an document err

[samuelyao314]

Describe the bug

an error at documment: https://go-zero.dev/docs/tasks/grpc/client/quickstart

func main() {
    var clientConf zrpc.RpcClientConf
    conf.MustLoad("etc/client.yaml", &clientConf)
    conn := zrpc.MustNewClient(clientConf)
    resp, err := client.Ping(context.Background(), &greet.Request{})
    if err != nil {
        log.Fatal(err)
        return
    }

    log.Println(resp)
}

correct code

func main() {
    var clientConf zrpc.RpcClientConf
    conf.MustLoad("etc/client.yaml", &clientConf)
    conn := zrpc.MustNewClient(clientConf)
    client := greet.NewGreetClient(conn.Conn())
    resp, err := client.Ping(context.Background(), &greet.Request{})
    if err != nil {
        log.Fatal(err)
        return
    }

    log.Println(resp)
}

To Reproduce
Steps to reproduce the behavior, if applicable:

1. The code is

2. The error is

Expected behavior
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Screenshots
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Environments (please complete the following information):

• OS: [e.g. Linux]
• go-zero version [e.g. 1.2.1]
• goctl version [e.g. 1.2.1, optional]

More description
Add any other context about the problem here.

[kesonan]

Thanks for your contribution, we have already fix it.