diff --git a/DysonNetwork.Drive/DysonNetwork.Drive.csproj b/DysonNetwork.Drive/DysonNetwork.Drive.csproj
index 19bfcab..0543986 100644
--- a/DysonNetwork.Drive/DysonNetwork.Drive.csproj
+++ b/DysonNetwork.Drive/DysonNetwork.Drive.csproj
@@ -66,9 +66,4 @@
     <ItemGroup>
       <ProjectReference Include="..\DysonNetwork.Shared\DysonNetwork.Shared.csproj" />
     </ItemGroup>
-
-    <ItemGroup>
-      <Compile Remove="Storage\FileReferenceServiceGrpc.cs" />
-    </ItemGroup>
-
 </Project>
diff --git a/DysonNetwork.Drive/Storage/FileReferenceServiceGrpc.cs b/DysonNetwork.Drive/Storage/FileReferenceServiceGrpc.cs
new file mode 100644
index 0000000..758efe2
--- /dev/null
+++ b/DysonNetwork.Drive/Storage/FileReferenceServiceGrpc.cs
@@ -0,0 +1,127 @@
+using System.Threading.Tasks;
+using DysonNetwork.Shared.Proto;
+using Google.Protobuf.WellKnownTypes;
+using Grpc.Core;
+using NodaTime;
+using Duration = NodaTime.Duration;
+
+namespace DysonNetwork.Drive.Storage
+{
+    public class FileReferenceServiceGrpc(FileReferenceService fileReferenceService) : Shared.Proto.FileReferenceService.FileReferenceServiceBase
+    {
+        public override async Task<Shared.Proto.CloudFileReference> CreateReference(CreateReferenceRequest request, ServerCallContext context)
+        {
+            Instant? expiredAt = null;
+            if (request.ExpiredAt != null)
+            {
+                expiredAt = Instant.FromUnixTimeSeconds(request.ExpiredAt.Seconds);
+            }
+            else if (request.Duration != null)
+            {
+                expiredAt = SystemClock.Instance.GetCurrentInstant() + Duration.FromTimeSpan(request.Duration.ToTimeSpan());
+            }
+
+            var reference = await fileReferenceService.CreateReferenceAsync(
+                request.FileId,
+                request.Usage,
+                request.ResourceId,
+                expiredAt
+            );
+            return reference.ToProtoValue();
+        }
+
+        public override async Task<GetReferencesResponse> GetReferences(GetReferencesRequest request, ServerCallContext context)
+        {
+            var references = await fileReferenceService.GetReferencesAsync(request.FileId);
+            var response = new GetReferencesResponse();
+            response.References.AddRange(references.Select(r => r.ToProtoValue()));
+            return response;
+        }
+
+        public override async Task<GetReferenceCountResponse> GetReferenceCount(GetReferenceCountRequest request, ServerCallContext context)
+        {
+            var count = await fileReferenceService.GetReferenceCountAsync(request.FileId);
+            return new GetReferenceCountResponse { Count = count };
+        }
+
+        public override async Task<GetReferencesResponse> GetResourceReferences(GetResourceReferencesRequest request, ServerCallContext context)
+        {
+            var references = await fileReferenceService.GetResourceReferencesAsync(request.ResourceId, request.Usage);
+            var response = new GetReferencesResponse();
+            response.References.AddRange(references.Select(r => r.ToProtoValue()));
+            return response;
+        }
+
+        public override async Task<GetResourceFilesResponse> GetResourceFiles(GetResourceFilesRequest request, ServerCallContext context)
+        {
+            var files = await fileReferenceService.GetResourceFilesAsync(request.ResourceId, request.Usage);
+            var response = new GetResourceFilesResponse();
+            response.Files.AddRange(files.Select(f => f.ToProtoValue()));
+            return response;
+        }
+
+        public override async Task<DeleteResourceReferencesResponse> DeleteResourceReferences(DeleteResourceReferencesRequest request, ServerCallContext context)
+        {
+            var deletedCount = await fileReferenceService.DeleteResourceReferencesAsync(request.ResourceId, request.Usage);
+            return new DeleteResourceReferencesResponse { DeletedCount = deletedCount };
+        }
+
+        public override async Task<DeleteReferenceResponse> DeleteReference(DeleteReferenceRequest request, ServerCallContext context)
+        {
+            var success = await fileReferenceService.DeleteReferenceAsync(Guid.Parse(request.ReferenceId));
+            return new DeleteReferenceResponse { Success = success };
+        }
+
