diff --git a/install.sh b/install.sh
index db6375b..0352cbd 100644
--- a/install.sh
+++ b/install.sh
@@ -212,9 +212,9 @@ setup_database() {
     echo "自动生成数据库信息请输入1，手动输入请输入2，其他情况自动生成"
     read -e -r -p "请输入您的选择: " dbFlag
     if [[ $dbFlag == "1" ]]; then
-        db_user="lsky"
-        db_name="lsky"
-        db_password=$(openssl rand -base64 12)
+        db_user="lsky_$(openssl rand -base64 12 | tr -dc 'a-z0-9' | fold -w 8 | head -n 1)"
+        db_name="lsky_$(openssl rand -base64 12 | tr -dc 'a-z0-9' | fold -w 8 | head -n 1)"
+        db_password="$(openssl rand -base64 32 | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1)"
     elif [[ $dbFlag == "2" ]]; then
         read -e -r -p "请输入数据库用户名: " db_user
         read -e -r -p "请输入数据库名称: " db_name