diff --git a/Dockerfile b/Dockerfile
index c87e12b..6411b79 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,6 @@
 # ===== 第一阶段：构建阶段 =====
 FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
 
-# 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
-
 # 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 && \