diff --git a/_examples/basic/main.go b/_examples/basic/main.go
index 999f7ec..66b1e32 100644
--- a/_examples/basic/main.go
+++ b/_examples/basic/main.go
@@ -20,6 +20,10 @@ const (
 	addr      = "localhost:8080"
 	endpoint  = "/echo"
 	namespace = "default"
+	// false if client sends a join request.
+	serverJoinRoom = false
+	// if the above is true then this field should be filled, it's the room name that server force-joins a namespace connection.
+	serverRoomName = "room1"
 )
 
 // userMessage implements the `MessageBodyUnmarshaler` and `MessageBodyMarshaler`.
@@ -42,16 +46,20 @@ var serverAndClientEvents = neffos.Namespaces{
 	namespace: neffos.Events{
 		neffos.OnNamespaceConnected: func(c *neffos.NSConn, msg neffos.Message) error {
 			log.Printf("[%s] connected to namespace [%s].", c, msg.Namespace)
+
+			if !c.Conn.IsClient() && serverJoinRoom {
+				c.JoinRoom(nil, serverRoomName)
+			}
+
 			return nil
 		},
 		neffos.OnNamespaceDisconnect: func(c *neffos.NSConn, msg neffos.Message) error {
 			log.Printf("[%s] disconnected from namespace [%s].", c, msg.Namespace)
 			return nil
 		},
-
 		neffos.OnRoomJoined: func(c *neffos.NSConn, msg neffos.Message) error {
 			text := fmt.Sprintf("[%s] joined to room [%s].", c, msg.Room)
-			log.Printf("%s", text)
+			log.Println(text)
 
 			// notify others.
 			if !c.Conn.IsClient() {
@@ -67,7 +75,7 @@ var serverAndClientEvents = neffos.Namespaces{
 		},
 		neffos.OnRoomLeft: func(c *neffos.NSConn, msg neffos.Message) error {
 			text := fmt.Sprintf("[%s] left from room [%s].", c, msg.Room)
-			log.Printf("%s", text)
+			log.Println(text)
 
 			// notify others.
 			if !c.Conn.IsClient() {
@@ -81,7 +89,6 @@ var serverAndClientEvents = neffos.Namespaces{
 
 			return nil
 		},
-
 		"chat": func(c *neffos.NSConn, msg neffos.Message) error {
 			if !c.Conn.IsClient() {
 				c.Conn.Server().Broadcast(c, msg)
@@ -108,6 +115,8 @@ var serverAndClientEvents = neffos.Namespaces{
 }
 
 func main() {
+	// neffos.EnableDebug(nil)
+
 	args := os.Args[1:]
 	if len(args) == 0 {
 		log.Fatalf("expected program to start with 'server' or 'client' argument")
@@ -197,16 +206,26 @@ func startClient() {
 	if err != nil {
 		log.Fatal(err)
 	}
+
+	var room *neffos.Room
+
 askRoom:
-	fmt.Print("Please specify a room to join, i.e room1: ")
-	if !scanner.Scan() {
-		log.Fatal(scanner.Err())
-	}
-	roomToJoin := scanner.Text()
+	if !serverJoinRoom {
+		fmt.Print("Please specify a room to join, i.e room1: ")
+		if !scanner.Scan() {
+			log.Fatal(scanner.Err())
+		}
+		roomToJoin := scanner.Text()
 
-	room, err := c.JoinRoom(nil, roomToJoin)
-	if err != nil {
-		log.Fatal(err)
+		room, err = c.JoinRoom(nil, roomToJoin)
+		if err != nil {
+			log.Fatal(err)
+		}
+	} else {
+		room = c.Room(serverRoomName)
+		if room == nil {
+			log.Fatalf("room %s is nil", serverRoomName)
+		}
 	}
 
 	fmt.Fprint(os.Stdout, ">> ")
@@ -225,15 +244,19 @@ askRoom:
 
 		if text == "leave" {
 			room.Leave(nil)
-			goto askRoom
+			if !serverJoinRoom {
+				goto askRoom
+			}
 		}
 
