diff --git a/client/main.go b/client/main.go
index 856f285..cd91149 100644
--- a/client/main.go
+++ b/client/main.go
@@ -21,7 +21,6 @@ func main() {
 		log.Fatal("dialing : ", err)
 	}
 
-	//Synchronous call
 	args := server.HelloRequest{
 		Name: "tom",
 	}
diff --git a/client_tcp/main.go b/client_tcp/main.go
new file mode 100644
index 0000000..346914f
--- /dev/null
+++ b/client_tcp/main.go
@@ -0,0 +1,27 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"net/rpc"
+
+	"myschools.me/suguo/rpc-sample/server"
+)
+
+func main() {
+	client, err := rpc.Dial("tcp", "127.0.0.1:1234")
+	if err != nil {
+		panic(err)
+	}
+
+	defer client.Close()
+	args := server.HelloRequest{
+		Name: "tom",
+	}
+	var reply server.HelloResponse
+	err = client.Call("Hello.Say", args, &reply)
+	if err != nil {
+		log.Fatal("hello error : ", err)
+	}
+	fmt.Printf("Result: %s \n", reply.Reply)
+}
diff --git a/main.go b/main.go
index 2da93df..c070841 100644
--- a/main.go
+++ b/main.go
@@ -1,18 +1,36 @@
 package main
 
 import (
-	"fmt"
-	"net/http"
+	"log"
+	"net"
 	"net/rpc"
+	"strings"
 
 	"myschools.me/suguo/rpc-sample/server"
 )
 
 func main() {
+	// rpc.HandleHTTP()
+	// err := http.ListenAndServe(":1234", nil)
+	// if err != nil {
+	// 	fmt.Println(err.Error())
+	// }
+	defer func() {
+		err := recover()
+		if err == nil {
+			log.Fatal("no error")
+		}
+		if !strings.Contains(err.(error).Error(), "reading body EOF") {
+			log.Fatal("expected `reading body EOF', got", err)
+		}
+	}()
+
 	rpc.Register(&server.Hello{})
-	rpc.HandleHTTP()
-	err := http.ListenAndServe(":1234", nil)
+
+	listen, err := net.Listen("tcp", "127.0.0.1:1234") //端口为0表示任意端口
 	if err != nil {
-		fmt.Println(err.Error())
+		panic(err)
 	}
+	defer listen.Close()
+	rpc.Accept(listen)
 }