diff --git a/deploy/lib/common.sh b/deploy/lib/common.sh
index e8a6ca2..98f17c9 100644
--- a/deploy/lib/common.sh
+++ b/deploy/lib/common.sh
@@ -87,17 +87,30 @@ detect_server_ip() {
 confirm_yes() {
   local msg="$1"
   local ans=""
-  read -r -p "${msg} [y/N] " ans
+  cm_read ans "${msg} [y/N] "
   [[ "${ans}" == [yY] || "${ans}" == [yY][eE][sS] ]]
 }
 
 confirm_uninstall() {
   local ans=""
   echo "此操作将停止全部 PM2 进程并移走安装目录."
-  read -r -p "输入 UNINSTALL 确认卸载: " ans
+  cm_read ans "输入 UNINSTALL 确认卸载: "
   [[ "${ans}" == "UNINSTALL" ]]
 }
 
+# curl | bash 时 stdin 是管道,须从 /dev/tty 读取用户输入
+cm_read() {
+  local __var="$1"
+  local __prompt="$2"
+  local __val=""
+  if [[ -r /dev/tty ]]; then
+    IFS= read -r -p "${__prompt}" __val </dev/tty || true
+  else
+    IFS= read -r -p "${__prompt}" __val || true
+  fi
+  printf -v "${__var}" '%s' "${__val}"
+}
+
 repo_ready() {
   [[ -f "${1}/deploy/setup_env.sh" && -f "${1}/deploy/manage.sh" ]]
 }
diff --git a/deploy/lib/install.sh b/deploy/lib/install.sh
index f98a8f6..9b6d860 100644
--- a/deploy/lib/install.sh
+++ b/deploy/lib/install.sh
@@ -52,7 +52,7 @@ handle_existing_install() {
   echo "  b) 修复环境(重建 venv,保留 .env 与数据库)"
   echo "  c) 深度重装(保留 .env,清库,见 reinstall.sh)"
   local choice=""
-  read -r -p "请选择 [a/b/c]: " choice
+  cm_read choice "请选择 [a/b/c]: "
   case "${choice}" in
     b|B)
       install_repair
diff --git a/deploy/lib/update.sh b/deploy/lib/update.sh
index cb5adcd..2581310 100644
--- a/deploy/lib/update.sh
+++ b/deploy/lib/update.sh
@@ -59,7 +59,7 @@ show_update_menu() {
     echo "  3-3) 深度重装(保留 .env,清库)"
     echo "  0)   返回主菜单"
     local choice=""
-    read -r -p "请选择 [0/3-1/3-2/3-3]: " choice
+    cm_read choice "请选择 [0/3-1/3-2/3-3]: "
     case "${choice}" in
       3-1|31|1) update_quick; break ;;
       3-2|32|2) update_deps; break ;;
diff --git a/deploy/manage.sh b/deploy/manage.sh
index 7ac0d41..191ecb1 100644
--- a/deploy/manage.sh
+++ b/deploy/manage.sh
@@ -31,6 +31,22 @@ unset _script_src
 
 set -u
 
+# curl | bash: stdin 为管道,clone 后或已有仓库时改从终端读入
+reexec_with_tty_if_needed() {
+  if [[ -t 0 ]]; then
+    return 0
+  fi
+  local script=""
+  if [[ -f "${INSTALL_ROOT}/deploy/manage.sh" ]]; then
+    script="${INSTALL_ROOT}/deploy/manage.sh"
+  elif [[ -n "${DEPLOY_DIR}" && -f "${DEPLOY_DIR}/manage.sh" ]]; then
+    script="${DEPLOY_DIR}/manage.sh"
+  fi
+  if [[ -n "${script}" ]]; then
+    exec bash "${script}" "$@" </dev/tty
+  fi
+}
+
 repo_ready() {
   [[ -f "${1}/deploy/setup_env.sh" && -f "${1}/deploy/manage.sh" ]]
 }
@@ -71,7 +87,7 @@ bootstrap_repo() {
   fi
   mkdir -p "$(dirname "${INSTALL_ROOT}")"
   git clone -b "${GIT_BRANCH}" "${GIT_URL}" "${INSTALL_ROOT}"
-  exec bash "${INSTALL_ROOT}/deploy/manage.sh" "$@"
+  exec bash "${INSTALL_ROOT}/deploy/manage.sh" "$@" </dev/tty
 }
 
 show_banner() {
@@ -113,7 +129,7 @@ main_menu() {
     show_banner
     show_menu
     local choice=""
-    read -r -p "请选择 [0-3]: " choice
+    cm_read choice "请选择 [0-3]: "
     case "${choice}" in
       1)
         bash "${LIB_DIR}/install.sh"
@@ -133,8 +149,9 @@ main_menu() {
         ;;
     esac
     echo ""
-    read -r -p "按 Enter 返回菜单..." _
+    cm_read _ "按 Enter 返回菜单..."
   done
 }
 
+reexec_with_tty_if_needed "$@"
 main_menu "$@"