手动下载 golang.org\x\ 扩展包：package golang.org/x/sys/windows: unrecognized import path "golang.org/x/sys/win dows"

解决方法：

golang.org/x

GOPATHD:\go\GoProjects

git config --global http.sslVerify "false"

(2) 下载官方扩展包：

cd  D:\go\GoProjects\src\golang.org\x\

git clone https://github.com/golang/tools.git
git clone https://github.com/golang/net.git
git clone https://github.com/golang/sys.git
git clone https://github.com/golang/term.git
git clone https://github.com/golang/crypto.git
git clone https://github.com/golang/oauth2.git
git clone https://github.com/golang/blog.git
git clone https://github.com/golang/text.git
git clone https://github.com/golang/review.git
git clone https://github.com/golang/time.git
git clone https://github.com/golang/vgo.git
git clone https://github.com/golang/image.git
git clone https://github.com/golang/sync.git