CommonFun.calcBuff_7750
function CommonFun.calcBuff_7750(srcUser, targetUser, a, b, c, d, lv)
  if srcUser == nil or targetUser == nil then
    return 0
  end
  local A = 0
  local Pudu = targetUser:GetBuffLayer(20182_POISON_EFFECT_POISON_:MAX_STACK_0)
  local Xindu = targetUser:GetBuffLayer(116013_POISONOUS_WEAPON_POISONED_:MAX_STACK_0)
  local MaxHp = targetUser:GetProperty("MaxHp")
  A = (Pudu * 0.1 + Xindu * 0.25) * MaxHp
  return -A
end