From 00a967d9fc29d3eb1d05b419f66b50a46c047a27 Mon Sep 17 00:00:00 2001
From: "as2252258@163.com" <as22522582>
Date: Wed, 4 Aug 2021 00:35:07 +0800
Subject: [PATCH] modify

---
 Database/Mysql/Schema.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Database/Mysql/Schema.php b/Database/Mysql/Schema.php
index 3fea5aab..7a54b0b9 100644
--- a/Database/Mysql/Schema.php
+++ b/Database/Mysql/Schema.php
@@ -15,7 +15,7 @@ class Schema extends Component
 {
 
 	/** @var ?Connection */
-	public ?Connection $db;
+	public ?Connection $db = null;
 
 	/** @var ?Columns $_column*/
 	private ?Columns $_column = null;