diff --git a/LoRaMoteConf.json b/LoRaMoteConf.json
index e8a8dc0..db666f3 100644
--- a/LoRaMoteConf.json
+++ b/LoRaMoteConf.json
@@ -3,13 +3,13 @@
 	"configs": {
 		"mote1": {
 			"otaa": true,
-			"gatewayEui": "0102030405060708",
-			"appEui": "0102030405060708",
-			"devEui": "b92fd5d497cfcdbd",
-			"devAddr": "01c6f8db",
-			"appKey": "fe80c1f94e6cc62d5d6f72630b43c177",
-			"nwkSKey": "953f0cc2031d5fa30a6bb3bdc7e61fb8",
-			"appSKey": "3361732618283cc6097d564b83c257ca",
+			"gatewayEui": "819dc403b3bb8bf7",
+			"appEui": "7fe62e3c77ac72f5",
+			"devEui": "189514bef70e7e83",
+			"devAddr": "b99115f5",
+			"appKey": "0f23b930b1b8a6be4e09ba1b33736835",
+			"nwkSKey": "cbc53a0c740c34cc5f194546c1df23ef",
+			"appSKey": "b5954d98f317617dd5f27cae16e8354d",
 			"fCnt": 14,
 			"fPort": 2,
 			"freq": 470.3,
diff --git a/LoRaMoteMock.go b/LoRaMoteMock.go
index 124dfb6..6decd3f 100644
--- a/LoRaMoteMock.go
+++ b/LoRaMoteMock.go
@@ -299,13 +299,13 @@ func (mw *MoteMainWindow) MoteConfig() {
 		},
 		DefaultButton: &acceptPB,
 		CancelButton:  &cancelPB,
-		MinSize: Size{400, 200},
+		MinSize: Size{420, 400},
 		Children: []Widget{
 			TabWidget{
 				Pages:[]TabPage{
 					{
 						Title:"基础配置",
-						Layout:Grid{Columns: 2},
+						Layout:Grid{Columns: 3},
 						Children:[]Widget{
 							Label{Text: "配置名称:"},
 							ComboBox{AssignTo: &name,Editable: true, OnCurrentIndexChanged: func() {
@@ -313,6 +313,7 @@ func (mw *MoteMainWindow) MoteConfig() {
 								mw.currentMoteConf = mw.motesConf.Configs[mw.motesConf.Current]
 								_ = db.Reset()
 							}},
+							HSpacer{},
 							Label{Text:"入网方式:"},
 							Composite{
 								Layout: HBox{},
@@ -321,7 +322,7 @@ func (mw *MoteMainWindow) MoteConfig() {
 										mw.currentMoteConf.OTAA = otaa.Checked()
 										_ = db.Reset()
 									}},
-									CheckBox{AssignTo:&join,Text:"是否重新入网",Enabled:Bind("OTAA"),OnCheckStateChanged: func() {
+									CheckBox{AssignTo:&join,Text:"重新入网",Enabled:Bind("OTAA"),OnCheckStateChanged: func() {
 										if mw.currentMoteConf.OTAA && join.Checked() {
 											mw.currentMoteConf.DevAddr = ""
 											mw.currentMoteConf.NwkSKey = ""
@@ -332,23 +333,52 @@ func (mw *MoteMainWindow) MoteConfig() {
 									}},
 								},
 							},
-
+							HSpacer{},
 							Label{Text:"网关EUI:"},
 							LineEdit{Text:Bind("GatewayEui",Regexp{Pattern:"^[0-9a-fA-F]{16,16}$"})},
+							PushButton{Text:"随机",OnClicked: func() {
+								mw.currentMoteConf.GatewayEui = GetRandomHexString(16)
+								_ = db.Reset()
+							}},
 							Label{Text:"应用EUI:",Visible:Bind("OTAA")},
 							LineEdit{Text:Bind("AppEui"),Visible:Bind("OTAA")},
+							PushButton{Text:"随机",Visible:Bind("OTAA"),OnClicked: func() {
+								mw.currentMoteConf.AppEui = GetRandomHexString(16)
+								_ = db.Reset()
+							}},
 							Label{Text:"终端EUI:"},
 							LineEdit{Text:Bind("DevEui",Regexp{Pattern:"^[0-9a-fA-F]{16,16}$"})},
+							PushButton{Text:"随机",OnClicked: func() {
+								mw.currentMoteConf.DevEui = GetRandomHexString(16)
+								_ = db.Reset()
+							}},
 							Label{Text:"应用秘钥:",Visible:Bind("OTAA")},
 							LineEdit{Text:Bind("AppKey"),Visible:Bind("OTAA")},
+							PushButton{Text:"随机",Visible:Bind("OTAA"),OnClicked: func() {
+								mw.currentMoteConf.AppKey = GetRandomHexString(32)
+								_ = db.Reset()
+							}},
 							Label{Text:"终端地址:"},
 							LineEdit{Text:Bind("DevAddr"),ReadOnly:Bind("OTAA")},
+							PushButton{Text:"随机",OnClicked: func() {
+								mw.currentMoteConf.DevAddr = GetRandomHexString(8)
+								_ = db.Reset()
+							}},
 							Label{Text:"网络会话秘钥:"},
 							LineEdit{Text:Bind("NwkSKey"),ReadOnly:Bind("OTAA")},
+							PushButton{Text:"随机",OnClicked: func() {
+								mw.currentMoteConf.NwkSKey = GetRandomHexString(32)
+								_ = db.Reset()
+							}},
 							Label{Text:"应用会话秘钥:"},
 							LineEdit{Text:Bind("AppSKey"),ReadOnly:Bind("OTAA")},
+							PushButton{Text:"随机",OnClicked: func() {
+								mw.currentMoteConf.AppSKey = GetRandomHexString(32)
+								_ = db.Reset()
+							}},
 							Label{Text:"上行计数:"},
 							NumberEdit{Value:Bind("FCnt")},
+							HSpacer{},
 						},
 					},
 					{
diff --git a/utils.go b/utils.go
index 2eb62a8..2d2ffc6 100644
--- a/utils.go
+++ b/utils.go
@@ -14,6 +14,17 @@ import (
 	"time"
 )
 
+func GetRandomHexString(length int) string{
+	str := "0123456789abcdef"
+	bytes := []byte(str)
+	result := []byte{}
+	r := rand.New(rand.NewSource(time.Now().UnixNano()))
+	for i := 0; i < length; i++ {
+		result = append(result, bytes[r.Intn(len(bytes))])
+	}
+	return string(result)
+}
+
 func BytesToString(b []byte) string {
 	_,err := syscall.UTF16FromString(string(b))
 	if err == nil {