message: debug the gadd
diff: @@ -2727,6 +2727,7 @@ void batchInsert_thread_new(const shared_ptr<HttpServer::Request>& request, cons
  {
  string success = "Batch insert data successfully.";
  unsigned success_num= current_database->batch_insert(file, false, nullptr);
  + current_database->save();
  apiUtil->unlock_database(db_name);
  Document resDoc;
  @@ -2800,6 +2801,7 @@ void batchRemove_thread_new(const shared_ptr<HttpServer::Request>& request, cons
  {
  string success = "Batch remove data successfully.";
  unsigned success_num=current_database->batch_remove(file,false,nullptr);
  + current_database->save();
  apiUtil->unlock_database(db_name);
  Document resDoc;
  