https://blog.wongcw.com/2021/02/16/%e4%bf%ae%e6%ad%a3%e5%be%8c%e7%9a%84macos-big-sur-11-2-1%e6%9b%b4%e6%96%b0%e9%96%8b%e5%a7%8b%e6%aa%a2%e6%9f%a5%e5%8f%af%e7%94%a8%e7%a9%ba%e9%96%93%e4%bb%a5%e9%98%b2%e6%ad%a2%e5%ae%89%e8%a3%9d%e9%8c%af/
修正後的macOS Big Sur 11.2.1更新開始檢查可用空間以防止安裝錯誤