diff --git a/dao/user.go b/dao/user.go
index a085829..2786d3d 100644
--- a/dao/user.go
+++ b/dao/user.go
@@ -2,10 +2,11 @@ package dao
 
 import (
 	"fmt"
+	"gorm.io/gorm"
 )
 
 type User struct {
-	ID         uint   `gorm:"primarykey column:id"`
+	gorm.Model
 	Name       string `gorm:"column:name"`
 	Age        int    `gorm:"column:age"`
 	Email      string `gorm:"column:email"`
diff --git a/dao/video.go b/dao/video.go
index b5fcbb8..8c4fb72 100644
--- a/dao/video.go
+++ b/dao/video.go
@@ -1,11 +1,12 @@
 package dao
 
 import (
+	"gorm.io/gorm"
 	"time"
 )
 
 type Video struct {
-	ID         uint   `gorm:"primarykey column:id"`
+	gorm.Model
 	CameraID   int    `gorm:"column:camera_id"`
 	VideoPath  string `gorm:"column:video_path"`
 	VideoName  string `gorm:"column:video_name"`