From 9b7f93690ad0fbab490640a48ef6cf32b0476aaa Mon Sep 17 00:00:00 2001
From: 8ga <jkwlstv@outlook.com>
Date: Mon, 23 Mar 2026 13:17:59 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=20Ubuntu=E6=9B=B4=E6=8D=A2?=
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+## Ubuntu 24.04
+
+```bash
+# 备份原文件（可选）
+sudo cp /etc/apt/sources.list.d/ubuntu.sources /etc/apt/sources.list.d/ubuntu.sources.bak
+```
+
+```bash
+sudo sed -i 's|http://archive.ubuntu.com|http://mirrors.ustc.edu.cn|g' /etc/apt/sources.list.d/ubuntu.sources
+```
+
+```bash
+sudo sed -i 's|http://security.ubuntu.com|http://mirrors.ustc.edu.cn|g' /etc/apt/sources.list.d/ubuntu.sources
+```
+
+```bash
+sudo apt update
+```
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