diff --git a/native/cpp/CommonCpp/grpc/_generated/backup.grpc.pb.h b/native/cpp/CommonCpp/grpc/_generated/backup.grpc.pb.h
--- a/native/cpp/CommonCpp/grpc/_generated/backup.grpc.pb.h
+++ b/native/cpp/CommonCpp/grpc/_generated/backup.grpc.pb.h
@@ -75,14 +75,14 @@
     std::unique_ptr< ::grpc::ClientAsyncReaderWriterInterface< ::backup::RecoverBackupKeyRequest, ::backup::RecoverBackupKeyResponse>> PrepareAsyncRecoverBackupKey(::grpc::ClientContext* context, ::grpc::CompletionQueue* cq) {
       return std::unique_ptr< ::grpc::ClientAsyncReaderWriterInterface< ::backup::RecoverBackupKeyRequest, ::backup::RecoverBackupKeyResponse>>(PrepareAsyncRecoverBackupKeyRaw(context, cq));
     }
-    std::unique_ptr< ::grpc::ClientReaderWriterInterface< ::backup::PullBackupRequest, ::backup::PullBackupResponse>> PullBackup(::grpc::ClientContext* context) {
-      return std::unique_ptr< ::grpc::ClientReaderWriterInterface< ::backup::PullBackupRequest, ::backup::PullBackupResponse>>(PullBackupRaw(context));
+    std::unique_ptr< ::grpc::ClientReaderInterface< ::backup::PullBackupResponse>> PullBackup(::grpc::ClientContext* context, const ::backup::PullBackupRequest& request) {
+      return std::unique_ptr< ::grpc::ClientReaderInterface< ::backup::PullBackupResponse>>(PullBackupRaw(context, request));
     }
-    std::unique_ptr< ::grpc::ClientAsyncReaderWriterInterface< ::backup::PullBackupRequest, ::backup::PullBackupResponse>> AsyncPullBackup(::grpc::ClientContext* context, ::grpc::CompletionQueue* cq, void* tag) {
-      return std::unique_ptr< ::grpc::ClientAsyncReaderWriterInterface< ::backup::PullBackupRequest, ::backup::PullBackupResponse>>(AsyncPullBackupRaw(context, cq, tag));
+    std::unique_ptr< ::grpc::ClientAsyncReaderInterface< ::backup::PullBackupResponse>> AsyncPullBackup(::grpc::ClientContext* context, const ::backup::PullBackupRequest& request, ::grpc::CompletionQueue* cq, void* tag) {
+      return std::unique_ptr< ::grpc::ClientAsyncReaderInterface< ::backup::PullBackupResponse>>(AsyncPullBackupRaw(context, request, cq, tag));
     }
-    std::unique_ptr< ::grpc::ClientAsyncReaderWriterInterface< ::backup::PullBackupRequest, ::backup::PullBackupResponse>> PrepareAsyncPullBackup(::grpc::ClientContext* context, ::grpc::CompletionQueue* cq) {
-      return std::unique_ptr< ::grpc::ClientAsyncReaderWriterInterface< ::backup::PullBackupRequest, ::backup::PullBackupResponse>>(PrepareAsyncPullBackupRaw(context, cq));
+    std::unique_ptr< ::grpc::ClientAsyncReaderInterface< ::backup::PullBackupResponse>> PrepareAsyncPullBackup(::grpc::ClientContext* context, const ::backup::PullBackupRequest& request, ::grpc::CompletionQueue* cq) {
+      return std::unique_ptr< ::grpc::ClientAsyncReaderInterface< ::backup::PullBackupResponse>>(PrepareAsyncPullBackupRaw(context, request, cq));
     }
     class async_interface {
      public:
@@ -90,7 +90,7 @@
       virtual void CreateNewBackup(::grpc::ClientContext* context, ::grpc::ClientBidiReactor< ::backup::CreateNewBackupRequest,::backup::CreateNewBackupResponse>* reactor) = 0;
       virtual void SendLog(::grpc::ClientContext* context, ::google::protobuf::Empty* response, ::grpc::ClientWriteReactor< ::backup::SendLogRequest>* reactor) = 0;
       virtual void RecoverBackupKey(::grpc::ClientContext* context, ::grpc::ClientBidiReactor< ::backup::RecoverBackupKeyRequest,::backup::RecoverBackupKeyResponse>* reactor) = 0;
-      virtual void PullBackup(::grpc::ClientContext* context, ::grpc::ClientBidiReactor< ::backup::PullBackupRequest,::backup::PullBackupResponse>* reactor) = 0;
+      virtual void PullBackup(::grpc::ClientContext* context, const ::backup::PullBackupRequest* request, ::grpc::ClientReadReactor< ::backup::PullBackupResponse>* reactor) = 0;
     };
     typedef class async_interface experimental_async_interface;
     virtual class async_interface* async() { return nullptr; }
@@ -105,9 +105,9 @@
     virtual ::grpc::ClientReaderWriterInterface< ::backup::RecoverBackupKeyRequest, ::backup::RecoverBackupKeyResponse>* RecoverBackupKeyRaw(::grpc::ClientContext* context) = 0;
     virtual ::grpc::ClientAsyncReaderWriterInterface< ::backup::RecoverBackupKeyRequest, ::backup::RecoverBackupKeyResponse>* AsyncRecoverBackupKeyRaw(::grpc::ClientContext* context, ::grpc::CompletionQueue* cq, void* tag) = 0;
     virtual ::grpc::ClientAsyncReaderWriterInterface< ::backup::RecoverBackupKeyRequest, ::backup::RecoverBackupKeyResponse>* PrepareAsyncRecoverBackupKeyRaw(::grpc::ClientContext* context, ::grpc::CompletionQueue* cq) = 0;
-    virtual ::grpc::ClientReaderWriterInterface< ::backup::PullBackupRequest, ::backup::PullBackupResponse>* PullBackupRaw(::grpc::ClientContext* context) = 0;
-    virtual ::grpc::ClientAsyncReaderWriterInterface< ::backup::PullBackupRequest, ::backup::PullBackupResponse>* AsyncPullBackupRaw(::grpc::ClientContext* context, ::grpc::CompletionQueue* cq, void* tag) = 0;
-    virtual ::grpc::ClientAsyncReaderWriterInterface< ::backup::PullBackupRequest, ::backup::PullBackupResponse>* PrepareAsyncPullBackupRaw(::grpc::ClientContext* context, ::grpc::CompletionQueue* cq) = 0;
+    virtual ::grpc::ClientReaderInterface< ::backup::PullBackupResponse>* PullBackupRaw(::grpc::ClientContext* context, const ::backup::PullBackupRequest& request) = 0;
+    virtual ::grpc::ClientAsyncReaderInterface< ::backup::PullBackupResponse>* AsyncPullBackupRaw(::grpc::ClientContext* context, const ::backup::PullBackupRequest& request, ::grpc::CompletionQueue* cq, void* tag) = 0;
+    virtual ::grpc::ClientAsyncReaderInterface< ::backup::PullBackupResponse>* PrepareAsyncPullBackupRaw(::grpc::ClientContext* context, const ::backup::PullBackupRequest& request, ::grpc::CompletionQueue* cq) = 0;
   };
   class Stub final : public StubInterface {
    public:
@@ -139,14 +139,14 @@
     std::unique_ptr<  ::grpc::ClientAsyncReaderWriter< ::backup::RecoverBackupKeyRequest, ::backup::RecoverBackupKeyResponse>> PrepareAsyncRecoverBackupKey(::grpc::ClientContext* context, ::grpc::CompletionQueue* cq) {
       return std::unique_ptr< ::grpc::ClientAsyncReaderWriter< ::backup::RecoverBackupKeyRequest, ::backup::RecoverBackupKeyResponse>>(PrepareAsyncRecoverBackupKeyRaw(context, cq));
     }
-    std::unique_ptr< ::grpc::ClientReaderWriter< ::backup::PullBackupRequest, ::backup::PullBackupResponse>> PullBackup(::grpc::ClientContext* context) {
-      return std::unique_ptr< ::grpc::ClientReaderWriter< ::backup::PullBackupRequest, ::backup::PullBackupResponse>>(PullBackupRaw(context));
+    std::unique_ptr< ::grpc::ClientReader< ::backup::PullBackupResponse>> PullBackup(::grpc::ClientContext* context, const ::backup::PullBackupRequest& request) {
+      return std::unique_ptr< ::grpc::ClientReader< ::backup::PullBackupResponse>>(PullBackupRaw(context, request));
     }
-    std::unique_ptr<  ::grpc::ClientAsyncReaderWriter< ::backup::PullBackupRequest, ::backup::PullBackupResponse>> AsyncPullBackup(::grpc::ClientContext* context, ::grpc::CompletionQueue* cq, void* tag) {
-      return std::unique_ptr< ::grpc::ClientAsyncReaderWriter< ::backup::PullBackupRequest, ::backup::PullBackupResponse>>(AsyncPullBackupRaw(context, cq, tag));
+    std::unique_ptr< ::grpc::ClientAsyncReader< ::backup::PullBackupResponse>> AsyncPullBackup(::grpc::ClientContext* context, const ::backup::PullBackupRequest& request, ::grpc::CompletionQueue* cq, void* tag) {
+      return std::unique_ptr< ::grpc::ClientAsyncReader< ::backup::PullBackupResponse>>(AsyncPullBackupRaw(context, request, cq, tag));
     }
-    std::unique_ptr<  ::grpc::ClientAsyncReaderWriter< ::backup::PullBackupRequest, ::backup::PullBackupResponse>> PrepareAsyncPullBackup(::grpc::ClientContext* context, ::grpc::CompletionQueue* cq) {
-      return std::unique_ptr< ::grpc::ClientAsyncReaderWriter< ::backup::PullBackupRequest, ::backup::PullBackupResponse>>(PrepareAsyncPullBackupRaw(context, cq));
+    std::unique_ptr< ::grpc::ClientAsyncReader< ::backup::PullBackupResponse>> PrepareAsyncPullBackup(::grpc::ClientContext* context, const ::backup::PullBackupRequest& request, ::grpc::CompletionQueue* cq) {
+      return std::unique_ptr< ::grpc::ClientAsyncReader< ::backup::PullBackupResponse>>(PrepareAsyncPullBackupRaw(context, request, cq));
     }
     class async final :
       public StubInterface::async_interface {
@@ -154,7 +154,7 @@
       void CreateNewBackup(::grpc::ClientContext* context, ::grpc::ClientBidiReactor< ::backup::CreateNewBackupRequest,::backup::CreateNewBackupResponse>* reactor) override;
       void SendLog(::grpc::ClientContext* context, ::google::protobuf::Empty* response, ::grpc::ClientWriteReactor< ::backup::SendLogRequest>* reactor) override;
       void RecoverBackupKey(::grpc::ClientContext* context, ::grpc::ClientBidiReactor< ::backup::RecoverBackupKeyRequest,::backup::RecoverBackupKeyResponse>* reactor) override;
-      void PullBackup(::grpc::ClientContext* context, ::grpc::ClientBidiReactor< ::backup::PullBackupRequest,::backup::PullBackupResponse>* reactor) override;
+      void PullBackup(::grpc::ClientContext* context, const ::backup::PullBackupRequest* request, ::grpc::ClientReadReactor< ::backup::PullBackupResponse>* reactor) override;
      private:
       friend class Stub;
       explicit async(Stub* stub): stub_(stub) { }
@@ -175,9 +175,9 @@
     ::grpc::ClientReaderWriter< ::backup::RecoverBackupKeyRequest, ::backup::RecoverBackupKeyResponse>* RecoverBackupKeyRaw(::grpc::ClientContext* context) override;
     ::grpc::ClientAsyncReaderWriter< ::backup::RecoverBackupKeyRequest, ::backup::RecoverBackupKeyResponse>* AsyncRecoverBackupKeyRaw(::grpc::ClientContext* context, ::grpc::CompletionQueue* cq, void* tag) override;
     ::grpc::ClientAsyncReaderWriter< ::backup::RecoverBackupKeyRequest, ::backup::RecoverBackupKeyResponse>* PrepareAsyncRecoverBackupKeyRaw(::grpc::ClientContext* context, ::grpc::CompletionQueue* cq) override;
-    ::grpc::ClientReaderWriter< ::backup::PullBackupRequest, ::backup::PullBackupResponse>* PullBackupRaw(::grpc::ClientContext* context) override;
-    ::grpc::ClientAsyncReaderWriter< ::backup::PullBackupRequest, ::backup::PullBackupResponse>* AsyncPullBackupRaw(::grpc::ClientContext* context, ::grpc::CompletionQueue* cq, void* tag) override;
-    ::grpc::ClientAsyncReaderWriter< ::backup::PullBackupRequest, ::backup::PullBackupResponse>* PrepareAsyncPullBackupRaw(::grpc::ClientContext* context, ::grpc::CompletionQueue* cq) override;
