diff --git a/Dockerfile b/Dockerfile
index 17f0ab6..cdf0c12 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,7 +11,8 @@ WORKDIR /app
 COPY package.json pnpm-lock.yaml ./
 
 # 安装依赖
-RUN pnpm install --frozen-lockfile
+RUN --mount=type=cache,target=/root/.local/share/pnpm/store \
+    pnpm install --frozen-lockfile
 
 # 复制源代码
 COPY . .