diff --git a/aes/aes.go b/aes/aes.go
index 4345656..bd4b299 100644
--- a/aes/aes.go
+++ b/aes/aes.go
@@ -47,11 +47,11 @@ func PKCS7UnPadding(origData []byte) []byte {
 func EncodeTest() {
 	orig := "hello world"
 	key := "123456781234567812345678"
-	fmt.Println("Ô­ÎÄ£º", orig)
+	fmt.Println("原文：", orig)
 
 	encryptCode := Encrypt(orig, key)
-	fmt.Println("ÃÜÎÄ£º", encryptCode)
+	fmt.Println("密文：", encryptCode)
 
 	decryptCode := Decrypt(encryptCode, key)
-	fmt.Println("½âÃܽá¹û£º", decryptCode)
+	fmt.Println("解密结果：", decryptCode)
 }
diff --git a/tls2/client.go b/tls2/client.go
new file mode 100644
index 0000000..c58a1c8
--- /dev/null
+++ b/tls2/client.go
@@ -0,0 +1,12 @@
+package tls2
+
+import (
+	"crypto/tls"
+)
+
+func GetClientTLSConfig() *tls.Config {
+	return &tls.Config{
+		InsecureSkipVerify: true,
+		NextProtos:         []string{"goodlink"},
+	}
+}
diff --git a/tunnel/tls.go b/tls2/server.go
similarity index 75%
rename from tunnel/tls.go
rename to tls2/server.go
index fb4f6bb..751fae0 100644
--- a/tunnel/tls.go
+++ b/tls2/server.go
@@ -1,4 +1,4 @@
-package tunnel
+package tls2
 
 import (
 	"crypto/rand"
@@ -9,15 +9,8 @@ import (
 	"math/big"
 )
 
-func getClientTLSConfig() *tls.Config {
-	return &tls.Config{
-		InsecureSkipVerify: true,
-		NextProtos:         []string{"quic-echo-example"},
-	}
-}
-
 // Setup a bare-bones TLS config for the server
-func getServerTLSConfig() *tls.Config {
+func GetServerTLSConfig() *tls.Config {
 	key, err := rsa.GenerateKey(rand.Reader, 1024)
 	if err != nil {
 		panic(err)
@@ -36,6 +29,6 @@ func getServerTLSConfig() *tls.Config {
 	}
 	return &tls.Config{
 		Certificates: []tls.Certificate{tlsCert},
-		NextProtos:   []string{"quic-echo-example"},
+		NextProtos:   []string{"goodlink"},
 	}
 }
diff --git a/tunnel/local.go b/tunnel/local.go
index 0c7c791..143aa7c 100644
--- a/tunnel/local.go
+++ b/tunnel/local.go
@@ -8,6 +8,7 @@ import (
 	"gogo/workpool"
 	"goodlink/proxy"
 	"goodlink/tools"
+	"goodlink/tls2"
 	"log"
 	"net"
 	"sync"
@@ -43,7 +44,7 @@ func (c *TunnelClient) process_client3(conn *net.UDPConn, remoteAddr *net.UDPAdd
 	time.Sleep(1 * time.Second)
 
 	log.Printf("process_client3 quic.Dial: %v==>%v\n", conn.LocalAddr(), remoteAddr)
-	new_quic_conn, err := quic.Dial(context.Background(), conn, remoteAddr, getClientTLSConfig(), nil)
+	new_quic_conn, err := quic.Dial(context.Background(), conn, remoteAddr, tls2.GetClientTLSConfig(), nil)
 	if err != nil {
 		log.Printf("process_client3 quic.Dial: %v\n", err)
 		return
diff --git a/tunnel/remote.go b/tunnel/remote.go
index 3d2abec..2cc8cd7 100644
--- a/tunnel/remote.go
+++ b/tunnel/remote.go
@@ -5,6 +5,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"goodlink/proxy"
+	"goodlink/tls2"
 	"goodlink/tools"
 	"log"
 	"math/rand"
@@ -86,7 +87,7 @@ func (c *TunnelServer) process_server5(conn *net.UDPConn, tun_remote_addr *net.U
 	}
 
 	log.Printf("quic.Listen: %v\n", conn.LocalAddr())
-	listener, err := quic.Listen(conn, getServerTLSConfig(), nil)
+	listener, err := quic.Listen(conn, tls2.GetServerTLSConfig(), nil)
 	tools.AssertErrorToNilf("process_client3 quic.Listen: %v", err)
 
 	log.Printf("process_server5 listener.Accept: %v\n", conn.LocalAddr())