incorrect value in read/write Armor

[JuQiang]

writer.WriteUInt16((ushort)(item.Armor - itemStatCost.GetByStat("armorclass")?["Save Add"].ToUInt16() ?? 0), 11);

should be:
writer.WriteUInt16((ushort)(item.Armor + itemStatCost.GetByStat("armorclass")?["Save Add"].ToUInt16() ?? 0), 11);

item.Armor = (ushort)(reader.ReadUInt16(11) + itemStatCost.GetByStat("armorclass")?["Save Add"].ToUInt16() ?? 0);
should be:
item.Armor = (ushort)(reader.ReadUInt16(11) - itemStatCost.GetByStat("armorclass")?["Save Add"].ToUInt16() ?? 0);