diff --git a/iot/device-iot.go b/iot/device-iot.go
index 919e321..b7fa287 100644
--- a/iot/device-iot.go
+++ b/iot/device-iot.go
@@ -31,7 +31,7 @@ const (
 // 注册设备到对应分组内。
 //
 // 注册设备时首先会将设备添加到平台，然后异步同步设备通道。如果设备添加成功而同步设备通道失败，则可以先获取设备列表信息，再手动调用通道同步接口同步设备下的通道。\
-func DeivceRegister(deviceserial, groupno, validatecode string) (*model.DeviceData, error) {
+func DeviceRegister(deviceserial, groupno, validatecode string) (*model.DeviceData, error) {
 
 	req := &struct {
 		DeviceSerial string `json:"deviceSerial"` //设备序列号
@@ -63,7 +63,7 @@ func DeivceRegister(deviceserial, groupno, validatecode string) (*model.DeviceDa
 }
 
 // 从某一分组内删除设备
-func DeivceDelete(deviceSerial string) (*model.Hikvision, error) {
+func DeviceDelete(deviceSerial string) (*model.Hikvision, error) {
 	resp, err := hikvisionRequest("POST", fmt.Sprintf("%s?deviceSerial=%s", ACCESS_DELETE, deviceSerial), nil)
 	if err != nil {
 		return nil, err
@@ -80,7 +80,7 @@ func DeivceDelete(deviceSerial string) (*model.Hikvision, error) {
 }
 
 // 该接口用于修改设备名称
-func DeivceUpdate(deviceserial, devicename string) (*model.Hikvision, error) {
+func DeviceUpdate(deviceserial, devicename string) (*model.Hikvision, error) {
 
 	req := &struct {
 		DeviceSerial string `json:"deviceSerial"` //设备序列号
@@ -106,7 +106,7 @@ func DeivceUpdate(deviceserial, devicename string) (*model.Hikvision, error) {
 }
 
 // 该接口用于根据设备序列号获取单个设备详细信息
-func DeivceDetail(deviceSerial string) (*model.DeviceData, error) {
+func DeviceDetail(deviceSerial string) (*model.DeviceData, error) {
 	resp, err := hikvisionRequest("GET", fmt.Sprintf("%s?deviceSerial=%s", ACCESS_DETAIL, deviceSerial), nil)
 	if err != nil {
 		return nil, err
@@ -126,7 +126,7 @@ func DeivceDetail(deviceSerial string) (*model.DeviceData, error) {
 }
 
 // 该接口用于查询某组下设备列表信息 ,组编号，页数，页行数
-func DeivceList(groupno string, pageno, pagesize int) (*model.DeivceListData, error) {
+func DeviceList(groupno string, pageno, pagesize int) (*model.DeviceListData, error) {
 	url := fmt.Sprintf("%s?groupNo=%s&pageNo=%d&pageSize=%d", ACCESS_LIST, groupno, pageno, pagesize)
 	resp, err := hikvisionRequest("GET", url, nil)
 	if err != nil {
@@ -134,7 +134,7 @@ func DeivceList(groupno string, pageno, pagesize int) (*model.DeivceListData, er
 	}
 	var result = &struct {
 		model.Hikvision
-		Data model.DeivceListData `json:"data"`
+		Data model.DeviceListData `json:"data"`
 	}{}
 	if err := json.Unmarshal(resp, &result); err != nil {
 		return nil, err
@@ -147,7 +147,7 @@ func DeivceList(groupno string, pageno, pagesize int) (*model.DeivceListData, er
 }
 
 // 该接口用于获取用户接入的设备总数
-func DeivceNum() (*int, error) {
+func DeviceNum() (*int, error) {
 
 	resp, err := hikvisionRequest("GET", ACCESS_ACCOUNT, nil)
 	if err != nil {
@@ -170,7 +170,7 @@ func DeivceNum() (*int, error) {
 }
 
