diff --git a/Dockerfile b/Dockerfile
index 90f057eb..41255e07 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,28 +1,25 @@
+# syntax=docker/dockerfile:1
 FROM python:3.11-slim
 
-# 设置工作目录
 WORKDIR /app
 
-# 设置环境变量
 ENV PYTHONDONTWRITEBYTECODE=1 \
     PYTHONUNBUFFERED=1 \
     PIP_DISABLE_PIP_VERSION_CHECK=1 \
     PIP_ROOT_USER_ACTION=ignore \
     TZ=UTC
 
-# 安装系统依赖 (netCDF4 需要 HDF5 + 编译工具)
-RUN apt-get update && apt-get install -y --no-install-recommends \
+RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
+    --mount=type=cache,target=/var/lib/apt,sharing=locked \
+    apt-get update && apt-get install -y --no-install-recommends \
     gcc libhdf5-dev libnetcdf-dev && \
     rm -rf /var/lib/apt/lists/*
 
-# 复制 requirements 文件
 COPY requirements.txt .
 
-# 安装 Python 依赖
-RUN pip install --no-cache-dir --prefer-binary -r requirements.txt
+RUN --mount=type=cache,target=/root/.cache/pip \
+    pip install --prefer-binary -r requirements.txt
 
-# 复制项目代码
 COPY . .
 
-# 启动机器人
 CMD ["python", "bot_listener.py"]