diff --git a/Dockerfile.k3s b/Dockerfile.k3s
index da8aaaf..b133bc8 100644
--- a/Dockerfile.k3s
+++ b/Dockerfile.k3s
@@ -1,10 +1,13 @@
 # k3s / Kaniko：静态 SPA（方案 A）。API 直连 api.ideship.com，镜像内 nginx 不做反代
-# 基础镜像走 DaoCloud 代理，避免 Kaniko 直连 docker.io 超时
+# 基础镜像走 DaoCloud，避免 Kaniko 直连 docker.io 超时
 FROM docker.m.daocloud.io/library/node:20-alpine AS build
 WORKDIR /app
-RUN corepack enable && corepack prepare pnpm@9 --activate
+# 不用 corepack（要求 packageManager 带版本且在部分环境易挂），直接装 pnpm
+RUN npm config set registry https://registry.npmmirror.com \
+  && npm install -g pnpm@9.15.9
 COPY package.json pnpm-lock.yaml ./
-RUN pnpm install --frozen-lockfile
+RUN pnpm config set registry https://registry.npmmirror.com \
+  && pnpm install --frozen-lockfile
 COPY . .
 RUN pnpm run build
 
diff --git a/package.json b/package.json
index 2026724..bc044cb 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "private": true,
   "author": "ArcoDesign Team",
   "license": "MIT",
-  "packageManager": "pnpm",
+  "packageManager": "pnpm@9.15.9",
   "type": "module",
   "scripts": {
     "preinstall": "node -e \"if (!process.env.npm_config_user_agent || !process.env.npm_config_user_agent.includes('pnpm')) { console.error('Please use pnpm to install dependencies.'); process.exit(1); }\"",