diff --git a/net/cmd.go b/net/cmd.go
index 5da128e..a5532ce 100644
--- a/net/cmd.go
+++ b/net/cmd.go
@@ -18,7 +18,7 @@ func init() {
 }
 
 var nattestc NatTesterClient
-var nettests NatTesterServer
+var nattests NatTesterServer
 
 var natc NatClient
 var nats NatServer
@@ -61,6 +61,13 @@ func init() {
 	CmdNatClient.Flags().IntVarP(&nattestc.Timeout, "timeout", "t", 2, "超时时间")
 	CmdNatClient.Flags().StringSliceVarP(&nattestc.dns, "dns", "d", nil, "自定义dns服务器")
 	Cmd.AddCommand(CmdNatClient)
+
+	CmdNatServer.Flags().StringVarP(&nattests.MainIP, "main-ip", "m", "10.0.0.5", "主IP")
+	CmdNatServer.Flags().StringVarP(&nattests.AltIP, "alt-ip", "a", "10.0.0.2", "备用IP")
+	CmdNatServer.Flags().StringVarP(&nattests.MainPort, "main-port", "M", "41127", "主端口")
+	CmdNatServer.Flags().StringVarP(&nattests.AltPort, "alt-port", "A", "46610", "备用端口")
+	CmdNatServer.Flags().StringVarP(&nattests.LogPath, "log", "l", "", "日志文件")
+	Cmd.AddCommand(CmdNatServer)
 }
 
 var CmdNatPClient = &cobra.Command{
@@ -86,8 +93,8 @@ var CmdNatPServer = &cobra.Command{
 
 var CmdNatClient = &cobra.Command{
 	Use:   "natc",
-	Short: "nat类型测试工具",
-	Long:  "基于RFC3489的nat类型测试工具",
+	Short: "nat类型测试工具 - 客户端",
+	Long:  "基于RFC3489的nat类型测试工具（客户端）",
 	Run: func(cmd *cobra.Command, args []string) {
 		if nattestc.dns != nil {
 			UseCustomeDNS(nattestc.dns)
@@ -112,6 +119,15 @@ var CmdNatClient = &cobra.Command{
 	},
 }
 
+var CmdNatServer = &cobra.Command{
+	Use:   "nats",
+	Short: "nat类型测试工具 - 服务端",
+	Long:  "基于RFC3489的nat类型测试工具（服务端）",
+	Run: func(cmd *cobra.Command, args []string) {
+		nattests.Run()
+	},
+}
+
 var CmdNetTrace = &cobra.Command{
 	Use:   "trace",
 	Short: "网络路径追踪",
diff --git a/net/nats.go b/net/nats.go
index 9fbd5c2..de37a83 100644
--- a/net/nats.go
+++ b/net/nats.go
@@ -113,31 +113,12 @@ func (n *NatTesterServer) Analyse(c *net.UDPConn, r *net.UDPAddr, cmds []string)
 	case "startnat1":
 		n.alt.WriteToUDP([]byte("stage1"), r)
 		starlog.Infof("Start NAT1 Test from %s,Recv Local:%s Send Local:%s\n", r.String(), c.LocalAddr().String(), n.alt.LocalAddr().String())
-	case "stage1recv":
-		n.maina.WriteToUDP([]byte("result::nat1"), r)
-		starlog.Infof("Recv NAT1 Test from %s,Recv Local:%s Send Local:%s\n", r.String(), c.LocalAddr().String(), n.maina.LocalAddr().String())
 	case "startnat2":
 		n.mainb.WriteToUDP([]byte("stage2"), r)
 		starlog.Infof("Start NAT2 Test from %s,Recv Local:%s Send Local:%s\n", r.String(), c.LocalAddr().String(), n.mainb.LocalAddr().String())
-	case "stage2recv":
-		n.maina.WriteToUDP([]byte("result::nat2"), r)
-		starlog.Infof("Recv NAT2 Test from %s,Recv Local:%s Send Local:%s\n", r.String(), c.LocalAddr().String(), n.maina.LocalAddr().String())
 	case "startnat3":
 		n.maina.WriteToUDP([]byte("stage3"), r)
 		starlog.Infof("Start NAT3 Test from %s,Recv Local:%s Send Local:%s\n", r.String(), c.LocalAddr().String(), n.maina.LocalAddr().String())
-	case "stage3recv":
-		n.maina.WriteToUDP([]byte("result::nat3"), r)
-		starlog.Infof("Recv NAT3 Test from %s,Recv Local:%s Send Local:%s\n", r.String(), c.LocalAddr().String(), n.maina.LocalAddr().String())
 	}
 	return nil
 }
-
-func main() {
-	server := NatTesterServer{
-		MainIP:   "10.0.0.5",
-		AltIP:    "10.0.0.2",
-		MainPort: "41127",
-		AltPort:  "46610",
-	}
-	fmt.Println(server.Run())
-}
diff --git a/net/sshjar.go b/net/sshjar.go
index 5afd872..3688298 100644
--- a/net/sshjar.go
+++ b/net/sshjar.go
@@ -5,7 +5,7 @@ import (
 	"b612.me/starlog"
 	"b612.me/starnet"
 	"crypto/elliptic"
-	"encoding/json"
+	"encoding/csv"
 	"fmt"
 	"github.com/spf13/cobra"
 	"golang.org/x/crypto/ssh"
@@ -13,15 +13,17 @@ import (
 	"os"
 	"os/signal"
 	"strings"
+	"time"
 )
 
