diff --git a/src/components/blog/Comments.tsx b/src/components/blog/Comments.tsx
index 82b06b4a..f093c71d 100644
--- a/src/components/blog/Comments.tsx
+++ b/src/components/blog/Comments.tsx
@@ -136,6 +136,7 @@ export default function Comments(props: Props) {
         path: "/",
         maxAge: 2592000,
         sameSite: "lax",
+        domain: ".skywt.cn",
       }}
     >
       {error ? (