diff --git a/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/DefaultCacheFileSystem.cs b/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/DefaultCacheFileSystem.cs
index 6e1ce5e0..9718bfe1 100644
--- a/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/DefaultCacheFileSystem.cs
+++ b/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/DefaultCacheFileSystem.cs
@@ -333,6 +333,13 @@ namespace YooAsset
         {
             return _records.Keys.ToList();
         }
+        public RecordFileElement GetRecordFileElement(PackageBundle bundle)
+        {
+            if (_records.TryGetValue(bundle.BundleGUID, out RecordFileElement element))
+                return element;
+            else
+                return null;
+        }
 
         public string GetTempFilePath(PackageBundle bundle)
         {
@@ -384,10 +391,10 @@ namespace YooAsset
 
         public EFileVerifyResult VerifyCacheFile(PackageBundle bundle)
         {
-            if (_records.TryGetValue(bundle.BundleGUID, out RecordFileElement wrapper) == false)
+            if (_records.TryGetValue(bundle.BundleGUID, out RecordFileElement element) == false)
                 return EFileVerifyResult.CacheNotFound;
 
-            EFileVerifyResult result = FileVerifyHelper.FileVerify(wrapper.DataFilePath, wrapper.DataFileSize, wrapper.DataFileCRC, EFileVerifyLevel.High);
+            EFileVerifyResult result = FileVerifyHelper.FileVerify(element.DataFilePath, element.DataFileSize, element.DataFileCRC, EFileVerifyLevel.High);
             return result;
         }
         public bool WriteCacheBundleFile(PackageBundle bundle, string copyPath)
@@ -427,10 +434,10 @@ namespace YooAsset
         }
         public bool DeleteCacheBundleFile(string bundleGUID)
         {
-            if (_records.TryGetValue(bundleGUID, out RecordFileElement wrapper))
+            if (_records.TryGetValue(bundleGUID, out RecordFileElement element))
             {
                 _records.Remove(bundleGUID);
-                return wrapper.DeleteFolder();
+                return element.DeleteFolder();
             }
             else
             {
diff --git a/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/DCFSLoadBundleOperation.cs b/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/DCFSLoadBundleOperation.cs
index b588e0aa..dff1153c 100644
--- a/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/DCFSLoadBundleOperation.cs
+++ b/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/DCFSLoadBundleOperation.cs
@@ -1,4 +1,5 @@
-using System.IO;
+using System;
+using System.IO;
 using UnityEngine;
 
 namespace YooAsset
@@ -260,9 +261,30 @@ namespace YooAsset
             {
                 if (_fileSystem.Exists(_bundle))
                 {
-                    DownloadProgress = 1f;
-                    DownloadedBytes = _bundle.FileSize;
-                    _steps = ESteps.LoadCacheRawBundle;
+                    // 注意：缓存的原生文件的格式，可能会在业务端根据需求发生变动！
+                    // 注意：这里需要校验文件格式，如果不一致对本地文件进行修正！
+                    string filePath = _fileSystem.GetCacheBundleFileLoadPath(_bundle);
+                    if (File.Exists(filePath) == false)
+                    {
+                        try
+                        {
+                            var recordFileElement = _fileSystem.GetRecordFileElement(_bundle);
+                            File.Move(recordFileElement.DataFilePath, filePath);
+                            _steps = ESteps.LoadCacheRawBundle;
+                        }
+                        catch (Exception e)
+                        {
+                            _steps = ESteps.Done;
+                            Status = EOperationStatus.Failed;
+                            Error = $"Faild rename raw data file : {e.Message}";
+                        }
+                    }
+                    else
+                    {
+                        DownloadProgress = 1f;
+                        DownloadedBytes = _bundle.FileSize;
+                        _steps = ESteps.LoadCacheRawBundle;
+                    }
                 }
                 else
                 {
diff --git a/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/SearchCacheFilesOperation.cs b/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/SearchCacheFilesOperation.cs
index 7779c73b..0be6c4dc 100644
--- a/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/SearchCacheFilesOperation.cs
+++ b/Assets/YooAsset/Runtime/FileSystem/DefaultCacheFileSystem/Operation/internal/SearchCacheFilesOperation.cs
@@ -92,12 +92,7 @@ namespace YooAsset
                     if (_fileSystem.AppendFileExtension)
                     {
                         string dataFileExtension = FindDataFileExtension(chidDirectory);
-                        if (string.IsNullOrEmpty(dataFileExtension))
-                        {
-                            //注意：覆盖安装的情况下，缓存文件可能会没有后缀格式，需要删除重新下载！
-                            dataFilePath = string.Empty;
-                        }
-                        else
+                        if (string.IsNullOrEmpty(dataFileExtension) == false)
                         {
                             dataFilePath += dataFileExtension;
                         }