diff --git a/src/App.js b/src/App.js
index ca79191..4cc85e1 100644
--- a/src/App.js
+++ b/src/App.js
@@ -1,15 +1,15 @@
 import React from 'react';
-import { BrowserRouter as Router, Route, Redirect } from "react-router-dom";
+import { BrowserRouter as Router, Redirect, Route } from 'react-router-dom';
+import Navbar from './components/Navbar';
 import LeaderBoard from './view/LeaderBoard';
-import { DoudizhuReplayView, LeducHoldemReplayView } from './view/ReplayView';
 import { PvEDoudizhuDemoView } from './view/PvEView';
-import Navbar from "./components/Navbar";
+import { DoudizhuReplayView, LeducHoldemReplayView } from './view/ReplayView';
 
 const navbarSubtitleMap = {
-    "/leaderboard": "",
-    "/replay/doudizhu": "Doudizhu",
-    "/replay/leduc-holdem": "Leduc Hold'em",
-    "/pve/doudizhu-demo": "Doudizhu PvE Demo"
+    '/leaderboard': '',
+    '/replay/doudizhu': 'Doudizhu',
+    '/replay/leduc-holdem': "Leduc Hold'em",
+    '/pve/doudizhu-demo': 'Doudizhu PvE Demo',
 };
 
 function App() {
@@ -17,12 +17,11 @@ function App() {
 
     return (
         <Router>
-            <Navbar subtitleMap={navbarSubtitleMap}/>
-            <div style={{marginTop: '75px'}}>
+            <Navbar subtitleMap={navbarSubtitleMap} />
+            <div style={{ marginTop: '75px' }}>
                 <Route exact path="/">
-                    {/* for test use */}
-                    {/* <Redirect to="/leaderboard?type=game&name=leduc-holdem" /> */}
-                    <Redirect to="/pve/doudizhu-demo" />
+                    <Redirect to="/leaderboard?type=game&name=leduc-holdem" />
+                    {/* <Redirect to="/pve/doudizhu-demo" /> */}
                 </Route>
                 <Route path="/leaderboard" component={LeaderBoard} />
                 <Route path="/replay/doudizhu" component={DoudizhuReplayView} />
diff --git a/src/view/PvEView/PvEDoudizhuDemoView.js b/src/view/PvEView/PvEDoudizhuDemoView.js
index 49c772d..eccb8bd 100644
--- a/src/view/PvEView/PvEDoudizhuDemoView.js
+++ b/src/view/PvEView/PvEDoudizhuDemoView.js
@@ -77,9 +77,6 @@ function PvEDoudizhuDemoView() {
             .join('');
     };
 
-    // todo: generate inital player / hand states
-    // for test use
-
     function timeout(ms) {
         return new Promise((resolve) => setTimeout(resolve, ms));
     }