diff --git a/bin/auto_install.sh b/bin/auto_install.sh
index 4861d91..218671a 100644
--- a/bin/auto_install.sh
+++ b/bin/auto_install.sh
@@ -1,16 +1,18 @@
 #!/bin/bash
 #wget -O- -q --show-progress https://git.nps.crabapples.cn/crabapples/learn-spider/raw/branch/main/bin/auto_install.sh | bash
+
+GIT_DOMAIN=https://git.nps.crabapples.cn
 echo "清理旧脚本..."
 rm -rf ./install.sh ./start.sh ./update.sh ./uninstall.sh
 echo "开始下载..."
 echo "下载安装脚本..."
-wget -q --show-progress https://git.nps.crabapples.cn/crabapples/learn-spider/raw/branch/main/bin/install.sh && chmod +x install.sh
+wget -q --show-progress $GIT_DOMAIN/crabapples/learn-spider/raw/branch/main/bin/install.sh && chmod +x install.sh
 echo "下载启动脚本..."
-wget -q --show-progress https://git.nps.crabapples.cn/crabapples/learn-spider/raw/branch/main/bin/start.sh && chmod +x start.sh
+wget -q --show-progress $GIT_DOMAIN/crabapples/learn-spider/raw/branch/main/bin/start.sh && chmod +x start.sh
 echo "下载更新脚本..."
-wget -q --show-progress https://git.nps.crabapples.cn/crabapples/learn-spider/raw/branch/main/bin/update.sh && chmod +x update.sh
+wget -q --show-progress $GIT_DOMAIN/crabapples/learn-spider/raw/branch/main/bin/update.sh && chmod +x update.sh
 echo "下载卸载脚本..."
-wget -q --show-progress https://git.nps.crabapples.cn/crabapples/learn-spider/raw/branch/main/bin/uninstall.sh && chmod +x uninstall.sh
+wget -q --show-progress $GIT_DOMAIN/crabapples/learn-spider/raw/branch/main/bin/uninstall.sh && chmod +x uninstall.sh
 echo "下载完成"
 echo "开始安装..."
 
@@ -18,9 +20,9 @@ USER_COUNT=10
 # 公共的工作目录
 PUBLIC_DIR="/shared"
 # git仓库加速地址
-GIT_NO_VNC="https://git.nps.crabapples.cn/crabapples/noVNC.git"
-GIT_WEBSOCKIFY="https://git.nps.crabapples.cn/crabapples/websockify.git"
-GIT_PY_SPIDER="https://git.nps.crabapples.cn/crabapples/learn-spider.git"
+GIT_NO_VNC="$GIT_DOMAIN/crabapples/noVNC.git"
+GIT_WEBSOCKIFY="$GIT_DOMAIN/crabapples/websockify.git"
+GIT_PY_SPIDER="$GIT_DOMAIN/crabapples/learn-spider.git"
 
 ./install.sh $USER_COUNT $PUBLIC_DIR $GIT_NO_VNC $GIT_WEBSOCKIFY $GIT_PY_SPIDER
 echo "安装完成"