diff --git a/scripts/system_optimize.sh b/scripts/system_optimize.sh
index c7c7779..1b7fca1 100644
--- a/scripts/system_optimize.sh
+++ b/scripts/system_optimize.sh
@@ -95,11 +95,11 @@ extend_root_volume() {
     log_info  "扩展逻辑卷: $root_lv"
     if lvresize --extents +100%FREE --resizefs "$root_lv" &>/dev/null; then
        log_info  "逻辑卷扩展成功!"
-       root_lvsize=$(df -h / | awk 'NR==2 {print "磁盘磁盘根分区大小:",$1,"=",$2}')
+       root_lvsize=$(df -h / | awk 'NR==2 {print "磁盘磁盘根分区大小:",$2}')
        log_info ${root_lvsize}
     else
        log_info  "逻辑卷扩展失败!"
-       root_lvsize=$(df -h / | awk 'NR==2 {print "磁盘磁盘根分区大小:",$1,"=",$2}')
+       root_lvsize=$(df -h / | awk 'NR==2 {print "磁盘磁盘根分区大小:",$2}')
        log_info ${root_lvsize}
        return 1
     fi