安装几次读失败。好像是ruby无法下载

3.leopard_64.bottle.1.tar.gz

Already downloaded: /Users/apple/Library/Caches/Homebrew/portable-ruby-2.3.3.leopard_64.bottle.1.tar.gz

Error: Checksum mismatch.

Expected: 34ce9e4c9c1be28db564d744165aa29291426f8a3d2ef806ba4f0b9175aedb2b

Actual: 9f40d6af76fc26d98273a8b2d3087b76eabea0edfb1f78dab016ce87e82ac693

Archive: /Users/apple/Library/Caches/Homebrew/portable-ruby-2.3.3.leopard_64.bottle.1.tar.gz

To retry an incomplete download, remove the file above.

Error: Failed to install vendor Ruby.

Failed during: /usr/local/bin/brew update --force

appledeMacBook-Pro:~ apple$ brew install node

==> Downloading https://homebrew.bintray.com/bottles-portable/portable-ruby-2.3.3.leopard_64.bottle.1.tar.gz

Already downloaded: /Users/apple/Library/Caches/Homebrew/portable-ruby-2.3.3.leopard_64.bottle.1.tar.gz

Error: Checksum mismatch.

Expected: 34ce9e4c9c1be28db564d744165aa29291426f8a3d2ef806ba4f0b9175aedb2b

Actual: 9f40d6af76fc26d98273a8b2d3087b76eabea0edfb1f78dab016ce87e82ac693

Archive: /Users/apple/Library/Caches/Homebrew/portable-ruby-2.3.3.leopard_64.bottle.1.tar.gz

To retry an incomplete download, remove the file above.

Error: Failed to install vendor Ruby.