diff --git a/app/Models/BaseModel.php b/app/Models/BaseModel.php
index 4a5a153..e55ea3f 100644
--- a/app/Models/BaseModel.php
+++ b/app/Models/BaseModel.php
@@ -1,28 +1,27 @@
 <?php
 
 namespace App\Models;
+use Dcat\Admin\Traits\HasDateTimeFormatter;
+use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Database\Eloquent\Model;
 
 class BaseModel extends Model
 {
+	use HasDateTimeFormatter;
+
 	protected $dateFormat = 'U';
 	protected $host = '';
 
-	public function __construct(array $attributes = [])
-	{
-		parent::__construct($attributes);
-		$this->host = env('APP_URL');
-	}
-
-	# 不转换时间戳，若使用getUpdatedAtColumn，则不能自动写入时间戳
-    public function getUpdatedAtAttribute($value)
+	protected static function booted()
 	{
-    	return strtotime($value);
+		static::addGlobalScope('orderById', function (Builder $builder) {
+			$builder->orderBy((new static())->getTable().'.id', 'desc');
+		});
 	}
 
-    # 不转换时间戳，若使用getUpdatedAtColumn，则不能自动写入时间戳
-    public function getCreatedAtAttribute($value)
+	public function __construct(array $attributes = [])
 	{
-		return strtotime($value);
+		parent::__construct($attributes);
+		$this->host = env('APP_URL');
 	}
 }