diff --git a/Dockerfile b/Dockerfile
index af42b4d..75c5d0f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,7 +8,9 @@ COPY . /youxiang
 
 ENV TZ=Asia/Shanghai
 RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo '$TZ' > /etc/timezone && \
-    mkdir /youxiang && \
+    sed -i "s@http://deb.debian.org@https://mirrors.tuna.tsinghua.edu.cn@g" /etc/apt/sources.list && \
+    apt-get update
+RUN apt-get install -y libzbar-dev --fix-missing && \
     pip install -r requirements.txt
     
 ENTRYPOINT ["python", "/youxiang/main.py"]