修改！

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

@@ -398,7 +398,7 @@ class ContractIousController extends BaseController{
                 }
             }
         }
-        if (!is_array($fdd_id) && $fdd_id != null && $fdd_id != ''){
+        if (!is_array($fdd_id) && $fdd_id != null && $fdd_id != '' && $fdd_id != 0){
             $result_url = $this->logic('Api\Contract')->getFddPDFViewLogic($fdd_id)['data']["download_url"];
             $file_url = file_get_contents($result_url);
             if ($file_url) {