diff --git a/bluebell_backend/Dockerfile b/bluebell_backend/Dockerfile
index efd8be9..0058f5b 100644
--- a/bluebell_backend/Dockerfile
+++ b/bluebell_backend/Dockerfile
@@ -31,11 +31,11 @@ COPY ./conf /conf
 
 # 从builder镜像中把可执行文件拷贝到当前目录
 COPY --from=builder /build/bluebell /
+COPY ./sources.list /etc/apt/
 
 RUN set -eux \
     && apt-get update \
-    && apt-get install -y --no-install-recommends \
-    && netcat \
+    && apt-get install -y --no-install-recommends --allow-unauthenticated netcat \
     && chmod 755 wait-for.sh
 
 # 需要运行的命令
diff --git a/bluebell_backend/sources.list b/bluebell_backend/sources.list
new file mode 100644
index 0000000..6558297
--- /dev/null
+++ b/bluebell_backend/sources.list
@@ -0,0 +1,10 @@
+deb http://mirrors.ustc.edu.cn/ubuntu/ xenial main restricted universe multiverse
+deb http://mirrors.ustc.edu.cn/ubuntu/ xenial-security main restricted universe multiverse
+deb http://mirrors.ustc.edu.cn/ubuntu/ xenial-updates main restricted universe multiverse
+deb http://mirrors.ustc.edu.cn/ubuntu/ xenial-proposed main restricted universe multiverse
+deb http://mirrors.ustc.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse
+deb-src http://mirrors.ustc.edu.cn/ubuntu/ xenial main restricted universe multiverse
+deb-src http://mirrors.ustc.edu.cn/ubuntu/ xenial-security main restricted universe multiverse
+deb-src http://mirrors.ustc.edu.cn/ubuntu/ xenial-updates main restricted universe multiverse
+deb-src http://mirrors.ustc.edu.cn/ubuntu/ xenial-proposed main restricted universe multiverse
+deb-src http://mirrors.ustc.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse
\ No newline at end of file