https://blog.wongcw.com/2020/02/29/%e8%b0%b7%e6%ad%8c%e9%80%9a%e8%a8%8a%e9%8c%84%e6%87%89%e7%94%a8%e6%9b%b4%e6%96%b0%e5%8f%af%e9%81%b8%e5%82%99%e4%bb%bd%e5%92%8c%e5%90%8c%e6%ad%a5%e6%9c%ac%e5%9c%b0%e5%ad%98%e5%84%b2%e7%9a%84%e8%81%af/
谷歌通訊錄應用更新可選備份和同步本地存儲的聯繫人