Change the default role to admin

src/utils/authority.js

 // use localStorage to store the authority info, which might be sent from server in actual project.
 export function getAuthority() {
-  return localStorage.getItem('antd-pro-authority') || 'guest';
+  return localStorage.getItem('antd-pro-authority') || 'admin';
 }
 
 export function setAuthority(authority) {