diff --git a/hy2.sh b/hy2.sh
index 1223d7d..52c9b0b 100644
--- a/hy2.sh
+++ b/hy2.sh
@@ -48,7 +48,8 @@ confirm_yn() {
 }
 
 generate_password() {
-  tr -dc 'A-Za-z0-9' </dev/urandom | head -c 24
+  openssl rand -base64 24 | tr -dc 'A-Za-z0-9' | head -c 24
+  echo
 }
 
 get_server_ip() {
@@ -69,7 +70,7 @@ apt_update_and_install_base() {
   apt update -y
 
   blue "==> 安装基础依赖"
-  apt install -y curl sed ufw
+  apt install -y curl sed ufw openssl
 }
 
 disable_existing_firewalls() {