+    ::grpc::ClientReader< ::backup::PullBackupResponse>* PullBackupRaw(::grpc::ClientContext* context, const ::backup::PullBackupRequest& request) override;
+    ::grpc::ClientAsyncReader< ::backup::PullBackupResponse>* AsyncPullBackupRaw(::grpc::ClientContext* context, const ::backup::PullBackupRequest& request, ::grpc::CompletionQueue* cq, void* tag) override;
+    ::grpc::ClientAsyncReader< ::backup::PullBackupResponse>* PrepareAsyncPullBackupRaw(::grpc::ClientContext* context, const ::backup::PullBackupRequest& request, ::grpc::CompletionQueue* cq) override;
     const ::grpc::internal::RpcMethod rpcmethod_CreateNewBackup_;
     const ::grpc::internal::RpcMethod rpcmethod_SendLog_;
     const ::grpc::internal::RpcMethod rpcmethod_RecoverBackupKey_;
@@ -192,7 +192,7 @@
     virtual ::grpc::Status CreateNewBackup(::grpc::ServerContext* context, ::grpc::ServerReaderWriter< ::backup::CreateNewBackupResponse, ::backup::CreateNewBackupRequest>* stream);
     virtual ::grpc::Status SendLog(::grpc::ServerContext* context, ::grpc::ServerReader< ::backup::SendLogRequest>* reader, ::google::protobuf::Empty* response);
     virtual ::grpc::Status RecoverBackupKey(::grpc::ServerContext* context, ::grpc::ServerReaderWriter< ::backup::RecoverBackupKeyResponse, ::backup::RecoverBackupKeyRequest>* stream);
-    virtual ::grpc::Status PullBackup(::grpc::ServerContext* context, ::grpc::ServerReaderWriter< ::backup::PullBackupResponse, ::backup::PullBackupRequest>* stream);
+    virtual ::grpc::Status PullBackup(::grpc::ServerContext* context, const ::backup::PullBackupRequest* request, ::grpc::ServerWriter< ::backup::PullBackupResponse>* writer);
   };
   template <class BaseClass>
   class WithAsyncMethod_CreateNewBackup : public BaseClass {
@@ -266,12 +266,12 @@
       BaseClassMustBeDerivedFromService(this);
     }
     // disable synchronous version of this method
-    ::grpc::Status PullBackup(::grpc::ServerContext* /*context*/, ::grpc::ServerReaderWriter< ::backup::PullBackupResponse, ::backup::PullBackupRequest>* /*stream*/)  override {
+    ::grpc::Status PullBackup(::grpc::ServerContext* /*context*/, const ::backup::PullBackupRequest* /*request*/, ::grpc::ServerWriter< ::backup::PullBackupResponse>* /*writer*/) override {
       abort();
       return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, "");
     }
-    void RequestPullBackup(::grpc::ServerContext* context, ::grpc::ServerAsyncReaderWriter< ::backup::PullBackupResponse, ::backup::PullBackupRequest>* stream, ::grpc::CompletionQueue* new_call_cq, ::grpc::ServerCompletionQueue* notification_cq, void *tag) {
-      ::grpc::Service::RequestAsyncBidiStreaming(3, context, stream, new_call_cq, notification_cq, tag);
+    void RequestPullBackup(::grpc::ServerContext* context, ::backup::PullBackupRequest* request, ::grpc::ServerAsyncWriter< ::backup::PullBackupResponse>* writer, ::grpc::CompletionQueue* new_call_cq, ::grpc::ServerCompletionQueue* notification_cq, void *tag) {
+      ::grpc::Service::RequestAsyncServerStreaming(3, context, request, writer, new_call_cq, notification_cq, tag);
     }
   };
   typedef WithAsyncMethod_CreateNewBackup<WithAsyncMethod_SendLog<WithAsyncMethod_RecoverBackupKey<WithAsyncMethod_PullBackup<Service > > > > AsyncService;
@@ -350,21 +350,20 @@
    public:
     WithCallbackMethod_PullBackup() {
       ::grpc::Service::MarkMethodCallback(3,
-          new ::grpc::internal::CallbackBidiHandler< ::backup::PullBackupRequest, ::backup::PullBackupResponse>(
+          new ::grpc::internal::CallbackServerStreamingHandler< ::backup::PullBackupRequest, ::backup::PullBackupResponse>(
             [this](
-                   ::grpc::CallbackServerContext* context) { return this->PullBackup(context); }));
+                   ::grpc::CallbackServerContext* context, const ::backup::PullBackupRequest* request) { return this->PullBackup(context, request); }));
     }
     ~WithCallbackMethod_PullBackup() override {
       BaseClassMustBeDerivedFromService(this);
     }
     // disable synchronous version of this method
-    ::grpc::Status PullBackup(::grpc::ServerContext* /*context*/, ::grpc::ServerReaderWriter< ::backup::PullBackupResponse, ::backup::PullBackupRequest>* /*stream*/)  override {
+    ::grpc::Status PullBackup(::grpc::ServerContext* /*context*/, const ::backup::PullBackupRequest* /*request*/, ::grpc::ServerWriter< ::backup::PullBackupResponse>* /*writer*/) override {
       abort();
       return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, "");
     }
-    virtual ::grpc::ServerBidiReactor< ::backup::PullBackupRequest, ::backup::PullBackupResponse>* PullBackup(
-      ::grpc::CallbackServerContext* /*context*/)
-      { return nullptr; }
+    virtual ::grpc::ServerWriteReactor< ::backup::PullBackupResponse>* PullBackup(
+      ::grpc::CallbackServerContext* /*context*/, const ::backup::PullBackupRequest* /*request*/)  { return nullptr; }
   };
   typedef WithCallbackMethod_CreateNewBackup<WithCallbackMethod_SendLog<WithCallbackMethod_RecoverBackupKey<WithCallbackMethod_PullBackup<Service > > > > CallbackService;
   typedef CallbackService ExperimentalCallbackService;
@@ -431,7 +430,7 @@
       BaseClassMustBeDerivedFromService(this);
     }
     // disable synchronous version of this method
-    ::grpc::Status PullBackup(::grpc::ServerContext* /*context*/, ::grpc::ServerReaderWriter< ::backup::PullBackupResponse, ::backup::PullBackupRequest>* /*stream*/)  override {
+    ::grpc::Status PullBackup(::grpc::ServerContext* /*context*/, const ::backup::PullBackupRequest* /*request*/, ::grpc::ServerWriter< ::backup::PullBackupResponse>* /*writer*/) override {
       abort();
       return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, "");
     }
@@ -508,12 +507,12 @@
       BaseClassMustBeDerivedFromService(this);
     }
     // disable synchronous version of this method
-    ::grpc::Status PullBackup(::grpc::ServerContext* /*context*/, ::grpc::ServerReaderWriter< ::backup::PullBackupResponse, ::backup::PullBackupRequest>* /*stream*/)  override {
+    ::grpc::Status PullBackup(::grpc::ServerContext* /*context*/, const ::backup::PullBackupRequest* /*request*/, ::grpc::ServerWriter< ::backup::PullBackupResponse>* /*writer*/) override {
       abort();
       return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, "");
     }
-    void RequestPullBackup(::grpc::ServerContext* context, ::grpc::ServerAsyncReaderWriter< ::grpc::ByteBuffer, ::grpc::ByteBuffer>* stream, ::grpc::CompletionQueue* new_call_cq, ::grpc::ServerCompletionQueue* notification_cq, void *tag) {
-      ::grpc::Service::RequestAsyncBidiStreaming(3, context, stream, new_call_cq, notification_cq, tag);
+    void RequestPullBackup(::grpc::ServerContext* context, ::grpc::ByteBuffer* request, ::grpc::ServerAsyncWriter< ::grpc::ByteBuffer>* writer, ::grpc::CompletionQueue* new_call_cq, ::grpc::ServerCompletionQueue* notification_cq, void *tag) {
+      ::grpc::Service::RequestAsyncServerStreaming(3, context, request, writer, new_call_cq, notification_cq, tag);
     }
   };
   template <class BaseClass>
@@ -591,25 +590,51 @@
    public:
     WithRawCallbackMethod_PullBackup() {
       ::grpc::Service::MarkMethodRawCallback(3,
-          new ::grpc::internal::CallbackBidiHandler< ::grpc::ByteBuffer, ::grpc::ByteBuffer>(
+          new ::grpc::internal::CallbackServerStreamingHandler< ::grpc::ByteBuffer, ::grpc::ByteBuffer>(
             [this](
-                   ::grpc::CallbackServerContext* context) { return this->PullBackup(context); }));
+                   ::grpc::CallbackServerContext* context, const::grpc::ByteBuffer* request) { return this->PullBackup(context, request); }));
     }
     ~WithRawCallbackMethod_PullBackup() override {
       BaseClassMustBeDerivedFromService(this);
     }
     // disable synchronous version of this method
-    ::grpc::Status PullBackup(::grpc::ServerContext* /*context*/, ::grpc::ServerReaderWriter< ::backup::PullBackupResponse, ::backup::PullBackupRequest>* /*stream*/)  override {
+    ::grpc::Status PullBackup(::grpc::ServerContext* /*context*/, const ::backup::PullBackupRequest* /*request*/, ::grpc::ServerWriter< ::backup::PullBackupResponse>* /*writer*/) override {
       abort();
       return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, "");
     }
-    virtual ::grpc::ServerBidiReactor< ::grpc::ByteBuffer, ::grpc::ByteBuffer>* PullBackup(
-      ::grpc::CallbackServerContext* /*context*/)
-      { return nullptr; }
+    virtual ::grpc::ServerWriteReactor< ::grpc::ByteBuffer>* PullBackup(
+      ::grpc::CallbackServerContext* /*context*/, const ::grpc::ByteBuffer* /*request*/)  { return nullptr; }
   };
   typedef Service StreamedUnaryService;
-  typedef Service SplitStreamedService;
-  typedef Service StreamedService;
+  template <class BaseClass>
+  class WithSplitStreamingMethod_PullBackup : public BaseClass {
+   private:
+    void BaseClassMustBeDerivedFromService(const Service* /*service*/) {}
+   public:
+    WithSplitStreamingMethod_PullBackup() {
+      ::grpc::Service::MarkMethodStreamed(3,
+        new ::grpc::internal::SplitServerStreamingHandler<
+          ::backup::PullBackupRequest, ::backup::PullBackupResponse>(
+            [this](::grpc::ServerContext* context,
+                   ::grpc::ServerSplitStreamer<
+                     ::backup::PullBackupRequest, ::backup::PullBackupResponse>* streamer) {
+                       return this->StreamedPullBackup(context,
+                         streamer);
+                  }));
+    }
+    ~WithSplitStreamingMethod_PullBackup() override {
+      BaseClassMustBeDerivedFromService(this);
+    }
+    // disable regular version of this method
+    ::grpc::Status PullBackup(::grpc::ServerContext* /*context*/, const ::backup::PullBackupRequest* /*request*/, ::grpc::ServerWriter< ::backup::PullBackupResponse>* /*writer*/) override {
+      abort();
+      return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, "");
+    }
+    // replace default version of method with split streamed
+    virtual ::grpc::Status StreamedPullBackup(::grpc::ServerContext* context, ::grpc::ServerSplitStreamer< ::backup::PullBackupRequest,::backup::PullBackupResponse>* server_split_streamer) = 0;
+  };
+  typedef WithSplitStreamingMethod_PullBackup<Service > SplitStreamedService;
+  typedef WithSplitStreamingMethod_PullBackup<Service > StreamedService;
 };
 
