diff --git a/.gitignore b/.gitignore
index 2c4b0df8..70a31913 100644
--- a/.gitignore
+++ b/.gitignore
@@ -195,5 +195,6 @@ pkg/**/*.html
 .vscode/
 
 *.tar.gz
+*.zstd
 web/.yarn/
 docs/.yarn/
diff --git a/README.md b/README.md
index 7f661623..3135e29e 100644
--- a/README.md
+++ b/README.md
@@ -21,11 +21,11 @@ The default username and password is: sigma/Admin@123, if you want to modify the
 
 ## Demo Server
 
-It runs on AWS ec2 (2C4G, Disk 40G), Linux distribution is Debian 12.1, Docker version 20.10.24. I will periodically reboot the container, and since the container doesn't have any disk mount, every reboot will clear all the data.
+It is deployed on an AWS EC2 instance (2C4G, 40G disk) running Debian 12.1 as the Linux distribution. The Docker version used is 25.0.3. The demo server was set up following these [instructions](https://github.com/go-sigma/demo-server).
 
 Visit: <https://sigma.tosone.cn>, username/password: sigma/Admin@123
 
-Status check here: [https://stats.uptimerobot.com/PoB1PhvAoR/796311885](https://stats.uptimerobot.com/PoB1PhvAoR/796311885)
+Status check here: [https://grafana.sigma.tosone.cn/public-dashboards/f6f5d4296c674e10b34cbe927dd565c5](https://grafana.sigma.tosone.cn/public-dashboards/f6f5d4296c674e10b34cbe927dd565c5)
 
 ## Architecture