diff --git a/Dockerfile b/Dockerfile
index de92d70..bbedb47 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,7 +15,7 @@ ENV DEBIAN_FRONTEND=noninteractive
 #    && rm -rf /var/lib/apt/lists/*
 
 # 使用南京大学的 apt 源
-# RUN sed -i 's/archive.ubuntu.com/mirrors.nju.edu.cn/g' /etc/apt/sources.list
+RUN sed -i 's/archive.ubuntu.com/mirrors.nju.edu.cn/g' /etc/apt/sources.list
 
 # 更新系统并安装常用工具
 RUN apt-get update && apt-get install -y \
diff --git a/README.md b/README.md
index d0e7055..05ae780 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,20 @@
 # Multi-Lang
 
-multi-lang-dev
\ No newline at end of file
+multi-lang-dev
+
+# 编译
+
+# 创建并启用 Buildx 构建器
+docker buildx create --use
+
+# 启动 QEMU 支持的多架构模拟器
+docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
+
+# 构建并推送多架构 Docker 镜像
+# 创建并启用 Buildx 构建器
+docker buildx create --use
+
+# 启动 QEMU 支持的多架构模拟器
+docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
+
+# 构建并推送多架构 Docker 镜像
\ No newline at end of file