diff --git a/app/services/system/SystemDeptService.php b/app/services/system/SystemDeptService.php
index 10f56c06d4a4f4aad29d4b9f8f5b9b19c6c4c9d5..468387b56cfd047e8fab59fffa2ecadeb1387398 100644
--- a/app/services/system/SystemDeptService.php
+++ b/app/services/system/SystemDeptService.php
@@ -13,7 +13,8 @@
 namespace app\services\system;
 
 use app\dao\system\SystemDeptDao;
-use app\model\tp\system\SystemDept;
+use app\model\tp\system\SystemDept as TpSystemDept;
+use app\model\la\system\SystemDept as LaSystemDept;
 use madong\basic\BaseService;
 use madong\exception\AdminException;
 use support\Container;
@@ -89,9 +90,9 @@ class SystemDeptService extends BaseService
      *
      * @param $id
      *
-     * @return \app\model\tp\system\SystemDept|null
+     * @return TpSystemDept | LaSystemDept
      */
-    public function get($id): ?SystemDept
+    public function get($id)
     {
         $model = $this->dao->get($id, ['*'], ['leader']);
         if (!empty($model)) {
diff --git a/madong/basic/BaseLaORMModel.php b/madong/basic/BaseLaORMModel.php
index 2114618f53002f018182102704485c6f786151a7..30287de0c8f1e6e9ce20c93e730dba6db6e6f4a3 100644
--- a/madong/basic/BaseLaORMModel.php
+++ b/madong/basic/BaseLaORMModel.php
@@ -117,7 +117,7 @@ class BaseLaORMModel extends Model
      */
     public function getData(string $field): mixed
     {
-        return $this->attributes[$field] ?? null;
+        return $this->{$field}??null;
     }
 
     /**