Merge branch 'master' of moshaorui/mtb_dcatadmin_album into stable

app/Admin/Controllers/SiteUserController.php

@@ -65,7 +65,10 @@ class SiteUserController extends AdminController
             $form->tree('permission', 'permission')
                 ->setTitleColumn('title')
                 ->exceptParentNode(false)
-                ->nodes($folderTree);
+                ->nodes($folderTree)
+                ->saving(function ($value) {
+                    return json_encode($value);
+                });
 
             $form->saving(function (Form $form) {
                 if ($form->password) {