diff --git a/install.sh b/install.sh
index ed5e88e..726fc04 100755
--- a/install.sh
+++ b/install.sh
@@ -219,6 +219,16 @@ cd "$INSTALL_DIR"
 if [ "$_IS_UPDATE" -eq 1 ]; then
   printf '\n'
   printf '%b  检测到已有部署（%s/.env 存在）%b\n' "$YELLOW" "$INSTALL_DIR" "$RESET"
+  if [ "${XUQM_NONINTERACTIVE:-0}" = "1" ]; then
+    # NONINTERACTIVE: new → 全量重部署，其他 → 仅更新
+    if [ "${XUQM_DEPLOY_MODE:-}" = "new" ]; then
+      printf '\n%b  [NONINTERACTIVE] DEPLOY_MODE=new → 进入全量部署向导 ...%b\n\n' "$GREEN" "$RESET"
+      exec bash scripts/deploy.sh
+    else
+      printf '\n%b  [NONINTERACTIVE] → 进入更新流程 ...%b\n\n' "$GREEN" "$RESET"
+      exec bash scripts/update.sh
+    fi
+  fi
   printf '  请选择操作：\n\n'
   printf '    %b1%b  仅更新  — 修复配置问题，可选拉取新镜像，重启容器（保留全部数据）\n' "$BOLD" "$RESET"
   printf '    %b2%b  全量重部署  — 重新运行完整安装向导（会覆盖现有配置，谨慎使用）\n' "$BOLD" "$RESET"