 }  // namespace backup
diff --git a/native/cpp/CommonCpp/grpc/_generated/backup.grpc.pb.cc b/native/cpp/CommonCpp/grpc/_generated/backup.grpc.pb.cc
--- a/native/cpp/CommonCpp/grpc/_generated/backup.grpc.pb.cc
+++ b/native/cpp/CommonCpp/grpc/_generated/backup.grpc.pb.cc
@@ -38,7 +38,7 @@
   : channel_(channel), rpcmethod_CreateNewBackup_(BackupService_method_names[0], options.suffix_for_stats(),::grpc::internal::RpcMethod::BIDI_STREAMING, channel)
   , rpcmethod_SendLog_(BackupService_method_names[1], options.suffix_for_stats(),::grpc::internal::RpcMethod::CLIENT_STREAMING, channel)
   , rpcmethod_RecoverBackupKey_(BackupService_method_names[2], options.suffix_for_stats(),::grpc::internal::RpcMethod::BIDI_STREAMING, channel)
-  , rpcmethod_PullBackup_(BackupService_method_names[3], options.suffix_for_stats(),::grpc::internal::RpcMethod::BIDI_STREAMING, channel)
+  , rpcmethod_PullBackup_(BackupService_method_names[3], options.suffix_for_stats(),::grpc::internal::RpcMethod::SERVER_STREAMING, channel)
   {}
 
