diff --git a/Assets/YooAsset/Runtime/Utility/YooUtility.cs b/Assets/YooAsset/Runtime/Utility/YooUtility.cs
index 1f12aa62..57132f2f 100644
--- a/Assets/YooAsset/Runtime/Utility/YooUtility.cs
+++ b/Assets/YooAsset/Runtime/Utility/YooUtility.cs
@@ -1,377 +1,87 @@
-using System;
-using System.IO;
-using System.Security.Cryptography;
-using System.Text;
+using System;
+using System.Diagnostics;
 
 namespace YooAsset
 {
     /// <summary>
-    /// 路径工具类
+    /// 自定义日志处理
     /// </summary>
-    internal static class PathUtility
+    public interface ILogger
     {
-        /// <summary>
-        /// 路径归一化
-        /// 注意：替换为Linux路径格式
-        /// </summary>
-        public static string RegularPath(string path)
-        {
-            return path.Replace('\\', '/').Replace("\\", "/");
-        }
+        void Log(string message);
+        void Warning(string message);
+        void Error(string message);
+        void Exception(System.Exception exception);
+    }
+
+    internal static class YooLogger
+    {
+        public static ILogger Logger = null;
 
         /// <summary>
-        /// 移除路径里的后缀名
+        /// 日志
         /// </summary>
-        public static string RemoveExtension(string str)
+        [Conditional("DEBUG")]
+        public static void Log(string info)
         {
-            if (string.IsNullOrEmpty(str))
-                return str;
-
-            int index = str.LastIndexOf('.');
-            if (index == -1)
-                return str;
+            if (Logger != null)
+            {
+                Logger.Log(GetTime() + info);
+            }
             else
-                return str.Remove(index); //"assets/config/test.unity3d" --> "assets/config/test"
+            {
+                UnityEngine.Debug.Log(GetTime() + info);
+            }
         }
 
         /// <summary>
-        /// 合并路径
+        /// 警告
         /// </summary>
-        public static string Combine(string path1, string path2)
+        public static void Warning(string info)
         {
-            return StringUtility.Format("{0}/{1}", path1, path2);
+            if (Logger != null)
+            {
+                Logger.Warning(GetTime() + info);
+            }
+            else
+            {
+                UnityEngine.Debug.LogWarning(GetTime() + info);
+            }
         }
 
         /// <summary>
-        /// 合并路径
+        /// 错误
         /// </summary>
-        public static string Combine(string path1, string path2, string path3)
+        public static void Error(string info)
         {
-            return StringUtility.Format("{0}/{1}/{2}", path1, path2, path3);
+            if (Logger != null)
+            {
+                Logger.Error(GetTime() + info);
+            }
+            else
+            {
+                UnityEngine.Debug.LogError(GetTime() + info);
+            }
+        }
+
+        private static string GetTime()
+        {
+            return $"[YooAsset]:[{DateTime.Now:HH:mm:ss.fff}]:";
         }
 
         /// <summary>
-        /// 合并路径
+        /// 异常
         /// </summary>
-        public static string Combine(string path1, string path2, string path3, string path4)
+        public static void Exception(System.Exception exception)
         {
-            return StringUtility.Format("{0}/{1}/{2}/{3}", path1, path2, path3, path4);
+            if (Logger != null)
+            {
+                Logger.Exception(exception);
+            }
+            else
+            {
+                UnityEngine.Debug.LogException(exception);
+            }
         }
     }
-
-    /// <summary>
-    /// 字符串工具类
-    /// </summary>
-    internal static class StringUtility
-    {
-        [ThreadStatic]
-        private static StringBuilder _cacheBuilder = new StringBuilder(2048);
-
-        public static string Format(string format, object arg0)
-        {
-            if (string.IsNullOrEmpty(format))
-                throw new ArgumentNullException();
-
-            _cacheBuilder.Length = 0;
-            _cacheBuilder.AppendFormat(format, arg0);
-            return _cacheBuilder.ToString();
-        }
-        public static string Format(string format, object arg0, object arg1)
-        {
-            if (string.IsNullOrEmpty(format))
-                throw new ArgumentNullException();
-
-            _cacheBuilder.Length = 0;
-            _cacheBuilder.AppendFormat(format, arg0, arg1);
-            return _cacheBuilder.ToString();
-        }
-        public static string Format(string format, object arg0, object arg1, object arg2)
-        {
-            if (string.IsNullOrEmpty(format))
-                throw new ArgumentNullException();
-
-            _cacheBuilder.Length = 0;
-            _cacheBuilder.AppendFormat(format, arg0, arg1, arg2);
-            return _cacheBuilder.ToString();
-        }
-        public static string Format(string format, params object[] args)
-        {
-            if (string.IsNullOrEmpty(format))
-                throw new ArgumentNullException();
-
-            if (args == null)
-                throw new ArgumentNullException();
-
-            _cacheBuilder.Length = 0;
-            _cacheBuilder.AppendFormat(format, args);
-            return _cacheBuilder.ToString();
-        }
-    }
-
-    /// <summary>
-    /// 文件工具类
-    /// </summary>
-    internal static class FileUtility
-    {
-        /// <summary>
-        /// 读取文件的文本数据
-        /// </summary>
-        public static string ReadAllText(string filePath)
-        {
-            if (File.Exists(filePath) == false)
-                return null;
-            return File.ReadAllText(filePath, Encoding.UTF8);
-        }
-
-        /// <summary>
-        /// 读取文件的字节数据
-        /// </summary>
-        public static byte[] ReadAllBytes(string filePath)
-        {
-            if (File.Exists(filePath) == false)
-                return null;
-            return File.ReadAllBytes(filePath);
-        }
-
-        /// <summary>
-        /// 写入文本数据（会覆盖指定路径的文件）
-        /// </summary>
-        public static void WriteAllText(string filePath, string content)
-        {
-            // 创建文件夹路径
-            CreateFileDirectory(filePath);
-
-            byte[] bytes = Encoding.UTF8.GetBytes(content);
-            File.WriteAllBytes(filePath, bytes); //避免写入BOM标记
-        }
-
-        /// <summary>
-        /// 写入字节数据（会覆盖指定路径的文件）
-        /// </summary>
-        public static void WriteAllBytes(string filePath, byte[] data)
-        {
-            // 创建文件夹路径
-            CreateFileDirectory(filePath);
-
-            File.WriteAllBytes(filePath, data);
-        }
-
-        /// <summary>
-        /// 创建文件的文件夹路径
-        /// </summary>
-        public static void CreateFileDirectory(string filePath)
-        {
-            // 获取文件的文件夹路径
-            string directory = Path.GetDirectoryName(filePath);
-            CreateDirectory(directory);
-        }
-
-        /// <summary>
-        /// 创建文件夹路径
-        /// </summary>
-        public static void CreateDirectory(string directory)
-        {
-            // If the directory doesn't exist, create it.
-            if (Directory.Exists(directory) == false)
-                Directory.CreateDirectory(directory);
-        }
-
-        /// <summary>
-        /// 获取文件大小（字节数）
-        /// </summary>
-        public static long GetFileSize(string filePath)
-        {
-            FileInfo fileInfo = new FileInfo(filePath);
-            return fileInfo.Length;
-        }
-    }
-
-    /// <summary>
-    /// 哈希工具类
-    /// </summary>
-    public static class HashUtility
-    {
-        private static string ToString(byte[] hashBytes)
-        {
-            string result = BitConverter.ToString(hashBytes);
-            result = result.Replace("-", "");
-            return result.ToLower();
-        }
-
-        #region SHA1
