go get -u github.com/go-sql-driver/mysql 下载问题

go get -u github.com/go-sql-driver/mysql
go: downloading github.com/go-sql-driver/mysql v1.8.1
go: github.com/go-sql-driver/mysql@v1.8.1: verifying module: github.com/go-sql-driver/mysql@v1.8.1: initializing sumdb.Client: reading tree note: malformed note
note:
go.sum database tree
27216680
1yf3Xd2FM0XKyCBh0nOwkv79ynS945j4HQfC9DUiX5U=

— sum.golang.org Az3groqcM1SA/GCDjKbnsdBCUNBtmZngDgpFN8Gvn+2F92PxwmtFeLFEXhJTCegCXJiQ7ietvE7KCNDVlPRx9cNaHgA=

go env查看配置

go env -w GOSUMDB=off
重新执行go get -u github.com/go-sql-driver/mysql就可以了