 ::grpc::ClientReaderWriter< ::backup::CreateNewBackupRequest, ::backup::CreateNewBackupResponse>* BackupService::Stub::CreateNewBackupRaw(::grpc::ClientContext* context) {
@@ -89,20 +89,20 @@
   return ::grpc::internal::ClientAsyncReaderWriterFactory< ::backup::RecoverBackupKeyRequest, ::backup::RecoverBackupKeyResponse>::Create(channel_.get(), cq, rpcmethod_RecoverBackupKey_, context, false, nullptr);
 }
 
-::grpc::ClientReaderWriter< ::backup::PullBackupRequest, ::backup::PullBackupResponse>* BackupService::Stub::PullBackupRaw(::grpc::ClientContext* context) {
-  return ::grpc::internal::ClientReaderWriterFactory< ::backup::PullBackupRequest, ::backup::PullBackupResponse>::Create(channel_.get(), rpcmethod_PullBackup_, context);
+::grpc::ClientReader< ::backup::PullBackupResponse>* BackupService::Stub::PullBackupRaw(::grpc::ClientContext* context, const ::backup::PullBackupRequest& request) {
+  return ::grpc::internal::ClientReaderFactory< ::backup::PullBackupResponse>::Create(channel_.get(), rpcmethod_PullBackup_, context, request);
 }
 
-void BackupService::Stub::async::PullBackup(::grpc::ClientContext* context, ::grpc::ClientBidiReactor< ::backup::PullBackupRequest,::backup::PullBackupResponse>* reactor) {
-  ::grpc::internal::ClientCallbackReaderWriterFactory< ::backup::PullBackupRequest,::backup::PullBackupResponse>::Create(stub_->channel_.get(), stub_->rpcmethod_PullBackup_, context, reactor);
+void BackupService::Stub::async::PullBackup(::grpc::ClientContext* context, const ::backup::PullBackupRequest* request, ::grpc::ClientReadReactor< ::backup::PullBackupResponse>* reactor) {
+  ::grpc::internal::ClientCallbackReaderFactory< ::backup::PullBackupResponse>::Create(stub_->channel_.get(), stub_->rpcmethod_PullBackup_, context, request, reactor);
 }
 
-::grpc::ClientAsyncReaderWriter< ::backup::PullBackupRequest, ::backup::PullBackupResponse>* BackupService::Stub::AsyncPullBackupRaw(::grpc::ClientContext* context, ::grpc::CompletionQueue* cq, void* tag) {
-  return ::grpc::internal::ClientAsyncReaderWriterFactory< ::backup::PullBackupRequest, ::backup::PullBackupResponse>::Create(channel_.get(), cq, rpcmethod_PullBackup_, context, true, tag);
+::grpc::ClientAsyncReader< ::backup::PullBackupResponse>* BackupService::Stub::AsyncPullBackupRaw(::grpc::ClientContext* context, const ::backup::PullBackupRequest& request, ::grpc::CompletionQueue* cq, void* tag) {
+  return ::grpc::internal::ClientAsyncReaderFactory< ::backup::PullBackupResponse>::Create(channel_.get(), cq, rpcmethod_PullBackup_, context, request, true, tag);
 }
 
-::grpc::ClientAsyncReaderWriter< ::backup::PullBackupRequest, ::backup::PullBackupResponse>* BackupService::Stub::PrepareAsyncPullBackupRaw(::grpc::ClientContext* context, ::grpc::CompletionQueue* cq) {
-  return ::grpc::internal::ClientAsyncReaderWriterFactory< ::backup::PullBackupRequest, ::backup::PullBackupResponse>::Create(channel_.get(), cq, rpcmethod_PullBackup_, context, false, nullptr);
+::grpc::ClientAsyncReader< ::backup::PullBackupResponse>* BackupService::Stub::PrepareAsyncPullBackupRaw(::grpc::ClientContext* context, const ::backup::PullBackupRequest& request, ::grpc::CompletionQueue* cq) {
+  return ::grpc::internal::ClientAsyncReaderFactory< ::backup::PullBackupResponse>::Create(channel_.get(), cq, rpcmethod_PullBackup_, context, request, false, nullptr);
 }
 
 BackupService::Service::Service() {
@@ -138,13 +138,13 @@
              }, this)));
   AddMethod(new ::grpc::internal::RpcServiceMethod(
       BackupService_method_names[3],
-      ::grpc::internal::RpcMethod::BIDI_STREAMING,
-      new ::grpc::internal::BidiStreamingHandler< BackupService::Service, ::backup::PullBackupRequest, ::backup::PullBackupResponse>(
+      ::grpc::internal::RpcMethod::SERVER_STREAMING,
+      new ::grpc::internal::ServerStreamingHandler< BackupService::Service, ::backup::PullBackupRequest, ::backup::PullBackupResponse>(
           [](BackupService::Service* service,
              ::grpc::ServerContext* ctx,
-             ::grpc::ServerReaderWriter<::backup::PullBackupResponse,
-             ::backup::PullBackupRequest>* stream) {
-               return service->PullBackup(ctx, stream);
+             const ::backup::PullBackupRequest* req,
+             ::grpc::ServerWriter<::backup::PullBackupResponse>* writer) {
+               return service->PullBackup(ctx, req, writer);
              }, this)));
 }
 
@@ -170,9 +170,10 @@
   return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, "");
 }
 
