diff --git a/src/Service.php b/src/Service.php
index 049856a..c5ffda4 100644
--- a/src/Service.php
+++ b/src/Service.php
@@ -26,6 +26,7 @@ use Hyperf\DbConnection\Db;
  */
 abstract class Service
 {
+    protected ?Validator $validator = null;
     protected array $search = [];
 
     protected array $ignoreSearchFields = [];
@@ -50,7 +51,7 @@ abstract class Service
      */
     public function create(array $data): mixed
     {
-        $this->validator->scene('create', $data)->check();
+        $this->validator?->scene('create', $data)->check();
         return $this->repository->create($data);
     }
 
@@ -59,7 +60,7 @@ abstract class Service
      */
     public function save(array $data): mixed
     {
-        $this->validator->scene('create', $data)->check();
+        $this->validator?->scene('create', $data)->check();
         return $this->create($data);
     }
 
@@ -69,7 +70,7 @@ abstract class Service
     public function updateById(mixed $id, array $data): mixed
     {
         // 数据验证
-        $this->validator->scene('update', $data)->check();
+        $this->validator?->scene('update', $data)->check();
         return $this->repository->updateById($id, $data);
     }
 
@@ -153,7 +154,7 @@ abstract class Service
         $this->checkResourceExists($resource);
 
         // 数据验证
-        $this->validator->scene('update', $data)->check();
+        $this->validator?->scene('update', $data)->check();
 
         // 钩子：处理更新时的特殊逻辑（如禁止自身为父级）
         $this->handleUpdateSpecialLogic($id, $data);