update

@@ -165,8 +165,11 @@ class NavLogic extends  BaseLogic
             if($exists_info){
             if($exists_info){
                 continue;
                 continue;
             }
             }
+            if(empty($nav_pid)){
+                continue;
+            }
             $data[] = [
             $data[] = [
-                'pid' => $nav_pid ?: 0,
+                'pid' => $nav_pid,
                 'name' => $item['name'],
                 'name' => $item['name'],
                 'url' => $item['alias'],
                 'url' => $item['alias'],
                 'project_id' => $this->project['id'],
                 'project_id' => $this->project['id'],