-::grpc::Status BackupService::Service::PullBackup(::grpc::ServerContext* context, ::grpc::ServerReaderWriter< ::backup::PullBackupResponse, ::backup::PullBackupRequest>* stream) {
+::grpc::Status BackupService::Service::PullBackup(::grpc::ServerContext* context, const ::backup::PullBackupRequest* request, ::grpc::ServerWriter< ::backup::PullBackupResponse>* writer) {
   (void) context;
-  (void) stream;
+  (void) request;
+  (void) writer;
   return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, "");
 }
 
diff --git a/native/cpp/CommonCpp/grpc/_generated/backup.pb.h b/native/cpp/CommonCpp/grpc/_generated/backup.pb.h
--- a/native/cpp/CommonCpp/grpc/_generated/backup.pb.h
+++ b/native/cpp/CommonCpp/grpc/_generated/backup.pb.h
@@ -891,11 +891,6 @@
   static const RecoverBackupKeyResponse& default_instance() {
     return *internal_default_instance();
   }
-  enum DataCase {
-    kBackupID = 4,
-    DATA_NOT_SET = 0,
-  };
-
   static inline const RecoverBackupKeyResponse* internal_default_instance() {
     return reinterpret_cast<const RecoverBackupKeyResponse*>(
                &_RecoverBackupKeyResponse_default_instance_);
@@ -974,10 +969,6 @@
     kBackupIDFieldNumber = 4,
   };
   // string backupID = 4;
-  bool has_backupid() const;
-  private:
-  bool _internal_has_backupid() const;
-  public:
   void clear_backupid();
   const std::string& backupid() const;
   void set_backupid(const std::string& value);
@@ -993,27 +984,15 @@
   std::string* _internal_mutable_backupid();
   public:
 
-  void clear_data();
-  DataCase data_case() const;
   // @@protoc_insertion_point(class_scope:backup.RecoverBackupKeyResponse)
  private:
   class _Internal;
-  void set_has_backupid();
-
-  inline bool has_data() const;
-  inline void clear_has_data();
 
   template <typename T> friend class ::PROTOBUF_NAMESPACE_ID::Arena::InternalHelper;
   typedef void InternalArenaConstructable_;
   typedef void DestructorSkippable_;
-  union DataUnion {
-    constexpr DataUnion() : _constinit_{} {}
-      ::PROTOBUF_NAMESPACE_ID::internal::ConstantInitialized _constinit_;
-    ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr backupid_;
-  } data_;
+  ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr backupid_;
   mutable ::PROTOBUF_NAMESPACE_ID::internal::CachedSize _cached_size_;
-  ::PROTOBUF_NAMESPACE_ID::uint32 _oneof_case_[1];
-
   friend struct ::TableStruct_backup_2eproto;
 };
 // -------------------------------------------------------------------
@@ -1132,6 +1111,7 @@
 
   enum : int {
     kUserIDFieldNumber = 1,
+    kBackupIDFieldNumber = 2,
   };
   // string userID = 1;
   void clear_userid();
@@ -1149,6 +1129,22 @@
   std::string* _internal_mutable_userid();
   public:
 
+  // string backupID = 2;
+  void clear_backupid();
+  const std::string& backupid() const;
+  void set_backupid(const std::string& value);
+  void set_backupid(std::string&& value);
+  void set_backupid(const char* value);
+  void set_backupid(const char* value, size_t size);
+  std::string* mutable_backupid();
+  std::string* release_backupid();
+  void set_allocated_backupid(std::string* backupid);
+  private:
+  const std::string& _internal_backupid() const;
+  void _internal_set_backupid(const std::string& value);
+  std::string* _internal_mutable_backupid();
+  public:
+
   // @@protoc_insertion_point(class_scope:backup.PullBackupRequest)
  private:
   class _Internal;
@@ -1157,6 +1153,7 @@
   typedef void InternalArenaConstructable_;
   typedef void DestructorSkippable_;
   ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr userid_;
+  ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr backupid_;
   mutable ::PROTOBUF_NAMESPACE_ID::internal::CachedSize _cached_size_;
   friend struct ::TableStruct_backup_2eproto;
 };
@@ -2397,20 +2394,8 @@
 // RecoverBackupKeyResponse
 
 // string backupID = 4;
-inline bool RecoverBackupKeyResponse::_internal_has_backupid() const {
-  return data_case() == kBackupID;
-}
-inline bool RecoverBackupKeyResponse::has_backupid() const {
-  return _internal_has_backupid();
-}
-inline void RecoverBackupKeyResponse::set_has_backupid() {
-  _oneof_case_[0] = kBackupID;
-}
 inline void RecoverBackupKeyResponse::clear_backupid() {
-  if (_internal_has_backupid()) {
-    data_.backupid_.Destroy(::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::EmptyDefault{}, GetArena());
-    clear_has_data();
-  }
+  backupid_.ClearToEmpty();
 }
 inline const std::string& RecoverBackupKeyResponse::backupid() const {
   // @@protoc_insertion_point(field_get:backup.RecoverBackupKeyResponse.backupID)
@@ -2425,96 +2410,50 @@
   return _internal_mutable_backupid();
 }
 inline const std::string& RecoverBackupKeyResponse::_internal_backupid() const {
-  if (_internal_has_backupid()) {
-    return data_.backupid_.Get();
-  }
-  return ::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited();
+  return backupid_.Get();
 }
 inline void RecoverBackupKeyResponse::_internal_set_backupid(const std::string& value) {
-  if (!_internal_has_backupid()) {
-    clear_data();
-    set_has_backupid();
-    data_.backupid_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-  }
-  data_.backupid_.Set(::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::EmptyDefault{}, value, GetArena());
+  
+  backupid_.Set(::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::EmptyDefault{}, value, GetArena());
 }
 inline void RecoverBackupKeyResponse::set_backupid(std::string&& value) {
-  // @@protoc_insertion_point(field_set:backup.RecoverBackupKeyResponse.backupID)
-  if (!_internal_has_backupid()) {
-    clear_data();
-    set_has_backupid();
-    data_.backupid_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-  }
-  data_.backupid_.Set(
+  
+  backupid_.Set(
     ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::EmptyDefault{}, ::std::move(value), GetArena());
   // @@protoc_insertion_point(field_set_rvalue:backup.RecoverBackupKeyResponse.backupID)
 }
 inline void RecoverBackupKeyResponse::set_backupid(const char* value) {
   GOOGLE_DCHECK(value != nullptr);
-  if (!_internal_has_backupid()) {
-    clear_data();
-    set_has_backupid();
-    data_.backupid_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-  }
-  data_.backupid_.Set(::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::EmptyDefault{},
-      ::std::string(value), GetArena());
+  
+  backupid_.Set(::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::EmptyDefault{}, ::std::string(value), GetArena());
   // @@protoc_insertion_point(field_set_char:backup.RecoverBackupKeyResponse.backupID)
 }
 inline void RecoverBackupKeyResponse::set_backupid(const char* value,
-                             size_t size) {
-  if (!_internal_has_backupid()) {
-    clear_data();
-    set_has_backupid();
-    data_.backupid_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-  }
-  data_.backupid_.Set(
-      ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::EmptyDefault{}, ::std::string(
-      reinterpret_cast<const char*>(value), size),
-      GetArena());
+    size_t size) {
+  
+  backupid_.Set(::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::EmptyDefault{}, ::std::string(
+      reinterpret_cast<const char*>(value), size), GetArena());
   // @@protoc_insertion_point(field_set_pointer:backup.RecoverBackupKeyResponse.backupID)
 }
 inline std::string* RecoverBackupKeyResponse::_internal_mutable_backupid() {
-  if (!_internal_has_backupid()) {
-    clear_data();
-    set_has_backupid();
-    data_.backupid_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-  }
-  return data_.backupid_.Mutable(
-      ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::EmptyDefault{}, GetArena());
+  
+  return backupid_.Mutable(::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::EmptyDefault{}, GetArena());
 }
 inline std::string* RecoverBackupKeyResponse::release_backupid() {
   // @@protoc_insertion_point(field_release:backup.RecoverBackupKeyResponse.backupID)
-  if (_internal_has_backupid()) {
-    clear_has_data();
-    return data_.backupid_.ReleaseNonDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), GetArena());
-  } else {
-    return nullptr;
-  }
+  return backupid_.Release(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), GetArena());
 }
 inline void RecoverBackupKeyResponse::set_allocated_backupid(std::string* backupid) {
-  if (has_data()) {
-    clear_data();
-  }
   if (backupid != nullptr) {
-    set_has_backupid();
-    data_.backupid_.UnsafeSetDefault(backupid);
-    ::PROTOBUF_NAMESPACE_ID::Arena* arena = GetArena();
-    if (arena != nullptr) {
-      arena->Own(backupid);
-    }
+    
+  } else {
+    
   }
+  backupid_.SetAllocated(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), backupid,
+      GetArena());
   // @@protoc_insertion_point(field_set_allocated:backup.RecoverBackupKeyResponse.backupID)
 }
 
