diff --git a/apps/backend/src/routes/post.ts b/apps/backend/src/routes/post.ts
index d17d926..e78317c 100644
--- a/apps/backend/src/routes/post.ts
+++ b/apps/backend/src/routes/post.ts
@@ -486,7 +486,7 @@ export default new Elysia({ prefix: "/post" })
                 if (savedCount > 0) {
                     await sendDiscordNotification({
                         title: tweetData.tweet.text?.substring(0, 100) || "Twitter Post",
-                        url: savedIds[0] ? `${config.base_url}/detail/${savedIds[0]}` : body.url,
+                        url: savedIds[0] ? `${config.server.base_url}/detail/${savedIds[0]}` : body.url,
                         author: body.author ? body.author : tweetData.tweet.author.name,
                         tags: normalizedTags,
                         imageUrl: media[0].url,