message: slot: slot_num 0 should be valid
diff: @@ -552,7 +552,7 @@ void SlotsMgrtTagSlotCmd::DoInitial(PikaCmdArgsType &argv, const CmdInfo* const
  }
  std::string str_slot_num = *it++;
  - if (!slash::string2l(str_slot_num.data(), str_slot_num.size(), &slot_num_) || slot_num_ <= 0) {
  + if (!slash::string2l(str_slot_num.data(), str_slot_num.size(), &slot_num_) || slot_num_ < 0) {
  res_.SetRes(CmdRes::kInvalidInt);
  return;
  }
  