https://blog.wongcw.com/2020/09/11/%e8%98%8b%e6%9e%9c%e7%99%bc%e5%b8%83macos-10-15-6%e8%a3%9c%e5%85%85%e6%9b%b4%e6%96%b0%e4%bf%ae%e5%be%a9wi-fi%e5%92%8cicloud%e5%95%8f%e9%a1%8c/
蘋果發布macOS 10.15.6補充更新修復Wi-Fi和iCloud問題