From bd01f43a24ef1b5ba06e06797fb6994406c9b6d6 Mon Sep 17 00:00:00 2001
From: joy <muyun688@aliyun.com>
Date: Tue, 15 Jul 2025 16:36:18 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0=20scripts/system=5Foptimize.?=
 =?UTF-8?q?sh?=
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---
 scripts/system_optimize.sh | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/scripts/system_optimize.sh b/scripts/system_optimize.sh
index 25b71ac..37148e4 100644
--- a/scripts/system_optimize.sh
+++ b/scripts/system_optimize.sh
@@ -57,6 +57,25 @@ synchronize_hardware_clock() {
 #    log_info "已尝试删除'ubuntu'用户（如果存在）"
 #}
 
+#锁定版本号
+lock_current_kernel(){
+    # 自动锁定当前运行的内核版本
+    CURRENT_KERNEL=$(uname -r)
+    GRUB_FILE="/etc/default/grub"
+
+    # 检查是否已锁定
+    if ! grep -q "GRUB_DEFAULT=.*$CURRENT_KERNEL" "$GRUB_FILE"; then
+        # 备份并修改GRUB配置
+        cp -f "$GRUB_FILE" "${GRUB_FILE}.bak"
+        sed -i '/GRUB_DEFAULT=/c\GRUB_DEFAULT="Advanced options for Ubuntu>Ubuntu, with Linux '${CURRENT_KERNEL}'"' "$GRUB_FILE"
+        update-grub &>/dev/null
+        echo "已锁定内核版本: $CURRENT_KERNEL"
+        echo "稍后记得执行 'reboot' 重启系统!"
+    else
+        echo "内核版本 $CURRENT_KERNEL 已锁定，无需操作"
+    fi
+}
+
 # 禁止显卡驱动
 disable_nouveau_driver() {
     log_info "禁止nouveau显卡驱动..."
@@ -110,13 +129,12 @@ update_grub_configuration() {
 # 主函数：按顺序执行所有配置步骤
 main() {
     log_info "开始系统配置..."
-    
     disable_apt_periodic_updates
     set_timezone_to_shanghai
+    lock_current_kernel
     synchronize_hardware_clock
     disable_nouveau_driver
     update_grub_configuration
-    
     log_info "系统配置完成！"
 }