diff --git a/Dockerfile b/Dockerfile
index 8a1478b..d4648e3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,9 +2,6 @@
 
 FROM docker.io/library/python:3.8.9
 
-RUN apt-get install -y unzip
-
-
 RUN sed -i 's/deb.debian.org/mirrors.ustc.edu.cn/g' /etc/apt/sources.list
 RUN sed -i 's|security.debian.org/debian-security|mirrors.ustc.edu.cn/debian-security|g' /etc/apt/sources.list