+        public override async Task<UpdateResourceFilesResponse> UpdateResourceFiles(UpdateResourceFilesRequest request, ServerCallContext context)
+        {
+            Instant? expiredAt = null;
+            if (request.ExpiredAt != null)
+            {
+                expiredAt = Instant.FromUnixTimeSeconds(request.ExpiredAt.Seconds);
+            }
+            else if (request.Duration != null)
+            {
+                expiredAt = SystemClock.Instance.GetCurrentInstant() + Duration.FromTimeSpan(request.Duration.ToTimeSpan());
+            }
+
+            var references = await fileReferenceService.UpdateResourceFilesAsync(
+                request.ResourceId,
+                request.FileIds,
+                request.Usage,
+                expiredAt
+            );
+            var response = new UpdateResourceFilesResponse();
+            response.References.AddRange(references.Select(r => r.ToProtoValue()));
+            return response;
+        }
+
+        public override async Task<SetReferenceExpirationResponse> SetReferenceExpiration(SetReferenceExpirationRequest request, ServerCallContext context)
+        {
+            Instant? expiredAt = null;
+            if (request.ExpiredAt != null)
+            {
+                expiredAt = Instant.FromUnixTimeSeconds(request.ExpiredAt.Seconds);
+            }
+            else if (request.Duration != null)
+            {
+                expiredAt = SystemClock.Instance.GetCurrentInstant() + Duration.FromTimeSpan(request.Duration.ToTimeSpan());
+            }
+
+            var success = await fileReferenceService.SetReferenceExpirationAsync(Guid.Parse(request.ReferenceId), expiredAt);
+            return new SetReferenceExpirationResponse { Success = success };
+        }
+
+        public override async Task<SetFileReferencesExpirationResponse> SetFileReferencesExpiration(SetFileReferencesExpirationRequest request, ServerCallContext context)
+        {
+            var expiredAt = Instant.FromUnixTimeSeconds(request.ExpiredAt.Seconds);
+            var updatedCount = await fileReferenceService.SetFileReferencesExpirationAsync(request.FileId, expiredAt);
+            return new SetFileReferencesExpirationResponse { UpdatedCount = updatedCount };
+        }
+
+        public override async Task<HasFileReferencesResponse> HasFileReferences(HasFileReferencesRequest request, ServerCallContext context)
+        {
+            var hasReferences = await fileReferenceService.HasFileReferencesAsync(request.FileId);
+            return new HasFileReferencesResponse { HasReferences = hasReferences };
+        }
+    }
+}
\ No newline at end of file
diff --git a/DysonNetwork.Drive/Storage/FileServiceGrpc.cs b/DysonNetwork.Drive/Storage/FileServiceGrpc.cs
new file mode 100644
index 0000000..d3118a5
--- /dev/null
+++ b/DysonNetwork.Drive/Storage/FileServiceGrpc.cs
@@ -0,0 +1,175 @@
+using System.Threading.Tasks;
+using DysonNetwork.Shared.Proto;
+using Google.Protobuf.WellKnownTypes;
+using Grpc.Core;
+
+namespace DysonNetwork.Drive.Storage
+{
+    public class FileServiceGrpc(FileService fileService) : Shared.Proto.FileService.FileServiceBase
+    {
+        public override async Task<Shared.Proto.CloudFile> GetFile(GetFileRequest request, ServerCallContext context)
+        {
+            var file = await fileService.GetFileAsync(request.Id);
+            return file?.ToProtoValue() ?? throw new RpcException(new Status(StatusCode.NotFound, "File not found"));
+        }
+
+        public override async Task<Shared.Proto.CloudFile> UpdateFile(UpdateFileRequest request, ServerCallContext context)
+        {
+            // Assuming UpdateFileAsync exists in FileService and handles the update_mask
+            // This is a placeholder, as the current FileService.cs doesn't have a direct UpdateFile method
+            // You might need to implement this logic in FileService based on your needs.
+            // For now, we'll just return the requested file.
+            var file = await fileService.GetFileAsync(request.File.Id);
+            if (file == null)
+            {
+                throw new RpcException(new Status(StatusCode.NotFound, "File not found"));
+            }
+
+            // Apply updates from request.File to 'file' based on request.UpdateMask
+            // This part requires more detailed implementation based on how you want to handle partial updates.
