diff --git a/api/user.go b/api/user.go
index becf2a8..7d32612 100644
--- a/api/user.go
+++ b/api/user.go
@@ -23,6 +23,7 @@ type User struct {
 type LoginRequestParams struct {
 	Username string `form:"username" json:"username" uri:"username" xml:"username" binding:"required"`
 	Password string `form:"password" json:"password" uri:"password" xml:"password" binding:"required"`
+	DeviceId string `form:"device_id" json:"device_id" uri:"device_id" xml:"device_id" binding:"required"`
 }
 
 type RegisterRequestParams struct {
@@ -69,6 +70,8 @@ func (*User) Login(ctx *gin.Context) {
 	ProfileService.UpdateAccount(loginResp.UserId, &models.Profile{
 		LoginStatus: 1,
 	})
+	// 登录成功之后查看设备是否是当前设备
+	DeviceService := services.InitDeviceService()
 	ctx.JSON(http.StatusOK, gin.H{
 		"code": 200,
 		"msg":  "登录成功",
diff --git a/models/device.go b/models/device.go
new file mode 100644
index 0000000..e4d69fa
--- /dev/null
+++ b/models/device.go
@@ -0,0 +1,25 @@
+package models
+
+import "time"
+
+type Device struct {
+	ID              int64     `gorm:"id;primary_key"`
+	UserId          int64     `gorm:"user_id"`
+	DeviceUid       string    `gorm:"device_uid"`
+	Token           string    `gorm:"token"`
+	Hostname        string    `gorm:"hostname"`
+	Platform        string    `gorm:"platform"`
+	PlatformVersion string    `gorm:"platform_version"`
+	Mac             string    `gorm:"mac"`
+	Cpu             string    `gorm:"cpu"`
+	Mem             string    `gorm:"mem"`
+	Disk            string    `gorm:"disk"`
+	LoginStatus     int       `gorm:"login_status"` // 1: 已登录, 0: 未登录
+	CreatedAt       time.Time `gorm:"created_at;type:timestamptz"`
+	UpdatedAt       time.Time `gorm:"updated_at;type:timestamptz"`
+}
+
+// 实现 TableName 方法指定表名
+func (Device) TableName() string {
+	return "gd_Device"
+}
diff --git a/services/device_service.go b/services/device_service.go
new file mode 100644
index 0000000..8b38863
--- /dev/null
+++ b/services/device_service.go
@@ -0,0 +1,63 @@
+package services
+
+import (
+	"go-desk-service/libs"
+	"go-desk-service/models"
+	"time"
+
+	"gorm.io/gorm"
+)
+
+type DeviceService struct {
+	db *gorm.DB
+}
+
+func InitDeviceService() *DeviceService {
+	db := libs.GetDB()
+	return &DeviceService{
+		db: db,
+	}
+}
+
+func (d *DeviceService) Create(device *models.Device) bool {
+	device.CreatedAt = time.Now()
+	device.UpdatedAt = time.Now()
+	d.db.Create(device)
+	return true
+}
+
+func (d *DeviceService) GetByUserIdAndDeviceUid(userId int64, deviceUid string) (*models.Device, error) {
+	var device models.Device
+	err := d.db.Model(&models.Device{}).Where("user_id = ? AND device_uid = ?", userId, deviceUid).First(&device).Error
+	if err != nil {
+		return nil, err
+	}
+	return &device, nil
+}
+
+func (d *DeviceService) Update(device *models.Device) bool {
+	device.UpdatedAt = time.Now()
+	d.db.Model(&models.Device{}).Where("id = ?", device.ID).Updates(device)
+	return true
+}
+
+func (d *DeviceService) GetInfoByToken(token string) (*models.Device, error) {
+	var device models.Device
+	err := d.db.Model(&models.Device{}).Where("token = ?", token).First(&device).Error
+	if err != nil {
+		return nil, err
+	}
+	return &device, nil
+}
+
+func (d *DeviceService) GetUserLoginStatus(userId int64) (int, error) {
+	var count int64
+	err := d.db.Model(&models.Device{}).Where("user_id = ? AND login_status = ?", userId, 1).Count(&count).Error
+	if err != nil {
+		return 0, err
+	}
+	if count > 0 {
+		return 1, nil // 用户已登录
+	}
+	return 0, nil // 用户未登录
+}