抛出异常！
-			var patchBundle = _activePatchManifest.GetMainPatchBundle(assetInfo.AssetPath);
+			var patchBundle = _activeManifest.GetMainPatchBundle(assetInfo.AssetPath);
 			return CreateBundleInfo(patchBundle);
 		}
 		BundleInfo[] IBundleServices.GetAllDependBundleInfos(AssetInfo assetInfo)
@@ -122,7 +116,7 @@ namespace YooAsset
 				throw new Exception("Should never get here !");
 
 			// 注意：如果补丁清单里未找到资源包会抛出异常！
-			var depends = _activePatchManifest.GetAllDependencies(assetInfo.AssetPath);
+			var depends = _activeManifest.GetAllDependencies(assetInfo.AssetPath);
 			List<BundleInfo> result = new List<BundleInfo>(depends.Length);
 			foreach (var patchBundle in depends)
 			{
@@ -133,22 +127,22 @@ namespace YooAsset
 		}
 		AssetInfo[] IBundleServices.GetAssetInfos(string[] tags)
 		{
-			return _activePatchManifest.GetAssetsInfoByTags(tags);
+			return _activeManifest.GetAssetsInfoByTags(tags);
 		}
 		PatchAsset IBundleServices.TryGetPatchAsset(string assetPath)
 		{
-			if (_activePatchManifest.TryGetPatchAsset(assetPath, out PatchAsset patchAsset))
+			if (_activeManifest.TryGetPatchAsset(assetPath, out PatchAsset patchAsset))
 				return patchAsset;
 			else
 				return null;
 		}
 		string IBundleServices.MappingToAssetPath(string location)
 		{
-			return _activePatchManifest.MappingToAssetPath(location);
+			return _activeManifest.MappingToAssetPath(location);
 		}
 		string IBundleServices.TryMappingToAssetPath(string location)
 		{
-			return _activePatchManifest.TryMappingToAssetPath(location);
+			return _activeManifest.TryMappingToAssetPath(location);
 		}
 		string IBundleServices.GetPackageName()
 		{
@@ -156,11 +150,11 @@ namespace YooAsset
 		}
 		bool IBundleServices.IsIncludeBundleFile(string fileName)
 		{
-			return _activePatchManifest.IsIncludeBundleFile(fileName);
+			return _activeManifest.IsIncludeBundleFile(fileName);
 		}
 		bool IBundleServices.IsServicesValid()
 		{
-			return _activePatchManifest != null;
+			return _activeManifest != null;
 		}
 		#endregion
 	}

Assets/YooAsset/Runtime/Services/IPlayModeServices.cs

@@ -6,12 +6,7 @@ namespace YooAsset
 		/// <summary>
 		/// 激活的清单
 		/// </summary>
-		PatchManifest ActivePatchManifest { set; get; }
+		PatchManifest ActiveManifest { set; get; }
-
-		/// <summary>
-		/// 获取激活包裹的版本信息
-		/// </summary>
-		string GetPackageVersion();
 
 		/// <summary>
 		/// 是否为内置资源文件
@@ -26,19 +21,19 @@ namespace YooAsset
 		/// <summary>
 		/// 向网络端请求并更新补丁清单
 		/// </summary>
-		UpdatePackageManifestOperation UpdatePackageManifestAsync(string packageVersion, bool autoSaveManifestFile, int timeout);
+		UpdatePackageManifestOperation UpdatePackageManifestAsync(string packageVersion, int timeout);
 
 		/// <summary>
 		/// 检查包裹内容的完整性
 		/// </summary>
 		CheckContentsIntegrityOperation CheckContentsIntegrityAsync();
 
-		// 下载相关方法
+		// 下载相关
 		PatchDownloaderOperation CreatePatchDownloaderByAll(int downloadingMaxNumber, int failedTryAgain, int timeout);
 		PatchDownloaderOperation CreatePatchDownloaderByTags(string[] tags, int downloadingMaxNumber, int failedTryAgain, int timeout);
 		PatchDownloaderOperation CreatePatchDownloaderByPaths(AssetInfo[] assetInfos, int downloadingMaxNumber, int failedTryAgain, int timeout);
 
-		// 解压相关方法
+		// 解压相关
 		PatchUnpackerOperation CreatePatchUnpackerByAll(int upackingMaxNumber, int failedTryAgain, int timeout);
 		PatchUnpackerOperation CreatePatchUnpackerByTags(string[] tags, int upackingMaxNumber, int failedTryAgain, int timeout);
 	}

