Formula
CommonFun.calcBuff_6870
function CommonFun.calcBuff_6870(srcUser, targetUser, a, b, c, d, lv)
if srcUser == nil or targetUser == nil then
return 0
end
local Skilllv = srcUser:GetBoKiSkillLv(a)
local A = c
if 0 < Skilllv then
A = Skilllv * b + c
end
return A
end