From 72cc4707807934ebee1ca65653a22cd0d42145f1 Mon Sep 17 00:00:00 2001
From: yuanhao <yuanhao.yuanhao@alibaba-inc.com>
Date: Tue, 23 Nov 2021 19:46:05 +0800
Subject: [PATCH] reply is *string not string

---
 ch4-rpc/ch4-03-netrpc-hack.md | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/ch4-rpc/ch4-03-netrpc-hack.md b/ch4-rpc/ch4-03-netrpc-hack.md
index 014fd7f..d6bdb74 100644
--- a/ch4-rpc/ch4-03-netrpc-hack.md
+++ b/ch4-rpc/ch4-03-netrpc-hack.md
@@ -32,8 +32,8 @@ func doClientWork(client *rpc.Client) {
 	}
 
 	args := helloCall.Args.(string)
-	reply := helloCall.Reply.(string)
-	fmt.Println(args, reply)
+	reply := helloCall.Reply.(*string)
+	fmt.Println(args, *reply)
 }
 ```
 
@@ -246,7 +246,7 @@ func doClientWork(clientChan <-chan *rpc.Client) {
 	defer client.Close()
 
 	var reply string
-	err = client.Call("HelloService.Hello", "hello", &reply)
+	err := client.Call("HelloService.Hello", "hello", &reply)
 	if err != nil {
 		log.Fatal(err)
 	}