修改c端接口：获取栏目

app/JsonRpc/WebsiteService.php

@@ -652,7 +652,8 @@ class WebsiteService implements WebsiteServiceInterface
              ->where('pid', $data['pid'])
              ->offset($data['placeid'])
              ->limit($data['num'])
-             ->orderBy('sort');
+             ->orderBy('sort')
+             ->orderBy('updated_at','desc');
          // 如果 $pid 数组不为空，添加 CASE WHEN 条件
          if (!empty($pid)) {
              $placeholders = implode(',', array_fill(0, count($pid), '?'));