 // 该接口用于查询设备的状态信息，目前仅支持萤石设备 /*测试未通过*/
-func DeivceStatus(deviceserial string) (*model.DeivceStatusData, error) {
+func DeviceStatus(deviceserial string) (*model.DeviceStatusData, error) {
 
 	resp, err := hikvisionRequest("GET", fmt.Sprintf("%s?deviceSerial=%s", ACCESS_STATUS, deviceserial), nil)
 	if err != nil {
@@ -178,7 +178,7 @@ func DeivceStatus(deviceserial string) (*model.DeivceStatusData, error) {
 	}
 	var result = &struct {
 		model.Hikvision
-		Data model.DeivceStatusData `json:"data"`
+		Data model.DeviceStatusData `json:"data"`
 	}{}
 	if err := json.Unmarshal(resp, &result); err != nil {
 		return nil, err
@@ -191,7 +191,7 @@ func DeivceStatus(deviceserial string) (*model.DeivceStatusData, error) {
 }
 
 // 该接口用于重启设备，请谨慎操作
-func DeivceReboot(deviceserial string) (*model.Hikvision, error) {
+func DeviceReboot(deviceserial string) (*model.Hikvision, error) {
 	params := &struct {
 		DeviceSerial string `json:"deviceSerial"`
 	}{
@@ -223,8 +223,8 @@ func DeivceReboot(deviceserial string) (*model.Hikvision, error) {
 注册设备接口返回内容code=60058时，需要进行设备确权操作。
 */
 
-// 下线确认
-func DeivceOffline(deviceserial string) (*model.Hikvision, error) {
+// 下线确认   errcode:20002003 errmsg:离线失败
+func DeviceOffline(deviceserial string) (*model.Hikvision, error) {
 
 	resp, err := hikvisionRequest("GET", fmt.Sprintf("https://api2.hik-cloud.com/v1/carrier/wing/endpoint/confirm/right/offlineconfirm?deviceSerial=%s", deviceserial), nil)
 	if err != nil {
@@ -242,7 +242,7 @@ func DeivceOffline(deviceserial string) (*model.Hikvision, error) {
 }
 
 // 上线线确认
-func DeivceOnline(deviceserial string) (*model.Hikvision, error) {
+func DeviceOnline(deviceserial string) (*model.Hikvision, error) {
 
 	resp, err := hikvisionRequest("GET", fmt.Sprintf("https://api2.hik-cloud.com/v1/carrier/wing/endpoint/confirm/right/onlineconfirm?deviceSerial=%s", deviceserial), nil)
 	if err != nil {
@@ -374,7 +374,7 @@ func DeviceGetNTPServerCfg(deviceserial string, ntpserverid int) (*model.DeviceS
 }
 
 // 该接口用于配置设备指定NTP服务器参数
-func DeviceSetNTPServerCfg(req model.DeviceSetNTPServerCfgReq) (*model.Hikvision, error) {
+func DeviceSetNTPServerCfg(req *model.DeviceSetNTPServerCfgReq) (*model.Hikvision, error) {
 	resp, err := hikvisionRequest("POST", TIM_NTPSERVER_CFG, req)
 	if err != nil {
 		return nil, err
diff --git a/iot/group-iot.go b/iot/group-iot.go
index 7510d5e..b5c4398 100644
--- a/iot/group-iot.go
+++ b/iot/group-iot.go
@@ -14,7 +14,7 @@ import (
 const (
 	/*设备分组管理*/
 	GROUP_BASE       = "https://api2.hik-cloud.com/api/v1/open/basic/groups"
-	GROUP_ADD        = GROUP_BASE + "/create"
+	GROUP_CREATE     = GROUP_BASE + "/create"
 	GROUP_REMOVE     = GROUP_BASE + "/delete"
 	GROUP_UPDATE     = GROUP_BASE + "/update"
 	GROUP_DETAIL     = GROUP_BASE + "/get"
@@ -23,7 +23,7 @@ const (
 )
 
 // 该接口用于通过编号来新增组。最多支持3000个组，最多支持5层嵌套。
-func GroupAdd(groupname, groupno, parentno string) (*model.Hikvision, error) {
+func GroupCreate(groupname, groupno, parentno string) (*model.Hikvision, error) {
 
 	req := &struct {
 		GroupName string `json:"groupName"` //组名称
@@ -35,7 +35,7 @@ func GroupAdd(groupname, groupno, parentno string) (*model.Hikvision, error) {
 		ParentNo:  parentno,
 	}
 
