diff --git a/setup.sh b/setup.sh
index ac6fca2..d7ead5d 100644
--- a/setup.sh
+++ b/setup.sh
@@ -9,6 +9,7 @@ echo "5. 配置防火墙"
 echo "6. 安装公钥"
 echo "7. 安装conda"
 echo "8. 安装rust"
+echo "9. 开启bbr"
 read -p "输入你的选择: " choices
 
 # 处理选择
@@ -108,6 +109,10 @@ for choice in $choices; do
         echo "安装rust"
         curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
         ;;
+    9)
+        echo "开启bbr..."
+        echo -e "net.core.default_qdisc=fq\nnet.ipv4.tcp_congestion_control=bbr" | tee -a /etc/sysctl.conf
+        sysctl -p
     *)
         echo "无效的选择: $choice"
         ;;