function CommonFun.calcBuff_8200(srcUser, targetUser, a, b, c, d, lv)
  if srcUser == nil or targetUser == nil then
    return 0
  end
  local skilllv_1 = srcUser:GetLernedSkillLevel(1231_THIEF:SON_S_RADIANCE)
  local A = 1 * skilllv_1 + 5
  if srcUser:HasBuffID(90004504_STARDUST_DRAGON_ROD_1_T5_:MAX_STACK_0) then
    A = A + 2
  end
  return A
end