修改！

PHP/Application/Fdd/Controller/ApiController.class.php

@@ -59,7 +59,7 @@ class ApiController extends \Common\Controller\BaseFddController{
      * @desc 注释
      */
 	public function createSurrender() {
-        $post_data['surrender_id'] = I('surrender_id');
+        $post_data['surrender_id'] = I("surrender_id");
         $post_data['service_code'] = 'canceling';
         $result = $this->postData($post_data);
         echo $result;