-	resp, err := hikvisionRequest("POST", GROUP_ADD, req)
+	resp, err := hikvisionRequest("POST", GROUP_CREATE, req)
 	if err != nil {
 		return nil, err
 	}
diff --git a/iot/model/device-model.go b/iot/model/device-model.go
index 4750cc0..3c7b8ef 100644
--- a/iot/model/device-model.go
+++ b/iot/model/device-model.go
@@ -13,14 +13,14 @@ type DeviceData struct {
 	DeviceVersion string `json:"deviceVersion"`
 }
 
-type DeivceListData struct {
+type DeviceListData struct {
 	PageNo   int          `json:"pageNo"`
 	PageSize int          `json:"pageSize"`
 	Total    int          `json:"total"`
 	Rows     []DeviceData `json:"rows"`
 }
 
-type DeivceStatusData struct {
+type DeviceStatusData struct {
 	PrivacyStatus  int    `json:"privacyStatus"`
 	PirStatus      int    `json:"pirStatus"`
 	AlarmSoundMode int    `json:"alarmSoundMode"`
diff --git a/iot/oauth_test.go b/iot/oauth_test.go
index be2a8f0..1d2dd92 100644
--- a/iot/oauth_test.go
+++ b/iot/oauth_test.go
@@ -1,14 +1,88 @@
 package iot
 
 import (
-	"encoding/base64"
 	"fmt"
 	"log"
-	"os"
 	"testing"
 )
 
 func TestOauth(t *testing.T) {
+	// g1, err := GroupGetAll()
+	// if err != nil {
+	// 	log.Println(err)
+	// 	return
+	// }
+
+	// fmt.Println(g1)
+
+	data, err := GroupDetail("02")
+	if err != nil {
+		log.Println(err)
+		return
+	}
+
+	fmt.Println(data)
+	// data, err := DeviceRegister("AF8534579", "02", "213222")
+	// if err != nil {
+	// 	log.Println(err)
+	// 	return
+	// }
+
+	// fmt.Println(data)
+
+	// result, err := DeviceSetNTPCfg("AF8534579", &model.DeviceSetNTPCfgServer{
+	// 	Id:                   "1",
+	// 	AddressingFormatType: "hostname",
+	// 	HostName:             "time.ys7.com",
+	// 	IpAddress:            "",
+	// 	PortNo:               123,
+	// 	SynchronizeInterval:  60,
+	// })
+	// if err != nil {
+	// 	log.Println(err)
+	// 	return
+	// }
+	// fmt.Println(*result)
+	// q, err := DeviceSetNTPServerCfg(&model.DeviceSetNTPServerCfgReq{
+	// 	DeviceSerial: "AF8534579",
+	// 	NtpServerID:  1,
+	// 	NtpServer: model.DeviceSetNTPCfgServer{
+	// 		Id:                   "1",
+	// 		AddressingFormatType: "hostname",
+	// 		HostName:             "time.ys7.com",
+	// 		IpAddress:            "",
+	// 		PortNo:               123,
+	// 		SynchronizeInterval:  60,
+	// 	},
+	// })
+	// if err != nil {
+	// 	log.Println(err)
+	// 	return
+	// }
+
+	// res, err := DeviceGetNTPServerCfg("AF8534579", 1)
+
+	// fmt.Println(res)
+	// fmt.Println(q)
+}
+
+/*
+
+result, err := CardCreate([]model.CardCreateReq{{
+		CardNo:     "004",
+		CardType:   "normalCard",
+		EmployeeNo: "02",
+	}, {
+		CardNo:     "005",
+		CardType:   "normalCard",
+		EmployeeNo: "02",
+	}})
+	if err != nil {
+		log.Fatal(err.Error())
+	}
+
+	fmt.Println("person ", result)
+
 	imgfile, err := os.ReadFile("../image.jpg")
 	if err != nil {
 		log.Fatal(err.Error())
@@ -31,7 +105,7 @@ func TestOauth(t *testing.T) {
 	if err != nil {
 		log.Fatal(err)
 	}
-	fmt.Println("r ", r)
-	fmt.Println("p ", p)
-	fmt.Println("person ", person)
-}
+	fmt.Println(r)
+	fmt.Println(p)
+	fmt.Println(person)
+*/