diff --git a/device.go b/device.go
index 093d0aa..2257458 100644
--- a/device.go
+++ b/device.go
@@ -94,7 +94,7 @@ func (cli *RPCClient) run() {
 		// 	log.Println(err)
 		// }
 
-		log.Printf("%v %d", cliBuffer, len(buf.Bytes()))
+		log.Printf("send to target bytes: %d", len(buf.Bytes()))
 		// 发到对面的网卡
 		err = stream.Send(&gen.Request{
 			Frames: buf.Bytes(),
@@ -257,7 +257,7 @@ func (nc *NetCard) runWrite() {
 			log.Panic(err)
 		}
 
-		log.Printf("get wframes len: %d", len(bufs))
+		log.Printf("get wframes decode len: %d", len(bufs))
 
 		for _, buf := range bufs {
 			_, err := ifce.Write(buf)