-        /// <summary>
-        /// 获取字符串的Hash值
-        /// </summary>
-        public static string StringSHA1(string str)
-        {
-            byte[] buffer = Encoding.UTF8.GetBytes(str);
-            return BytesSHA1(buffer);
-        }
-
-        /// <summary>
-        /// 获取文件的Hash值
-        /// </summary>
-        public static string FileSHA1(string filePath)
-        {
-            using (FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return StreamSHA1(fs);
-            }
-        }
-
-        /// <summary>
-        /// 获取文件的Hash值
-        /// </summary>
-        public static string FileSHA1Safely(string filePath)
-        {
-            try
-            {
-                return FileSHA1(filePath);
-            }
-            catch (Exception e)
-            {
-                YooLogger.Exception(e);
-                return string.Empty;
-            }
-        }
-
-        /// <summary>
-        /// 获取数据流的Hash值
-        /// </summary>
-        public static string StreamSHA1(Stream stream)
-        {
-            // 说明：创建的是SHA1类的实例，生成的是160位的散列码
-            HashAlgorithm hash = HashAlgorithm.Create();
-            byte[] hashBytes = hash.ComputeHash(stream);
-            return ToString(hashBytes);
-        }
-
-        /// <summary>
-        /// 获取字节数组的Hash值
-        /// </summary>
-        public static string BytesSHA1(byte[] buffer)
-        {
-            // 说明：创建的是SHA1类的实例，生成的是160位的散列码
-            HashAlgorithm hash = HashAlgorithm.Create();
-            byte[] hashBytes = hash.ComputeHash(buffer);
-            return ToString(hashBytes);
-        }
-        #endregion
-
-        #region MD5
-        /// <summary>
-        /// 获取字符串的MD5
-        /// </summary>
-        public static string StringMD5(string str)
-        {
-            byte[] buffer = Encoding.UTF8.GetBytes(str);
-            return BytesMD5(buffer);
-        }
-
-        /// <summary>
-        /// 获取文件的MD5
-        /// </summary>
-        public static string FileMD5(string filePath)
-        {
-            using (FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return StreamMD5(fs);
-            }
-        }
-
-        /// <summary>
-        /// 获取文件的MD5
-        /// </summary>
-        public static string FileMD5Safely(string filePath)
-        {
-            try
-            {
-                return FileMD5(filePath);
-            }
-            catch (Exception e)
-            {
-                YooLogger.Exception(e);
-                return string.Empty;
-            }
-        }
-
-        /// <summary>
-        /// 获取数据流的MD5
-        /// </summary>
-        public static string StreamMD5(Stream stream)
-        {
-            MD5CryptoServiceProvider provider = new MD5CryptoServiceProvider();
-            byte[] hashBytes = provider.ComputeHash(stream);
-            return ToString(hashBytes);
-        }
-
-        /// <summary>
-        /// 获取字节数组的MD5
-        /// </summary>
-        public static string BytesMD5(byte[] buffer)
-        {
-            MD5CryptoServiceProvider provider = new MD5CryptoServiceProvider();
-            byte[] hashBytes = provider.ComputeHash(buffer);
-            return ToString(hashBytes);
-        }
-        #endregion
-
-        #region CRC32
-        /// <summary>
-        /// 获取字符串的CRC32
-        /// </summary>
-        public static string StringCRC32(string str)
-        {
-            byte[] buffer = Encoding.UTF8.GetBytes(str);
-            return BytesCRC32(buffer);
-        }
-
-        /// <summary>
-        /// 获取文件的CRC32
-        /// </summary>
-        public static string FileCRC32(string filePath)
-        {
-            using (FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return StreamCRC32(fs);
-            }
-        }
-
-        /// <summary>
-        /// 获取文件的CRC32
-        /// </summary>
-        public static string FileCRC32Safely(string filePath)
-        {
-            try
-            {
-                return FileCRC32(filePath);
-            }
-            catch (Exception e)
-            {
-                YooLogger.Exception(e);
-                return string.Empty;
-            }
-        }
-
-        /// <summary>
-        /// 获取数据流的CRC32
-        /// </summary>
-        public static string StreamCRC32(Stream stream)
-        {
-            CRC32Algorithm hash = new CRC32Algorithm();
-            byte[] hashBytes = hash.ComputeHash(stream);
-            return ToString(hashBytes);
-        }
-
-        /// <summary>
-        /// 获取字节数组的CRC32
-        /// </summary>
-        public static string BytesCRC32(byte[] buffer)
-        {
-            CRC32Algorithm hash = new CRC32Algorithm();
-            byte[] hashBytes = hash.ComputeHash(buffer);
-            return ToString(hashBytes);
-        }
-        #endregion
-    }
-}
\ No newline at end of file
+}