diff --git a/scripts/install_pve.sh b/scripts/install_pve.sh
index 46f192e..e761ddc 100644
--- a/scripts/install_pve.sh
+++ b/scripts/install_pve.sh
@@ -25,14 +25,14 @@ temp_file_apt_fix="/tmp/apt_fix.txt"
 
 remove_duplicate_lines() {
     chattr -i "$1"
-    # 去除重复行并跳过空行和注释行
     if [ -f "$1" ]; then
-      awk '!/^( *#|$)/ { if (!x[$0]++) print }' "$1" > "$1.tmp" && mv -f "$1.tmp" "$1"
+      awk 'NF && !/^( *#|$)/ { if (!x[$0]++) print; next } { print }' "$1" > "$1.tmp" && mv -f "$1.tmp" "$1"
     fi
     rm -rf "$1.tmp"
     chattr +i "$1"
 }
 
+
 install_package() {
     package_name=$1
     if command -v $package_name > /dev/null 2>&1 ; then