diff --git a/library/think/App.php b/library/think/App.php
index bfaca8d2..d10945f5 100644
--- a/library/think/App.php
+++ b/library/think/App.php
@@ -242,6 +242,7 @@ class App
     {
         $args = [];
         // 判断数组类型 数字数组时按顺序绑定参数
+        reset($vars);
         $type = key($vars) === 0 ? 1 : 0;
         if ($reflect->getNumberOfParameters() > 0) {
             $params = $reflect->getParameters();