http://beiyuoo.pixnet.net/blog/post/103447036-%E4%BB%8B%E9%9D%A2%E8%A8%AD%E8%A8%88-%E5%88%87%E5%9C%96%E4%B9%8B%E8%A7%A3%E6%B1%BAillustrator%E7%A5%9E%E7%A7%98%E5%A4%9A%E5%87%BA%E4%BE%86%E7%9A%841ADOBE特有的轉存計算問題