brew install tesseract 报错：
==> Downloading https://mirrors.ustc.edu.cn/homebrew-bottles/webp-1.2.0.big_sur. #=#=# curl: (22) The requested URL returned error: 404 Warning: Bottle missing, falling back to the default domain... tar: Error opening archive: Failed to open '/Users/tonyyan/Library/Caches/Homebrew/downloads/561530460814c6da8e21ef67569a57620f19b64ed573dad2394ebd62e084726c--webp-1.2.0.big_sur.bottle.tar.gz' Error: Failure while executing; `tar --extract --no-same-owner --file /Users/tonyyan/Library/Caches/Homebrew/downloads/561530460814c6da8e21ef67569a57620f19b64ed573dad2394ebd62e084726c--webp-1.2.0.big_sur.bottle.tar.gz --directory /private/tmp/d20210823-11903-qf59jg` exited with 1. Here's the output: tar: Error opening archive: Failed to open '/Users/tonyyan/Library/Caches/Homebrew/downloads/561530460814c6da8e21ef67569a57620f19b64ed573dad2394ebd62e084726c--webp-1.2.0.big_sur.bottle.tar.gz'
打开 https://mirrors.ustc.edu.cn/homebrew-bottles/ ， 发现没有
webp-1.2.0.big_sur.
只有 ：
webp-1.2.1.arm64_big_sur.bottle.tar.gz 14-Aug-2021 12:08 770616 webp-1.2.1.big_sur.bottle.tar.gz 14-Aug-2021 12:08 901172 webp-1.2.1.catalina.bottle.tar.gz 14-Aug-2021 12:08 903171 webp-1.2.1.mojave.bottle.tar.gz 14-Aug-2021 12:08 884779 webp-1.2.1.x86_64_linux.bottle.tar.gz 14-Aug-2021 12:08 1065224 webpack-5.51.1.arm64_big_sur.bottle.tar.gz 20-Aug-2021 13:17 44093372 webpack-5.51.1.big_sur.bottle.tar.gz 20-Aug-2021 13:17 44091661 webpack-5.51.1.catalina.bottle.tar.gz 20-Aug-2021 13:17 44091661 webpack-5.51.1.mojave.bottle.tar.gz 20-Aug-2021 13:17 44091596 webpack-5.51.1.x86_64_linux.bottle.tar.gz 20-Aug-2021 13:17 44079816
解决方法： 把中科大的源换成阿里云：
vi ~/.zprofile
export HOMEBREW_BOTTLE_DOMAIN=https://mirrors.aliyun.com/homebrew/homebrew-bottles
source ~/.zprofile
brew install tesseract
成功安装