diff --git a/add-app/README.md b/add-app/README.md
index 21d12f3..dfc3ebb 100644
--- a/add-app/README.md
+++ b/add-app/README.md
@@ -3,6 +3,6 @@
 ```
 apt install sysv-rc-conf -y ;\
 wget https://mirrors.tuna.tsinghua.edu.cn/debian/pool/main/t/tuned/tuned_2.10.0-1_all.deb ;\
-apt install ./tuned_2.10.0-1_all.deb ;\
+apt install ./tuned_2.10.0-1_all.deb -y ;\
 systemctl enable tuned ; systemctl start tuned
 ```