diff --git a/next.config.js b/next.config.js
deleted file mode 100644
index c98cb2f..0000000
--- a/next.config.js
+++ /dev/null
@@ -1,5 +0,0 @@
-module.exports = {
-  webpack: (config, { buildId, dev, isServer, defaultLoaders, webpack }) => {
-    return config;
-  },
-};
diff --git a/pages/articles/[id].tsx b/pages/articles/[id].tsx
index 80c9568..24e8229 100644
--- a/pages/articles/[id].tsx
+++ b/pages/articles/[id].tsx
@@ -4,7 +4,7 @@ import { GetServerSideProps } from "next";
 import { addApolloState, initializeApollo } from "../../commons/graphql/client";
 import { ARTICLE } from "../../commons/graphql/queries";
 import { Article } from "../../commons/graphql/generated";
-import { format, formatRelative } from "date-fns";
+import { formatRelative } from "date-fns";
 import { zhCN } from "date-fns/locale";
 interface Props {
   article: Article;