fix: format

src/components/Board.js

@@ -32,4 +32,4 @@ const Board = (props) => {
   )
 }
 
-export default Board;
\ No newline at end of file
+export default Board;

src/components/Square.js

 import React from 'react';
 import { Button } from './style';
-// import './styles/square.css';
 
 const Square = (props) => {
   return (

src/routes/Game.js

 import React from 'react';
 import { connect } from 'dva';
 import Board from '../components/Board';
-import  style from './game.css';
+import style from './game.css';
 
 function calculateWinner(squares) {
   const lines = [