diff --git a/Dockerfile.prod b/Dockerfile.prod
index 0289454..0ca4e44 100644
--- a/Dockerfile.prod
+++ b/Dockerfile.prod
@@ -51,6 +51,10 @@ WORKDIR /app
 ENV TZ=Asia/Shanghai
 RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
 
+# 切换阿里云镜像源，解决国内网络无法访问 deb.debian.org 的问题
+RUN sed -i 's/deb.debian.org/mirrors.aliyun.com/g' /etc/apt/sources.list && \
+    sed -i 's/security.debian.org/mirrors.aliyun.com/g' /etc/apt/sources.list
+
 # 安装 Chromium 运行时依赖（Debian Bullseye）
 RUN apt-get update && apt-get install -y --no-install-recommends \
     libnss3 \