fix menu bug

config/config.js

@@ -50,12 +50,18 @@ export default {
       path: '/',
       component: '../layouts/BasicLayout',
       routes: [
+        { path: '/', redirect: '/welcome' },
         // dashboard
         {
-          path: '/',
-          name: 'dashboard',
-          icon: 'dashboard',
-          component: './BasicDemo',
+          path: '/welcome',
+          name: 'welcome',
+          icon: 'smile',
+          component: './Welcome',
+        },
+        {
+          path: 'https://github.com/umijs/umi-blocks/tree/master/ant-design-pro',
+          name: '更多页面',
+          icon: 'block',
         },
       ],
     },

src/pages/BasicDemo.js

-import React from 'react';
-
-export default () => <p>hello pro!</p>;

src/pages/Welcome.js

+import React from 'react';
+
+export default () => (
+  <p>
+    想要添加更多页面？请参考{' '}
+    <a href="https://umijs.org/guide/block.html" target="_blank" rel="noopener noreferrer">
+      umi 区块
+    </a>
+    。
+  </p>
+);