diff --git a/sandbox-worker/install.sh b/sandbox-worker/install.sh
index 8c246aa..277f55a 100644
--- a/sandbox-worker/install.sh
+++ b/sandbox-worker/install.sh
@@ -76,6 +76,9 @@ if [[ ! -f "${APP_DIR}/.env" ]]; then
 PORT=${PORT}
 # 调用方 x-api-key(已随机生成;server 侧需配同一值)
 WORKER_API_KEY=$(rnd)
+# Web UI 登录(/ui,查看连接信息 + 一键升级;首次安装随机密码,请尽快修改)
+SANDBOX_UI_USER=admin
+SANDBOX_UI_PASSWORD=$(rnd | head -c 16)
 ENV
   chmod 600 "${APP_DIR}/.env"
 fi