diff --git a/examples/forward/direct/client.go b/examples/forward/direct/client.go
index 11cdf96..c824b54 100644
--- a/examples/forward/direct/client.go
+++ b/examples/forward/direct/client.go
@@ -21,7 +21,6 @@ func tcpForward() {
 		},
 	)
 
-	s := &gost.Server{}
 	ln, err := gost.TCPListener(":11800")
 	if err != nil {
 		log.Fatal(err)
@@ -30,5 +29,6 @@ func tcpForward() {
 		"localhost:22",
 		gost.ChainHandlerOption(chain),
 	)
-	log.Fatal(s.Serve(ln, h))
+	s := &gost.Server{ln}
+	log.Fatal(s.Serve(h))
 }
diff --git a/examples/forward/remote/client.go b/examples/forward/remote/client.go
index 623a17b..68f1737 100644
--- a/examples/forward/remote/client.go
+++ b/examples/forward/remote/client.go
@@ -23,7 +23,6 @@ func sshRemoteForward() {
 		},
 	)
 
-	s := &gost.Server{}
 	ln, err := gost.TCPRemoteForwardListener(":11800", chain)
 	if err != nil {
 		log.Fatal(err)
@@ -31,5 +30,6 @@ func sshRemoteForward() {
 	h := gost.TCPRemoteForwardHandler(
 		"localhost:10000",
 	)
-	log.Fatal(s.Serve(ln, h))
+	s := &gost.Server{ln}
+	log.Fatal(s.Serve(h))
 }
diff --git a/examples/quic/quicc.go b/examples/quic/quicc.go
index 5b25106..119e9e6 100644
--- a/examples/quic/quicc.go
+++ b/examples/quic/quicc.go
@@ -41,7 +41,6 @@ func main() {
 		},
 	)
 
-	s := &gost.Server{}
 	ln, err := gost.TCPListener(laddr)
 	if err != nil {
 		log.Fatal(err)
@@ -50,7 +49,8 @@ func main() {
 		gost.ChainHandlerOption(chain),
 		gost.TLSConfigHandlerOption(tlsConfig()),
 	)
-	log.Fatal(s.Serve(ln, h))
+	s := &gost.Server{ln}
+	log.Fatal(s.Serve(h))
 }
 
 var (
diff --git a/examples/ssh/sshc.go b/examples/ssh/sshc.go
index 137febf..a90a026 100644
--- a/examples/ssh/sshc.go
+++ b/examples/ssh/sshc.go
@@ -44,7 +44,6 @@ func main() {
 		},
 	)
 
-	s := &gost.Server{}
 	ln, err := gost.TCPListener(laddr)
 	if err != nil {
 		log.Fatal(err)
@@ -53,7 +52,8 @@ func main() {
 		gost.ChainHandlerOption(chain),
 		gost.TLSConfigHandlerOption(tlsConfig()),
 	)
-	log.Fatal(s.Serve(ln, h))
+	s := &gost.Server{ln}
+	log.Fatal(s.Serve(h))
 }
 
 var (