diff --git a/src/BaGetter.Tencent/BucketClient.cs b/src/BaGetter.Tencent/BucketClient.cs
index 1effb79b..a8aad07f 100644
--- a/src/BaGetter.Tencent/BucketClient.cs
+++ b/src/BaGetter.Tencent/BucketClient.cs
@@ -23,31 +23,6 @@ public BucketClient(CosXmlServer cosXml, string fullBucketName, string appId, st
         _region = region;
     }
 
-    public bool UploadBytes(string key, byte[] fileData)
-    {
-        var result = false;
-        try
-        {
-            var request = new PutObjectRequest(_fullBucketName, key, fileData);
-
-            var resultData = CosXml.PutObject(request);
-
-            if (resultData != null && resultData.IsSuccessful())
-            {
-                result = true;
-            }
-        }
-        catch (CosClientException clientEx)
-        {
-            throw new Exception(clientEx.Message);
-        }
-        catch (CosServerException serverEx)
-        {
-            throw new Exception(serverEx.Message);
-        }
-        return result;
-    }
-
     public bool UploadStream(string key, Stream stream)
     {
         var result = false;
@@ -73,40 +48,6 @@ public bool UploadStream(string key, Stream stream)
         return result;
     }
 
-    public (string, byte[]) DownloadDirDefaultFileBytes(string dir)
-    {
-        try
-        {
-            var request = new GetBucketRequest(_fullBucketName);
-            request.SetPrefix($"{dir.TrimEnd('/')}/");
-            request.SetDelimiter("/");
-
-            var result = CosXml.GetBucket(request);
-
-            var info = result.listBucket;
-
-            var objects = info.contentsList;
-
-            var objectData = objects.FirstOrDefault(o => o.size > 0);
-
-            if (objectData != null)
-            {
-                var fileName = Path.GetFileName(objectData.key);
-                var fileBytes = DownloadFileBytes(objectData.key);
-                return (fileName, fileBytes);
-            }
-        }
-        catch (CosClientException clientEx)
-        {
-            throw new Exception(clientEx.Message);
-        }
-        catch (CosServerException serverEx)
-        {
-            throw new Exception(serverEx.Message);
-        }
-        return (string.Empty, Array.Empty<byte>());
-    }
-
     public byte[] DownloadFileBytes(string key)
     {
         try
@@ -129,136 +70,6 @@ public byte[] DownloadFileBytes(string key)
         return Array.Empty<byte>();
     }
 
