diff --git a/server/app/common/model/AssetUserResource.php b/server/app/common/model/AssetUserResource.php
index 145bb281..60661a77 100644
--- a/server/app/common/model/AssetUserResource.php
+++ b/server/app/common/model/AssetUserResource.php
@@ -1,7 +1,8 @@
 <?php
 namespace app\common\model;
+use think\model\Pivot;
 
-class AssetUserResource extends BaseModel
+class AssetUserResource extends Pivot
 {
     protected $name = 'asset_user_resource';
     protected $autoWriteTimestamp = 'create_time';