diff --git a/application/third_party/trainsystem/controllers/innerTrainSearch.php b/application/third_party/trainsystem/controllers/innerTrainSearch.php
index 99302869..0244e9f6 100644
--- a/application/third_party/trainsystem/controllers/innerTrainSearch.php
+++ b/application/third_party/trainsystem/controllers/innerTrainSearch.php
@@ -220,7 +220,8 @@ class innerTrainSearch extends CI_Controller{
 			$cachedata = false;
 			$now_time = time();
 			$differ = (strtotime($date) - $now_time) / 86400;
-			if($differ > 29){
+			//屏蔽掉超过预售期的搜索，提高速度,2021-7-5 zp修改预售期为15天，不再是30天
+			if($differ > 14){
 				$date = date('Y-m-d',strtotime('+7day'));
 				$iseven = true;
 			}