diff --git a/application/controllers/information.php b/application/controllers/information.php
index 29969e4b..cfead29f 100644
--- a/application/controllers/information.php
+++ b/application/controllers/information.php
@@ -127,8 +127,6 @@ class Information extends CI_Controller {
     }
 
     public function edit($is_id) {
-        header("Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0");
-        header("Expires: Sat, 26 Jul 1997 05:00:00 GMT");
         set_time_limit(30);
         //$this->output->enable_profiler(true);
         //查询结构信息