 var (
-	listenAddr string
-	keyFile    string
-	KeyPasswd  string
-	outpath    string
-	curlUrl    string
-	curlArg    []string
+	listenAddr    string
+	keyFile       string
+	KeyPasswd     string
+	outpath       string
+	curlUrl       string
+	serverVersion string
+	curlArg       []string
 )
 
 func init() {
@@ -29,6 +31,7 @@ func init() {
 	cmdSSHJar.Flags().StringVarP(&keyFile, "key", "k", "", "私钥文件")
 	cmdSSHJar.Flags().StringVarP(&KeyPasswd, "passwd", "p", "", "私钥密码")
 	cmdSSHJar.Flags().StringVarP(&outpath, "output", "o", "", "输出文件")
+	cmdSSHJar.Flags().StringVarP(&serverVersion, "version", "v", "OpenSSH", "SSH版本")
 }
 
 var cmdSSHJar = &cobra.Command{
@@ -36,11 +39,11 @@ var cmdSSHJar = &cobra.Command{
 	Short: "SSH蜜罐",
 	Long:  "SSH蜜罐",
 	Run: func(cmd *cobra.Command, args []string) {
-		runSSHHoneyJar(listenAddr, keyFile, KeyPasswd, outpath)
+		runSSHHoneyJar(listenAddr, keyFile, KeyPasswd, outpath, serverVersion)
 	},
 }
 
-func runSSHHoneyJar(listenAddr, keyFile, KeyPasswd, outpath string) {
+func runSSHHoneyJar(listenAddr, keyFile, KeyPasswd, outpath, version string) {
 	var f *os.File
 	var err error
 	if outpath != "" {
@@ -50,16 +53,17 @@ func runSSHHoneyJar(listenAddr, keyFile, KeyPasswd, outpath string) {
 			return
 		}
 	}
+	conn := csv.NewWriter(f)
 	defer f.Close()
+	defer conn.Flush()
 	config := &ssh.ServerConfig{
+		ServerVersion: version,
 		// 密码验证回调函数
 		PasswordCallback: func(c ssh.ConnMetadata, pass []byte) (*ssh.Permissions, error) {
 			starlog.Infof("Login attempt from %s with %s %s\n", c.RemoteAddr(), c.User(), string(pass))
-			data := []string{c.RemoteAddr().String(), c.User(), string(pass)}
-			bts, _ := json.Marshal(data)
+			data := []string{time.Now().Format("2006-01-02 15:04:05"), c.RemoteAddr().String(), c.User(), string(pass)}
 			if f != nil {
-				f.Write(bts)
-				f.Write([]byte("\n"))
+				conn.Write(data)
 			}
 			if curlUrl != "" {
 				go func() {