diff --git a/CNAME b/CNAME
new file mode 100644
index 00000000..e7333f67
--- /dev/null
+++ b/CNAME
@@ -0,0 +1 @@
+goguide.ryansu.tech
\ No newline at end of file
diff --git a/src/.vuepress/public/CNAME b/src/.vuepress/public/CNAME
new file mode 100644
index 00000000..e7333f67
--- /dev/null
+++ b/src/.vuepress/public/CNAME
@@ -0,0 +1 @@
+goguide.ryansu.tech
\ No newline at end of file
diff --git a/src/.vuepress/theme.ts b/src/.vuepress/theme.ts
index a8c9c885..4046c1b1 100644
--- a/src/.vuepress/theme.ts
+++ b/src/.vuepress/theme.ts
@@ -3,7 +3,7 @@ import { enNavbar, zhNavbar } from "./navbar/index.js";
 import { enSidebar, zhSidebar } from "./sidebar/index.js";
 
 export default hopeTheme({
-  hostname: "https://go-guide.ryansu.tech",
+  hostname: "https://goguide.ryansu.tech",
 
   author: {
     name: "Go Guide",