安装less

src/pages/error/index.tsx

@@ -0,0 +1,11 @@
+import React from "react";
+import styles from "./index.module.less";
+
+export const ErrorPage: React.FC<any> = () => {
+  return (
+    <div id="error-page">
+      <h1>Oops!</h1>
+      <p>路由不存在</p>
+    </div>
+  );
+};