From 7df51970820880ccb3ab1f89ccc154d54cb57d7e Mon Sep 17 00:00:00 2001
From: Jeffrey Hsu <xfj12@outlook.com>
Date: Tue, 21 Oct 2025 11:02:39 +0800
Subject: [PATCH] cmake: reduce minimum required version to 3.30

---
 CMakeLists.txt | 2 +-
 README.md      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 68d0375..d9e0a04 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 4.0)
+cmake_minimum_required(VERSION 3.30)
 project(AHNU-Portal-Authenticator)
 
 set(CMAKE_CXX_STANDARD 23)
diff --git a/README.md b/README.md
index 7bb544d..f4b3376 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@
 | 名称    | 推荐版本                  | 说明                |
 |-------|-----------------------|-------------------|
 | Qt    | ≥ 6.5                 | 推荐安装 Qt 6.6 或更新版本 |
-| CMake | ≥ 4.0                 | 用于跨平台构建           |
+| CMake | ≥ 3.30                | 用于跨平台构建           |
 | 编译器   | MSVC 2022 / MinGW 11+ | 均可使用              |
 
 2. **编译**