fix: set-paid-user.sh添加DB_NAME默认值+兼容管道输入

scripts/set-paid-user.sh

@@ -54,6 +54,7 @@ SSH_HOST=$(get_ssh_host)
 
 DB_CONTAINER="1Panel-postgresql-FtMo"
 DB_USER="milkydata"
+: "${DB_NAME:=milkydata}"  # 默认生产库
 
 # ---------- 构建 SQL ----------
 case "$ACTION" in
@@ -89,7 +90,7 @@ echo "将要执行："
 echo "  ${SQL}"
 echo ""
 read -p "确认执行? [y/N] " -n 1 -r; echo
-[[ ! $REPLY =~ ^[Yy]$ ]] && { echo "已取消"; exit 0; }
+if [ "${REPLY:-N}" != "y" ] && [ "${REPLY:-N}" != "Y" ]; then echo "已取消"; exit 0; fi
 
 echo ""
 echo "执行中..."