diff --git a/dockerfiles/python/3.12.8-centos8-dos/Dockerfile b/dockerfiles/python/3.12.8-centos8-dos/Dockerfile
index 4283610..43cdd7a 100644
--- a/dockerfiles/python/3.12.8-centos8-dos/Dockerfile
+++ b/dockerfiles/python/3.12.8-centos8-dos/Dockerfile
@@ -44,16 +44,15 @@ ENV PYTHON_VERSION=3.12.8 \
 #   5) 不装 kernel-devel（除非要编译内核模块）
 # ----------------------------------------------------------------------------
 RUN set -eux; \
-    # ---- 把 CentOS 8 官方源替换为阿里云 rockylinux 镜像 ----
-    sed -e 's|^mirrorlist=|#mirrorlist=|g' \
-        -e 's|^#baseurl=http://mirror.centos.org/$contentdir|baseurl=https://mirrors.aliyun.com/rockylinux|g' \
-        -i.bak /etc/yum.repos.d/CentOS-*.repo; \
-    # ---- 安装编译依赖 ----
+    # 禁用 mirrorlist，启用 vault 归档源
+    sed -i 's/^mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-*.repo; \
+    sed -i 's|^#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-*.repo; \
     dnf install -y --setopt=install_weak_deps=False \
         make cmake gcc gcc-c++ \
         openssl-devel bzip2-devel libffi-devel \
-        zlib-devel sqlite-devel mariadb-devel; \
-    # ---- 清理 dnf 缓存 ----
+        zlib-devel readline-devel sqlite-devel \
+        mariadb-devel \
+        xz tar findutils; \
     dnf clean all; rm -rf /var/cache/dnf
 
 # ----------------------------------------------------------------------------