diff --git a/install.sh b/install.sh
index e297997..056a1c0 100755
--- a/install.sh
+++ b/install.sh
@@ -354,6 +354,28 @@ node_major() {
     printf '%s' "${v%%.*}"
 }
 
+node_major() {
+    node -v 2>/dev/null | sed 's/^v//' | cut -d. -f1
+}
+
+openclaw_local_version() {
+    npm list -g openclaw --depth=0 --no-update-notifier 2>/dev/null \
+        | grep openclaw | awk '{print $NF}' | sed 's/^.*@//'
+}
+
+openclaw_remote_version() {
+    npm view openclaw version --no-update-notifier 2>/dev/null
+}
+
+npm_install_openclaw() {
+    info "正在执行 npm install -g openclaw@latest（首次安装可能需要几分钟）…"
+    if run_quiet npm install -g openclaw@latest --no-update-notifier; then
+        return 0
+    fi
+    warn "首次安装失败，重试一次…"
+    run_quiet npm install -g openclaw@latest --no-update-notifier
+}
+
 install_node() {
     title "安装 Node.js 与 OpenClaw（官方安装器）"
     info "调用官方安装器 https://openclaw.ai/install.sh"
@@ -375,8 +397,8 @@ install_node() {
         die "官方安装器内容异常（不是脚本）。" "可能被网络劫持，请检查网络环境后重试。"
     fi
 
-    _log "RUN: bash official install.sh --yes"
-    if bash "$tmp_inst" --yes 2>&1 | tee -a "$LOG_FILE"; then
+    _log "RUN: bash official install.sh --no-prompt"
+    if bash "$tmp_inst" --no-prompt --no-onboard 2>&1 | tee -a "$LOG_FILE"; then
         ok "官方安装器执行完成"
     else
         warn "官方安装器返回非零状态，继续检查实际安装结果。"