diff --git a/Assets/YooAsset/Runtime/CacheSystem/CacheSystem.cs b/Assets/YooAsset/Runtime/CacheSystem/CacheSystem.cs
index acb4b35..3ff00d2 100644
--- a/Assets/YooAsset/Runtime/CacheSystem/CacheSystem.cs
+++ b/Assets/YooAsset/Runtime/CacheSystem/CacheSystem.cs
@@ -69,31 +69,41 @@ namespace YooAsset
 		/// <summary>
 		/// 验证缓存文件（子线程内操作）
 		/// </summary>
-		public static EVerifyResult VerifyingCacheFile(VerifyElement element, EVerifyLevel verifyLevel)
+		public static EVerifyResult VerifyingCacheFile(VerifyElement element)
 		{
 			try
 			{
-				string infoFilePath = element.InfoFilePath;
-				if (File.Exists(infoFilePath) == false)
-					return EVerifyResult.InfoFileNotExisted;
+				if (InitVerifyLevel == EVerifyLevel.Low)
+				{
+					if (File.Exists(element.InfoFilePath) == false)
+						return EVerifyResult.InfoFileNotExisted;
+					if (File.Exists(element.DataFilePath) == false)
+						return EVerifyResult.DataFileNotExisted;
+					return EVerifyResult.Succeed;
+				}
+				else
+				{
+					if (File.Exists(element.InfoFilePath) == false)
+						return EVerifyResult.InfoFileNotExisted;
 
-				// 解析信息文件获取验证数据
-				CacheFileInfo.ReadInfoFromFile(infoFilePath, out element.DataFileCRC, out element.DataFileSize);
+					// 解析信息文件获取验证数据
+					CacheFileInfo.ReadInfoFromFile(element.InfoFilePath, out element.DataFileCRC, out element.DataFileSize);
+				}
 			}
 			catch (Exception)
 			{
 				return EVerifyResult.Exception;
 			}
 
-			return VerifyingInternal(element.DataFilePath, element.DataFileSize, element.DataFileCRC, verifyLevel);
+			return VerifyingInternal(element.DataFilePath, element.DataFileSize, element.DataFileCRC, InitVerifyLevel);
 		}
 
 		/// <summary>
 		/// 验证下载文件
 		/// </summary>
-		public static EVerifyResult VerifyingTempFile(PatchBundle patchBundle, EVerifyLevel verifyLevel)
+		public static EVerifyResult VerifyingTempFile(PatchBundle patchBundle)
 		{
-			return VerifyingInternal(patchBundle.TempDataFilePath, patchBundle.FileSize, patchBundle.FileCRC, verifyLevel);
+			return VerifyingInternal(patchBundle.TempDataFilePath, patchBundle.FileSize, patchBundle.FileCRC, EVerifyLevel.High);
 		}
 
 		/// <summary>
diff --git a/Assets/YooAsset/Runtime/CacheSystem/EVerifyLevel.cs b/Assets/YooAsset/Runtime/CacheSystem/EVerifyLevel.cs
index a3e7943..ac60421 100644
--- a/Assets/YooAsset/Runtime/CacheSystem/EVerifyLevel.cs
+++ b/Assets/YooAsset/Runtime/CacheSystem/EVerifyLevel.cs
@@ -7,10 +7,15 @@ namespace YooAsset
 	public enum EVerifyLevel
 	{
 		/// <summary>
-		/// 验证文件大小
+		/// 验证文件存在
 		/// </summary>
 		Low,
 
+		/// <summary>
+		/// 验证文件大小
+		/// </summary>
+		Middle,
+
 		/// <summary>
 		/// 验证文件大小和CRC
 		/// </summary>
diff --git a/Assets/YooAsset/Runtime/CacheSystem/Operations/PackageVerifyOperation.cs b/Assets/YooAsset/Runtime/CacheSystem/Operations/PackageVerifyOperation.cs
index 3bdcfa7..2ea948f 100644
--- a/Assets/YooAsset/Runtime/CacheSystem/Operations/PackageVerifyOperation.cs
+++ b/Assets/YooAsset/Runtime/CacheSystem/Operations/PackageVerifyOperation.cs
@@ -121,7 +121,7 @@ namespace YooAsset
 		private void VerifyInThread(object obj)
 		{
 			VerifyElement element = (VerifyElement)obj;
-			element.Result = CacheSystem.VerifyingCacheFile(element, CacheSystem.InitVerifyLevel);
+			element.Result = CacheSystem.VerifyingCacheFile(element);
 			_syncContext.Post(VerifyCallback, element);
 		}
 		private void VerifyCallback(object obj)
@@ -235,7 +235,7 @@ namespace YooAsset
 		}
 		private void BeginVerifyFileWithoutThread(VerifyElement element)
 		{
-			element.Result = CacheSystem.VerifyingCacheFile(element, CacheSystem.InitVerifyLevel);
+			element.Result = CacheSystem.VerifyingCacheFile(element);
 			if (element.Result == EVerifyResult.Succeed)
 			{
 				_succeedCount++;
diff --git a/Assets/YooAsset/Runtime/DownloadSystem/Downloader/FileDownloader.cs b/Assets/YooAsset/Runtime/DownloadSystem/Downloader/FileDownloader.cs
index b1fc6ef..5d3a942 100644
--- a/Assets/YooAsset/Runtime/DownloadSystem/Downloader/FileDownloader.cs
+++ b/Assets/YooAsset/Runtime/DownloadSystem/Downloader/FileDownloader.cs
@@ -37,7 +37,7 @@ namespace YooAsset
 			// 检测本地临时文件
 			if (_steps == ESteps.CheckTempFile)
 			{
-				var verifyResult = CacheSystem.VerifyingTempFile(_bundleInfo.Bundle, EVerifyLevel.High);
+				var verifyResult = CacheSystem.VerifyingTempFile(_bundleInfo.Bundle);
 				if (verifyResult == EVerifyResult.Succeed)
 				{
 					_steps = ESteps.CachingFile;
@@ -198,7 +198,7 @@ namespace YooAsset
 			// 验证下载文件
 			if (_steps == ESteps.VerifyingFile)
 			{
-				var verifyResult = CacheSystem.VerifyingTempFile(_bundleInfo.Bundle, EVerifyLevel.High);
+				var verifyResult = CacheSystem.VerifyingTempFile(_bundleInfo.Bundle);
 				if (verifyResult == EVerifyResult.Succeed)
 				{
 					_steps = ESteps.CachingFile;