Assets/YooAsset/Runtime/Settings/YooAssetSettingsData.cs

@@ -41,41 +41,33 @@ namespace YooAsset
 		}
 
 		/// <summary>
-		/// 获取补丁清单文件不带版本号的名称
+		/// 获取清单文件完整名称
 		/// </summary>
-		public static string GetPatchManifestFileNameWithoutVersion(string packageName)
+		public static string GetManifestBinaryFileName(string packageName, string packageVersion)
-		{
-			return $"{Setting.PatchManifestFileName}_{packageName}.bytes";
-		}
-
-		/// <summary>
-		/// 获取补丁清单文件完整名称
-		/// </summary>
-		public static string GetPatchManifestBinaryFileName(string packageName, string packageVersion)
 		{
 			return $"{Setting.PatchManifestFileName}_{packageName}_{packageVersion}.bytes";
 		}
 
 		/// <summary>
-		/// 获取补丁清单文件完整名称
+		/// 获取清单文件完整名称
 		/// </summary>
-		public static string GetPatchManifestJsonFileName(string packageName, string packageVersion)
+		public static string GetManifestJsonFileName(string packageName, string packageVersion)
 		{
 			return $"{Setting.PatchManifestFileName}_{packageName}_{packageVersion}.json";
 		}
 
 		/// <summary>
-		/// 获取补丁清单哈希文件完整名称
+		/// 获取包裹的哈希文件完整名称
 		/// </summary>
-		public static string GetPatchManifestHashFileName(string packageName, string packageVersion)
+		public static string GetPackageHashFileName(string packageName, string packageVersion)
 		{
 			return $"{Setting.PatchManifestFileName}_{packageName}_{packageVersion}.hash";
 		}
 
 		/// <summary>
-		/// 获取补丁清单版本文件完整名称
+		/// 获取包裹的版本文件完整名称
 		/// </summary>
-		public static string GetPatchManifestVersionFileName(string packageName)
+		public static string GetPackageVersionFileName(string packageName)
 		{
 			return $"{Setting.PatchManifestFileName}_{packageName}.version";
 		}

Assets/YooAsset/Runtime/Utility/YooHelper.cs

@@ -87,6 +87,7 @@ namespace YooAsset
 		private const string ManifestFolderName = "ManifestFiles";
 		private const string AppFootPrintFileName = "ApplicationFootPrint.bytes";
 
+
 		/// <summary>
 		/// 删除沙盒总目录
 		/// </summary>
@@ -117,6 +118,7 @@ namespace YooAsset
 				Directory.Delete(root, true);
 		}
 
+
 		/// <summary>
 		/// 获取缓存文件夹路径
 		/// </summary>
@@ -137,10 +139,37 @@ namespace YooAsset
 		/// <summary>
 		/// 获取沙盒内清单文件的路径
 		/// </summary>
-		public static string GetCacheManifestFilePath(string packageName)
+		public static string GetCacheManifestFilePath(string packageName, string packageVersion)
 		{
-			string fileName = YooAssetSettingsData.GetPatchManifestFileNameWithoutVersion(packageName);
+			string fileName = YooAssetSettingsData.GetManifestBinaryFileName(packageName, packageVersion);
 			return PathHelper.MakePersistentLoadPath($"{ManifestFolderName}/{fileName}");
 		}
+
+		/// <summary>
+		/// 获取沙盒内包裹的哈希文件的路径
+		/// </summary>
+		public static string GetCachePackageHashFilePath(string packageName, string packageVersion)
+		{
+			string fileName = YooAssetSettingsData.GetPackageHashFileName(packageName, packageVersion);
+			return PathHelper.MakePersistentLoadPath($"{ManifestFolderName}/{fileName}");
+		}
+
+		/// <summary>
+		/// 获取沙盒内包裹的版本文件的路径
+		/// </summary>
+		public static string GetCachePackageVersionFilePath(string packageName)
+		{
+			string fileName = YooAssetSettingsData.GetPackageVersionFileName(packageName);
+			return PathHelper.MakePersistentLoadPath($"{ManifestFolderName}/{fileName}");
+		}
+
+		/// <summary>
+		/// 保存默认的包裹版本
+		/// </summary>
+		public static void SaveCachePackageVersionFile(string packageName, string version)
+		{
+			string filePath = GetCachePackageVersionFilePath(packageName);
+			FileUtility.CreateFile(filePath, version);
+		}
 	}
 }