https://qooah.com/2013/07/30/%e6%ad%a4%e6%b6%88%e5%bd%bc%e9%95%b7-android-%e5%b9%b3%e6%9d%bf%e9%8a%b7%e9%87%8f%e5%8d%87-windows-%e6%9b%b4%e5%8d%8711%e5%80%8d-%e5%8f%aa%e6%9c%89ios-%e8%b7%8c/