Fixing routes HMR errir

Author: wellyshen

src/client.js

@@ -42,7 +42,7 @@ if (module.hot) {
     try {
       const nextRoutes = require('./routes').default;
 
-      store.replaceReducer(nextRoutes);
+      render(nextRoutes);
     } catch (error) {
       console.error(`==> 😭  Routes hot reloading error ${error}`);
     }

src/components/UserList/index.js

@@ -11,6 +11,7 @@ type Props = { list: Array<Object> };
 export default ({ list }: Props) => (
   <div className={styles.UserList}>
     <h4>User List</h4>
+    123
     <ul>
       {list.map(({ id, name }) => (
         <li key={id}>