diff --git a/netcard.go b/netcard.go
index a69c0b9..1387dc2 100644
--- a/netcard.go
+++ b/netcard.go
@@ -16,6 +16,7 @@ import (
 	"sync/atomic"
 	"time"
 
+	"github.com/klauspost/compress/zstd"
 	"github.com/songgao/packets/ethernet"
 	"github.com/songgao/water"
 	"github.com/songgao/water/waterutil"
@@ -97,14 +98,14 @@ func (cli *RPCClient) run() {
 		}
 
 		// 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{
@@ -259,14 +260,14 @@ func (nc *NetCard) runWrite() {
 		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)
-		// }
+		var zdec *zstd.Decoder
+		zdec, err = zstd.NewReader(buf)
+		if err != nil {
+			log.Panic(err)
+		}
+		zdec.Close()
 
-		// zdec.Close()
-
-		dec := gob.NewDecoder(buf)
+		dec := gob.NewDecoder(zdec)
 		var bufs [][]byte
 		err = dec.Decode(&bufs)
 		if err != nil {