<h1 id="heading-fix-some-problems-in-go-app">Fix some problems  in Go app</h1>
<h2 id="heading-p1-cant-run-after-upgrade-go-version-in-vscode">P1: Can't run after upgrade go version in vscode</h2>
<p>Upgrade <code>dlv</code> using <code>go install -v github.com/go-delve/delve/cmd/dlv@latest</code></p>
<h2 id="heading-p2-error-while-run-go-mod-tidy">P2. Error while run <code>go mod tidy</code></h2>
<p>Occur error <code>dial tcp: lookup goproxy.cn: no such host</code>, Turned off <code>GOSUMDB</code>  <code>go env -w GOSUMDB=off</code> still not works. Finally works after truned off vpn connection</p>
<h2 id="heading-p3-permission-denied-while-upgrading-dlv">P3. Permission denied while Upgrading <code>dlv</code></h2>
<p>I found the directory of <code>dlv</code> is owned by <code>root</code>, deleted it and rerun <code>go install -v github.com/go-delve/delve/cmd/dlv@latest</code> works</p>


# Fix some problems  in Go app

## P1: Can't run after upgrade go version in vscode
Upgrade `dlv` using `go install -v github.com/go-delve/delve/cmd/dlv@latest`


## P2. Error while run `go mod tidy`
Occur error `dial tcp: lookup goproxy.cn: no such host`, Turned off `GOSUMDB`  `go env -w GOSUMDB=off` still not works. Finally works after truned off vpn connection

## P3. Permission denied while Upgrading `dlv`
I found the directory of `dlv` is owned by `root`, deleted it and rerun `go install -v github.com/go-delve/delve/cmd/dlv@latest` works


Fix some problems in Go app

Fix some problems in Go app

P1: Can't run after upgrade go version in vscode

P2. Error while run go mod tidy

P3. Permission denied while Upgrading dlv

P2. Error while run `go mod tidy`

P3. Permission denied while Upgrading `dlv`