-inline bool RecoverBackupKeyResponse::has_data() const {
-  return data_case() != DATA_NOT_SET;
-}
-inline void RecoverBackupKeyResponse::clear_has_data() {
-  _oneof_case_[0] = DATA_NOT_SET;
-}
-inline RecoverBackupKeyResponse::DataCase RecoverBackupKeyResponse::data_case() const {
-  return RecoverBackupKeyResponse::DataCase(_oneof_case_[0]);
-}
 // -------------------------------------------------------------------
 
 // PullBackupRequest
@@ -2580,6 +2519,67 @@
   // @@protoc_insertion_point(field_set_allocated:backup.PullBackupRequest.userID)
 }
 
+// string backupID = 2;
+inline void PullBackupRequest::clear_backupid() {
+  backupid_.ClearToEmpty();
+}
+inline const std::string& PullBackupRequest::backupid() const {
+  // @@protoc_insertion_point(field_get:backup.PullBackupRequest.backupID)
+  return _internal_backupid();
+}
+inline void PullBackupRequest::set_backupid(const std::string& value) {
+  _internal_set_backupid(value);
+  // @@protoc_insertion_point(field_set:backup.PullBackupRequest.backupID)
+}
+inline std::string* PullBackupRequest::mutable_backupid() {
+  // @@protoc_insertion_point(field_mutable:backup.PullBackupRequest.backupID)
+  return _internal_mutable_backupid();
+}
+inline const std::string& PullBackupRequest::_internal_backupid() const {
+  return backupid_.Get();
+}
+inline void PullBackupRequest::_internal_set_backupid(const std::string& value) {
+  
+  backupid_.Set(::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::EmptyDefault{}, value, GetArena());
+}
+inline void PullBackupRequest::set_backupid(std::string&& value) {
+  
+  backupid_.Set(
+    ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::EmptyDefault{}, ::std::move(value), GetArena());
+  // @@protoc_insertion_point(field_set_rvalue:backup.PullBackupRequest.backupID)
+}
+inline void PullBackupRequest::set_backupid(const char* value) {
+  GOOGLE_DCHECK(value != nullptr);
+  
+  backupid_.Set(::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::EmptyDefault{}, ::std::string(value), GetArena());
+  // @@protoc_insertion_point(field_set_char:backup.PullBackupRequest.backupID)
+}
+inline void PullBackupRequest::set_backupid(const char* value,
+    size_t size) {
+  
+  backupid_.Set(::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::EmptyDefault{}, ::std::string(
+      reinterpret_cast<const char*>(value), size), GetArena());
+  // @@protoc_insertion_point(field_set_pointer:backup.PullBackupRequest.backupID)
+}
+inline std::string* PullBackupRequest::_internal_mutable_backupid() {
+  
+  return backupid_.Mutable(::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::EmptyDefault{}, GetArena());
+}
+inline std::string* PullBackupRequest::release_backupid() {
+  // @@protoc_insertion_point(field_release:backup.PullBackupRequest.backupID)
+  return backupid_.Release(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), GetArena());
+}
+inline void PullBackupRequest::set_allocated_backupid(std::string* backupid) {
+  if (backupid != nullptr) {
+    
+  } else {
+    
+  }
+  backupid_.SetAllocated(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), backupid,
+      GetArena());
+  // @@protoc_insertion_point(field_set_allocated:backup.PullBackupRequest.backupID)
+}
+
 // -------------------------------------------------------------------
 
 // PullBackupResponse
diff --git a/native/cpp/CommonCpp/grpc/_generated/backup.pb.cc b/native/cpp/CommonCpp/grpc/_generated/backup.pb.cc
--- a/native/cpp/CommonCpp/grpc/_generated/backup.pb.cc
+++ b/native/cpp/CommonCpp/grpc/_generated/backup.pb.cc
@@ -67,7 +67,7 @@
 PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT RecoverBackupKeyRequestDefaultTypeInternal _RecoverBackupKeyRequest_default_instance_;
 constexpr RecoverBackupKeyResponse::RecoverBackupKeyResponse(
   ::PROTOBUF_NAMESPACE_ID::internal::ConstantInitialized)
-  : _oneof_case_{}{}
+  : backupid_(&::PROTOBUF_NAMESPACE_ID::internal::fixed_address_empty_string){}
 struct RecoverBackupKeyResponseDefaultTypeInternal {
   constexpr RecoverBackupKeyResponseDefaultTypeInternal()
     : _instance(::PROTOBUF_NAMESPACE_ID::internal::ConstantInitialized{}) {}
@@ -79,7 +79,8 @@
 PROTOBUF_ATTRIBUTE_NO_DESTROY PROTOBUF_CONSTINIT RecoverBackupKeyResponseDefaultTypeInternal _RecoverBackupKeyResponse_default_instance_;
 constexpr PullBackupRequest::PullBackupRequest(
   ::PROTOBUF_NAMESPACE_ID::internal::ConstantInitialized)
-  : userid_(&::PROTOBUF_NAMESPACE_ID::internal::fixed_address_empty_string){}
+  : userid_(&::PROTOBUF_NAMESPACE_ID::internal::fixed_address_empty_string)
+  , backupid_(&::PROTOBUF_NAMESPACE_ID::internal::fixed_address_empty_string){}
 struct PullBackupRequestDefaultTypeInternal {
   constexpr PullBackupRequestDefaultTypeInternal()
     : _instance(::PROTOBUF_NAMESPACE_ID::internal::ConstantInitialized{}) {}
@@ -142,16 +143,16 @@
   ~0u,  // no _has_bits_
   PROTOBUF_FIELD_OFFSET(::backup::RecoverBackupKeyResponse, _internal_metadata_),
   ~0u,  // no _extensions_
-  PROTOBUF_FIELD_OFFSET(::backup::RecoverBackupKeyResponse, _oneof_case_[0]),
+  ~0u,  // no _oneof_case_
   ~0u,  // no _weak_field_map_
-  ::PROTOBUF_NAMESPACE_ID::internal::kInvalidFieldOffsetTag,
-  PROTOBUF_FIELD_OFFSET(::backup::RecoverBackupKeyResponse, data_),
+  PROTOBUF_FIELD_OFFSET(::backup::RecoverBackupKeyResponse, backupid_),
   ~0u,  // no _has_bits_
   PROTOBUF_FIELD_OFFSET(::backup::PullBackupRequest, _internal_metadata_),
   ~0u,  // no _extensions_
   ~0u,  // no _oneof_case_
   ~0u,  // no _weak_field_map_
   PROTOBUF_FIELD_OFFSET(::backup::PullBackupRequest, userid_),
+  PROTOBUF_FIELD_OFFSET(::backup::PullBackupRequest, backupid_),
   ~0u,  // no _has_bits_
   PROTOBUF_FIELD_OFFSET(::backup::PullBackupResponse, _internal_metadata_),
   ~0u,  // no _extensions_
@@ -167,7 +168,7 @@
   { 16, -1, sizeof(::backup::SendLogRequest)},
   { 26, -1, sizeof(::backup::RecoverBackupKeyRequest)},
   { 32, -1, sizeof(::backup::RecoverBackupKeyResponse)},
-  { 39, -1, sizeof(::backup::PullBackupRequest)},
+  { 38, -1, sizeof(::backup::PullBackupRequest)},
   { 45, -1, sizeof(::backup::PullBackupResponse)},
 };
 
