有时会遇到代码问题、环境变量问题，所以有时需要手动安装，内容如下：

go install github.com/mdempsky/gocode
go install github.com/uudashr/gopkgs/v2/cmd/gopkgs
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/cweill/gotests/...
go install github.com/fatih/gomodifytags
go install github.com/josharian/impl
go install github.com/davidrjenni/reftools/cmd/fillstruct
go install github.com/haya14busa/goplay/cmd/goplay
go install github.com/godoctor/godoctor
go install github.com/go-delve/delve/cmd/dlv
go install github.com/stamblerre/gocode
go install github.com/rogpeppe/godef
go install golang.org/x/tools/cmd/goimports
go install github.com/golangci/golangci-lint/cmd/golangci-lint
go install golang.org/x/tools/gopls