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