function CommonFun.calcBuff_8090(srcUser, targetUser, a, b, c, d, lv, damage)
  if srcUser == nil or targetUser == nil then
    return 0
  end
  local MaxHp = srcUser:GetProperty("MaxHp")
  local mapid, maptype = srcUser:GetMapInfo()
  local A = MaxHp * a
  return A
end