diff --git a/broker/client.go b/broker/client.go
index 556afbe2..09dede65 100644
--- a/broker/client.go
+++ b/broker/client.go
@@ -150,7 +150,7 @@ func ProcessMessage(msg *Message) {
 	if ca == nil {
 		return
 	}
-	log.Debug("Recv message from client,  ID = ", zap.String("ClientID", c.info.clientID))
+	log.Debug("Recv message from client,", zap.String("ClientID", c.info.clientID))
 	switch ca.(type) {
 	case *packets.ConnackPacket: