Gopls was built with Go version 1.17, which will be unsupported by gopls v0.13.0. Please upgrade to Go 1.18
or later and reinstall gopls. If you can’t upgrade and want this message to go away, please install gopls v0.110. See
https://go.dev/s/gopls-support-policy for more detaails
降级了 go、coc.nvim 版本后底下会一闪而过这段信息，全文大略是下面这样的。反正我去降级 gopls 解决了问题。
go install golang.org/x/tools/gopls@latest