From 82db2bdbb23b0bfd859773d79d2c9adb717ca499 Mon Sep 17 00:00:00 2001
From: Natsume1710 <162396185+Natsume1710@users.noreply.github.com>
Date: Tue, 17 Jun 2025 14:41:47 +0800
Subject: [PATCH] Update README.md

---
 08-Security_Upgrade/README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/08-Security_Upgrade/README.md b/08-Security_Upgrade/README.md
index 6dd5618..843b181 100644
--- a/08-Security_Upgrade/README.md
+++ b/08-Security_Upgrade/README.md
@@ -40,6 +40,7 @@ BootROM → 加载并验证一级Bootloader → 加载并验证二级Bootloader
 - 信任链传递：
 
 每个阶段只信任经过上一阶段验证的代码。
+
 2. 数字签名验证流程
 ```c
 // 简化的签名验证伪代码