在安装go插件时，会自动更新很多依赖库文件，都是从Github更新下来，但是因为Github的文件中，多有应用go官网中的文件，导致，因为网络缘故，不能直接下载，导致安装失败，如下：
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Installing github.com/nsf/gocode SUCCEEDED
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Installing github.com/uudashr/gopkgs/cmd/gopkgs SUCCEEDED
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Installing github.com/ramya-rao-a/go-outline FAILED
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Installing github.com/acroca/go-symbols FAILED
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Installing golang.org/x/tools/cmd/guru FAILED
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Installing golang.org/x/tools/cmd/gorename FAILED
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Installing github.com/fatih/gomodifytags SUCCEEDED
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Installing github.com/haya14busa/goplay/cmd/goplay SUCCEEDED
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Installing github.com/josharian/impl FAILED
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Installing github.com/rogpeppe/godef SUCCEEDED
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Installing sourcegraph.com/sqs/goreturns FAILED
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Installing github.com/golang/lint/golint FAILED
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Installing github.com/cweill/gotests/... FAILED
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Installing github.com/derekparker/delve/cmd/dlv SUCCEEDED
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8 tools failed to install.
这些失败的库，不是没有下载下来，而是以来的文件在go官网上，导致失败。以下为解决办法，
1、在%GOPATH%\src\ 目录下，建立golang.org 文件夹，并再新建x文件夹。 目录为 "%GOPATH\src\golang.org\x\"2、完成目录切换后，开始下载插件包：git clone https://github.com/golang/tools.git tools3、执行完以后，会多一个tools文件夹。
4、打开vsCode终端，切换到 终端，进入“%GOPATH”目录,执行
go install github.com/ramya-rao-a/go-outline
go install github.com/acroca/go-symbols
go install golang.org/x/tools/cmd/guru
go install golang.org/x/tools/cmd/gorename
go install github.com/josharian/impl
go install github.com/rogpeppe/godef
go install github.com/sqs/goreturns
go install github.com/golang/lint/golint
go install github.com/cweill/gotests/gotests
go install github.com/ramya-rao-a/go-outline
go install github.com/acroca/go-symbols
go install golang.org/x/tools/cmd/guru
go install golang.org/x/tools/cmd/gorename
go install github.com/josharian/impl
go install github.com/rogpeppe/godef
go install github.com/sqs/goreturns
go install github.com/golang/lint/golint
go install github.com/cweill/gotests/gotests
按此方法，可以安装成功。
参考博文：
http://www.pythonsite.com/?p=429
http://blog.csdn.net/langzi7758521/article/details/51313521
原文地址：https://www.cnblogs.com/lvdongjie/p/9552601.html