-    public List<string> GetDirFiles(string dir)
-    {
-        try
-        {
-            var request = new GetBucketRequest(_fullBucketName);
-            request.SetPrefix($"{dir.TrimEnd('/')}/");
-            request.SetDelimiter("/");
-
-            var result = CosXml.GetBucket(request);
-
-            var info = result.listBucket;
-
-            var objects = info.contentsList;
-
-            return objects.Where(o => o.size > 0).Select(o => o.key).ToList();
-
-        }
-        catch (CosClientException clientEx)
-        {
-            throw new Exception(clientEx.Message);
-        }
-        catch (CosServerException serverEx)
-        {
-            throw new Exception(serverEx.Message);
-        }
-    }
-
-    public List<string> GetDirectories(string dir)
-    {
-        var dirs = new List<string>();
-        try
-        {
-            var request = new GetBucketRequest(_fullBucketName);
-            request.SetPrefix($"{dir.TrimEnd('/')}/");
-            request.SetDelimiter("/");
-
-            var result = CosXml.GetBucket(request);
-
-            var info = result.listBucket;
-
-            var objects = info.contentsList;
-
-            var list = objects.Where(o => o.size == 0 && o.key != dir).Select(o => o.key).ToList();
-
-            dirs.AddRange(list);
-
-            var commonPrefixes = info.commonPrefixesList;
-
-            dirs.AddRange(commonPrefixes.Select(c => c.prefix));
-
-            return dirs;
-
-        }
-        catch (CosClientException clientEx)
-        {
-            throw new Exception(clientEx.Message);
-        }
-        catch (CosServerException serverEx)
-        {
-            throw new Exception(serverEx.Message);
-        }
-    }
-
-    public bool DirExists(string dir)
-    {
-        try
-        {
-            var request = new GetBucketRequest(_fullBucketName);
-            request.SetPrefix($"{dir.TrimEnd('/')}/");
-            request.SetDelimiter("/");
-
-            var result = CosXml.GetBucket(request);
-
-            var info = result.listBucket;
-
-            var objects = info.contentsList;
-
-            return objects.Count > 0 || info?.commonPrefixesList.Count > 0;
-
-        }
-        catch (CosClientException clientEx)
-        {
-            throw new Exception(clientEx.Message);
-        }
-        catch (CosServerException serverEx)
-        {
-            throw new Exception(serverEx.Message);
-        }
-    }
-
-    public void MoveDir(string sourceDir, string destDir)
-    {
-        var listRequest = new GetBucketRequest(_fullBucketName);
-
-        listRequest.SetPrefix($"{sourceDir.TrimEnd('/')}/");
-        var listResult = CosXml.GetBucket(listRequest);
-
-        var info = listResult.listBucket;
-
-        var objects = info.contentsList;
-
-        foreach (var obj in objects)
-        {
-            string sourceKey = obj.key;
-            string destinationKey = $"{destDir.TrimEnd('/')}/{sourceKey.Substring(sourceDir.Length)}";
-
-            var copySource = new CopySourceStruct(_appId, _fullBucketName, _region, sourceKey);
-
-            var request = new CopyObjectRequest(_fullBucketName, destinationKey);
-
-            request.SetCopySource(copySource);
-            try
-            {
-
-                var result = CosXml.CopyObject(request);
-                var deleteRequest = new DeleteObjectRequest(_fullBucketName, sourceKey);
-                var deleteResult = CosXml.DeleteObject(deleteRequest);
-            }
-            catch (CosClientException clientEx)
-            {
-                throw new Exception(clientEx.Message);
-            }
-            catch (CosServerException serverEx)
-            {
-                throw new Exception(serverEx.Message);
-            }
-        }
-
-    }
-
     public void DeleteDir(string dir)
     {
         try
diff --git a/src/BaGetter.Tencent/TencentStorageService.cs b/src/BaGetter.Tencent/TencentStorageService.cs
index c8752f20..aa6a2994 100644
--- a/src/BaGetter.Tencent/TencentStorageService.cs
+++ b/src/BaGetter.Tencent/TencentStorageService.cs
@@ -18,8 +18,8 @@ public TencentStorageService(TencentCosClient cosClient, IOptionsSnapshot<Tencen
     public async Task DeleteAsync(string path, CancellationToken cancellationToken = default)
     {
         ArgumentException.ThrowIfNullOrEmpty(path);
-        var found = _cosClient.BucketClient.GetDirFiles(PrepareKey(path)).FirstOrDefault() ?? string.Empty;
-        if(string.IsNullOrEmpty(found))
+        var found = _cosClient.BucketClient.DoesObjectExist(PrepareKey(path)) ? PrepareKey(path) : string.Empty;
+        if (string.IsNullOrEmpty(found))
         {
             throw new KeyNotFoundException($"The file {path} was not found.");
         }
@@ -29,7 +29,9 @@ public async Task DeleteAsync(string path, CancellationToken cancellationToken =
     public async Task<Stream> GetAsync(string path, CancellationToken cancellationToken = default)
     {
         ArgumentException.ThrowIfNullOrEmpty(path);
-        var fileStorageUrl = _cosClient.BucketClient.GetDirFiles(PrepareKey(path)).FirstOrDefault() ?? string.Empty;
+
+        var fileStorageUrl = _cosClient.BucketClient.DoesObjectExist(PrepareKey(path)) ? PrepareKey(path) : string.Empty;
+
         if (string.IsNullOrEmpty(fileStorageUrl))
         {
             throw new KeyNotFoundException($"The file {path} was not found.");
@@ -41,7 +43,9 @@ public async Task<Stream> GetAsync(string path, CancellationToken cancellationTo
     public async Task<Uri> GetDownloadUriAsync(string path, CancellationToken cancellationToken = default)
     {
         ArgumentException.ThrowIfNullOrEmpty(path);
-        var fileStorageUrl = _cosClient.BucketClient.GetDirFiles(PrepareKey(path)).FirstOrDefault() ?? string.Empty;
+
+        var fileStorageUrl = _cosClient.BucketClient.DoesObjectExist(PrepareKey(path)) ? PrepareKey(path) : string.Empty;
+
         if (string.IsNullOrEmpty(fileStorageUrl))
         {
             throw new KeyNotFoundException($"The file {path} was not found.");
@@ -59,6 +63,7 @@ public async Task<StoragePutResult> PutAsync(string path, Stream content, string
         seekableContent.Seek(0, SeekOrigin.Begin);
 
         var fileRet = _cosClient.BucketClient.UploadStream(PrepareKey(path), seekableContent);
+
         if(!fileRet)
         {
             return StoragePutResult.AlreadyExists;