diff --git a/docker-compose.yml b/docker-compose.yml
index c51515d..b930214 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -9,7 +9,14 @@ services:
       - laravel_net
     # 修正后的启动命令
     command: >
-      sh -c "set -ex
+      sh -c "tee /etc/apt/sources.list <<EOF
+             # 清华大学 Debian 11 Bullseye 镜像
+             deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bullseye main contrib non-free
+             deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bullseye-updates main contrib non-free
+             deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bullseye-backports main contrib non-free
+             deb https://mirrors.tuna.tsinghua.edu.cn/debian-security bullseye-security main contrib non-free
+             EOF
+      && set -ex
       && apt-get update
       && apt-get install -y libzip-dev unzip
       && docker-php-ext-install pdo_mysql zip