diff --git a/Dockerfile b/Dockerfile
index 7dbca9f..1e8df42 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -34,6 +34,9 @@ FROM python:3.12.2-slim
 ARG TARGETARCH
 ARG TARGETVARIANT
 
+# 使用中科大源加速
+RUN sed -i 's/deb.debian.org/mirrors.ustc.edu.cn/g' /etc/apt/sources.list.d/debian.sources
+
 ENV OJ_ENV production
 WORKDIR /app