diff --git a/Assets/YooAsset/Editor/AssetBundleBuilder/BuildReport/BuildReport.cs b/Assets/YooAsset/Editor/AssetBundleBuilder/BuildReport/BuildReport.cs
index 556e424..abb174d 100644
--- a/Assets/YooAsset/Editor/AssetBundleBuilder/BuildReport/BuildReport.cs
+++ b/Assets/YooAsset/Editor/AssetBundleBuilder/BuildReport/BuildReport.cs
@@ -61,7 +61,7 @@ namespace YooAsset.Editor
 				File.Delete(savePath);
 
 			string json = JsonUtility.ToJson(buildReport, true);
-			FileUtility.CreateFile(savePath, json);
+			FileUtility.WriteAllText(savePath, json);
 		}
 		public static BuildReport Deserialize(string jsonData)
 		{
diff --git a/Assets/YooAsset/Editor/AssetBundleBuilder/BuildTasks/TaskCreateManifest.cs b/Assets/YooAsset/Editor/AssetBundleBuilder/BuildTasks/TaskCreateManifest.cs
index 1299b29..b6d62e8 100644
--- a/Assets/YooAsset/Editor/AssetBundleBuilder/BuildTasks/TaskCreateManifest.cs
+++ b/Assets/YooAsset/Editor/AssetBundleBuilder/BuildTasks/TaskCreateManifest.cs
@@ -98,7 +98,7 @@ namespace YooAsset.Editor
 			{
 				string fileName = YooAssetSettingsData.GetPackageHashFileName(buildParameters.PackageName, buildParameters.PackageVersion);
 				string filePath = $"{packageOutputDirectory}/{fileName}";
-				FileUtility.CreateFile(filePath, packageHash);
+				FileUtility.WriteAllText(filePath, packageHash);
 				BuildLogger.Log($"创建补丁清单哈希文件：{filePath}");
 			}
 
@@ -106,7 +106,7 @@ namespace YooAsset.Editor
 			{
 				string fileName = YooAssetSettingsData.GetPackageVersionFileName(buildParameters.PackageName);
 				string filePath = $"{packageOutputDirectory}/{fileName}";
-				FileUtility.CreateFile(filePath, buildParameters.PackageVersion);
+				FileUtility.WriteAllText(filePath, buildParameters.PackageVersion);
 				BuildLogger.Log($"创建补丁清单版本文件：{filePath}");
 			}
 		}
diff --git a/Assets/YooAsset/Editor/AssetBundleBuilder/BuildTasks/TaskEncryption.cs b/Assets/YooAsset/Editor/AssetBundleBuilder/BuildTasks/TaskEncryption.cs
index ab4e64b..4ca3832 100644
--- a/Assets/YooAsset/Editor/AssetBundleBuilder/BuildTasks/TaskEncryption.cs
+++ b/Assets/YooAsset/Editor/AssetBundleBuilder/BuildTasks/TaskEncryption.cs
@@ -52,7 +52,7 @@ namespace YooAsset.Editor
 					}
 
 					string filePath = $"{pipelineOutputDirectory}/{bundleInfo.BundleName}.encrypt";
-					FileUtility.CreateFile(filePath, encryptResult.EncryptedData);
+					FileUtility.WriteAllBytes(filePath, encryptResult.EncryptedData);
 					bundleInfo.EncryptedFilePath = filePath;
 					bundleInfo.LoadMethod = encryptResult.LoadMethod;
 					BuildLogger.Log($"Bundle文件加密完成：{filePath}");
diff --git a/Assets/YooAsset/Editor/AssetBundleDebugger/AssetBundleDebuggerWindow.cs b/Assets/YooAsset/Editor/AssetBundleDebugger/AssetBundleDebuggerWindow.cs
index 820edeb..6f40be1 100644
--- a/Assets/YooAsset/Editor/AssetBundleDebugger/AssetBundleDebuggerWindow.cs
+++ b/Assets/YooAsset/Editor/AssetBundleDebugger/AssetBundleDebuggerWindow.cs
@@ -278,7 +278,7 @@ namespace YooAsset.Editor
 
