diff --git a/Dockerfile b/Dockerfile
index 821a8e55d8c0ca37b7e21aa28bdd4b7a41f6b223..556eded196ce33eddce7490c55d6e44d1e28a7fe 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -20,7 +20,7 @@ RUN  echo "deb http://mirrors.aliyun.com/ubuntu/ focal main restricted universe
     && apt-get clean && rm -rf /var/lib/apt/lists/* 
 
 
-RUN curl -s https://install.zerotier.com | bash \
+RUN curl https://install.zerotier.com/ | sed 's,download.zerotier.com/,mirrors.sustech.edu.cn/zerotier/,g' | bash \
     && cd /opt && git clone -v https://gitee.com/OnlyVersion/ztncui.git --depth 1 \
     && cd /opt && git clone -v https://gitee.com/OnlyVersion/ZeroTierOne.git --depth 1 \
     && cd /opt/ztncui/src \