diff --git a/theme.toml b/theme.toml
index 5196dc8..002f2a0 100644
--- a/theme.toml
+++ b/theme.toml
@@ -6,6 +6,7 @@ license = "MIT"
 licenselink = "https://github.com/nanxiaobei/hugo-paper/blob/main/LICENSE"
 description = "A simple, clean, flexible Hugo theme"
 homepage = "https://github.com/nanxiaobei/hugo-paper/"
+demosite = "https://hugo-paper.vercel.app"
 tags = ["Responsive", "Simple", "Clean", "Light", "White", "Blog"]
 features = ["Responsive", "One Column", "Blog"]
 min_version = "0.57.1"