diff --git a/application/controllers/information.php b/application/controllers/information.php
index 292329b0..89cef376 100644
--- a/application/controllers/information.php
+++ b/application/controllers/information.php
@@ -828,6 +828,10 @@ class Information extends CI_Controller
         $template_TrainSearch = "";
         if ($information->ic_url == "/china-trains/hometest.htm" || $information->ic_url == "/china-trains/") {
             $template_TrainSearch = $this->load->view($template_path . '-train-index', null, TRUE);
+            if ($device=="mobile"){
+                //手机端的搜索框直接显示，不再加背景图，这样可以保证CLS分数。
+                $template = str_replace('<!--@TOP-BANNER@-->', '<div class="detailtopbanner">' . $template_TrainSearch . '</div>', $template);
+            }
         }