塑料做的铁钉

https://github.com/nacos-group/nacos-sdk-go/blob/dfbe390d789727e93961e4ef28a3ab27892c9cf7/clients/nacos_client/nacos_client.go#L65 v2.2.1 ### What version of nacos-sever are you using? v2.0.2 ### What version of Go are you using (`go version`)? go v1.9 ### What operating system (Linux, Windows, …)...