diff --git a/Dockerfile b/Dockerfile
index de8f60b..7e0afdb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,10 +2,18 @@ FROM python:3.12
 
 WORKDIR /app
 
+# 替换 Debian 软件源为阿里云镜像 (加速 apt-get)
+RUN sed -i 's/deb.debian.org/mirrors.aliyun.com/g' /etc/apt/sources.list.d/debian.sources
+
+# 配置 pip 全局使用阿里云镜像源
+ENV PIP_INDEX_URL=https://mirrors.aliyun.com/pypi/simple
+ENV PIP_TRUSTED_HOST=mirrors.aliyun.com
+
 COPY requirements.txt .
 COPY .env .
 
-RUN pip install -r requirements.txt -i https://mirrors.aliyun.com/pypi/simple
+# 安装依赖
+RUN pip install --no-cache-dir -r requirements.txt
 
 COPY . .