diff --git a/back/rebuild_qcow2.sh b/back/rebuild_qcow2.sh
index 9a06be9..2a8ea80 100644
--- a/back/rebuild_qcow2.sh
+++ b/back/rebuild_qcow2.sh
@@ -53,7 +53,7 @@ elif [[ "$qcow_file" == *"alpine"* ]]; then
     echo "启用root登录..."
     virt-customize -a $qcow_file --edit '/etc/cloud/cloud.cfg:s/preserve_hostname: *false/preserve_hostname: true/'
     virt-customize -a $qcow_file --edit '/etc/cloud/cloud.cfg:s/disable_root: *true/disable_root: false/'
-    virt-customize -a $qcow_file --edit '/etc/ssh/sshd_config:s/^#\?PasswordAuthentication.*/PasswordAuthentication yes/'
+    virt-customize -a $qcow_file --edit '/etc/ssh/sshd_config:s/PasswordAuthentication no/PasswordAuthentication yes/'
     virt-customize -a $qcow_file --edit '/etc/ssh/sshd_config:s/^#?\(Port\).*/\1 22/'
     virt-customize -a $qcow_file --edit '/etc/ssh/sshd_config:s/^#PermitRootLogin\|PermitRootLogin/c PermitRootLogin yes/'
     virt-customize -a $qcow_file --edit '/etc/ssh/sshd_config:s/^#AddressFamily\|AddressFamily/c AddressFamily any/'