@@ -191,27 +192,27 @@
   "gRequest\022\020\n\006userID\030\001 \001(\tH\000\022\022\n\010backupID\030\002"
   " \001(\tH\000\022\021\n\007logHash\030\003 \001(\014H\000\022\021\n\007logData\030\004 \001"
   "(\014H\000B\006\n\004data\")\n\027RecoverBackupKeyRequest\022"
-  "\016\n\006userID\030\001 \001(\t\"6\n\030RecoverBackupKeyRespo"
-  "nse\022\022\n\010backupID\030\004 \001(\tH\000B\006\n\004data\"#\n\021PullB"
-  "ackupRequest\022\016\n\006userID\030\001 \001(\t\"K\n\022PullBack"
-  "upResponse\022\031\n\017compactionChunk\030\001 \001(\014H\000\022\022\n"
-  "\010logChunk\030\002 \001(\014H\000B\006\n\004data2\320\002\n\rBackupServ"
-  "ice\022X\n\017CreateNewBackup\022\036.backup.CreateNe"
-  "wBackupRequest\032\037.backup.CreateNewBackupR"
-  "esponse\"\000(\0010\001\022=\n\007SendLog\022\026.backup.SendLo"
-  "gRequest\032\026.google.protobuf.Empty\"\000(\001\022[\n\020"
-  "RecoverBackupKey\022\037.backup.RecoverBackupK"
-  "eyRequest\032 .backup.RecoverBackupKeyRespo"
-  "nse\"\000(\0010\001\022I\n\nPullBackup\022\031.backup.PullBac"
-  "kupRequest\032\032.backup.PullBackupResponse\"\000"
-  "(\0010\001b\006proto3"
+  "\016\n\006userID\030\001 \001(\t\",\n\030RecoverBackupKeyRespo"
+  "nse\022\020\n\010backupID\030\004 \001(\t\"5\n\021PullBackupReque"
+  "st\022\016\n\006userID\030\001 \001(\t\022\020\n\010backupID\030\002 \001(\t\"K\n\022"
+  "PullBackupResponse\022\031\n\017compactionChunk\030\001 "
+  "\001(\014H\000\022\022\n\010logChunk\030\002 \001(\014H\000B\006\n\004data2\316\002\n\rBa"
+  "ckupService\022X\n\017CreateNewBackup\022\036.backup."
+  "CreateNewBackupRequest\032\037.backup.CreateNe"
+  "wBackupResponse\"\000(\0010\001\022=\n\007SendLog\022\026.backu"
+  "p.SendLogRequest\032\026.google.protobuf.Empty"
+  "\"\000(\001\022[\n\020RecoverBackupKey\022\037.backup.Recove"
+  "rBackupKeyRequest\032 .backup.RecoverBackup"
+  "KeyResponse\"\000(\0010\001\022G\n\nPullBackup\022\031.backup"
+  ".PullBackupRequest\032\032.backup.PullBackupRe"
+  "sponse\"\0000\001b\006proto3"
   ;
 static const ::PROTOBUF_NAMESPACE_ID::internal::DescriptorTable*const descriptor_table_backup_2eproto_deps[1] = {
   &::descriptor_table_google_2fprotobuf_2fempty_2eproto,
 };
 static ::PROTOBUF_NAMESPACE_ID::internal::once_flag descriptor_table_backup_2eproto_once;
 const ::PROTOBUF_NAMESPACE_ID::internal::DescriptorTable descriptor_table_backup_2eproto = {
-  false, false, 892, descriptor_table_protodef_backup_2eproto, "backup.proto", 
+  false, false, 898, descriptor_table_protodef_backup_2eproto, "backup.proto", 
   &descriptor_table_backup_2eproto_once, descriptor_table_backup_2eproto_deps, 1, 7,
   schemas, file_default_instances, TableStruct_backup_2eproto::offsets,
   file_level_metadata_backup_2eproto, file_level_enum_descriptors_backup_2eproto, file_level_service_descriptors_backup_2eproto,
@@ -1312,21 +1313,16 @@
 RecoverBackupKeyResponse::RecoverBackupKeyResponse(const RecoverBackupKeyResponse& from)
   : ::PROTOBUF_NAMESPACE_ID::Message() {
   _internal_metadata_.MergeFrom<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(from._internal_metadata_);
-  clear_has_data();
-  switch (from.data_case()) {
-    case kBackupID: {
-      _internal_set_backupid(from._internal_backupid());
-      break;
-    }
-    case DATA_NOT_SET: {
-      break;
-    }
+  backupid_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
+  if (!from._internal_backupid().empty()) {
+    backupid_.Set(::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::EmptyDefault{}, from._internal_backupid(), 
+      GetArena());
   }
   // @@protoc_insertion_point(copy_constructor:backup.RecoverBackupKeyResponse)
 }
 
 void RecoverBackupKeyResponse::SharedCtor() {
-clear_has_data();
+backupid_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
 }
 
 RecoverBackupKeyResponse::~RecoverBackupKeyResponse() {
@@ -1337,9 +1333,7 @@
 
 void RecoverBackupKeyResponse::SharedDtor() {
   GOOGLE_DCHECK(GetArena() == nullptr);
-  if (has_data()) {
-    clear_data();
-  }
+  backupid_.DestroyNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
 }
 
 void RecoverBackupKeyResponse::ArenaDtor(void* object) {
@@ -1352,28 +1346,13 @@
   _cached_size_.Set(size);
 }
 
-void RecoverBackupKeyResponse::clear_data() {
-// @@protoc_insertion_point(one_of_clear_start:backup.RecoverBackupKeyResponse)
-  switch (data_case()) {
-    case kBackupID: {
-      data_.backupid_.Destroy(::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::EmptyDefault{}, GetArena());
-      break;
-    }
-    case DATA_NOT_SET: {
-      break;
-    }
-  }
-  _oneof_case_[0] = DATA_NOT_SET;
-}
-
-
 void RecoverBackupKeyResponse::Clear() {
 // @@protoc_insertion_point(message_clear_start:backup.RecoverBackupKeyResponse)
   ::PROTOBUF_NAMESPACE_ID::uint32 cached_has_bits = 0;
   // Prevent compiler warnings about cached_has_bits being unused
   (void) cached_has_bits;
 
-  clear_data();
+  backupid_.ClearToEmpty();
   _internal_metadata_.Clear<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>();
 }
 
@@ -1422,7 +1401,7 @@
   (void) cached_has_bits;
 
   // string backupID = 4;
-  if (_internal_has_backupid()) {
+  if (this->backupid().size() > 0) {
     ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::VerifyUtf8String(
       this->_internal_backupid().data(), static_cast<int>(this->_internal_backupid().length()),
       ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::SERIALIZE,
@@ -1447,18 +1426,13 @@
   // Prevent compiler warnings about cached_has_bits being unused
   (void) cached_has_bits;
 
-  switch (data_case()) {
-    // string backupID = 4;
-    case kBackupID: {
-      total_size += 1 +
-        ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::StringSize(
-          this->_internal_backupid());
-      break;
-    }
-    case DATA_NOT_SET: {
-      break;
-    }
+  // string backupID = 4;
+  if (this->backupid().size() > 0) {
+    total_size += 1 +
+      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::StringSize(
+        this->_internal_backupid());
   }
+
   if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
     return ::PROTOBUF_NAMESPACE_ID::internal::ComputeUnknownFieldsSize(
         _internal_metadata_, total_size, &_cached_size_);
@@ -1490,14 +1464,8 @@
   ::PROTOBUF_NAMESPACE_ID::uint32 cached_has_bits = 0;
   (void) cached_has_bits;
 
