diff --git a/app/index/controller/TopicNas.php b/app/index/controller/TopicNas.php
index 16ab2fc0..5884aeed 100644
--- a/app/index/controller/TopicNas.php
+++ b/app/index/controller/TopicNas.php
@@ -270,6 +270,7 @@ class TopicNas extends Common
         if (!$article_categorys->isEmpty()) {
             foreach ($article_categorys->toArray() as $kk=>$vv) {
                 if ( $parent == $vv['pid'] ) {
+                    $vv['child'] = '';
                     array_push($article_categorys_new,$vv);
                 } else {
                     $article_categorys_two[$vv['pid']][] = $vv;