diff --git a/Dockerfile b/Dockerfile
index e7fd65e..dd68de8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -50,13 +50,13 @@ RUN mkdir -p /app/publish && \
 # ===== 第二阶段：运行阶段 =====
 FROM mcr.microsoft.com/dotnet/aspnet:8.0
 
-# 配置 apt-get 使用 apt-cacher-ng 作为代理
-RUN echo 'Acquire::http::Proxy "http://192.168.1.140:3142";' > /etc/apt/apt.conf.d/01proxy
+# 清除所有现有源
+RUN rm -rf /etc/apt/sources.list /etc/apt/sources.list.d/*
 
-# 创建并配置 Debian 镜像源
-RUN echo "deb https://mirrors.ustc.edu.cn/debian/ bookworm main contrib non-free non-free-firmware" > /etc/apt/sources.list && \
-    echo "deb https://mirrors.ustc.edu.cn/debian/ bookworm-updates main contrib non-free non-free-firmware" >> /etc/apt/sources.list && \
-    echo "deb https://mirrors.ustc.edu.cn/debian-security bookworm-security main contrib non-free non-free-firmware" >> /etc/apt/sources.list
+# 配置阿里云镜像源
+RUN echo "deb http://mirrors.aliyun.com/debian/ bookworm main contrib non-free" > /etc/apt/sources.list && \
+    echo "deb http://mirrors.aliyun.com/debian/ bookworm-updates main contrib non-free" >> /etc/apt/sources.list && \
+    echo "deb http://mirrors.aliyun.com/debian-security/ bookworm-security main contrib non-free" >> /etc/apt/sources.list
 
 # 允许使用不安全的软件源
 RUN echo 'Acquire::AllowInsecureRepositories "true";' > /etc/apt/apt.conf.d/99allow-insecure && \