 		// username is the connection's ID ==
 		// room.String() returns -> NSConn.String() returns -> Conn.String() returns -> Conn.ID()
 		// which generated by server-side via `Server#IDGenerator`.
 		userMsg := userMessage{From: username, Text: text}
-		room.Emit("chat", neffos.Marshal(userMsg))
-
+		ok := room.Emit("chat", neffos.Marshal(userMsg))
+		if !ok {
+			log.Fatal("Emit failed")
+		}
 		fmt.Fprint(os.Stdout, ">> ")
 	}
 }
diff --git a/go.mod b/go.mod
index 53aee6b..333c17f 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,7 @@ require (
 	github.com/gobwas/httphead v0.0.0-20180130184737-2c6c146eadee // indirect
 	github.com/gobwas/pool v0.2.0 // indirect
 	github.com/gobwas/ws v1.0.2
-	github.com/gorilla/websocket v1.4.0
+	github.com/gorilla/websocket v1.4.1 // indirect
 	github.com/iris-contrib/go.uuid v2.0.0+incompatible
 	github.com/mediocregopher/radix/v3 v3.3.0
 	github.com/nats-io/nats.go v1.8.1 // indirect
diff --git a/go.sum b/go.sum
index 94a0274..6df5976 100644
--- a/go.sum
+++ b/go.sum
@@ -4,14 +4,15 @@ github.com/gobwas/pool v0.2.0 h1:QEmUOlnSjWtnpRGHF3SauEiOsy82Cup83Vf2LcMlnc8=
 github.com/gobwas/pool v0.2.0/go.mod h1:q8bcK0KcYlCgd9e7WYLm9LpyS+YeLd8JVDW6WezmKEw=
 github.com/gobwas/ws v1.0.2 h1:CoAavW/wd/kulfZmSIBt6p24n4j7tHgNVCjsfHVNUbo=
 github.com/gobwas/ws v1.0.2/go.mod h1:szmBTxLgaFppYjEmNtny/v3w89xOydFnnZMcgRRu/EM=
-github.com/gorilla/websocket v1.4.0 h1:WDFjx/TMzVgy9VdMMQi2K2Emtwi2QcUQsztZ/zLaH/Q=
-github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
+github.com/gorilla/websocket v1.4.1 h1:q7AeDBpnBk8AogcD4DSag/Ukw/KV+YhzLj2bP5HvKCM=
+github.com/gorilla/websocket v1.4.1/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/iris-contrib/go.uuid v2.0.0+incompatible h1:XZubAYg61/JwnJNbZilGjf3b3pB80+OQg2qf6c8BfWE=
 github.com/iris-contrib/go.uuid v2.0.0+incompatible/go.mod h1:iz2lgM/1UnEf1kP0L/+fafWORmlnuysV2EMP8MW+qe0=
 github.com/mediocregopher/radix/v3 v3.3.0 h1:oacPXPKHJg0hcngVVrdtTnfGJiS+PtwoQwTBZGFlV4k=
 github.com/mediocregopher/radix/v3 v3.3.0/go.mod h1:EmfVyvspXz1uZEyPBMyGK+kjWiKQGvsUt6O3Pj+LDCQ=
 github.com/nats-io/nats.go v1.8.1 h1:6lF/f1/NN6kzUDBz6pyvQDEXO39jqXcWRLu/tKjtOUQ=
 github.com/nats-io/nats.go v1.8.1/go.mod h1:BrFz9vVn0fU3AcH9Vn4Kd7W0NpJ651tD5omQ3M8LwxM=
+github.com/nats-io/nkeys v0.0.2/go.mod h1:dab7URMsZm6Z/jp9Z5UGa87Uutgc2mVpXLC4B7TDb/4=
 github.com/nats-io/nkeys v0.1.0 h1:qMd4+pRHgdr1nAClu+2h/2a5F2TmKcCzjCDazVgRoX4=
 github.com/nats-io/nkeys v0.1.0/go.mod h1:xpnFELMwJABBLVhffcfd1MZx6VsNRFpEugbxziKVo7w=
 github.com/nats-io/nuid v1.0.1 h1:5iA8DT8V7q8WK2EScv2padNa/rTESc1KdnPw4TC2paw=