diff --git a/internal/handler/api_login.go b/internal/handler/api_login.go
index fa77e9c..85d2225 100644
--- a/internal/handler/api_login.go
+++ b/internal/handler/api_login.go
@@ -37,7 +37,7 @@ func CheckQRCodeStatus(c *fiber.Ctx) error {
 	// 获取机器人实例
 	db := model.GetDB()
 	var robot model.Robot
-	if err = db.First(&robot, id).Error; err != nil {
+	if err = db.Where("user_id = ?", c.Locals("userId")).First(&robot, id).Error; err != nil {
 		if errors.Is(err, gorm.ErrRecordNotFound) {
 			return c.JSON(fiber.Map{
 				"success": false,
@@ -92,6 +92,9 @@ func CheckQRCodeStatus(c *fiber.Ctx) error {
 		robot.Status = model.RobotStatusOnline
 		now := time.Now()
 		robot.LastLoginAt = &now
+		if robot.FirstLoginAt == nil {
+			robot.FirstLoginAt = &now // 只有在为空的时候才记录首次登录时间
+		}
 		db.Save(&robot)
 
 		// 添加定时任务
diff --git a/internal/model/robot.go b/internal/model/robot.go
index 12a18c4..d1ad895 100644
--- a/internal/model/robot.go
+++ b/internal/model/robot.go
@@ -29,6 +29,7 @@ type Robot struct {
 	Nickname         string      `gorm:"column:nickname" json:"nickname"`
 	Avatar           string      `gorm:"column:avatar" json:"avatar"`
 	Status           RobotStatus `gorm:"column:status;default:'offline'" json:"status"`
+	FirstLoginAt     *time.Time  `gorm:"column:first_login_at" json:"first_login_at"` // 首次登录时间
 	LastLoginAt      *time.Time  `gorm:"column:last_login_at" json:"last_login_at"`
 	ErrorMessage     string      `gorm:"column:error_message" json:"error_message"`
 }