bool Inventory::decreaseCountItem( unsigned int index, unsigned int count, bool& deleteFlag )
{
    CItem* pItem = buffer_[index];
    int newCount = pItem->m_count - count;
    if (newCount < 0) // ?? ??? ???
    {
        newCount = 0;
        deleteFlag = true;
        LOG_ERROR("not enought item count. now count[%d], delete count[%d]", pItem->Count(), count);
    //ch->m_desc->Close("invalid packet item count");
        return deleteItem(index);
    }

    if (newCount == 0) // ??? ??? 0? ??, ???? ?????
    {
        deleteFlag = true;
        return deleteItem(index);
    }