homebrew 安装包时重复性出现在/Library/Caches/Homebrew/下找不到文件或目录

环境 OSX 10.10.3

$ brew cask install qlcolorcode
==> Downloading https://qlcolorcode.googlecode.com/files/QLColorCode-2.0.2.tgz
Error: Download failed on Cask 'qlcolorcode' with message: No such file or directory - (/Library/Caches/Homebrew/qlcolorcode-2.0.2.tgz.incomplete, /Library/Caches/Homebrew/qlcolorcode-2.0.2.tgz)

$ brew install node
==> Downloading https://homebrew.bintray.com/bottles/node-0.12.2_1.yosemite.bottle.tar.gz
Error: Failed to download resource "node"
Download failed: https://homebrew.bintray.com/bottles/node-0.12.2_1.yosemite.bottle.tar.gz
Warning: Bottle installation failed: building from source.
==> Installing node dependency: pkg-config
==> Downloading https://homebrew.bintray.com/bottles/pkg-config-0.28.yosemite.bottle.2.tar.gz
Error: Failed to download resource "pkg-config"
Download failed: https://homebrew.bintray.com/bottles/pkg-config-0.28.yosemite.bottle.2.tar.gz
Warning: Bottle installation failed: building from source.
==> Downloading http://pkgconfig.freedesktop.org/releases/pkg-config-0.28.tar.gz
Error: No such file or directory - (/Library/Caches/Homebrew/pkg-config-0.28.tar.gz.incomplete, /Library/Caches/Homebrew/pkg-config-0.28.tar.gz)

关于这个问题搜了一通没看到相关的解决信息。不知大家遇到过没有？