diff --git a/server/base/cfg.go b/server/base/cfg.go
index 6c31310..fba15f0 100644
--- a/server/base/cfg.go
+++ b/server/base/cfg.go
@@ -2,9 +2,11 @@ package base
 
 import (
 	"fmt"
+	"github.com/bjdgyc/anylink/pkg/utils"
 	"os"
 	"path/filepath"
 	"reflect"
+	"strings"
 )
 
 const (
@@ -123,6 +125,11 @@ func initServerCfg() {
 
 	if Cfg.JwtSecret == defaultJwt {
 		fmt.Fprintln(os.Stderr, "=== 使用默认的jwt_secret有安全风险，请设置新的jwt_secret ===")
+
+		// 安全问题，自动生成新的密钥
+		jwtSecret, _ := utils.RandSecret(40, 60)
+		jwtSecret = strings.Trim(jwtSecret, "=")
+		Cfg.JwtSecret = jwtSecret
 	}
 
 	fmt.Printf("ServerCfg: %+v \n", Cfg)
diff --git a/server/sessdata/online.go b/server/sessdata/online.go
index 8785c19..89c39d7 100644
--- a/server/sessdata/online.go
+++ b/server/sessdata/online.go
@@ -11,21 +11,22 @@ import (
 )
 
 type Online struct {
-	Token            string    `json:"token"`
-	Username         string    `json:"username"`
-	Group            string    `json:"group"`
-	MacAddr          string    `json:"mac_addr"`
-	UniqueMac        bool      `json:"unique_mac"`
-	Ip               net.IP    `json:"ip"`
-	RemoteAddr       string    `json:"remote_addr"`
-	TunName          string    `json:"tun_name"`
-	Mtu              int       `json:"mtu"`
-	Client           string    `json:"client"`
-	BandwidthUp      string    `json:"bandwidth_up"`
-	BandwidthDown    string    `json:"bandwidth_down"`
-	BandwidthUpAll   string    `json:"bandwidth_up_all"`
-	BandwidthDownAll string    `json:"bandwidth_down_all"`
-	LastLogin        time.Time `json:"last_login"`
+	Token             string    `json:"token"`
+	Username          string    `json:"username"`
+	Group             string    `json:"group"`
+	MacAddr           string    `json:"mac_addr"`
+	UniqueMac         bool      `json:"unique_mac"`
+	Ip                net.IP    `json:"ip"`
+	RemoteAddr        string    `json:"remote_addr"`
+	TransportProtocol string    `json:"transport_protocol"`
+	TunName           string    `json:"tun_name"`
+	Mtu               int       `json:"mtu"`
+	Client            string    `json:"client"`
+	BandwidthUp       string    `json:"bandwidth_up"`
+	BandwidthDown     string    `json:"bandwidth_down"`
+	BandwidthUpAll    string    `json:"bandwidth_up_all"`
+	BandwidthDownAll  string    `json:"bandwidth_down_all"`
+	LastLogin         time.Time `json:"last_login"`
 }
 
 type Onlines []Online
@@ -90,22 +91,28 @@ func GetOnlineSess(search_cate string, search_text string, show_sleeper bool) []
 		}
 
 		if show_sleeper || v.IsActive {
+			transportProtocol := "TCP"
+			dSess := cSess.GetDtlsSession()
+			if dSess != nil {
+				transportProtocol = "UDP"
+			}
 			val := Online{
-				Token:            v.Token,
-				Ip:               cSess.IpAddr,
-				Username:         v.Username,
-				Group:            v.Group,
-				MacAddr:          v.MacAddr,
-				UniqueMac:        v.UniqueMac,
-				RemoteAddr:       cSess.RemoteAddr,
-				TunName:          cSess.IfName,
-				Mtu:              cSess.Mtu,
-				Client:           cSess.Client,
-				BandwidthUp:      utils.HumanByte(cSess.BandwidthUpPeriod.Load()) + "/s",
-				BandwidthDown:    utils.HumanByte(cSess.BandwidthDownPeriod.Load()) + "/s",
-				BandwidthUpAll:   utils.HumanByte(cSess.BandwidthUpAll.Load()),
-				BandwidthDownAll: utils.HumanByte(cSess.BandwidthDownAll.Load()),
-				LastLogin:        v.LastLogin,
+				Token:             v.Token,
+				Ip:                cSess.IpAddr,
+				Username:          v.Username,
+				Group:             v.Group,
+				MacAddr:           v.MacAddr,
+				UniqueMac:         v.UniqueMac,
+				RemoteAddr:        cSess.RemoteAddr,
+				TransportProtocol: transportProtocol,
+				TunName:           cSess.IfName,
+				Mtu:               cSess.Mtu,
+				Client:            cSess.Client,
+				BandwidthUp:       utils.HumanByte(cSess.BandwidthUpPeriod.Load()) + "/s",
+				BandwidthDown:     utils.HumanByte(cSess.BandwidthDownPeriod.Load()) + "/s",
+				BandwidthUpAll:    utils.HumanByte(cSess.BandwidthUpAll.Load()),
+				BandwidthDownAll:  utils.HumanByte(cSess.BandwidthDownAll.Load()),
+				LastLogin:         v.LastLogin,
 			}
 			datas = append(datas, val)
 		}
diff --git a/version b/version
index e96a871..d61567c 100644
--- a/version
+++ b/version
@@ -1 +1 @@
-0.12.2
\ No newline at end of file
+0.12.3
\ No newline at end of file
diff --git a/web/src/pages/user/Online.vue b/web/src/pages/user/Online.vue
index 2ba25ad..d3a2b49 100644
--- a/web/src/pages/user/Online.vue
+++ b/web/src/pages/user/Online.vue
@@ -99,7 +99,10 @@
             prop="remote_addr"
             label="远端地址">
         </el-table-column>
-
+        <el-table-column
+            prop="transport_protocol"
+            label="传输协议">
+        </el-table-column>
         <el-table-column
             prop="tun_name"
             label="虚拟网卡">