From 00a58a0b6953654b03ef419ced5615552f320adb Mon Sep 17 00:00:00 2001
From: "as2252258@163.com" <as22522582>
Date: Tue, 23 Feb 2021 01:37:43 +0800
Subject: [PATCH] modify

---
 System/Di/Container.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/System/Di/Container.php b/System/Di/Container.php
index d562de7b..7fc38394 100644
--- a/System/Di/Container.php
+++ b/System/Di/Container.php
@@ -162,7 +162,7 @@ class Container extends BaseObject
         $array = [];
         foreach ($method->getParameters() as $key => $parameter) {
             if (!$parameter->isOptional()) continue;
-            if (isset($default[$key])) {
+            if (!is_null($default[$key] ?? null)) {
                 $array[] = $default[$key];
             } else if ($parameter->isDefaultValueAvailable()) {
                 $array[] = $parameter->getDefaultValue();