diff --git a/Dockerfile b/Dockerfile
index 7065f4a..8216072 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,10 +13,15 @@ RUN pip install -i https://pypi.tuna.tsinghua.edu.cn/simple pipenv
 # 安装依赖，同样使用临时的镜像源
 RUN pipenv install --deploy --ignore-pipfile -i https://pypi.tuna.tsinghua.edu.cn/simple
 
-# 设置清华大学镜像源以加速安装
-RUN sed -i 's/deb.debian.org/mirrors.tuna.tsinghua.edu.cn/g' /etc/apt/sources.list \
-    && sed -i 's/security.debian.org/mirrors.tuna.tsinghua.edu.cn/g' /etc/apt/sources.list \
-    && apt-get update && apt-get install -y wget
+# 使用清华大学镜像源临时安装 wget
+RUN apt-get update -o Dir::Etc::sourcelist="sources.list.d/temp.list" \
+    -o Dir::Etc::sourceparts="-" -o APT::Get::List-Cleanup="0" \
+    && echo "deb http://mirrors.tuna.tsinghua.edu.cn/debian/ buster main contrib non-free" > /etc/apt/sources.list.d/temp.list \
+    && echo "deb http://mirrors.tuna.tsinghua.edu.cn/debian/ buster-updates main contrib non-free" >> /etc/apt/sources.list.d/temp.list \
+    && echo "deb http://mirrors.tuna.tsinghua.edu.cn/debian/ buster-backports main contrib non-free" >> /etc/apt/sources.list.d/temp.list \
+    && echo "deb http://mirrors.tuna.tsinghua.edu.cn/debian-security buster/updates main contrib non-free" >> /etc/apt/sources.list.d/temp.list \
+    && apt-get update && apt-get install -y wget \
+    && rm -f /etc/apt/sources.list.d/temp.list && apt-get update
 
 # 拷贝应用代码
 COPY . /app