message: Bugfix
  SlotsMgrtTagSlotAsyncCmd may lead to coredump if Sync Master Partition
  is not found.
diff: @@ -170,7 +170,8 @@ void SlotsMgrtTagSlotAsyncCmd::Do(std::shared_ptr<Partition> partition) {
  if (!master_partition) {
  LOG(WARNING) << "Sync Master Partition: " << g_pika_conf->default_table() << ":" << slot_num_
  << ", NotFound";
  - is_exist = false;
  + res_.SetRes(CmdRes::kNotFound, kCmdNameSlotsMgrtTagSlotAsync);
  + return;
  }
  is_exist = master_partition->CheckSlaveNodeExist(dest_ip_, dest_port_);
  if (is_exist) {
  