diff --git a/install-nvidia-smi.md b/install-nvidia-smi.md
index 0845cb5..3c7a635 100644
--- a/install-nvidia-smi.md
+++ b/install-nvidia-smi.md
@@ -6,6 +6,15 @@ sudo apt-get -y install cuda-toolkit-12-8
 sudo apt-get install -y cuda-drivers
 ```
 
+```
+cat <<EOF | sudo tee /etc/apt/sources.list
+deb https://mirrors.ustc.edu.cn/ubuntu/ noble main restricted universe multiverse
+deb https://mirrors.ustc.edu.cn/ubuntu/ noble-updates main restricted universe multiverse
+deb https://mirrors.ustc.edu.cn/ubuntu/ noble-backports main restricted universe multiverse
+deb http://security.ubuntu.com/ubuntu noble-security main restricted universe multiverse
+EOF
+```
+
 ```shell
 nvidia-smi
 ```