diff --git a/catch/permissions/controller/Role.php b/catch/permissions/controller/Role.php
index 0a4c384..c7b384e 100644
--- a/catch/permissions/controller/Role.php
+++ b/catch/permissions/controller/Role.php
@@ -97,7 +97,7 @@ class Role extends CatchController
         }
         if (!empty($request->param('departments'))) {
             $role->detachDepartments();
-            $role->attach($request->param('departments'));
+            $role->attachDepartments($request->param('departments'));
         }
         return CatchResponse::success();
     }
diff --git a/catch/permissions/model/HasPermissionsTrait.php b/catch/permissions/model/HasPermissionsTrait.php
new file mode 100644
index 0000000..006cf1e
--- /dev/null
+++ b/catch/permissions/model/HasPermissionsTrait.php
@@ -0,0 +1,10 @@
+<?php
+/**
+ * @filename  HasPermissionsTrait.php
+ * @createdAt 2020/1/14
+ * @project  https://github.com/yanwenwu/catch-admin
+ * @document http://doc.catchadmin.com
+ * @author   JaguarJack <njphper@gmail.com>
+ * @copyright By CatchAdmin
+ * @license  https://github.com/yanwenwu/catch-admin/blob/master/LICENSE.txt
+ */