diff --git a/nocloud.yaml b/nocloud.yaml
new file mode 100644
index 0000000..08c0afe
--- /dev/null
+++ b/nocloud.yaml
@@ -0,0 +1,21 @@
+#cloud-config
+datasource_list: [NoCloud]
+disable_root: false
+ssh_pwauth: true
+users:
+  - name: root
+    lock_passwd: false
+chpasswd:
+  expire: false
+  # 20.04 arm 需要
+  list: |
+    root:123@@@
+  users:
+    - name: root
+      password: 123@@@
+      type: text
+runcmd:
+  # arch 没有 /etc/ssh/sshd_config.d/ 文件夹
+  - echo "PermitRootLogin yes" >/etc/ssh/sshd_config.d/01-permitrootlogin.conf || echo "PermitRootLogin yes" >>/etc/ssh/sshd_config
+  - systemctl restart sshd
+  - echo -e '\nDone' >/dev/tty0
diff --git a/trans.sh b/trans.sh
index 7a5b770..d21a719 100644
--- a/trans.sh
+++ b/trans.sh
@@ -379,7 +379,7 @@ fi
 update_part /dev/$xda
 
 if is_use_cloud_image; then
-    apk add qemu-img
+    apk add qemu-img lsblk
 
     mkdir -p /installer
     mount /dev/disk/by-label/installer /installer
@@ -423,6 +423,12 @@ if is_use_cloud_image; then
     umount /installer/
     dd if=/first-1M of=/dev/$xda
     update_part /dev/$xda
+
+    # 找到系统分区，也就是最大的分区
+    os_part=$(lsblk /dev/sda*[0-9] --sort SIZE -o NAME | tail -1)
+    mkdir -p /os
+    mount /dev/$os_part /os
+    download $confhome/nocloud.yaml /os/etc/cloud/cloud.cfg.d/99_nocloud.cfg
     exit
 else
     # 挂载主分区