diff --git a/gitea_runner_node/Dockerfile b/gitea_runner_node/Dockerfile
index b092867..60507a5 100644
--- a/gitea_runner_node/Dockerfile
+++ b/gitea_runner_node/Dockerfile
@@ -9,13 +9,30 @@ LABEL description="Gitea Action Runner with Node.js 18/20/22 and multiple packag
 # Node.js 安装目录
 ENV NODE_BASE=/usr/local/node
 
-# 安装 Node.js 多版本环境和包管理器
-RUN npm install -g n \
-    && mkdir -p ${NODE_BASE} \
-    && n install 18 \
-    && n install 20 \
-    && n install 22 \
-    && n use 20 \
+# 安装 Node.js 多版本环境（Alpine musl 版本）
+RUN set -ex \
+    && apk add --no-cache libstdc++ \
+    && mkdir -p ${NODE_BASE}/versions \
+    # 下载并安装 Node.js 18 (musl)
+    && wget -q https://unofficial-builds.nodejs.org/download/release/v18.20.8/node-v18.20.8-linux-x64-musl.tar.xz -O /tmp/node18.tar.xz \
+    && tar -xJf /tmp/node18.tar.xz -C ${NODE_BASE}/versions \
+    && mv ${NODE_BASE}/versions/node-v18.20.8-linux-x64-musl ${NODE_BASE}/versions/18 \
+    # 下载并安装 Node.js 20 (musl)
+    && wget -q https://unofficial-builds.nodejs.org/download/release/v20.20.0/node-v20.20.0-linux-x64-musl.tar.xz -O /tmp/node20.tar.xz \
+    && tar -xJf /tmp/node20.tar.xz -C ${NODE_BASE}/versions \
+    && mv ${NODE_BASE}/versions/node-v20.20.0-linux-x64-musl ${NODE_BASE}/versions/20 \
+    # 下载并安装 Node.js 22 (musl)
+    && wget -q https://unofficial-builds.nodejs.org/download/release/v22.12.0/node-v22.12.0-linux-x64-musl.tar.xz -O /tmp/node22.tar.xz \
+    && tar -xJf /tmp/node22.tar.xz -C ${NODE_BASE}/versions \
+    && mv ${NODE_BASE}/versions/node-v22.12.0-linux-x64-musl ${NODE_BASE}/versions/22 \
+    # 设置默认版本为 20
+    && ln -sf ${NODE_BASE}/versions/20/bin/node /usr/local/bin/node \
+    && ln -sf ${NODE_BASE}/versions/20/bin/npm /usr/local/bin/npm \
+    && ln -sf ${NODE_BASE}/versions/20/bin/npx /usr/local/bin/npx \
+    # 安装全局包管理器
     && npm install -g yarn pnpm \
-    && printf '#!/bin/bash\ncase "$1" in\n    18|20|22)\n        n use "$1" > /dev/null 2>&1\n        export PATH="/usr/local/n/versions/node/$1/bin:${PATH}"\n        echo "Switched to Node.js $1: $(node -v)"\n        ;;\n    *)\n        echo "Usage: source use-node [18|20|22]"\n        return 1\n        ;;\nesac\n' > /usr/local/bin/use-node \
-    && chmod +x /usr/local/bin/use-node
+    # 创建版本切换脚本
+    && printf '#!/bin/bash\ncase "$1" in\n    18|20|22)\n        export PATH="${NODE_BASE}/versions/$1/bin:${PATH}"\n        ln -sf ${NODE_BASE}/versions/$1/bin/node /usr/local/bin/node\n        ln -sf ${NODE_BASE}/versions/$1/bin/npm /usr/local/bin/npm\n        ln -sf ${NODE_BASE}/versions/$1/bin/npx /usr/local/bin/npx\n        echo "Switched to Node.js $1: $(node -v)"\n        ;;\n    *)\n        echo "Usage: use-node [18|20|22]"\n        exit 1\n        ;;\nesac\n' > /usr/local/bin/use-node \
+    && chmod +x /usr/local/bin/use-node \
+    # 清理临时文件
+    && rm -f /tmp/node*.tar.xz