不知道为什么还是下载不了
Installing 7 tools at /Users/ericzhou/go/bin go-symbols guru gorename impl goreturns golint gotests
MacBook-Air:~ ericzhou$ go get -u -v golang.org/x/tools/cmd/guru Fetching https://golang.org/x/tools/cmd/guru?go-get=1 https fetch failed: Get https://golang.org/x/tools/cmd/guru?go-get=1: dial tcp 216.239.37.1:443: i/o timeout golang.org/x/tools (download)
cd /Users/ericzhou/go/src/golang.org/x/tools; git pull --ff-only
fatal: unable to access 'https://go.googlesource.com/tools/': Failed to connect to go.googlesource.com port 443: Operation timed out
