Add main api

src/api/main.js

@@ -0,0 +1,12 @@
+import service from '@/utils/service'
+
+const mainApi = {}
+
+mainApi.version = () => {
+  return service({
+    url: 'version',
+    method: 'get'
+  })
+}
+
+export default mainApi

src/config/router.config.js

@@ -188,7 +188,6 @@ export const asyncRouterMap = [
             path: '/system/about',
             name: 'About',
             component: () => import('@/views/system/About'),
-            hidden: true,
             meta: { title: '关于 Halo', hiddenHeaderContent: false }
           }
         ]