 				string filePath = $"{resultPath}/{nameof(DebugReport)}_{_currentReport.FrameCount}.json";
 				string fileContent = JsonUtility.ToJson(_currentReport, true);
-				FileUtility.CreateFile(filePath, fileContent);
+				FileUtility.WriteAllText(filePath, fileContent);
 			}
 		}
 		private void OnSearchKeyWordChange(ChangeEvent<string> e)
diff --git a/Assets/YooAsset/Runtime/AssetSystem/Handles/RawFileOperationHandle.cs b/Assets/YooAsset/Runtime/AssetSystem/Handles/RawFileOperationHandle.cs
index 4f41857..bb66549 100644
--- a/Assets/YooAsset/Runtime/AssetSystem/Handles/RawFileOperationHandle.cs
+++ b/Assets/YooAsset/Runtime/AssetSystem/Handles/RawFileOperationHandle.cs
@@ -86,9 +86,7 @@ namespace YooAsset
 			if (IsValidWithWarning == false)
 				return null;
 			string filePath = Provider.RawFilePath;
-			if (File.Exists(filePath) == false)
-				return null;
-			return File.ReadAllText(filePath, Encoding.UTF8);
+			return FileUtility.ReadAllText(filePath);
 		}
 
 		/// <summary>
diff --git a/Assets/YooAsset/Runtime/PackageSystem/ManifestTools.cs b/Assets/YooAsset/Runtime/PackageSystem/ManifestTools.cs
index 1494db3..7ae3b36 100644
--- a/Assets/YooAsset/Runtime/PackageSystem/ManifestTools.cs
+++ b/Assets/YooAsset/Runtime/PackageSystem/ManifestTools.cs
@@ -16,7 +16,7 @@ namespace YooAsset
 		public static void SerializeToJson(string savePath, PackageManifest manifest)
 		{
 			string json = JsonUtility.ToJson(manifest, true);
-			FileUtility.CreateFile(savePath, json);
+			FileUtility.WriteAllText(savePath, json);
 		}
 
 		/// <summary>
diff --git a/Assets/YooAsset/Runtime/PackageSystem/Operations/InitializationOperation.cs b/Assets/YooAsset/Runtime/PackageSystem/Operations/InitializationOperation.cs
index f21c10f..32c2e66 100644
--- a/Assets/YooAsset/Runtime/PackageSystem/Operations/InitializationOperation.cs
+++ b/Assets/YooAsset/Runtime/PackageSystem/Operations/InitializationOperation.cs
@@ -410,7 +410,7 @@ namespace YooAsset
 			_footPrint = Application.buildGUID;
 #endif
 			string footPrintFilePath = PersistentTools.GetAppFootPrintFilePath();
-			FileUtility.CreateFile(footPrintFilePath, _footPrint);
+			FileUtility.WriteAllText(footPrintFilePath, _footPrint);
 			YooLogger.Log($"Save application foot print : {_footPrint}");
 		}
 	}
diff --git a/Assets/YooAsset/Runtime/Utility/YooUtility.cs b/Assets/YooAsset/Runtime/Utility/YooUtility.cs
index 45a5b56..ddde6dd 100644
--- a/Assets/YooAsset/Runtime/Utility/YooUtility.cs
+++ b/Assets/YooAsset/Runtime/Utility/YooUtility.cs
@@ -13,7 +13,7 @@ namespace YooAsset
 	internal static class StringUtility
 	{
 		[ThreadStatic]
-		private static StringBuilder _cacheBuilder = new StringBuilder(1024);
+		private static StringBuilder _cacheBuilder = new StringBuilder(2048);
 
 		public static string Format(string format, object arg0)
 		{
@@ -106,46 +106,26 @@ namespace YooAsset
 		}
 
 		/// <summary>
-		/// 创建文件（如果已经存在则删除旧文件）
+		/// 写入文本数据（会覆盖指定路径的文件）
 		/// </summary>
-		public static void CreateFile(string filePath, string content)
+		public static void WriteAllText(string filePath, string content)
 		{
-			// 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
 			byte[] bytes = Encoding.UTF8.GetBytes(content);
-			using (FileStream fs = File.Create(filePath))
-			{
-				fs.Write(bytes, 0, bytes.Length);
-				fs.Flush();
-				fs.Close();
-			}
+			File.WriteAllBytes(filePath, bytes); //避免写入BOM标记
 		}
 
 		/// <summary>
-		/// 创建文件（如果已经存在则删除旧文件）
+		/// 写入字节数据（会覆盖指定路径的文件）
 		/// </summary>
-		public static void CreateFile(string filePath, byte[] data)
+		public static void WriteAllBytes(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();
-			}
+			File.WriteAllBytes(filePath, data);
 		}
 
 		/// <summary>