diff --git a/client/auth.go b/client/auth.go
index 136a7fa..003264f 100644
--- a/client/auth.go
+++ b/client/auth.go
@@ -86,7 +86,7 @@ func (client *Client) auth(password string) error {
 	if mechanism == "" {
 		return fmt.Errorf("PLAIN authentication is not an option: %s", f.Mechanisms.Mechanism)
 	}
-	client.Logging.Info("used auth with '%s'", mechanism)
+	client.Logging.Infof("used auth with '%s'", mechanism)
 
 	element, err := client.Read()
 	if err != nil {
diff --git a/client/connect.go b/client/connect.go
index f6a7c33..a97bdc9 100644
--- a/client/connect.go
+++ b/client/connect.go
@@ -42,8 +42,14 @@ func (client *Client) startStream() (*messages.StreamFeatures, error) {
 		debug += " tls"
 	}
 	debug += " mechanism("
+	mFirst := true
 	for _, m := range f.Mechanisms.Mechanism {
-		debug += m
+		if mFirst {
+			mFirst = false
+			debug += m
+		} else {
+			debug += ", " + m
+		}
 	}
 	debug += ")"
 	if f.Bind != nil {
@@ -81,41 +87,47 @@ func (client *Client) connect(password string) error {
 		return err
 	}
 
-	if _, err := client.startStream(); err != nil {
+	f, err := client.startStream()
+	if err != nil {
 		return err
 	}
-	// bind to resource
-	bind := &messages.Bind{}
-	if client.JID.Resource != "" {
-		bind.Resource = client.JID.Resource
-	}
-	if err := client.Send(&messages.IQClient{
-		Type: messages.IQTypeSet,
-		To:   model.NewJID(client.JID.Domain),
-		Bind: bind,
-	}); err != nil {
-		return err
-	}
-
-	var iq messages.IQClient
-	if err := client.ReadDecode(&iq); err != nil {
-		return err
-	}
-	if iq.Error != nil {
-		if iq.Error.ServiceUnavailable == nil {
-			return errors.New(fmt.Sprintf("recv error on iq>bind: %s[%s]: %s -> %s -> %s", iq.Error.Code, iq.Error.Type, iq.Error.Text, messages.XMLChildrenString(iq.Error.StanzaErrorGroup), messages.XMLChildrenString(iq.Error.Other)))
-		} else {
-			client.Logging.Warn("connected without setting resource with bind after auth: service-unavailable")
+	bind := f.Bind
+	if f.Bind == nil || (f.Bind.JID == nil && f.Bind.Resource == "") {
+		// bind to resource
+		if client.JID.Resource != "" {
+			bind.Resource = client.JID.Resource
 		}
-	} else if iq.Bind == nil {
-		return errors.New("<iq> result missing <bind>")
-	} else if iq.Bind.JID != nil {
-		client.JID.Local = iq.Bind.JID.Local
-		client.JID.Domain = iq.Bind.JID.Domain
-		client.JID.Resource = iq.Bind.JID.Resource
-		client.Logging.Info("set resource by server bind")
+		if err := client.Send(&messages.IQClient{
+			Type: messages.IQTypeSet,
+			To:   model.NewJID(client.JID.Domain),
+			Bind: bind,
+		}); err != nil {
+			return err
+		}
+
+		var iq messages.IQClient
+		if err := client.ReadDecode(&iq); err != nil {
+			return err
+		}
+		if iq.Error != nil {
+			return errors.New(fmt.Sprintf("recv error on iq>bind: %s[%s]: %s -> %s -> %s", iq.Error.Code, iq.Error.Type, iq.Error.Text, messages.XMLChildrenString(iq.Error.StanzaErrorGroup), messages.XMLChildrenString(iq.Error.Other)))
+		} else if iq.Bind == nil {
+			return errors.New("iq>bind is nil :" + messages.XMLChildrenString(iq.Other))
+		}
+		bind = iq.Bind
+	}
+	if bind == nil {
+		return errors.New("bind is nil")
+	} else if bind.JID != nil {
+		client.JID.Local = bind.JID.Local
+		client.JID.Domain = bind.JID.Domain
+		client.JID.Resource = bind.JID.Resource
+		client.Logging.Infof("set jid by server bind '%s'", bind.JID.Full())
+	} else if bind.Resource != "" {
+		client.JID.Resource = bind.Resource
+		client.Logging.Infof("set resource by server bind '%s'", bind.Resource)
 	} else {
-		return errors.New(messages.XMLChildrenString(iq.Other))
+		return errors.New("bind>jid is nil" + messages.XMLChildrenString(bind))
 	}
 	// set status
 	return client.Send(&messages.PresenceClient{Show: messages.PresenceShowXA, Status: "online"})
diff --git a/daemon/tester/bot.go b/daemon/tester/bot.go
index 5cbdb59..9b0efef 100644
--- a/daemon/tester/bot.go
+++ b/daemon/tester/bot.go
@@ -112,10 +112,10 @@ func (t *Tester) StartBot(status *Status) {
 			for _, jid := range t.Admins {
 				if first {
 					first = false
+					allAdmins += jid.Bare()
 				} else {
-					allAdmins += ", "
+					allAdmins += ", " + jid.Bare()
 				}
-				allAdmins += jid.Bare()
 				if jid.Bare() == msg.From.Bare() {
 					isAdmin = true
 					status.client.Send(messages.MessageClient{Type: msg.Type, To: jid, Body: "last message, disconnect requested by " + msg.From.Bare()})
diff --git a/messages/utils.go b/messages/utils.go
index 30d7728..ffa0e47 100644
--- a/messages/utils.go
+++ b/messages/utils.go
@@ -23,7 +23,7 @@ func XMLStartElementToString(element *xml.StartElement) string {
 	}
 	debug := fmt.Sprintf("<%s xmlns=\"%s\"", element.Name.Local, element.Name.Space)
 	for _, attr := range element.Attr {
-		debug = fmt.Sprintf("%s %s=\"%s\"", debug, attr.Name, attr.Value)
+		debug = fmt.Sprintf("%s %s=\"%s\"", debug, attr.Name.Local, attr.Value)
 	}
 	debug += ">"
 	return debug
@@ -54,10 +54,10 @@ func XMLChildrenString(o interface{}) (result string) {
 		if xmlElement, ok := valueField.Interface().(*xml.Name); ok && xmlElement != nil {
 			if first {
 				first = false
+				result += xmlElement.Local
 			} else {
-				result += ", "
+				result += ", " + xmlElement.Local
 			}
-			result += xmlElement.Local
 		}
 	}
 	return
diff --git a/yaja-tester_example.conf b/yaja-tester_example.conf
index 62cec8b..4d0c43f 100644
--- a/yaja-tester_example.conf
+++ b/yaja-tester_example.conf
@@ -1,8 +1,12 @@
-tlsdir = "tmp/ssl"
-state_path = "tmp/yaja-tester.json"
-logging = 5
+accounts_path = "tmp/yaja-tester.json"
+output_path = "tmp/yaja-tester-output.json"
 
-webserver = ":https"
+logging = 4
+logging_clients = 4
+logging_bots = 3
+
+interval = "30s"
+timeout = "10s"
 
 admins = ["a.admin@chat.sum7.eu"]