diff --git a/app/Admin/Services/BaseService.php b/app/Admin/Services/BaseService.php
index 14b11eb..bac6f16 100644
--- a/app/Admin/Services/BaseService.php
+++ b/app/Admin/Services/BaseService.php
@@ -2,6 +2,7 @@
 
 namespace App\Admin\Services;
 
+use Illuminate\Database\Eloquent\Model;
 use Slowlyo\OwlAdmin\Services\AdminService;
 
 /**
@@ -80,7 +81,7 @@ class BaseService extends AdminService
     {
         $data = $this->resloveData($data);
         $model = $this->query()->whereKey($primaryKey)->firstOrFail();
-        $validate = $this->validate($data, $model->id);
+        $validate = $this->validate($data, $model);
         if ($validate !== true) {
             $this->setError($validate);
             return false;
@@ -115,10 +116,10 @@ class BaseService extends AdminService
      * 表单验证
      * 
      * @param array $data
-     * @param int $id 空: 添加, 非空: 修改
+     * @param Model $model 空: 添加, 非空: 修改
      * @return mixed true: 验证通过, string: 错误提示
      */
-    public function validate($data, $id = null)
+    public function validate($data, $model = null)
     {
         return true;
     }