diff --git a/netcard.go b/netcard.go
index ffa9096..a69c0b9 100644
--- a/netcard.go
+++ b/netcard.go
@@ -16,7 +16,6 @@ import (
 	"sync/atomic"
 	"time"
 
-	"github.com/klauspost/compress/zstd"
 	"github.com/songgao/packets/ethernet"
 	"github.com/songgao/water"
 	"github.com/songgao/water/waterutil"
@@ -92,21 +91,20 @@ func (cli *RPCClient) run() {
 		cliBuffer := <-cli.FrameChan
 
 		log.Printf("send to target %s source bytes: %d", waterutil.IPv4Destination(cliBuffer.BytesArray[0]), len(cliBuffer.BytesArray[0]))
-
 		err := enc.Encode(cliBuffer.BytesArray)
 		if err != nil {
 			log.Panic(err)
 		}
 
 		// zstd compress
-		zenc, err := zstd.NewWriter(buf)
-		if err != nil {
-			log.Panic(err)
-		}
-		err = zenc.Flush()
-		if err != nil {
-			log.Println(err)
-		}
+		// zenc, err := zstd.NewWriter(buf)
+		// if err != nil {
+		// 	log.Panic(err)
+		// }
+		// err = zenc.Flush()
+		// if err != nil {
+		// 	log.Println(err)
+		// }
 
 		// 发到对面的网卡
 		err = stream.Send(&gen.Request{
@@ -254,27 +252,27 @@ func (nc *NetCard) runRead() {
 
 func (nc *NetCard) runWrite() {
 	var ifce *water.Interface = nc.ifce
-	// var err error
+	var err error
 
 	for wframe := range nc.FrameChan {
 
 		log.Printf("get wframes bytes len: %d", len(wframe))
 		var buf = bytes.NewBuffer(wframe)
 
+		// zdec, err := zstd.NewReader(buf)
+		// if err != nil {
+		// 	log.Panic(err)
+		// }
+
+		// zdec.Close()
+
 		dec := gob.NewDecoder(buf)
 		var bufs [][]byte
-		err := dec.Decode(&bufs)
+		err = dec.Decode(&bufs)
 		if err != nil {
 			log.Panic(err)
 		}
 
-		zdec, err := zstd.NewReader(buf)
-		if err != nil {
-			log.Panic(err)
-		}
-
-		zdec.Close()
-
 		for _, buf := range bufs {
 			h := md5.New()
 			h.Write(buf)