逛编辑文章列表页面无法获取第一页之后页面的数据修复

@@ -54,7 +54,7 @@ class ListData
     public static function article($gender, $sortId, $uid = 0, $udid = '', $page = 1, $tag = null, $authorId = null, $limit = null, $useCache = true)
     {
         $param = Yohobuy::param();
-        $param['gender'] = $gender;
+        $param['gender'] = isset($gender) ? $gender : '';
         $param['page'] = $page;
         $param['uid'] = $uid;
         $param['udid'] = $udid;