diff --git a/library/think/Request.php b/library/think/Request.php
index d4ce9fa8..c34a4b14 100644
--- a/library/think/Request.php
+++ b/library/think/Request.php
@@ -974,6 +974,7 @@ class Request
         $filter[] = $default;
         if (is_array($data)) {
             array_walk_recursive($data, [$this, 'filterValue'], $filter);
+            reset($data);
         } else {
             $this->filterValue($data, $name, $filter);
         }