diff --git a/application/admin/controller/posts/Sites.php b/application/admin/controller/posts/Sites.php
index 59cd6080..77f9881a 100644
--- a/application/admin/controller/posts/Sites.php
+++ b/application/admin/controller/posts/Sites.php
@@ -241,7 +241,7 @@ class Sites extends Backend
             $site_id = $this->request->post('site_id');
             $result['lang'] = Seven::build_langs('row[lang]', null, ['siteid' => $site_id]);
             $result['list'] = [];
-            $list = model('channel')->where('site_id', $site_id)->field('id,pid,type,name')->select();
+            $list = model('channel')->where('site_id', $site_id)->field('id,pid,type,model,name')->select();
             if ($list) {
                 $tree = \fast\Tree::instance();
                 $tree->init($list, 'pid');