-  switch (from.data_case()) {
-    case kBackupID: {
-      _internal_set_backupid(from._internal_backupid());
-      break;
-    }
-    case DATA_NOT_SET: {
-      break;
-    }
+  if (from.backupid().size() > 0) {
+    _internal_set_backupid(from._internal_backupid());
   }
 }
 
@@ -1522,8 +1490,7 @@
 void RecoverBackupKeyResponse::InternalSwap(RecoverBackupKeyResponse* other) {
   using std::swap;
   _internal_metadata_.Swap<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(&other->_internal_metadata_);
-  swap(data_, other->data_);
-  swap(_oneof_case_[0], other->_oneof_case_[0]);
+  backupid_.Swap(&other->backupid_, &::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), GetArena());
 }
 
 ::PROTOBUF_NAMESPACE_ID::Metadata RecoverBackupKeyResponse::GetMetadata() const {
@@ -1551,11 +1518,17 @@
     userid_.Set(::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::EmptyDefault{}, from._internal_userid(), 
       GetArena());
   }
+  backupid_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
+  if (!from._internal_backupid().empty()) {
+    backupid_.Set(::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr::EmptyDefault{}, from._internal_backupid(), 
+      GetArena());
+  }
   // @@protoc_insertion_point(copy_constructor:backup.PullBackupRequest)
 }
 
 void PullBackupRequest::SharedCtor() {
 userid_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
+backupid_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
 }
 
 PullBackupRequest::~PullBackupRequest() {
@@ -1567,6 +1540,7 @@
 void PullBackupRequest::SharedDtor() {
   GOOGLE_DCHECK(GetArena() == nullptr);
   userid_.DestroyNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
+  backupid_.DestroyNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
 }
 
 void PullBackupRequest::ArenaDtor(void* object) {
@@ -1586,6 +1560,7 @@
   (void) cached_has_bits;
 
   userid_.ClearToEmpty();
+  backupid_.ClearToEmpty();
   _internal_metadata_.Clear<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>();
 }
 
@@ -1605,6 +1580,15 @@
           CHK_(ptr);
         } else goto handle_unusual;
         continue;
+      // string backupID = 2;
+      case 2:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<::PROTOBUF_NAMESPACE_ID::uint8>(tag) == 18)) {
+          auto str = _internal_mutable_backupid();
+          ptr = ::PROTOBUF_NAMESPACE_ID::internal::InlineGreedyStringParser(str, ptr, ctx);
+          CHK_(::PROTOBUF_NAMESPACE_ID::internal::VerifyUTF8(str, "backup.PullBackupRequest.backupID"));
+          CHK_(ptr);
+        } else goto handle_unusual;
+        continue;
       default: {
       handle_unusual:
         if ((tag & 7) == 4 || tag == 0) {
@@ -1643,6 +1627,16 @@
         1, this->_internal_userid(), target);
   }
 
+  // string backupID = 2;
+  if (this->backupid().size() > 0) {
+    ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::VerifyUtf8String(
+      this->_internal_backupid().data(), static_cast<int>(this->_internal_backupid().length()),
+      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::SERIALIZE,
+      "backup.PullBackupRequest.backupID");
+    target = stream->WriteStringMaybeAliased(
+        2, this->_internal_backupid(), target);
+  }
+
   if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
     target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormat::InternalSerializeUnknownFieldsToArray(
         _internal_metadata_.unknown_fields<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(::PROTOBUF_NAMESPACE_ID::UnknownFieldSet::default_instance), target, stream);
@@ -1666,6 +1660,13 @@
         this->_internal_userid());
   }
 
+  // string backupID = 2;
+  if (this->backupid().size() > 0) {
+    total_size += 1 +
+      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::StringSize(
+        this->_internal_backupid());
+  }
+
   if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
     return ::PROTOBUF_NAMESPACE_ID::internal::ComputeUnknownFieldsSize(
         _internal_metadata_, total_size, &_cached_size_);
@@ -1700,6 +1701,9 @@
   if (from.userid().size() > 0) {
     _internal_set_userid(from._internal_userid());
   }
+  if (from.backupid().size() > 0) {
+    _internal_set_backupid(from._internal_backupid());
+  }
 }
 
 void PullBackupRequest::CopyFrom(const ::PROTOBUF_NAMESPACE_ID::Message& from) {
@@ -1724,6 +1728,7 @@
   using std::swap;
   _internal_metadata_.Swap<::PROTOBUF_NAMESPACE_ID::UnknownFieldSet>(&other->_internal_metadata_);
   userid_.Swap(&other->userid_, &::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), GetArena());
+  backupid_.Swap(&other->backupid_, &::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), GetArena());
 }
 
 ::PROTOBUF_NAMESPACE_ID::Metadata PullBackupRequest::GetMetadata() const {
diff --git a/native/cpp/CommonCpp/grpc/protos/backup.proto b/native/cpp/CommonCpp/grpc/protos/backup.proto
--- a/native/cpp/CommonCpp/grpc/protos/backup.proto
+++ b/native/cpp/CommonCpp/grpc/protos/backup.proto
@@ -22,7 +22,7 @@
   rpc CreateNewBackup(stream CreateNewBackupRequest) returns (stream CreateNewBackupResponse) {}
   rpc SendLog(stream SendLogRequest) returns (google.protobuf.Empty) {}
   rpc RecoverBackupKey(stream RecoverBackupKeyRequest) returns (stream RecoverBackupKeyResponse) {}
-  rpc PullBackup(stream PullBackupRequest) returns (stream PullBackupResponse) {}
+  rpc PullBackup(PullBackupRequest) returns (stream PullBackupResponse) {}
 }
 
 // CreateNewBackup
@@ -58,15 +58,14 @@
 }
 
 message RecoverBackupKeyResponse {
-  oneof data {
-    string backupID = 4;
-  }
+  string backupID = 4;
 }
 
 // PullBackup
 
 message PullBackupRequest {
   string userID = 1;
+  string backupID = 2;
 }
 
 message PullBackupResponse {
diff --git a/services/backup/docker-server/contents/server/src/BackupServiceImpl.h b/services/backup/docker-server/contents/server/src/BackupServiceImpl.h
--- a/services/backup/docker-server/contents/server/src/BackupServiceImpl.h
+++ b/services/backup/docker-server/contents/server/src/BackupServiceImpl.h
@@ -28,8 +28,9 @@
       backup::RecoverBackupKeyResponse> *
   RecoverBackupKey(grpc::CallbackServerContext *context) override;
 
-  grpc::ServerBidiReactor<backup::PullBackupRequest, backup::PullBackupResponse>
-      *PullBackup(grpc::CallbackServerContext *context) override;
+  grpc::ServerWriteReactor<backup::PullBackupResponse> *PullBackup(
+      grpc::CallbackServerContext *context,
+      const backup::PullBackupRequest *request) override;
 };
 
 } // namespace network
diff --git a/services/backup/docker-server/contents/server/src/BackupServiceImpl.cpp b/services/backup/docker-server/contents/server/src/BackupServiceImpl.cpp
--- a/services/backup/docker-server/contents/server/src/BackupServiceImpl.cpp
+++ b/services/backup/docker-server/contents/server/src/BackupServiceImpl.cpp
@@ -38,9 +38,13 @@
   return new reactor::RecoverBackupKeyReactor();
 }
 
-grpc::ServerBidiReactor<backup::PullBackupRequest, backup::PullBackupResponse> *
-BackupServiceImpl::PullBackup(grpc::CallbackServerContext *context) {
-  return new reactor::PullBackupReactor();
+grpc::ServerWriteReactor<backup::PullBackupResponse> *
+BackupServiceImpl::PullBackup(
+    grpc::CallbackServerContext *context,
+    const backup::PullBackupRequest *request) {
+  reactor::PullBackupReactor *reactor = new reactor::PullBackupReactor(request);
+  reactor->NextWrite();
+  return reactor;
 }
 
 } // namespace network