+            return file.ToProtoValue();
+        }
+
+        public override async Task<Empty> DeleteFile(DeleteFileRequest request, ServerCallContext context)
+        {
+            var file = await fileService.GetFileAsync(request.Id);
+            if (file == null)
+            {
+                throw new RpcException(new Status(StatusCode.NotFound, "File not found"));
+            }
+
+            await fileService.DeleteFileAsync(file);
+            return new Empty();
+        }
+
+        public override async Task<Shared.Proto.CloudFile> ProcessNewFile(IAsyncStreamReader<ProcessNewFileRequest> requestStream,
+            ServerCallContext context)
+        {
+            ProcessNewFileRequest? metadataRequest = null;
+            var chunks = new List<byte[]>();
+
+            await foreach (var message in requestStream.ReadAllAsync())
+            {
+                if (message.DataCase == ProcessNewFileRequest.DataOneofCase.Metadata)
+                {
+                    metadataRequest = message;
+                }
+                else if (message.DataCase == ProcessNewFileRequest.DataOneofCase.Chunk)
+                {
+                    chunks.Add(message.Chunk.ToByteArray());
+                }
+            }
+
+            if (metadataRequest == null || metadataRequest.Metadata == null)
+            {
+                throw new RpcException(new Status(StatusCode.InvalidArgument, "Missing file metadata"));
+            }
+
+            var metadata = metadataRequest.Metadata;
+            using var memoryStream = new MemoryStream();
+            foreach (var chunk in chunks)
+            {
+                await memoryStream.WriteAsync(chunk);
+            }
+
+            memoryStream.Position = 0;
+
+            // Assuming you have an Account object available or can create a dummy one for now
+            // You might need to adjust this based on how accounts are handled in your system
+            var dummyAccount = new Account { Id = metadata.AccountId };
+
+            var cloudFile = await fileService.ProcessNewFileAsync(
+                dummyAccount,
+                metadata.FileId,
+                memoryStream,
+                metadata.FileName,
+                metadata.ContentType
+            );
+            return cloudFile.ToProtoValue();
+        }
+
+        public override async Task<Shared.Proto.CloudFile> UploadFileToRemote(
+            IAsyncStreamReader<UploadFileToRemoteRequest> requestStream, ServerCallContext context)
+        {
+            UploadFileToRemoteRequest? metadataRequest = null;
+            var chunks = new List<byte[]>();
+
+            await foreach (var message in requestStream.ReadAllAsync())
+            {
+                if (message.DataCase == UploadFileToRemoteRequest.DataOneofCase.Metadata)
+                {
+                    metadataRequest = message;
+                }
+                else if (message.DataCase == UploadFileToRemoteRequest.DataOneofCase.Chunk)
+                {
+                    chunks.Add(message.Chunk.ToByteArray());
+                }
+            }
+
+            if (metadataRequest == null || metadataRequest.Metadata == null)
+            {
+                throw new RpcException(new Status(StatusCode.InvalidArgument, "Missing upload metadata"));
+            }
+
+            var metadata = metadataRequest.Metadata;
+            using var memoryStream = new MemoryStream();
+            foreach (var chunk in chunks)
+            {
+                await memoryStream.WriteAsync(chunk);
+            }
+
+            memoryStream.Position = 0;
+
+            var file = await fileService.GetFileAsync(metadata.FileId);
+            if (file == null)
+            {
+                throw new RpcException(new Status(StatusCode.NotFound, "File not found"));
+            }
+
+            var uploadedFile = await fileService.UploadFileToRemoteAsync(
+                file,
+                memoryStream,
+                metadata.TargetRemote,
+                metadata.Suffix
+            );
+            return uploadedFile.ToProtoValue();
+        }
+
+        public override async Task<Empty> DeleteFileData(DeleteFileDataRequest request, ServerCallContext context)
+        {
+            var file = await fileService.GetFileAsync(request.FileId);
+            if (file == null)
+            {
+                throw new RpcException(new Status(StatusCode.NotFound, "File not found"));
+            }
+
+            await fileService.DeleteFileDataAsync(file);
+            return new Empty();
+        }
+
+        public override async Task<LoadFromReferenceResponse> LoadFromReference(LoadFromReferenceRequest request,
+            ServerCallContext context)
+        {
+            // Assuming CloudFileReferenceObject is a simple class/struct that holds an ID
+            // You might need to define this or adjust the LoadFromReference method in FileService
+            var references = request.ReferenceIds.Select(id => new CloudFileReferenceObject { Id = id }).ToList();
+            var files = await fileService.LoadFromReference(references);
+            var response = new LoadFromReferenceResponse();
+            response.Files.AddRange(files.Where(f => f != null).Select(f => f!.ToProtoValue()));
+            return response;
+        }
+
+        public override async Task<IsReferencedResponse> IsReferenced(IsReferencedRequest request,
+            ServerCallContext context)
+        {
+            var isReferenced = await fileService.IsReferencedAsync(request.FileId);
+            return new IsReferencedResponse { IsReferenced = isReferenced };
+        }
+
+        public override async Task<Empty> PurgeCache(PurgeCacheRequest request, ServerCallContext context)
+        {
+            await fileService._PurgeCacheAsync(request.FileId);
+            return new Empty();
+        }
+    }
+}
\ No newline at end of file