diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 592bfec..904994c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -48,7 +48,8 @@ jobs:
         id: build_versions
         run: |
           # 从 openclaw-env 中提取版本号 (唯一的版本真相源)
-          NODE_VER=$(grep -oP 'NODE_VERSION="\$\{NODE_VERSION:-\K[0-9.]+' root/usr/bin/openclaw-env)
+          # NODE_VERSION_V2 是当前推荐的 Node.js 版本
+          NODE_VER=$(grep -oP 'NODE_VERSION_V2="\K[0-9.]+' root/usr/bin/openclaw-env)
           OC_VER=$(grep -oP 'OC_TESTED_VERSION="\K[0-9.]+' root/usr/bin/openclaw-env)
           echo "node_version=${NODE_VER}" >> "$GITHUB_OUTPUT"
           echo "oc_version=${OC_VER}" >> "$GITHUB_OUTPUT"