diff --git a/README.en.md b/README.en.md
index 22ebcf8..fa5fd78 100644
--- a/README.en.md
+++ b/README.en.md
@@ -116,7 +116,7 @@ certutil -urlcache -f -split https://jihulab.com/bin456789/reinstall/-/raw/main/
 
 ### Feature 1: Install <img width="16" height="16" src="https://www.kernel.org/theme/images/logos/favicon.png" /> Linux
 
-- The username is `root` with a default password of `123@@@`. It may take a few minutes after the first boot to successfully log in.
+- The username is `root` with a default password of `123@@@`.
 - When installing the latest version, the version number does not need to be specified.
 - Maximizes disk space usage: no boot partition (except for Fedora) and no swap partition.
 - Automatically selects different optimized kernels based on machine type, such as `Cloud` or `HWE` kernels.
diff --git a/README.md b/README.md
index 8884eba..a71a747 100644
--- a/README.md
+++ b/README.md
@@ -116,7 +116,7 @@ certutil -urlcache -f -split https://jihulab.com/bin456789/reinstall/-/raw/main/
 
 ### 功能 1: 安装 <img width="16" height="16" src="https://www.kernel.org/theme/images/logos/favicon.png" /> Linux
 
-- 用户名 `root` 默认密码 `123@@@`，首次开机可能要等几分钟才能成功登录
+- 用户名 `root` 默认密码 `123@@@`
 - 安装最新版可不输入版本号
 - 最大化利用磁盘空间：不含 boot 分区（Fedora 例外），不含 swap 分区
 - 自动根据机器类型选择不同的优化内核，例如 `Cloud`、`HWE` 内核
diff --git a/fix-eth-name.sh b/fix-eth-name.sh
index aa13398..6d22fc4 100644
--- a/fix-eth-name.sh
+++ b/fix-eth-name.sh
@@ -5,6 +5,9 @@
 
 set -eE
 
+# openeuler 需等待 udev 将网卡名从 eth0 改为 enp3s0
+sleep 10
+
 # 本脚本在首次进入新系统后运行
 # 将 trans 阶段生成的网络配置中的网卡名(eth0) 改为正确的网卡名，也适用于以下情况
 # 1. alpine 要运行此脚本，因为安装后的内核可能有 netboot 没有的驱动
@@ -19,8 +22,7 @@ to_lower() {
 
 retry() {
     local max_try=$1
-    local interval=$2
-    shift 2
+    shift
 
     for i in $(seq "$max_try"); do
         if "$@"; then
@@ -30,7 +32,7 @@ retry() {
             if [ "$i" -ge "$max_try" ]; then
                 return $ret
             fi
-            sleep "$interval"
+            sleep 1
         fi
     done
 }
@@ -40,7 +42,7 @@ retry() {
 # 因此需要等待网卡出现
 get_ethx_by_mac() {
     mac=$(echo "$1" | to_lower)
-    retry 10 0.5 _get_ethx_by_mac "$mac"
+    retry 10 _get_ethx_by_mac "$mac"
 }
 
 _get_ethx_by_mac() {
@@ -218,7 +220,7 @@ fix_netplan() {
 fix_systemd_networkd() {
     for file in /etc/systemd/network/10-cloud-init-eth*.network; do
         [ -f "$file" ] || continue
-        mac=$(grep ^MACAddress= $file | cut -d= -f2 | grep .) || continue
+        mac=$(grep ^MACAddress= "$file" | cut -d= -f2 | grep .) || continue
         ethx=$(get_ethx_by_mac "$mac") || continue
 
         proper_file=/etc/systemd/network/10-$ethx.network