修改！

PHP/Application/Index/Controller/ContractIousController.class.php

@@ -385,7 +385,8 @@ class ContractIousController extends BaseController{
      * @param $fdd_id
      * @return json
      */
-    public function getFddDown($fdd_id){
+    public function getFddDown(){
+        $fdd_id = I("fdd_id",null);
         if (is_array($fdd_id) && !empty($fdd_id)){
             foreach ($fdd_id as $item){
                 $result_url = $this->logic('Api\Contract')->getFddPDFViewLogic($item)['data']["download_url"];