https://qooah.com/2014/08/11/%e5%b0%8f%e7%b1%b3%e5%b0%87%e5%81%9c%e6%ad%a2%e9%83%a8%e5%88%86%e7%ac%ac%e4%b8%89%e6%96%b9%e6%89%8b%e6%a9%9f%e7%9a%84-miui-%e6%9b%b4%e6%96%b0/