如题目：

在 terminal 安装 brew install ios_webkit_debug_proxy 报错如下：

Error: Could not link:
/usr/local/share/doc/homebrew

Please delete these paths and run brew update.
Error: No available formula with the name "ios_webkit_debug_proxy"
==> Searching for a previously deleted formula (in the last month)...
Warning: homebrew/core is shallow clone. To get complete history run:
git -C "$(brew --repo homebrew/core)" fetch --unshallow

Error: No previously deleted formula found.
==> Searching for similarly named formulae...
==> Searching local taps...
Error: No similarly named formulae found.
==> Searching taps...
==> Searching taps on GitHub...
Error: No formulae found in taps.