diff --git a/src/components/Playground.jsx b/src/components/Playground.jsx
index 98c90a45..1096881f 100644
--- a/src/components/Playground.jsx
+++ b/src/components/Playground.jsx
@@ -267,8 +267,8 @@ export default function Playground() {
   }
 
   const [getFetcherCallFlag, setGetFetcherCallFlag] = useState(false)
-  const { data: tutoData, error, isLoading } = useSWR('http://localhost:3000/api/swr-tutorial', getFetcher)
-  const { trigger, isMutating } = useSWRMutation('http://localhost:3000/api/swr-tutorial', postFetcher)
+  const { data: tutoData, error, isLoading } = useSWR('http://localhost:8080/api/tutorial', getFetcher)
+  const { trigger, isMutating } = useSWRMutation('http://localhost:8080/api/tutorial', postFetcher)
 
   return (
     <>