fix: array index offset

server/api/modules/v1/controllers/PolicyController.php

@@ -79,7 +79,7 @@ class PolicyController extends Controller {
 			foreach($extra as $k => $v){
 			    $arr[] = [
 			        'name'=>$v,
-			        'value'=>$val[$k]
+			        'value'=>$val[$k] ?: (string)($k + 1)
 			     ];
 			}