diff --git a/1.sh b/1.sh
index dfe379e..6452d4b 100644
--- a/1.sh
+++ b/1.sh
@@ -20,7 +20,10 @@ if [ -f /etc/debian_version ]; then
   chsh -s $(which bash)
   print_green "已将 bash 设置为默认 shell"
 elif [ -f /etc/alpine-release ]; then
-  sed -i 's/^root:.*/root:\/bin\/bash/' /etc/passwd
+  apk add shadow
+  chsh -s $(which bash) root
+  # sed -i 's|^\(root:.*\):[^:]*$|\1:/bin/bash|' /etc/passwd
+  # sed -i 's|^\(root:[^:]*:[^:]*:[^:]*:[^:]*:[^:]*\):[^:]*$|\1:/bin/bash|' /etc/passwd
   print_yellow "已将 bash 设置为默认 shell"
 fi