function CommonFun.calcBuff_7521(srcUser, targetUser, a, b, c, d, lv)
  if srcUser == nil or targetUser == nil then
    return 0
  end
  local Hasbuff = 0
  if srcUser:HasBuffID(c) then
    Hasbuff = 1
  end
  local ForceStateDef = targetUser:GetProperty("ForceStateDef")
  local A = (a + b * Hasbuff) * (1 - math.min(ForceStateDef, 0.8))
  return A
end