diff --git a/Assets/YooAsset/Runtime/AssetSystem/Operations/RawFileOperation.cs b/Assets/YooAsset/Runtime/AssetSystem/Operations/RawFileOperation.cs
index 2d6895c..736aac9 100644
--- a/Assets/YooAsset/Runtime/AssetSystem/Operations/RawFileOperation.cs
+++ b/Assets/YooAsset/Runtime/AssetSystem/Operations/RawFileOperation.cs
@@ -146,7 +146,7 @@ namespace YooAsset
 				{
 					_steps = ESteps.Done;
 					Status = EOperationStatus.Failed;
-					Error = e.ToString();
+					Error = e.Message;
 				}
 			}
 		}
@@ -281,7 +281,7 @@ namespace YooAsset
 				{
 					_steps = ESteps.Done;
 					Status = EOperationStatus.Failed;
-					Error = e.ToString();
+					Error = e.Message;
 				}
 			}
 		}
@@ -429,7 +429,7 @@ namespace YooAsset
 				{
 					_steps = ESteps.Done;
 					Status = EOperationStatus.Failed;
-					Error = e.ToString();
+					Error = e.Message;
 				}
 			}
 		}
diff --git a/Assets/YooAsset/Runtime/PatchSystem/Operations/ClearUnusedCacheFilesOperation.cs b/Assets/YooAsset/Runtime/PatchSystem/Operations/ClearUnusedCacheFilesOperation.cs
index 2618162..5c72672 100644
--- a/Assets/YooAsset/Runtime/PatchSystem/Operations/ClearUnusedCacheFilesOperation.cs
+++ b/Assets/YooAsset/Runtime/PatchSystem/Operations/ClearUnusedCacheFilesOperation.cs
@@ -57,7 +57,7 @@ namespace YooAsset
 						}
 						catch (System.Exception e)
 						{
-							YooLogger.Warning($"Failed delete cache file : {filePath} Exception : {e}");
+							YooLogger.Warning($"Failed delete cache file : {filePath} ! {e.Message}");
 						}
 					}
 					_unusedCacheFilePaths.RemoveAt(i);
diff --git a/Assets/YooAsset/Runtime/PatchSystem/PatchBundle.cs b/Assets/YooAsset/Runtime/PatchSystem/PatchBundle.cs
index 1b16bdb..d2b5721 100644
--- a/Assets/YooAsset/Runtime/PatchSystem/PatchBundle.cs
+++ b/Assets/YooAsset/Runtime/PatchSystem/PatchBundle.cs
@@ -125,31 +125,7 @@ namespace YooAsset
 		/// </summary>
 		public void ParseFileName(int nameStype)
 		{
-			if (nameStype == 1)
-			{
-				FileName = FileHash;
-			}
-			else if (nameStype == 2)
-			{
-				string tempFileExtension = System.IO.Path.GetExtension(BundleName);
-				FileName = $"{FileHash}{tempFileExtension}";
-			}
-			else if (nameStype == 3)
-			{
-				string tempFileExtension = System.IO.Path.GetExtension(BundleName);
-				string tempBundleName = BundleName.Replace('/', '_').Replace(tempFileExtension, "");
-				FileName = $"{tempBundleName}_{FileHash}";
-			}
-			else if (nameStype == 4)
-			{
-				string tempFileExtension = System.IO.Path.GetExtension(BundleName);
-				string tempBundleName = BundleName.Replace('/', '_').Replace(tempFileExtension, "");
-				FileName = $"{tempBundleName}_{FileHash}{tempFileExtension}";
-			}
-			else
-			{
-				throw new NotImplementedException();
-			}
+			FileName = PatchManifest.CreateBundleFileName(nameStype, BundleName, FileHash);
 		}
 
 		/// <summary>
diff --git a/Assets/YooAsset/Runtime/PatchSystem/PatchManifest.cs b/Assets/YooAsset/Runtime/PatchSystem/PatchManifest.cs
index e57d2c1..c1840f8 100644
--- a/Assets/YooAsset/Runtime/PatchSystem/PatchManifest.cs
+++ b/Assets/YooAsset/Runtime/PatchSystem/PatchManifest.cs
@@ -308,5 +308,37 @@ namespace YooAsset
 
 			return patchManifest;
 		}
+
+		/// <summary>
+		/// 生成Bundle文件的正式名称
+		/// </summary>
+		public static string CreateBundleFileName(int nameStype, string bundleName, string fileHash)
+		{
+			if (nameStype == 1)
+			{
+				return fileHash;
+			}
+			else if (nameStype == 2)
+			{
+				string tempFileExtension = System.IO.Path.GetExtension(bundleName);
+				return $"{fileHash}{tempFileExtension}";
+			}
+			else if (nameStype == 3)
+			{
+				string tempFileExtension = System.IO.Path.GetExtension(bundleName);
+				string tempBundleName = bundleName.Replace('/', '_').Replace(tempFileExtension, "");
+				return $"{tempBundleName}_{fileHash}";
+			}
+			else if (nameStype == 4)
+			{
+				string tempFileExtension = System.IO.Path.GetExtension(bundleName);
+				string tempBundleName = bundleName.Replace('/', '_').Replace(tempFileExtension, "");
+				return $"{tempBundleName}_{fileHash}{tempFileExtension}";
+			}
+			else
+			{
+				throw new NotImplementedException();
+			}
+		}
 	}
 }
\ No newline at end of file
diff --git a/Assets/YooAsset/Runtime/Utility/YooUtility.cs b/Assets/YooAsset/Runtime/Utility/YooUtility.cs
index 7daa25e..9e118ab 100644
--- a/Assets/YooAsset/Runtime/Utility/YooUtility.cs
+++ b/Assets/YooAsset/Runtime/Utility/YooUtility.cs
@@ -148,6 +148,27 @@ namespace YooAsset
 			}
 		}
 
+		/// <summary>
+		/// 创建文件（如果已经存在则删除旧文件）
+		/// </summary>
+		public static void CreateFile(string filePath, byte[] data)
+		{
+			// 删除旧文件
+			if (File.Exists(filePath))
+				File.Delete(filePath);
+
+			// 创建文件夹路径
+			CreateFileDirectory(filePath);
+
+			// 创建新文件
+			using (FileStream fs = File.Create(filePath))
+			{
+				fs.Write(data, 0, data.Length);
+				fs.Flush();
+				fs.Close();
+			}
+		}
+
 		/// <summary>
 		/// 创建文件的文件夹路径
 		/// </summary>