不需要cors，可在cdn处设置

application/third_party/advertise/controllers/index.php

@@ -64,7 +64,6 @@ class Index extends CI_Controller
 
     public function ad_edit()
     {
-        header('Access-Control-Allow-Origin: *');
         $ad_title = $this->input->post('ad_title');
         $ad_content = $this->input->post('ad_content');
         $ad_type = '';
@@ -111,7 +110,6 @@ class Index extends CI_Controller
     //添加新广告节点
     public function add($is_parent_id, $is_ajax = true)
     {
-        header('Access-Control-Allow-Origin: *');
         $insert_id = $this->InfoStructures_model->Add($is_parent_id);
         if ($insert_id && $ad_id = $this->advertise_model->add_advertise($insert_id, 'New tree', $this->config->item('site_code'), time())) {
             $data[] = array('name' => 'ok', 'value' => $insert_id);