diff --git a/scripts/system_optimize.sh b/scripts/system_optimize.sh
index 37148e4..13817f0 100644
--- a/scripts/system_optimize.sh
+++ b/scripts/system_optimize.sh
@@ -76,6 +76,24 @@ lock_current_kernel(){
     fi
 }
 
+
+
+
+# 自动扩展根逻辑卷至最大可用空间
+extend_root_volume() {
+    local root_lv=$(df / | tail -1 | awk '{print $1}')
+    # 检查是否为LVM逻辑卷
+    if ! echo "$root_lv" | grep -q '/dev/mapper/'; then
+        echo "错误：当前根分区不是LVM逻辑卷" >&2
+        return 1
+    fi
+    # 扩展逻辑卷并调整文件系统
+    echo "扩展逻辑卷: $lv_name"
+    lvresize --extents +100%FREE --resizefs $root_lv
+ }
+
+
+
 # 禁止显卡驱动
 disable_nouveau_driver() {
     log_info "禁止nouveau显卡驱动..."
@@ -132,6 +150,7 @@ main() {
     disable_apt_periodic_updates
     set_timezone_to_shanghai
     lock_current_kernel
+    extend_root_volume
     synchronize_hardware_clock
     disable_nouveau_driver
     update_grub_configuration